#include "configeditorwidget.h"

#include "robotclient.h"
#include "uiicons.h"

#include "cmvr/config/device_manager_config/device_manager_config.pb.h"
#include "cmvr/config/task_manager_config/task_manager_config.pb.h"

#include <google/protobuf/descriptor.h>
#include <google/protobuf/dynamic_message.h>
#include <google/protobuf/message.h>
#include <google/protobuf/reflection.h>
#include <google/protobuf/text_format.h>

#include <QCheckBox>
#include <QComboBox>
#include <QDateTime>
#include <QDir>
#include <QFormLayout>
#include <QFrame>
#include <QFontDatabase>
#include <QGridLayout>
#include <QHBoxLayout>
#include <QHeaderView>
#include <QLabel>
#include <QLineEdit>
#include <QListWidget>
#include <QMessageBox>
#include <QMouseEvent>
#include <QPlainTextEdit>
#include <QPushButton>
#include <QRegularExpression>
#include <QScrollArea>
#include <QSettings>
#include <QSet>
#include <QSignalBlocker>
#include <QSpinBox>
#include <QSplitter>
#include <QTabWidget>
#include <QTableWidget>
#include <QTimer>
#include <QToolButton>
#include <QTextCursor>
#include <QTreeWidget>
#include <QTreeWidgetItem>
#include <QUuid>
#include <QVBoxLayout>

#include <algorithm>
#include <cstdint>
#include <functional>
#include <utility>

namespace {
constexpr int kPathRole = Qt::UserRole;
constexpr int kMessageRole = Qt::UserRole + 1;
constexpr int kFieldRole = Qt::UserRole + 2;
constexpr int kIndexRole = Qt::UserRole + 3;
constexpr int kPreviousValueRole = Qt::UserRole + 4;

struct DevicePresentation {
    QString name;
    QString icon;
    QString accent;
};

QString scalarValue(const google::protobuf::Message *message,
                    const google::protobuf::FieldDescriptor *field, int index);

class DeviceCardFrame final : public QFrame
{
public:
    using QFrame::QFrame;
    std::function<void()> activated;

protected:
    void mouseReleaseEvent(QMouseEvent *event) override
    {
        QFrame::mouseReleaseEvent(event);
        if (event->button() == Qt::LeftButton && rect().contains(event->pos()) && activated)
            activated();
    }
};

int managerTypeForApiType(int type)
{
    switch (type) {
    case 0: return 17;
    case 2: return 13;
    case 3: return 14;
    case 5: return 15;
    case 6: return 12;
    case 7: return 16;
    case 8: return 8;
    case 10: return 9;
    case 11: return 18;
    case 12: return 19;
    default: return 0;
    }
}

int apiTypeForManagerType(int type)
{
    switch (type) {
    case 17: return 0;
    case 13: return 2;
    case 14: return 3;
    case 15: return 5;
    case 12: return 6;
    case 16: return 7;
    case 8: return 8;
    case 9: return 10;
    case 18: return 11;
    case 19: return 12;
    default: return 20;
    }
}

QString defaultMessageTypeForManagerType(int type)
{
    switch (type) {
    case 17: return QStringLiteral("cmvr.config.AGVRootConfig");
    case 12: return QStringLiteral("cmvr.config.ArmRootConfig");
    case 13: return QStringLiteral("cmvr.config.CameraRootConfig");
    case 14: return QStringLiteral("cmvr.config.DexHandRootConfig");
    case 15: return QStringLiteral("cmvr.config.MicroPhoneRootConfig");
    case 16: return QStringLiteral("cmvr.config.SpeakerRootConfig");
    case 8: return QStringLiteral("cmvr.config.BioHeadRobotRootConfig");
    default: return QString();
    }
}

QString typeFolderForManagerType(int type)
{
    switch (type) {
    case 17: return QStringLiteral("agv");
    case 12: return QStringLiteral("arm");
    case 13: return QStringLiteral("camera");
    case 14: return QStringLiteral("dexhand");
    case 15: return QStringLiteral("microphone");
    case 16: return QStringLiteral("speaker");
    case 8: return QStringLiteral("biohead");
    default: return QString();
    }
}

std::unique_ptr<google::protobuf::Message> createMessage(const QString &messageType,
                                                          const QString &content,
                                                          QString *error = nullptr)
{
    const auto *descriptor = google::protobuf::DescriptorPool::generated_pool()
        ->FindMessageTypeByName(messageType.toStdString());
    if (!descriptor) {
        if (error)
            *error = QStringLiteral("本机未注册配置消息类型 %1").arg(messageType);
        return {};
    }
    const auto *prototype = google::protobuf::MessageFactory::generated_factory()
        ->GetPrototype(descriptor);
    if (!prototype) {
        if (error)
            *error = QStringLiteral("无法创建配置消息 %1").arg(messageType);
        return {};
    }
    std::unique_ptr<google::protobuf::Message> message(prototype->New());
    if (!content.trimmed().isEmpty()
        && !google::protobuf::TextFormat::ParseFromString(content.toStdString(), message.get())) {
        if (error)
            *error = QStringLiteral("配置内容与 %1 不兼容").arg(messageType);
        return {};
    }
    return message;
}

google::protobuf::Message *deviceEntry(google::protobuf::Message *root,
                                       const QString &deviceId, bool create)
{
    if (!root)
        return nullptr;
    const auto *rootDescriptor = root->GetDescriptor();
    const auto *rootReflection = root->GetReflection();
    const google::protobuf::FieldDescriptor *rootField = nullptr;
    for (int index = 0; index < rootDescriptor->field_count(); ++index) {
        if (rootDescriptor->field(index)->cpp_type()
            == google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE) {
            rootField = rootDescriptor->field(index);
            break;
        }
    }
    if (!rootField)
        return nullptr;
    auto *container = rootReflection->MutableMessage(root, rootField);
    const auto *containerDescriptor = container->GetDescriptor();
    const auto *containerReflection = container->GetReflection();
    const google::protobuf::FieldDescriptor *listField = nullptr;
    for (int index = 0; index < containerDescriptor->field_count(); ++index) {
        const auto *field = containerDescriptor->field(index);
        if (field->is_repeated()
            && field->cpp_type() == google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE) {
            listField = field;
            break;
        }
    }
    if (!listField)
        return container;

    const int count = containerReflection->FieldSize(*container, listField);
    for (int index = 0; index < count; ++index) {
        auto *entry = containerReflection->MutableRepeatedMessage(container, listField, index);
        const auto *idField = entry->GetDescriptor()->FindFieldByName("id");
        if (idField && QString::fromStdString(entry->GetReflection()->GetString(*entry, idField))
                == deviceId)
            return entry;
    }
    return create ? containerReflection->AddMessage(container, listField) : nullptr;
}

void removeDeviceEntries(google::protobuf::Message *root, const QSet<QString> &deviceIds)
{
    if (!root || deviceIds.isEmpty())
        return;
    const auto *rootField = root->GetDescriptor()->field_count() > 0
        ? root->GetDescriptor()->field(0) : nullptr;
    if (!rootField || rootField->cpp_type()
        != google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE)
        return;
    auto *container = root->GetReflection()->MutableMessage(root, rootField);
    const google::protobuf::FieldDescriptor *listField = nullptr;
    for (int index = 0; index < container->GetDescriptor()->field_count(); ++index) {
        const auto *field = container->GetDescriptor()->field(index);
        if (field->is_repeated()
            && field->cpp_type() == google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE) {
            listField = field;
            break;
        }
    }
    if (!listField)
        return;
    const auto *reflection = container->GetReflection();
    for (int index = reflection->FieldSize(*container, listField) - 1; index >= 0; --index) {
        const auto &entry = reflection->GetRepeatedMessage(*container, listField, index);
        const auto *idField = entry.GetDescriptor()->FindFieldByName("id");
        if (!idField)
            continue;
        const QString id = QString::fromStdString(entry.GetReflection()->GetString(entry, idField));
        if (!deviceIds.contains(id))
            continue;
        const int last = reflection->FieldSize(*container, listField) - 1;
        if (index != last)
            reflection->SwapElements(container, listField, index, last);
        reflection->RemoveLast(container, listField);
    }
}

google::protobuf::Message *selectBackend(google::protobuf::Message *entry,
                                         const QString &backendName, int brandNumber)
{
    if (!entry)
        return nullptr;
    const auto *oneof = entry->GetDescriptor()->FindOneofByName("backend");
    if (!oneof)
        return entry;
    const auto *field = entry->GetDescriptor()->FindFieldByName(backendName.toStdString());
    if (!field || field->containing_oneof() != oneof)
        return nullptr;
    auto *backend = entry->GetReflection()->MutableMessage(entry, field);
    if (brandNumber >= 0) {
        const auto *brandField = backend->GetDescriptor()->FindFieldByName("brand");
        if (brandField && brandField->cpp_type()
            == google::protobuf::FieldDescriptor::CPPTYPE_ENUM) {
            if (const auto *brand = brandField->enum_type()->FindValueByNumber(brandNumber))
                backend->GetReflection()->SetEnum(backend, brandField, brand);
        }
    }
    return backend;
}

void appendParameterRows(google::protobuf::Message *message, const QString &prefix,
                         QVariantList *rows)
{
    if (!message || !rows)
        return;
    const auto *descriptor = message->GetDescriptor();
    const auto *reflection = message->GetReflection();
    using Field = google::protobuf::FieldDescriptor;
    for (int fieldIndex = 0; fieldIndex < descriptor->field_count(); ++fieldIndex) {
        const auto *field = descriptor->field(fieldIndex);
        if (field->name() == "id")
            continue;
        if (field->containing_oneof()) {
            const auto *active = reflection->GetOneofFieldDescriptor(
                *message, field->containing_oneof());
            if (active != field)
                continue;
        }
        const QString fieldName = QString::fromStdString(field->name());
        const QString path = prefix.isEmpty() ? fieldName : prefix + QLatin1Char('.') + fieldName;
        if (field->cpp_type() == Field::CPPTYPE_MESSAGE) {
            if (field->is_repeated()) {
                const int count = reflection->FieldSize(*message, field);
                for (int index = 0; index < count; ++index)
                    appendParameterRows(reflection->MutableRepeatedMessage(message, field, index),
                                        path + QStringLiteral("[%1]").arg(index), rows);
            } else {
                if (!reflection->HasField(*message, field))
                    continue;
                appendParameterRows(reflection->MutableMessage(message, field), path, rows);
            }
            continue;
        }
        const int count = field->is_repeated() ? reflection->FieldSize(*message, field) : 1;
        const int rowCount = std::max(count, 1);
        for (int index = 0; index < rowCount; ++index) {
            QVariantMap row;
            row.insert(QStringLiteral("path"), field->is_repeated()
                ? path + QStringLiteral("[%1]").arg(index) : path);
            row.insert(QStringLiteral("label"), row.value(QStringLiteral("path"), path));
            row.insert(QStringLiteral("value"), count == 0 ? QString()
                : scalarValue(message, field, field->is_repeated() ? index : -1));
            row.insert(QStringLiteral("type"), static_cast<int>(field->cpp_type()));
            row.insert(QStringLiteral("secret"), fieldName.contains(QStringLiteral("password"),
                                                                      Qt::CaseInsensitive));
            if (field->cpp_type() == Field::CPPTYPE_ENUM) {
                QVariantList values;
                for (int enumIndex = 0; enumIndex < field->enum_type()->value_count(); ++enumIndex)
                    values.append(QString::fromStdString(field->enum_type()->value(enumIndex)->name()));
                row.insert(QStringLiteral("options"), values);
            }
            rows->append(row);
        }
    }
}

bool setScalarField(google::protobuf::Message *message,
                    const google::protobuf::FieldDescriptor *field,
                    int repeatedIndex, const QString &text)
{
    if (!message || !field)
        return false;
    auto *reflection = message->GetReflection();
    const bool repeated = field->is_repeated();
    while (repeated && reflection->FieldSize(*message, field) <= repeatedIndex) {
        using Field = google::protobuf::FieldDescriptor;
        switch (field->cpp_type()) {
        case Field::CPPTYPE_BOOL: reflection->AddBool(message, field, false); break;
        case Field::CPPTYPE_INT32: reflection->AddInt32(message, field, 0); break;
        case Field::CPPTYPE_INT64: reflection->AddInt64(message, field, 0); break;
        case Field::CPPTYPE_UINT32: reflection->AddUInt32(message, field, 0); break;
        case Field::CPPTYPE_UINT64: reflection->AddUInt64(message, field, 0); break;
        case Field::CPPTYPE_FLOAT: reflection->AddFloat(message, field, 0); break;
        case Field::CPPTYPE_DOUBLE: reflection->AddDouble(message, field, 0); break;
        case Field::CPPTYPE_STRING: reflection->AddString(message, field, std::string()); break;
        case Field::CPPTYPE_ENUM: reflection->AddEnum(message, field, field->enum_type()->value(0)); break;
        case Field::CPPTYPE_MESSAGE: return false;
        }
    }
    bool ok = true;
    using Field = google::protobuf::FieldDescriptor;
    switch (field->cpp_type()) {
    case Field::CPPTYPE_BOOL: {
        const bool value = text.compare(QStringLiteral("true"), Qt::CaseInsensitive) == 0
            || text == QStringLiteral("1");
        repeated ? reflection->SetRepeatedBool(message, field, repeatedIndex, value)
                 : reflection->SetBool(message, field, value);
        break;
    }
    case Field::CPPTYPE_INT32: {
        const int value = text.toInt(&ok);
        if (ok) repeated ? reflection->SetRepeatedInt32(message, field, repeatedIndex, value)
                         : reflection->SetInt32(message, field, value);
        break;
    }
    case Field::CPPTYPE_INT64: {
        const qlonglong value = text.toLongLong(&ok);
        if (ok) repeated ? reflection->SetRepeatedInt64(message, field, repeatedIndex, value)
                         : reflection->SetInt64(message, field, value);
        break;
    }
    case Field::CPPTYPE_UINT32: {
        const uint value = text.toUInt(&ok);
        if (ok) repeated ? reflection->SetRepeatedUInt32(message, field, repeatedIndex, value)
                         : reflection->SetUInt32(message, field, value);
        break;
    }
    case Field::CPPTYPE_UINT64: {
        const qulonglong value = text.toULongLong(&ok);
        if (ok) repeated ? reflection->SetRepeatedUInt64(message, field, repeatedIndex, value)
                         : reflection->SetUInt64(message, field, value);
        break;
    }
    case Field::CPPTYPE_FLOAT: {
        const float value = text.toFloat(&ok);
        if (ok) repeated ? reflection->SetRepeatedFloat(message, field, repeatedIndex, value)
                         : reflection->SetFloat(message, field, value);
        break;
    }
    case Field::CPPTYPE_DOUBLE: {
        const double value = text.toDouble(&ok);
        if (ok) repeated ? reflection->SetRepeatedDouble(message, field, repeatedIndex, value)
                         : reflection->SetDouble(message, field, value);
        break;
    }
    case Field::CPPTYPE_STRING:
        repeated ? reflection->SetRepeatedString(message, field, repeatedIndex, text.toStdString())
                 : reflection->SetString(message, field, text.toStdString());
        break;
    case Field::CPPTYPE_ENUM: {
        const auto *value = field->enum_type()->FindValueByName(text.toStdString());
        ok = value != nullptr;
        if (ok) repeated ? reflection->SetRepeatedEnum(message, field, repeatedIndex, value)
                         : reflection->SetEnum(message, field, value);
        break;
    }
    case Field::CPPTYPE_MESSAGE:
        return false;
    }
    return ok;
}

bool setParameterValue(google::protobuf::Message *message, const QString &path,
                       const QString &value)
{
    if (!message || path.isEmpty())
        return false;
    const QString head = path.section(QLatin1Char('.'), 0, 0);
    const QString tail = path.section(QLatin1Char('.'), 1);
    static const QRegularExpression indexedPattern(
        QStringLiteral("^([A-Za-z_][A-Za-z0-9_]*)(?:\\[(\\d+)\\])?$"));
    const auto match = indexedPattern.match(head);
    if (!match.hasMatch())
        return false;
    const QString name = match.captured(1);
    const int index = match.captured(2).isEmpty() ? -1 : match.captured(2).toInt();
    const auto *field = message->GetDescriptor()->FindFieldByName(name.toStdString());
    if (!field)
        return false;
    if (tail.isEmpty())
        return setScalarField(message, field, index, value);
    if (field->cpp_type() != google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE)
        return false;
    auto *reflection = message->GetReflection();
    google::protobuf::Message *child = nullptr;
    if (field->is_repeated()) {
        if (index < 0 || index >= reflection->FieldSize(*message, field))
            return false;
        child = reflection->MutableRepeatedMessage(message, field, index);
    } else {
        child = reflection->MutableMessage(message, field);
    }
    return setParameterValue(child, tail, value);
}

QString printMessage(const google::protobuf::Message &message)
{
    std::string output;
    google::protobuf::TextFormat::Printer printer;
    printer.SetUseUtf8StringEscaping(true);
    if (!printer.PrintToString(message, &output))
        return QString();
    return QString::fromStdString(output);
}

DevicePresentation presentationForDeviceType(int type)
{
    switch (type) {
    case 0:
        return {QStringLiteral("AGV"), QStringLiteral(":/icons/move.svg"),
                QStringLiteral("#7c5ce7")};
    case 1:
        return {QStringLiteral("电池"), QStringLiteral(":/icons/activity.svg"),
                QStringLiteral("#d98b21")};
    case 2:
        return {QStringLiteral("相机"), QStringLiteral(":/icons/camera.svg"),
                QStringLiteral("#2479d8")};
    case 3:
        return {QStringLiteral("灵巧手"), QStringLiteral(":/icons/hand.svg"),
                QStringLiteral("#a554c7")};
    case 4:
        return {QStringLiteral("夹爪"), QStringLiteral(":/icons/hand.svg"),
                QStringLiteral("#bd5f8a")};
    case 5:
        return {QStringLiteral("麦克风"), QStringLiteral(":/icons/mic.svg"),
                QStringLiteral("#168aa2")};
    case 6:
        return {QStringLiteral("机械臂"), QStringLiteral(":/icons/bot.svg"),
                QStringLiteral("#e26c2d")};
    case 7:
        return {QStringLiteral("扬声器"), QStringLiteral(":/icons/volume-2.svg"),
                QStringLiteral("#1c9a68")};
    case 8:
        return {QStringLiteral("仿生头"), QStringLiteral(":/icons/scan-face.svg"),
                QStringLiteral("#d05e8d")};
    case 9:
        return {QStringLiteral("电机"), QStringLiteral(":/icons/activity.svg"),
                QStringLiteral("#b36b26")};
    case 10:
        return {QStringLiteral("电机系统"), QStringLiteral(":/icons/activity.svg"),
                QStringLiteral("#a55b24")};
    case 11:
        return {QStringLiteral("MuJoCo 世界"), QStringLiteral(":/icons/braces.svg"),
                QStringLiteral("#596f8f")};
    case 12:
        return {QStringLiteral("MuJoCo 查看器"), QStringLiteral(":/icons/braces.svg"),
                QStringLiteral("#61799a")};
    case 13:
        return {QStringLiteral("CAN 总线"), QStringLiteral(":/icons/activity.svg"),
                QStringLiteral("#596b78")};
    default:
        return {QStringLiteral("未知设备"), QStringLiteral(":/icons/braces.svg"),
                QStringLiteral("#6f7b87")};
    }
}

DevicePresentation presentationForManagerType(int managerType, int apiType)
{
    if (managerType == 8)
        return {QStringLiteral("仿生头"), QStringLiteral(":/icons/scan-face.svg"),
                QStringLiteral("#d05e8d")};
    return presentationForDeviceType(apiType);
}

QTableWidgetItem *readOnlyItem(const QString &text)
{
    auto *item = new QTableWidgetItem(text);
    item->setFlags(item->flags() & ~Qt::ItemIsEditable);
    return item;
}

quintptr pointerValue(const QVariant &value)
{
    return static_cast<quintptr>(value.toULongLong());
}

QString fieldTypeName(const google::protobuf::FieldDescriptor *field)
{
    using Field = google::protobuf::FieldDescriptor;
    if (field->is_repeated()) {
        if (field->cpp_type() == Field::CPPTYPE_MESSAGE)
            return QStringLiteral("message[]");
        return QString::fromLatin1(field->type_name()) + QStringLiteral("[]");
    }
    return QString::fromLatin1(field->type_name());
}

QString enumValueName(const google::protobuf::EnumValueDescriptor *value)
{
    return value ? QString::fromStdString(value->name()) : QString();
}

QString scalarValue(const google::protobuf::Message *message,
                   const google::protobuf::FieldDescriptor *field,
                   int index)
{
    const auto *reflection = message->GetReflection();
    const bool repeated = field->is_repeated();
    using Field = google::protobuf::FieldDescriptor;
    switch (field->cpp_type()) {
    case Field::CPPTYPE_BOOL:
        return (repeated ? reflection->GetRepeatedBool(*message, field, index)
                         : reflection->GetBool(*message, field))
            ? QStringLiteral("true") : QStringLiteral("false");
    case Field::CPPTYPE_INT32:
        return QString::number(repeated ? reflection->GetRepeatedInt32(*message, field, index)
                                        : reflection->GetInt32(*message, field));
    case Field::CPPTYPE_INT64:
        return QString::number(static_cast<qlonglong>(
            repeated ? reflection->GetRepeatedInt64(*message, field, index)
                     : reflection->GetInt64(*message, field)));
    case Field::CPPTYPE_UINT32:
        return QString::number(repeated ? reflection->GetRepeatedUInt32(*message, field, index)
                                        : reflection->GetUInt32(*message, field));
    case Field::CPPTYPE_UINT64:
        return QString::number(static_cast<qulonglong>(
            repeated ? reflection->GetRepeatedUInt64(*message, field, index)
                     : reflection->GetUInt64(*message, field)));
    case Field::CPPTYPE_FLOAT:
        return QString::number(repeated ? reflection->GetRepeatedFloat(*message, field, index)
                                        : reflection->GetFloat(*message, field), 'g', 9);
    case Field::CPPTYPE_DOUBLE:
        return QString::number(repeated ? reflection->GetRepeatedDouble(*message, field, index)
                                        : reflection->GetDouble(*message, field), 'g', 17);
    case Field::CPPTYPE_STRING:
        return QString::fromUtf8((repeated ? reflection->GetRepeatedString(*message, field, index)
                                           : reflection->GetString(*message, field)).data());
    case Field::CPPTYPE_ENUM: {
        const auto *value = repeated
            ? reflection->GetRepeatedEnum(*message, field, index)
            : reflection->GetEnum(*message, field);
        return enumValueName(value);
    }
    case Field::CPPTYPE_MESSAGE:
        break;
    }
    return QString();
}

void setItemMetadata(QTreeWidgetItem *item, google::protobuf::Message *message,
                     const google::protobuf::FieldDescriptor *field, int index,
                     const QString &value)
{
    item->setData(1, kMessageRole,
                  QVariant::fromValue<qulonglong>(reinterpret_cast<quintptr>(message)));
    item->setData(1, kFieldRole,
                  QVariant::fromValue<qulonglong>(reinterpret_cast<quintptr>(field)));
    item->setData(1, kIndexRole, index);
    item->setData(1, kPreviousValueRole, value);
}
}

ConfigEditorWidget::~ConfigEditorWidget() = default;

ConfigEditorWidget::ConfigEditorWidget(RobotClient *client, QWidget *parent)
    : QWidget(parent), m_client(client)
{
    auto *layout = new QVBoxLayout(this);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->setSpacing(0);

    auto *pageTabs = new QTabWidget(this);
    pageTabs->setObjectName(QStringLiteral("deviceManagementTabs"));
    pageTabs->setDocumentMode(true);

    auto *overviewScroll = new QScrollArea(pageTabs);
    overviewScroll->setObjectName(QStringLiteral("deviceOverviewScroll"));
    overviewScroll->setWidgetResizable(true);
    overviewScroll->setFrameShape(QFrame::NoFrame);
    auto *overviewPage = new QWidget(overviewScroll);
    overviewPage->setObjectName(QStringLiteral("deviceOverviewPage"));
    auto *overviewLayout = new QVBoxLayout(overviewPage);
    overviewLayout->setContentsMargins(24, 18, 24, 24);
    overviewLayout->setSpacing(14);

    auto *hero = new QFrame(overviewPage);
    hero->setObjectName(QStringLiteral("deviceOverviewHero"));
    auto *heroLayout = new QHBoxLayout(hero);
    heroLayout->setContentsMargins(22, 18, 22, 18);
    heroLayout->setSpacing(18);
    auto *heroTextLayout = new QVBoxLayout;
    heroTextLayout->setSpacing(5);
    auto *heroEyebrow = new QLabel(QStringLiteral("gRPC · SYSTEM SERVICE"), hero);
    heroEyebrow->setObjectName(QStringLiteral("deviceHeroEyebrow"));
    auto *heroTitle = new QLabel(QStringLiteral("边缘端设备中心"), hero);
    heroTitle->setObjectName(QStringLiteral("deviceHeroTitle"));
    auto *heroDescription = new QLabel(
        QStringLiteral("自动发现 cmvr-es 注册的在线设备，并在同一入口管理远端配置。"), hero);
    heroDescription->setObjectName(QStringLiteral("deviceHeroDescription"));
    heroDescription->setWordWrap(true);
    m_edgeSystemLabel = new QLabel(QStringLiteral("等待获取边缘端系统信息"), hero);
    m_edgeSystemLabel->setObjectName(QStringLiteral("deviceSystemIdentity"));
    heroTextLayout->addWidget(heroEyebrow);
    heroTextLayout->addWidget(heroTitle);
    heroTextLayout->addWidget(heroDescription);
    heroTextLayout->addWidget(m_edgeSystemLabel);
    heroLayout->addLayout(heroTextLayout, 1);

    auto *heroActions = new QVBoxLayout;
    heroActions->setSpacing(10);
    heroActions->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
    m_edgeConnectionChip = new QLabel(QStringLiteral("●  边缘端未连接"), hero);
    m_edgeConnectionChip->setObjectName(QStringLiteral("edgeConnectionChip"));
    m_edgeConnectionChip->setProperty("connected", false);
    m_edgeConnectionChip->setAlignment(Qt::AlignCenter);
    m_deviceRefreshButton = new QPushButton(QStringLiteral("刷新设备"), hero);
    m_deviceRefreshButton->setObjectName(QStringLiteral("deviceRefreshButton"));
    m_deviceRefreshButton->setIcon(UiIcons::icon(QStringLiteral(":/icons/rotate-ccw.svg")));
    m_deviceRefreshButton->setEnabled(false);
    heroActions->addWidget(m_edgeConnectionChip);
    heroActions->addWidget(m_deviceRefreshButton);
    heroLayout->addLayout(heroActions);
    overviewLayout->addWidget(hero);

    auto *metricsLayout = new QHBoxLayout;
    metricsLayout->setSpacing(12);
    const auto addMetricCard = [metricsLayout, overviewPage](const QString &label,
                                                             const QString &value,
                                                             const QString &note,
                                                             const QString &accent,
                                                             QLabel **valueLabel) {
        auto *card = new QFrame(overviewPage);
        card->setObjectName(QStringLiteral("deviceMetricCard"));
        card->setProperty("accent", accent);
        auto *cardLayout = new QVBoxLayout(card);
        cardLayout->setContentsMargins(16, 13, 16, 13);
        cardLayout->setSpacing(3);
        auto *labelWidget = new QLabel(label, card);
        labelWidget->setObjectName(QStringLiteral("deviceMetricLabel"));
        auto *valueWidget = new QLabel(value, card);
        valueWidget->setObjectName(QStringLiteral("deviceMetricValue"));
        auto *noteWidget = new QLabel(note, card);
        noteWidget->setObjectName(QStringLiteral("deviceMetricNote"));
        cardLayout->addWidget(labelWidget);
        cardLayout->addWidget(valueWidget);
        cardLayout->addWidget(noteWidget);
        metricsLayout->addWidget(card, 1);
        *valueLabel = valueWidget;
    };
    addMetricCard(QStringLiteral("在线设备"), QStringLiteral("--"),
                  QStringLiteral("GetSystemStatus 实时返回"), QStringLiteral("green"),
                  &m_onlineDeviceValue);
    addMetricCard(QStringLiteral("设备类型"), QStringLiteral("--"),
                  QStringLiteral("按 DeviceType 自动归类"), QStringLiteral("blue"),
                  &m_deviceTypeValue);
    addMetricCard(QStringLiteral("最近同步"), QStringLiteral("--:--:--"),
                  QStringLiteral("在线状态每秒自动更新"), QStringLiteral("orange"),
                  &m_lastSyncValue);
    overviewLayout->addLayout(metricsLayout);

    auto *deviceHeader = new QHBoxLayout;
    deviceHeader->setContentsMargins(2, 4, 2, 0);
    auto *deviceHeaderText = new QVBoxLayout;
    deviceHeaderText->setSpacing(2);
    m_deviceSectionTitle = new QLabel(QStringLiteral("在线设备"), overviewPage);
    m_deviceSectionTitle->setObjectName(QStringLiteral("deviceSectionTitle"));
    m_deviceSectionHint = new QLabel(
        QStringLiteral("设备 ID 与类型由边缘端 DeviceManager 注册信息生成"), overviewPage);
    m_deviceSectionHint->setObjectName(QStringLiteral("deviceSectionHint"));
    deviceHeaderText->addWidget(m_deviceSectionTitle);
    deviceHeaderText->addWidget(m_deviceSectionHint);
    deviceHeader->addLayout(deviceHeaderText, 1);
    m_deviceEditButton = new QPushButton(QStringLiteral("修改"), overviewPage);
    m_deviceEditButton->setObjectName(QStringLiteral("deviceEditButton"));
    m_deviceEditButton->setIcon(UiIcons::icon(QStringLiteral(":/icons/edit-3.svg")));
    m_deviceEditButton->setEnabled(false);
    deviceHeader->addWidget(m_deviceEditButton);
    m_deviceSearchEdit = new QLineEdit(overviewPage);
    m_deviceSearchEdit->setObjectName(QStringLiteral("deviceSearchEdit"));
    m_deviceSearchEdit->setPlaceholderText(QStringLiteral("搜索设备 ID 或类型"));
    m_deviceSearchEdit->setClearButtonEnabled(true);
    m_deviceSearchEdit->setMinimumWidth(240);
    deviceHeader->addWidget(m_deviceSearchEdit);
    overviewLayout->addLayout(deviceHeader);

    m_deviceGridHost = new QWidget(overviewPage);
    m_deviceGridHost->setObjectName(QStringLiteral("deviceGridHost"));
    m_deviceGrid = new QGridLayout(m_deviceGridHost);
    m_deviceGrid->setContentsMargins(0, 0, 0, 0);
    m_deviceGrid->setHorizontalSpacing(12);
    m_deviceGrid->setVerticalSpacing(12);
    overviewLayout->addWidget(m_deviceGridHost);
    overviewLayout->addStretch(1);
    overviewScroll->setWidget(overviewPage);
    pageTabs->addTab(overviewScroll, QStringLiteral("设备总览"));

    auto *configPage = new QWidget(pageTabs);
    auto *configLayout = new QVBoxLayout(configPage);
    configLayout->setContentsMargins(24, 18, 24, 18);
    configLayout->setSpacing(12);

    auto *connectionBar = new QWidget(configPage);
    connectionBar->setObjectName(QStringLiteral("panel"));
    auto *connectionLayout = new QHBoxLayout(connectionBar);
    connectionLayout->setContentsMargins(16, 12, 16, 12);
    connectionLayout->setSpacing(8);
    auto *hostLabel = new QLabel(QStringLiteral("配置服务"), connectionBar);
    hostLabel->setObjectName(QStringLiteral("sectionTitle"));
    connectionLayout->addWidget(hostLabel);
    m_hostEdit = new QLineEdit(connectionBar);
    m_hostEdit->setPlaceholderText(QStringLiteral("设备地址"));
    m_hostEdit->setMinimumWidth(180);
    m_portSpin = new QSpinBox(connectionBar);
    m_portSpin->setRange(1, 65535);
    m_portSpin->setButtonSymbols(QAbstractSpinBox::NoButtons);
    m_portSpin->setFixedWidth(76);
    QSettings settings;
    m_hostEdit->setText(settings.value(QStringLiteral("configuration/host"),
                                       QStringLiteral("192.168.28.248")).toString());
    const int savedConfigurationPort = settings.value(
        QStringLiteral("configuration/port"), 50053).toInt();
    m_portSpin->setValue(savedConfigurationPort == 50052 ? 50053 : savedConfigurationPort);
    connectionLayout->addWidget(m_hostEdit, 1);
    connectionLayout->addWidget(m_portSpin);
    m_connectButton = new QPushButton(QStringLiteral("连接"), connectionBar);
    m_connectButton->setObjectName(QStringLiteral("primaryButton"));
    m_refreshButton = new QPushButton(QStringLiteral("刷新"), connectionBar);
    m_refreshButton->setEnabled(false);
    connectionLayout->addWidget(m_connectButton);
    connectionLayout->addWidget(m_refreshButton);
    configLayout->addWidget(connectionBar);

    auto *splitter = new QSplitter(Qt::Horizontal, configPage);
    splitter->setChildrenCollapsible(false);
    m_fileList = new QListWidget(splitter);
    m_fileList->setMinimumWidth(260);
    m_fileList->setMaximumWidth(380);
    m_fileList->setAlternatingRowColors(true);

    auto *editorPanel = new QWidget(splitter);
    auto *editorLayout = new QVBoxLayout(editorPanel);
    editorLayout->setContentsMargins(12, 0, 0, 0);
    editorLayout->setSpacing(8);
    m_rootLabel = new QLabel(QStringLiteral("远端根目录：--"), editorPanel);
    m_rootLabel->setObjectName(QStringLiteral("mutedLabel"));
    m_rootLabel->setTextInteractionFlags(Qt::TextSelectableByMouse);
    m_pathLabel = new QLabel(QStringLiteral("未选择配置文件"), editorPanel);
    m_pathLabel->setObjectName(QStringLiteral("sectionTitle"));
    m_pathLabel->setTextInteractionFlags(Qt::TextSelectableByMouse);
    m_typeLabel = new QLabel(QStringLiteral("--"), editorPanel);
    m_typeLabel->setObjectName(QStringLiteral("mutedLabel"));
    editorLayout->addWidget(m_rootLabel);
    editorLayout->addWidget(m_pathLabel);
    editorLayout->addWidget(m_typeLabel);

    m_editorTabs = new QTabWidget(editorPanel);
    m_textEditor = new QPlainTextEdit(m_editorTabs);
    m_textEditor->setLineWrapMode(QPlainTextEdit::NoWrap);
    m_textEditor->setFont(QFontDatabase::systemFont(QFontDatabase::FixedFont));
    m_textEditor->setPlaceholderText(QStringLiteral("选择左侧配置文件后在此编辑"));
    m_textEditor->setEnabled(false);
    m_editorTabs->addTab(m_textEditor, QStringLiteral("原始配置"));
    m_fieldTree = new QTreeWidget(m_editorTabs);
    m_fieldTree->setColumnCount(3);
    m_fieldTree->setHeaderLabels({QStringLiteral("字段名"), QStringLiteral("值"), QStringLiteral("类型")});
    m_fieldTree->setAlternatingRowColors(true);
    m_fieldTree->setRootIsDecorated(true);
    m_fieldTree->setUniformRowHeights(true);
    m_fieldTree->header()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
    m_fieldTree->header()->setSectionResizeMode(1, QHeaderView::Stretch);
    m_fieldTree->header()->setSectionResizeMode(2, QHeaderView::ResizeToContents);
    m_fieldTree->setEditTriggers(QAbstractItemView::DoubleClicked |
                                 QAbstractItemView::EditKeyPressed |
                                 QAbstractItemView::SelectedClicked);
    m_editorTabs->addTab(m_fieldTree, QStringLiteral("字段编辑"));
    m_enableTable = new QTableWidget(m_editorTabs);
    m_enableTable->setColumnCount(4);
    m_enableTable->setHorizontalHeaderLabels(
        {QStringLiteral("ID"), QStringLiteral("类型"), QStringLiteral("配置文件"),
         QStringLiteral("启用")});
    m_enableTable->horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
    m_enableTable->horizontalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
    m_enableTable->horizontalHeader()->setSectionResizeMode(2, QHeaderView::Stretch);
    m_enableTable->horizontalHeader()->setSectionResizeMode(3, QHeaderView::ResizeToContents);
    m_enableTable->verticalHeader()->setVisible(false);
    m_enableTable->setSelectionBehavior(QAbstractItemView::SelectRows);
    m_enableTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
    m_editorTabs->addTab(m_enableTable, QStringLiteral("启用项"));
    m_editorTabs->setTabEnabled(2, false);
    editorLayout->addWidget(m_editorTabs, 1);

    auto *actionLayout = new QHBoxLayout;
    m_statusLabel = new QLabel(QStringLiteral("未连接配置服务"), editorPanel);
    m_statusLabel->setObjectName(QStringLiteral("mutedLabel"));
    m_statusLabel->setWordWrap(true);
    actionLayout->addWidget(m_statusLabel, 1);
    m_reloadButton = new QPushButton(QStringLiteral("重新加载"), editorPanel);
    m_validateButton = new QPushButton(QStringLiteral("校验"), editorPanel);
    m_saveButton = new QPushButton(QStringLiteral("保存到设备"), editorPanel);
    m_saveButton->setObjectName(QStringLiteral("primaryButton"));
    actionLayout->addWidget(m_reloadButton);
    actionLayout->addWidget(m_validateButton);
    actionLayout->addWidget(m_saveButton);
    editorLayout->addLayout(actionLayout);
    splitter->addWidget(m_fileList);
    splitter->addWidget(editorPanel);
    splitter->setStretchFactor(0, 0);
    splitter->setStretchFactor(1, 1);
    configLayout->addWidget(splitter, 1);
    pageTabs->addTab(configPage, QStringLiteral("配置管理"));
    layout->addWidget(pageTabs, 1);

    m_parseTimer = new QTimer(this);
    m_parseTimer->setSingleShot(true);
    m_parseTimer->setInterval(250);
    connect(m_parseTimer, &QTimer::timeout, this, &ConfigEditorWidget::rebuildEnableTable);
    connect(m_connectButton, &QPushButton::clicked, this, &ConfigEditorWidget::toggleConnection);
    connect(m_refreshButton, &QPushButton::clicked, this, &ConfigEditorWidget::refreshFiles);
    connect(m_fileList, &QListWidget::currentItemChanged,
            this, &ConfigEditorWidget::selectFile);
    connect(m_reloadButton, &QPushButton::clicked, this, &ConfigEditorWidget::reloadCurrentFile);
    connect(m_validateButton, &QPushButton::clicked, this, &ConfigEditorWidget::validateCurrentFile);
    connect(m_saveButton, &QPushButton::clicked, this, &ConfigEditorWidget::saveCurrentFile);
    connect(m_textEditor, &QPlainTextEdit::textChanged,
            this, &ConfigEditorWidget::handleEditorChanged);
    connect(m_fieldTree, &QTreeWidget::itemChanged,
            this, &ConfigEditorWidget::handleFieldItemChanged);
    connect(m_deviceRefreshButton, &QPushButton::clicked,
            m_client, &RobotClient::requestSystemRefresh);
    connect(m_deviceSearchEdit, &QLineEdit::textChanged,
            this, &ConfigEditorWidget::rebuildDeviceCards);
    connect(m_deviceEditButton, &QPushButton::clicked,
            this, &ConfigEditorWidget::toggleDeviceEditing);
    connect(m_client, &RobotClient::connectionChanged,
            this, &ConfigEditorWidget::handleEdgeConnectionChanged);
    connect(m_client, &RobotClient::systemStatusReceived,
            this, &ConfigEditorWidget::handleSystemStatus);
    connect(m_client, &RobotClient::systemInfoReceived,
            this, &ConfigEditorWidget::handleSystemInfo);
    connect(m_client, &RobotClient::configurationConnectionChanged,
            this, &ConfigEditorWidget::handleConnectionChanged);
    connect(m_client, &RobotClient::configurationFilesReceived,
            this, &ConfigEditorWidget::handleFilesReceived);
    connect(m_client, &RobotClient::configurationFileReceived,
            this, &ConfigEditorWidget::handleFileReceived);
    connect(m_client, &RobotClient::configurationValidationFinished,
            this, &ConfigEditorWidget::handleValidationFinished);
    connect(m_client, &RobotClient::configurationSaveFinished,
            this, &ConfigEditorWidget::handleSaveFinished);
    rebuildDeviceCards();
    updateActions();
}

void ConfigEditorWidget::handleEdgeConnectionChanged(bool connected, int latencyMs,
                                                       const QString &detail)
{
    m_edgeConnected = connected;
    m_demoMode = connected && detail == QStringLiteral("演示数据源");
    if (connected && !m_demoMode) {
        const QString endpoint = detail.trimmed();
        const int separator = endpoint.lastIndexOf(QLatin1Char(':'));
        m_edgeHost = separator > 0 ? endpoint.left(separator) : endpoint;
        if (!m_edgeHost.isEmpty())
            m_hostEdit->setText(m_edgeHost);
    }
    m_deviceRefreshButton->setEnabled(connected);
    if (!m_deviceEditMode && !m_overviewLoading && !m_deviceEditRequested)
        m_deviceEditButton->setEnabled(connected);
    m_edgeConnectionChip->setProperty("connected", connected);
    m_edgeConnectionChip->setText(connected
        ? QStringLiteral("●  边缘端在线 · %1 ms").arg(latencyMs)
        : QStringLiteral("●  边缘端未连接"));
    m_edgeConnectionChip->setToolTip(detail);
    m_edgeConnectionChip->style()->unpolish(m_edgeConnectionChip);
    m_edgeConnectionChip->style()->polish(m_edgeConnectionChip);

    if (!connected) {
        if (m_deviceEditMode)
            cancelDeviceEditing();
        m_devices.clear();
        m_onlineDeviceValue->setText(QStringLiteral("--"));
        m_deviceTypeValue->setText(QStringLiteral("--"));
        m_lastSyncValue->setText(QStringLiteral("--:--:--"));
        m_edgeSystemLabel->setText(QStringLiteral("等待获取边缘端系统信息"));
        rebuildDeviceCards();
        return;
    }
    m_client->requestSystemRefresh();
}

void ConfigEditorWidget::handleSystemStatus(double cpu, double memory, double disk,
                                             const QVariantList &devices)
{
    Q_UNUSED(cpu)
    Q_UNUSED(memory)
    Q_UNUSED(disk)
    m_devices = devices;
    std::sort(m_devices.begin(), m_devices.end(), [](const QVariant &left,
                                                      const QVariant &right) {
        const QVariantMap leftDevice = left.toMap();
        const QVariantMap rightDevice = right.toMap();
        const int leftType = leftDevice.value(QStringLiteral("type"), 20).toInt();
        const int rightType = rightDevice.value(QStringLiteral("type"), 20).toInt();
        if (leftType != rightType)
            return leftType < rightType;
        return leftDevice.value(QStringLiteral("deviceId")).toString()
            .localeAwareCompare(rightDevice.value(QStringLiteral("deviceId")).toString()) < 0;
    });
    QSet<int> types;
    for (const QVariant &entry : m_devices)
        types.insert(entry.toMap().value(QStringLiteral("type"), 20).toInt());
    m_onlineDeviceValue->setText(QString::number(m_devices.size()));
    m_deviceTypeValue->setText(QString::number(types.size()));
    m_lastSyncValue->setText(QDateTime::currentDateTime().toString(QStringLiteral("HH:mm:ss")));
    if (m_deviceEditMode) {
        QSet<QString> onlineIds;
        for (const QVariant &value : m_devices)
            onlineIds.insert(value.toMap().value(QStringLiteral("deviceId")).toString());
        for (int index = 0; index < m_editDevices.size(); ++index) {
            QVariantMap item = m_editDevices.at(index).toMap();
            item.insert(QStringLiteral("online"),
                        onlineIds.contains(item.value(QStringLiteral("deviceId")).toString()));
            m_editDevices[index] = item;
        }
        // 编辑中的控件不能随每秒一次的 GetSystemStatus 被销毁重建，否则
        // QComboBox 的弹出列表和正在输入的文本都会自动关闭或丢失焦点。
        return;
    }
    rebuildDeviceCards();
}

void ConfigEditorWidget::handleSystemInfo(const QVariantMap &info)
{
    const QString name = info.value(QStringLiteral("name"), QStringLiteral("cmvr-es")).toString();
    const QString version = info.value(QStringLiteral("version"), QStringLiteral("--")).toString();
    const QString description = info.value(QStringLiteral("description")).toString().trimmed();
    QString identity = QStringLiteral("%1  ·  %2").arg(name, version);
    if (!description.isEmpty())
        identity += QStringLiteral("  ·  %1").arg(description);
    m_edgeSystemLabel->setText(identity);
}

void ConfigEditorWidget::rebuildDeviceCards()
{
    while (QLayoutItem *item = m_deviceGrid->takeAt(0)) {
        if (item->widget())
            item->widget()->deleteLater();
        delete item;
    }

    const QString filter = m_deviceSearchEdit
        ? m_deviceSearchEdit->text().trimmed() : QString();
    const QVariantList sourceDevices = m_deviceEditMode ? m_editDevices : m_devices;
    QVariantList visibleDevices;
    for (const QVariant &entry : sourceDevices) {
        const QVariantMap device = entry.toMap();
        const int managerType = device.value(QStringLiteral("managerType"),
            managerTypeForApiType(device.value(QStringLiteral("type"), 20).toInt())).toInt();
        const DevicePresentation presentation = presentationForManagerType(
            managerType, device.value(QStringLiteral("type"), 20).toInt());
        const QString searchable = device.value(QStringLiteral("deviceId")).toString()
            + QLatin1Char(' ') + presentation.name
            + QLatin1Char(' ') + device.value(QStringLiteral("typeName")).toString()
            + QLatin1Char(' ') + device.value(QStringLiteral("deviceKindName")).toString()
            + QLatin1Char(' ') + device.value(QStringLiteral("driverType")).toString()
            + QLatin1Char(' ') + device.value(QStringLiteral("vendor")).toString();
        if (filter.isEmpty() || searchable.contains(filter, Qt::CaseInsensitive))
            visibleDevices.append(device);
    }

    m_deviceSectionTitle->setText(filter.isEmpty()
        ? QStringLiteral("在线设备 · %1").arg(sourceDevices.size())
        : QStringLiteral("搜索结果 · %1").arg(visibleDevices.size()));

    if (visibleDevices.isEmpty() && !m_deviceEditMode) {
        auto *emptyState = new QFrame(m_deviceGridHost);
        emptyState->setObjectName(QStringLiteral("deviceEmptyState"));
        auto *emptyLayout = new QVBoxLayout(emptyState);
        emptyLayout->setContentsMargins(20, 34, 20, 34);
        emptyLayout->setAlignment(Qt::AlignCenter);
        auto *emptyIcon = new QLabel(emptyState);
        emptyIcon->setPixmap(UiIcons::tintedPixmap(QStringLiteral(":/icons/radio-tower.svg"),
                                                   QColor(QStringLiteral("#91a0ad")), 34));
        emptyIcon->setAlignment(Qt::AlignCenter);
        auto *emptyTitle = new QLabel(emptyState);
        emptyTitle->setObjectName(QStringLiteral("deviceEmptyTitle"));
        emptyTitle->setAlignment(Qt::AlignCenter);
        auto *emptyHint = new QLabel(emptyState);
        emptyHint->setObjectName(QStringLiteral("deviceEmptyHint"));
        emptyHint->setAlignment(Qt::AlignCenter);
        if (!filter.isEmpty()) {
            emptyTitle->setText(QStringLiteral("没有匹配的设备"));
            emptyHint->setText(QStringLiteral("请尝试其他设备 ID 或类型关键词"));
        } else if (!m_edgeConnected) {
            emptyTitle->setText(QStringLiteral("等待连接边缘端"));
            emptyHint->setText(QStringLiteral("请先在顶部连接 cmvr-es gRPC 服务"));
        } else {
            emptyTitle->setText(QStringLiteral("暂未发现在线设备"));
            emptyHint->setText(QStringLiteral("GetSystemStatus 尚未返回已注册设备"));
        }
        emptyLayout->addWidget(emptyIcon);
        emptyLayout->addWidget(emptyTitle);
        emptyLayout->addWidget(emptyHint);
        m_deviceGrid->addWidget(emptyState, 0, 0, 1, 3);
        return;
    }

    constexpr int columns = 3;
    for (int index = 0; index < visibleDevices.size(); ++index) {
        const QVariantMap device = visibleDevices.at(index).toMap();
        const QString uid = device.value(QStringLiteral("uid")).toString();
        const QString deviceId = device.value(QStringLiteral("deviceId"),
                                               QStringLiteral("--")).toString();
        const int deviceType = device.value(QStringLiteral("type"), 20).toInt();
        const int managerType = device.value(QStringLiteral("managerType"),
                                              managerTypeForApiType(deviceType)).toInt();
        const DevicePresentation presentation = presentationForManagerType(managerType, deviceType);

        auto *card = new DeviceCardFrame(m_deviceGridHost);
        card->setObjectName(QStringLiteral("deviceCard"));
        card->setProperty("accent", presentation.accent);
        card->setProperty("editing", m_deviceEditMode);
        card->setMinimumHeight(m_deviceEditMode ? 218 : 142);
        auto *cardLayout = new QVBoxLayout(card);
        cardLayout->setContentsMargins(16, 14, 16, 14);
        cardLayout->setSpacing(9);

        auto *cardHeader = new QHBoxLayout;
        auto *iconBadge = new QLabel(card);
        iconBadge->setObjectName(QStringLiteral("deviceIconBadge"));
        iconBadge->setFixedSize(38, 38);
        iconBadge->setAlignment(Qt::AlignCenter);
        iconBadge->setPixmap(UiIcons::tintedPixmap(presentation.icon,
                                                   QColor(presentation.accent), 20));
        auto *typeLayout = new QVBoxLayout;
        typeLayout->setSpacing(1);
        auto *typeLabel = new QLabel(presentation.name, card);
        typeLabel->setObjectName(QStringLiteral("deviceCardType"));
        QString deviceMetadata = device.value(QStringLiteral("vendor")).toString().trimmed();
        const QString driverType = device.value(QStringLiteral("driverType")).toString().trimmed();
        if (!driverType.isEmpty()) {
            if (!deviceMetadata.isEmpty())
                deviceMetadata += QStringLiteral("  ·  ");
            deviceMetadata += driverType;
        }
        if (deviceMetadata.isEmpty())
            deviceMetadata = QStringLiteral("gRPC DEVICE");
        auto *protocolLabel = new QLabel(deviceMetadata, card);
        protocolLabel->setObjectName(QStringLiteral("deviceCardProtocol"));
        protocolLabel->setToolTip(deviceMetadata);
        typeLayout->addWidget(typeLabel);
        typeLayout->addWidget(protocolLabel);
        auto *onlineChip = new QLabel(QStringLiteral("● 在线"), card);
        onlineChip->setObjectName(QStringLiteral("deviceOnlineChip"));
        onlineChip->setAlignment(Qt::AlignCenter);
        if (m_deviceEditMode && !device.value(QStringLiteral("online"), true).toBool()) {
            onlineChip->setText(QStringLiteral("● 待保存"));
            onlineChip->setProperty("pending", true);
        }
        cardHeader->addWidget(iconBadge);
        cardHeader->addLayout(typeLayout, 1);
        cardHeader->addWidget(onlineChip);
        if (m_deviceEditMode) {
            auto *deleteButton = new QToolButton(card);
            deleteButton->setObjectName(QStringLiteral("deviceDeleteButton"));
            deleteButton->setIcon(UiIcons::icon(QStringLiteral(":/icons/trash-2.svg")));
            deleteButton->setToolTip(QStringLiteral("删除设备"));
            connect(deleteButton, &QToolButton::clicked, this, [this, uid, deviceId]() {
                const auto answer = QMessageBox::question(
                    this, QStringLiteral("删除设备"),
                    QStringLiteral("确定从 DeviceManager 配置中删除设备“%1”吗？").arg(deviceId),
                    QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
                if (answer != QMessageBox::Yes)
                    return;
                const int editIndex = editableDeviceIndex(uid);
                if (editIndex >= 0)
                    m_editDevices.removeAt(editIndex);
                rebuildDeviceCards();
            });
            cardHeader->addWidget(deleteButton);
        }
        cardLayout->addLayout(cardHeader);

        if (!m_deviceEditMode) {
            auto *idLabel = new QLabel(deviceId, card);
            idLabel->setObjectName(QStringLiteral("deviceCardId"));
            idLabel->setToolTip(deviceId);
            auto *sourceLabel = new QLabel(QStringLiteral("点击进入设备控制  →"), card);
            sourceLabel->setObjectName(QStringLiteral("deviceCardSource"));
            cardLayout->addWidget(idLabel);
            cardLayout->addWidget(sourceLabel);
            card->setCursor(Qt::PointingHandCursor);
            card->activated = [this, deviceType, managerType, deviceId]() {
                emit deviceNavigationRequested(
                    managerType == 8 ? 8 : deviceType, deviceId);
            };
            const auto transparent = [](QWidget *widget) {
                widget->setAttribute(Qt::WA_TransparentForMouseEvents);
            };
            transparent(iconBadge);
            transparent(typeLabel);
            transparent(protocolLabel);
            transparent(onlineChip);
            transparent(idLabel);
            transparent(sourceLabel);
        } else {
            auto *fields = new QGridLayout;
            fields->setHorizontalSpacing(10);
            fields->setVerticalSpacing(5);
            const auto fieldLabel = [card](const QString &text) {
                auto *label = new QLabel(text, card);
                label->setObjectName(QStringLiteral("deviceConfigFieldLabel"));
                return label;
            };
            fields->addWidget(fieldLabel(QStringLiteral("设备 ID")), 0, 0);
            fields->addWidget(fieldLabel(QStringLiteral("设备类型")), 0, 1);
            fields->addWidget(fieldLabel(QStringLiteral("品牌 / 驱动")), 0, 2);
            auto *idEdit = new QLineEdit(deviceId, card);
            idEdit->setObjectName(QStringLiteral("deviceConfigInput"));
            auto *typeCombo = new QComboBox(card);
            typeCombo->setObjectName(QStringLiteral("deviceConfigCombo"));
            const QList<QPair<QString, int>> deviceTypes = {
                {QStringLiteral("机械臂"), 12}, {QStringLiteral("相机"), 13},
                {QStringLiteral("AGV"), 17}, {QStringLiteral("扬声器"), 16},
                {QStringLiteral("麦克风"), 15}, {QStringLiteral("灵巧手"), 14},
                {QStringLiteral("仿生头"), 8}};
            for (const auto &option : deviceTypes)
                typeCombo->addItem(option.first, option.second);
            const int typeIndex = typeCombo->findData(managerType);
            if (typeIndex >= 0)
                typeCombo->setCurrentIndex(typeIndex);
            auto *brandCombo = new QComboBox(card);
            brandCombo->setObjectName(QStringLiteral("deviceConfigCombo"));
            const QVariantList brands = brandOptionsForType(managerType);
            for (const QVariant &value : brands) {
                const QVariantMap brand = value.toMap();
                brandCombo->addItem(brand.value(QStringLiteral("label")).toString(), brand);
            }
            const QString selectedBrand = device.value(QStringLiteral("brandKey")).toString();
            for (int brandIndex = 0; brandIndex < brandCombo->count(); ++brandIndex) {
                if (brandCombo->itemData(brandIndex).toMap().value(QStringLiteral("key")).toString()
                    == selectedBrand) {
                    brandCombo->setCurrentIndex(brandIndex);
                    break;
                }
            }
            fields->addWidget(idEdit, 1, 0);
            fields->addWidget(typeCombo, 1, 1);
            fields->addWidget(brandCombo, 1, 2);
            fields->setColumnStretch(0, 5);
            fields->setColumnStretch(1, 4);
            fields->setColumnStretch(2, 5);
            cardLayout->addLayout(fields);

            auto *parameterButton = new QPushButton(card);
            parameterButton->setObjectName(QStringLiteral("deviceParameterToggle"));
            const QVariantList parameters = device.value(QStringLiteral("parameters")).toList();
            const bool expanded = device.value(QStringLiteral("expanded")).toBool();
            parameterButton->setText(QStringLiteral("配置参数  ·  %1 项").arg(parameters.size()));
            parameterButton->setIcon(UiIcons::icon(expanded
                ? QStringLiteral(":/icons/chevron-up.svg")
                : QStringLiteral(":/icons/chevron-down.svg")));
            connect(parameterButton, &QPushButton::clicked, this, [this, uid, expanded]() {
                for (int row = 0; row < m_editDevices.size(); ++row) {
                    QVariantMap item = m_editDevices.at(row).toMap();
                    item.insert(QStringLiteral("expanded"), false);
                    m_editDevices[row] = item;
                }
                updateEditableDevice(uid, QStringLiteral("expanded"), !expanded, true);
            });
            cardLayout->addWidget(parameterButton);

            if (expanded) {
                auto *parameterHost = new QWidget(card);
                parameterHost->setObjectName(QStringLiteral("deviceParameterHost"));
                auto *parameterLayout = new QGridLayout(parameterHost);
                parameterLayout->setContentsMargins(10, 9, 10, 9);
                parameterLayout->setHorizontalSpacing(10);
                parameterLayout->setVerticalSpacing(6);
                auto *nameHeader = new QLabel(QStringLiteral("字段"), parameterHost);
                auto *valueHeader = new QLabel(QStringLiteral("值"), parameterHost);
                nameHeader->setObjectName(QStringLiteral("deviceParameterHeader"));
                valueHeader->setObjectName(QStringLiteral("deviceParameterHeader"));
                parameterLayout->addWidget(nameHeader, 0, 0);
                parameterLayout->addWidget(valueHeader, 0, 1);
                for (int row = 0; row < parameters.size(); ++row) {
                    const QVariantMap parameter = parameters.at(row).toMap();
                    auto *nameLabel = new QLabel(
                        parameter.value(QStringLiteral("label")).toString(), parameterHost);
                    nameLabel->setObjectName(QStringLiteral("deviceParameterName"));
                    nameLabel->setToolTip(parameter.value(QStringLiteral("path")).toString());
                    parameterLayout->addWidget(nameLabel, row + 1, 0);
                    const int cppType = parameter.value(QStringLiteral("type")).toInt();
                    const QVariantList options = parameter.value(QStringLiteral("options")).toList();
                    if (!options.isEmpty()) {
                        auto *input = new QComboBox(parameterHost);
                        input->setObjectName(QStringLiteral("deviceParameterInput"));
                        for (const QVariant &option : options)
                            input->addItem(option.toString());
                        input->setCurrentText(parameter.value(QStringLiteral("value")).toString());
                        connect(input, &QComboBox::currentTextChanged, this,
                                [this, uid, row](const QString &value) {
                            const int deviceIndex = editableDeviceIndex(uid);
                            if (deviceIndex < 0)
                                return;
                            QVariantMap item = m_editDevices.at(deviceIndex).toMap();
                            QVariantList rows = item.value(QStringLiteral("parameters")).toList();
                            if (row >= rows.size())
                                return;
                            QVariantMap parameter = rows.at(row).toMap();
                            parameter.insert(QStringLiteral("value"), value);
                            rows[row] = parameter;
                            item.insert(QStringLiteral("parameters"), rows);
                            m_editDevices[deviceIndex] = item;
                        });
                        parameterLayout->addWidget(input, row + 1, 1);
                    } else if (cppType == google::protobuf::FieldDescriptor::CPPTYPE_BOOL) {
                        auto *input = new QCheckBox(parameterHost);
                        input->setObjectName(QStringLiteral("deviceParameterCheck"));
                        input->setChecked(parameter.value(QStringLiteral("value")).toString()
                            == QStringLiteral("true"));
                        connect(input, &QCheckBox::toggled, this, [this, uid, row](bool checked) {
                            const int deviceIndex = editableDeviceIndex(uid);
                            if (deviceIndex < 0)
                                return;
                            QVariantMap item = m_editDevices.at(deviceIndex).toMap();
                            QVariantList rows = item.value(QStringLiteral("parameters")).toList();
                            QVariantMap parameter = rows.at(row).toMap();
                            parameter.insert(QStringLiteral("value"), checked
                                ? QStringLiteral("true") : QStringLiteral("false"));
                            rows[row] = parameter;
                            item.insert(QStringLiteral("parameters"), rows);
                            m_editDevices[deviceIndex] = item;
                        });
                        parameterLayout->addWidget(input, row + 1, 1, Qt::AlignLeft);
                    } else {
                        auto *input = new QLineEdit(
                            parameter.value(QStringLiteral("value")).toString(), parameterHost);
                        input->setObjectName(QStringLiteral("deviceParameterInput"));
                        if (parameter.value(QStringLiteral("secret")).toBool())
                            input->setEchoMode(QLineEdit::PasswordEchoOnEdit);
                        connect(input, &QLineEdit::textChanged, this,
                                [this, uid, row](const QString &value) {
                            const int deviceIndex = editableDeviceIndex(uid);
                            if (deviceIndex < 0)
                                return;
                            QVariantMap item = m_editDevices.at(deviceIndex).toMap();
                            QVariantList rows = item.value(QStringLiteral("parameters")).toList();
                            if (row >= rows.size())
                                return;
                            QVariantMap parameter = rows.at(row).toMap();
                            parameter.insert(QStringLiteral("value"), value);
                            rows[row] = parameter;
                            item.insert(QStringLiteral("parameters"), rows);
                            m_editDevices[deviceIndex] = item;
                        });
                        parameterLayout->addWidget(input, row + 1, 1);
                    }
                }
                parameterLayout->setColumnStretch(0, 4);
                parameterLayout->setColumnStretch(1, 6);
                auto *parameterScroll = new QScrollArea(card);
                parameterScroll->setObjectName(QStringLiteral("deviceParameterScroll"));
                parameterScroll->setFrameShape(QFrame::NoFrame);
                parameterScroll->setWidgetResizable(true);
                parameterScroll->setWidget(parameterHost);
                parameterScroll->setMinimumHeight(90);
                parameterScroll->setMaximumHeight(250);
                cardLayout->addWidget(parameterScroll);
            }

            connect(idEdit, &QLineEdit::textChanged, this, [this, uid](const QString &value) {
                updateEditableDevice(uid, QStringLiteral("deviceId"), value.trimmed());
            });
            connect(typeCombo, QOverload<int>::of(&QComboBox::activated), this,
                    [this, uid, typeCombo](int comboIndex) {
                const int editIndex = editableDeviceIndex(uid);
                if (editIndex < 0 || comboIndex < 0)
                    return;
                QVariantMap item = m_editDevices.at(editIndex).toMap();
                const int nextManagerType = typeCombo->itemData(comboIndex).toInt();
                item.insert(QStringLiteral("managerType"), nextManagerType);
                item.insert(QStringLiteral("type"), apiTypeForManagerType(nextManagerType));
                m_editDevices[editIndex] = item;
                refreshEditableDeviceSchema(editIndex);
                QTimer::singleShot(0, this, &ConfigEditorWidget::rebuildDeviceCards);
            });
            connect(brandCombo, QOverload<int>::of(&QComboBox::activated), this,
                    [this, uid, brandCombo](int comboIndex) {
                const int editIndex = editableDeviceIndex(uid);
                if (editIndex < 0 || comboIndex < 0)
                    return;
                QVariantMap item = m_editDevices.at(editIndex).toMap();
                const QVariantMap brand = brandCombo->itemData(comboIndex).toMap();
                item.insert(QStringLiteral("brandKey"), brand.value(QStringLiteral("key")));
                item.insert(QStringLiteral("backend"), brand.value(QStringLiteral("backend")));
                item.insert(QStringLiteral("brandNumber"), brand.value(QStringLiteral("brandNumber"), -1));
                item.insert(QStringLiteral("configFile"), brand.value(QStringLiteral("configFile")));
                m_editDevices[editIndex] = item;
                refreshEditableDeviceSchema(editIndex);
                QTimer::singleShot(0, this, &ConfigEditorWidget::rebuildDeviceCards);
            });
        }
        m_deviceGrid->addWidget(card, index / columns, index % columns);
    }
    if (m_deviceEditMode && filter.isEmpty()) {
        auto *addCard = new DeviceCardFrame(m_deviceGridHost);
        addCard->setObjectName(QStringLiteral("deviceAddCard"));
        addCard->setCursor(Qt::PointingHandCursor);
        addCard->setMinimumHeight(218);
        auto *addLayout = new QVBoxLayout(addCard);
        addLayout->setAlignment(Qt::AlignCenter);
        auto *addIcon = new QLabel(addCard);
        addIcon->setObjectName(QStringLiteral("deviceAddIcon"));
        addIcon->setPixmap(UiIcons::tintedPixmap(QStringLiteral(":/icons/plus.svg"),
                                                 QColor(QStringLiteral("#337ee8")), 30));
        addIcon->setAlignment(Qt::AlignCenter);
        auto *addTitle = new QLabel(QStringLiteral("增加新设备"), addCard);
        addTitle->setObjectName(QStringLiteral("deviceAddTitle"));
        auto *addHint = new QLabel(QStringLiteral("添加 DeviceManager 配置项"), addCard);
        addHint->setObjectName(QStringLiteral("deviceAddHint"));
        addHint->setAlignment(Qt::AlignCenter);
        addLayout->addWidget(addIcon);
        addLayout->addWidget(addTitle, 0, Qt::AlignCenter);
        addLayout->addWidget(addHint, 0, Qt::AlignCenter);
        addCard->activated = [this]() { addEditableDevice(); };
        addIcon->setAttribute(Qt::WA_TransparentForMouseEvents);
        addTitle->setAttribute(Qt::WA_TransparentForMouseEvents);
        addHint->setAttribute(Qt::WA_TransparentForMouseEvents);
        const int addIndex = visibleDevices.size();
        m_deviceGrid->addWidget(addCard, addIndex / columns, addIndex % columns);
    }
    for (int column = 0; column < columns; ++column)
        m_deviceGrid->setColumnStretch(column, 1);
}

QVariantList ConfigEditorWidget::brandOptionsForType(int managerType) const
{
    const QString folder = typeFolderForManagerType(managerType);
    const auto resolvePath = [this, folder](const QString &preferred) {
        for (const QVariant &value : m_configurationFiles) {
            if (value.toMap().value(QStringLiteral("relativePath")).toString() == preferred)
                return preferred;
        }
        for (const QVariant &value : m_configurationFiles) {
            const QString path = value.toMap().value(QStringLiteral("relativePath")).toString();
            if (path.contains(QStringLiteral("/devices/%1/").arg(folder))
                || path.startsWith(QStringLiteral("devices/%1/").arg(folder)))
                return path;
        }
        return preferred;
    };
    const auto option = [](const QString &key, const QString &label,
                           const QString &backend, int brandNumber,
                           const QString &configFile) {
        QVariantMap value;
        value.insert(QStringLiteral("key"), key);
        value.insert(QStringLiteral("label"), label);
        value.insert(QStringLiteral("backend"), backend);
        value.insert(QStringLiteral("brandNumber"), brandNumber);
        value.insert(QStringLiteral("configFile"), configFile);
        return value;
    };

    QVariantList result;
    switch (managerType) {
    case 17: {
        const QString path = resolvePath(QStringLiteral("devices/agv/agv.pb.txt"));
        result << option(QStringLiteral("seer"), QStringLiteral("仙工 · Robokit / SRC1100"),
                         QStringLiteral("seer_robokit_agv"), -1, path)
               << option(QStringLiteral("generic_agv"), QStringLiteral("通用 / 测试 AGV"),
                         QStringLiteral("my_agv"), -1, path);
        break;
    }
    case 12:
        result << option(QStringLiteral("aubo"), QStringLiteral("AUBO"),
                         QStringLiteral("vendor"), 1,
                         resolvePath(QStringLiteral("devices/arm/aubo_arm.pb.txt")))
               << option(QStringLiteral("huayan"), QStringLiteral("华沿 Elfin"),
                         QStringLiteral("vendor"), 2,
                         resolvePath(QStringLiteral("devices/arm/huayan_arm.pb.txt")));
        for (const QVariant &value : m_configurationFiles) {
            const QString path = value.toMap().value(QStringLiteral("relativePath")).toString();
            if (!path.contains(QStringLiteral("devices/arm/"))
                || path.endsWith(QStringLiteral("aubo_arm.pb.txt"))
                || path.endsWith(QStringLiteral("huayan_arm.pb.txt")))
                continue;
            QString name = QFileInfo(path).fileName();
            name.remove(QStringLiteral(".pb.txt"));
            result << option(QStringLiteral("motor:%1").arg(path),
                             QStringLiteral("电机 / %1").arg(name),
                             QStringLiteral("motor"), -1, path);
        }
        if (result.size() == 2) {
            result << option(QStringLiteral("motor"), QStringLiteral("电机 / 通用机械臂"),
                             QStringLiteral("motor"), -1,
                             resolvePath(QStringLiteral("devices/arm/arm.pb.txt")));
        }
        break;
    case 13: {
        const QString path = resolvePath(QStringLiteral("devices/camera/camera.pb.txt"));
        result << option(QStringLiteral("hikvision"), QStringLiteral("海康威视"), QStringLiteral("hikvision"), -1, path)
               << option(QStringLiteral("realsense"), QStringLiteral("Intel RealSense"), QStringLiteral("realsense"), -1, path)
               << option(QStringLiteral("mechmind"), QStringLiteral("梅卡曼德 Mech-Mind"), QStringLiteral("mechmind"), -1, path)
               << option(QStringLiteral("uvc"), QStringLiteral("UVC / USB 相机"), QStringLiteral("uvc"), -1, path)
               << option(QStringLiteral("mujoco_camera"), QStringLiteral("MuJoCo 虚拟相机"), QStringLiteral("mujoco"), -1, path);
        break;
    }
    case 14: {
        const QString path = resolvePath(QStringLiteral("devices/dexhand/dexhand.pb.txt"));
        result << option(QStringLiteral("rh56dftp"), QStringLiteral("因时 RH56DFTP"), QStringLiteral("rh56dftp"), -1, path)
               << option(QStringLiteral("px6ax"), QStringLiteral("PX-6AX Gen3"), QStringLiteral("px_6ax_gen3"), -1, path)
               << option(QStringLiteral("zero_sim_touch"), QStringLiteral("ZeroSimTouch"), QStringLiteral("zero_sim_touch"), -1, path);
        break;
    }
    case 15:
        result << option(QStringLiteral("ffmpeg_microphone"), QStringLiteral("FFmpeg / USB Audio"),
                         QStringLiteral("ffmpeg"), -1,
                         resolvePath(QStringLiteral("devices/microphone/microphone.pb.txt")));
        break;
    case 16:
        result << option(QStringLiteral("ffmpeg_speaker"), QStringLiteral("FFmpeg / USB Audio"),
                         QStringLiteral("ffmpeg"), -1,
                         resolvePath(QStringLiteral("devices/speaker/speaker.pb.txt")));
        break;
    case 8:
        result << option(QStringLiteral("biohead"), QStringLiteral("串口仿生头"), QString(), -1,
                         resolvePath(QStringLiteral("devices/biohead/bio_head.pb.txt")));
        break;
    default:
        break;
    }
    return result;
}

QVariantList ConfigEditorWidget::parameterRowsForDevice(const QVariantMap &device) const
{
    const QString path = device.value(QStringLiteral("configFile")).toString();
    const int managerType = device.value(QStringLiteral("managerType")).toInt();
    const QString messageType = m_overviewMessageTypes.value(
        path, defaultMessageTypeForManagerType(managerType));
    QString error;
    auto root = createMessage(messageType, m_overviewContents.value(path), &error);
    if (!root)
        return {};
    auto *entry = deviceEntry(root.get(), device.value(QStringLiteral("deviceId")).toString(), true);
    if (!entry)
        return {};
    if (const auto *idField = entry->GetDescriptor()->FindFieldByName("id"))
        entry->GetReflection()->SetString(entry, idField,
            device.value(QStringLiteral("deviceId")).toString().toStdString());
    auto *backend = selectBackend(entry, device.value(QStringLiteral("backend")).toString(),
                                  device.value(QStringLiteral("brandNumber"), -1).toInt());
    if (!backend)
        return {};
    if (const auto *idField = backend->GetDescriptor()->FindFieldByName("id"))
        backend->GetReflection()->SetString(backend, idField,
            device.value(QStringLiteral("deviceId")).toString().toStdString());
    QVariantList rows;
    appendParameterRows(entry, QString(), &rows);
    return rows;
}

int ConfigEditorWidget::editableDeviceIndex(const QString &uid) const
{
    for (int index = 0; index < m_editDevices.size(); ++index) {
        if (m_editDevices.at(index).toMap().value(QStringLiteral("uid")).toString() == uid)
            return index;
    }
    return -1;
}

void ConfigEditorWidget::updateEditableDevice(const QString &uid, const QString &key,
                                               const QVariant &value, bool rebuild)
{
    const int index = editableDeviceIndex(uid);
    if (index < 0)
        return;
    QVariantMap device = m_editDevices.at(index).toMap();
    device.insert(key, value);
    m_editDevices[index] = device;
    if (rebuild)
        rebuildDeviceCards();
}

void ConfigEditorWidget::refreshEditableDeviceSchema(int index)
{
    if (index < 0 || index >= m_editDevices.size())
        return;
    QVariantMap device = m_editDevices.at(index).toMap();
    const QVariantList brands = brandOptionsForType(
        device.value(QStringLiteral("managerType")).toInt());
    QVariantMap selected;
    const QString key = device.value(QStringLiteral("brandKey")).toString();
    for (const QVariant &value : brands) {
        if (value.toMap().value(QStringLiteral("key")).toString() == key) {
            selected = value.toMap();
            break;
        }
    }
    if (selected.isEmpty() && !brands.isEmpty())
        selected = brands.first().toMap();
    device.insert(QStringLiteral("brandKey"), selected.value(QStringLiteral("key")));
    device.insert(QStringLiteral("backend"), selected.value(QStringLiteral("backend")));
    device.insert(QStringLiteral("brandNumber"), selected.value(QStringLiteral("brandNumber"), -1));
    device.insert(QStringLiteral("configFile"), selected.value(QStringLiteral("configFile")));
    device.insert(QStringLiteral("parameters"), parameterRowsForDevice(device));
    m_editDevices[index] = device;
}

void ConfigEditorWidget::addEditableDevice()
{
    QVariantMap device;
    device.insert(QStringLiteral("uid"), QUuid::createUuid().toString(QUuid::WithoutBraces));
    int suffix = 1;
    QString id;
    QSet<QString> used;
    for (const QVariant &value : m_editDevices)
        used.insert(value.toMap().value(QStringLiteral("deviceId")).toString());
    do {
        id = QStringLiteral("new_robot_%1").arg(suffix++);
    } while (used.contains(id));
    device.insert(QStringLiteral("deviceId"), id);
    device.insert(QStringLiteral("originalId"), QString());
    device.insert(QStringLiteral("managerType"), 12);
    device.insert(QStringLiteral("type"), 6);
    device.insert(QStringLiteral("online"), false);
    device.insert(QStringLiteral("enable"), true);
    device.insert(QStringLiteral("expanded"), true);
    m_editDevices.append(device);
    refreshEditableDeviceSchema(m_editDevices.size() - 1);
    rebuildDeviceCards();
}

void ConfigEditorWidget::buildEditableDevices()
{
    m_editDevices.clear();
    cmvr::config::DeviceManagerRootConfig manager;
    const bool managerReady = m_managerContent.trimmed().isEmpty()
        || google::protobuf::TextFormat::ParseFromString(m_managerContent.toStdString(), &manager);
    if (!managerReady) {
        QMessageBox::critical(this, QStringLiteral("读取设备配置"),
                              QStringLiteral("DeviceManager 配置格式与当前上位机协议不兼容。"));
        cancelDeviceEditing();
        return;
    }

    for (const QVariant &value : m_devices) {
        const QVariantMap live = value.toMap();
        const QString id = live.value(QStringLiteral("deviceId")).toString();
        QVariantMap device = live;
        device.insert(QStringLiteral("uid"), QUuid::createUuid().toString(QUuid::WithoutBraces));
        device.insert(QStringLiteral("originalId"), id);
        device.insert(QStringLiteral("online"), true);
        device.insert(QStringLiteral("expanded"), false);
        int managerType = managerTypeForApiType(live.value(QStringLiteral("type"), 20).toInt());
        QString configFile;
        bool enabled = true;
        for (const auto &entry : manager.device_manager().devices()) {
            if (QString::fromStdString(entry.id()) != id)
                continue;
            managerType = static_cast<int>(entry.type());
            configFile = QString::fromStdString(entry.config_file());
            enabled = entry.enable();
            break;
        }
        device.insert(QStringLiteral("managerType"), managerType);
        device.insert(QStringLiteral("type"), apiTypeForManagerType(managerType));
        device.insert(QStringLiteral("configFile"), configFile);
        device.insert(QStringLiteral("enable"), enabled);

        const QVariantList brands = brandOptionsForType(managerType);
        QVariantMap selected;
        QString activeBackend;
        int activeBrand = -1;
        if (!configFile.isEmpty()) {
            const QString messageType = m_overviewMessageTypes.value(
                configFile, defaultMessageTypeForManagerType(managerType));
            auto root = createMessage(messageType, m_overviewContents.value(configFile));
            auto *entry = deviceEntry(root.get(), id, false);
            if (entry) {
                if (const auto *oneof = entry->GetDescriptor()->FindOneofByName("backend")) {
                    const auto *active = entry->GetReflection()->GetOneofFieldDescriptor(*entry, oneof);
                    if (active) {
                        activeBackend = QString::fromStdString(active->name());
                        const auto &backend = entry->GetReflection()->GetMessage(*entry, active);
                        const auto *brandField = backend.GetDescriptor()->FindFieldByName("brand");
                        if (brandField)
                            activeBrand = backend.GetReflection()->GetEnumValue(backend, brandField);
                    }
                }
            }
        }
        for (const QVariant &brandValue : brands) {
            const QVariantMap brand = brandValue.toMap();
            const bool samePath = configFile.isEmpty()
                || brand.value(QStringLiteral("configFile")).toString() == configFile;
            const bool sameBackend = activeBackend.isEmpty()
                || brand.value(QStringLiteral("backend")).toString() == activeBackend;
            const int brandNumber = brand.value(QStringLiteral("brandNumber"), -1).toInt();
            const bool sameBrand = activeBrand < 0 || brandNumber < 0 || brandNumber == activeBrand;
            if (samePath && sameBackend && sameBrand) {
                selected = brand;
                break;
            }
        }
        if (selected.isEmpty() && !brands.isEmpty())
            selected = brands.first().toMap();
        device.insert(QStringLiteral("brandKey"), selected.value(QStringLiteral("key")));
        device.insert(QStringLiteral("backend"), selected.value(QStringLiteral("backend")));
        device.insert(QStringLiteral("brandNumber"), selected.value(QStringLiteral("brandNumber"), -1));
        if (configFile.isEmpty())
            device.insert(QStringLiteral("configFile"), selected.value(QStringLiteral("configFile")));
        device.insert(QStringLiteral("parameters"), parameterRowsForDevice(device));
        m_editDevices.append(device);
    }
    m_deviceEditMode = true;
    m_deviceEditRequested = false;
    m_overviewLoading = false;
    m_deviceEditButton->setEnabled(true);
    m_deviceEditButton->setText(QStringLiteral("完成"));
    m_deviceEditButton->setIcon(UiIcons::icon(QStringLiteral(":/icons/check.svg")));
    m_deviceEditButton->setObjectName(QStringLiteral("deviceEditButtonActive"));
    m_deviceSectionHint->setText(
        QStringLiteral("正在编辑 DeviceManager 配置；完成后将保存并上传到 cmvr-es"));
    m_deviceSearchEdit->clear();
    rebuildDeviceCards();
}

void ConfigEditorWidget::beginDeviceConfigurationLoad()
{
    m_overviewLoading = true;
    m_deviceEditRequested = false;
    m_deviceEditButton->setEnabled(false);
    m_deviceEditButton->setText(QStringLiteral("加载中…"));
    m_configurationFiles.clear();
    m_overviewContents.clear();
    m_overviewRevisions.clear();
    m_overviewMessageTypes.clear();
    m_client->requestConfigurationFiles();
}

void ConfigEditorWidget::readNextOverviewConfiguration()
{
    if (m_overviewReadQueue.isEmpty()) {
        m_overviewCurrentRead.clear();
        buildEditableDevices();
        return;
    }
    m_overviewCurrentRead = m_overviewReadQueue.takeFirst();
    m_client->readConfigurationFile(m_overviewCurrentRead);
}

void ConfigEditorWidget::toggleDeviceEditing()
{
    if (m_deviceEditMode) {
        finishDeviceEditing();
        return;
    }
    if (!m_edgeConnected) {
        QMessageBox::information(this, QStringLiteral("设备配置"),
                                 QStringLiteral("请先连接 cmvr-es，再修改设备配置。"));
        return;
    }
    if (m_demoMode) {
        m_managerContent.clear();
        m_configurationFiles.clear();
        m_overviewContents.clear();
        m_overviewMessageTypes.clear();
        buildEditableDevices();
        return;
    }
    if (!m_connected) {
        m_deviceEditRequested = true;
        m_deviceEditButton->setEnabled(false);
        m_deviceEditButton->setText(QStringLiteral("连接配置服务…"));
        const QString host = m_edgeHost.isEmpty() ? m_hostEdit->text().trimmed() : m_edgeHost;
        m_client->connectConfigurationServer(host, m_portSpin->value());
        return;
    }
    beginDeviceConfigurationLoad();
}

void ConfigEditorWidget::cancelDeviceEditing()
{
    m_deviceEditMode = false;
    m_deviceEditRequested = false;
    m_overviewLoading = false;
    m_overviewSaving = false;
    m_editDevices.clear();
    m_deviceEditButton->setEnabled(m_edgeConnected);
    m_deviceEditButton->setText(QStringLiteral("修改"));
    m_deviceEditButton->setIcon(UiIcons::icon(QStringLiteral(":/icons/edit-3.svg")));
    m_deviceEditButton->setObjectName(QStringLiteral("deviceEditButton"));
    m_deviceSectionHint->setText(
        QStringLiteral("设备 ID 与类型由边缘端 DeviceManager 注册信息生成"));
    rebuildDeviceCards();
}

bool ConfigEditorWidget::prepareOverviewSave(QString *error)
{
    cmvr::config::DeviceManagerRootConfig manager;
    if (!google::protobuf::TextFormat::ParseFromString(m_managerContent.toStdString(), &manager)) {
        if (error)
            *error = QStringLiteral("无法解析 DeviceManager 配置");
        return false;
    }

    QSet<QString> originalIds;
    for (const QVariant &value : m_devices)
        originalIds.insert(value.toMap().value(QStringLiteral("deviceId")).toString());
    QSet<QString> currentIds;
    for (const QVariant &value : m_editDevices) {
        const QString id = value.toMap().value(QStringLiteral("deviceId")).toString().trimmed();
        if (id.isEmpty()) {
            if (error)
                *error = QStringLiteral("设备 ID 不能为空");
            return false;
        }
        if (currentIds.contains(id)) {
            if (error)
                *error = QStringLiteral("设备 ID “%1” 重复").arg(id);
            return false;
        }
        currentIds.insert(id);
    }

    QSet<QString> affectedPaths;
    auto *entries = manager.mutable_device_manager()->mutable_devices();
    for (int index = entries->size() - 1; index >= 0; --index) {
        if (!originalIds.contains(QString::fromStdString(entries->Get(index).id())))
            continue;
        affectedPaths.insert(QString::fromStdString(entries->Get(index).config_file()));
        entries->DeleteSubrange(index, 1);
    }
    for (const QVariant &value : m_editDevices) {
        const QVariantMap device = value.toMap();
        const QString path = device.value(QStringLiteral("configFile")).toString();
        if (path.isEmpty()) {
            if (error)
                *error = QStringLiteral("设备 “%1” 没有可用配置文件")
                    .arg(device.value(QStringLiteral("deviceId")).toString());
            return false;
        }
        affectedPaths.insert(path);
        auto *entry = entries->Add();
        entry->set_id(device.value(QStringLiteral("deviceId")).toString().toStdString());
        entry->set_type(static_cast<cmvr::config::DeviceConfigEntry::DeviceType>(
            device.value(QStringLiteral("managerType")).toInt()));
        entry->set_config_file(path.toStdString());
        entry->set_enable(device.value(QStringLiteral("enable"), true).toBool());
    }

    m_overviewSaveContents.clear();
    m_overviewSaveRevisions.clear();
    for (const QString &path : std::as_const(affectedPaths)) {
        if (path.isEmpty())
            continue;
        if (!m_overviewContents.contains(path) || !m_overviewRevisions.contains(path)) {
            if (error)
                *error = QStringLiteral("尚未加载配置文件 %1，无法安全保存").arg(path);
            return false;
        }
        int managerType = 0;
        for (const QVariant &value : m_editDevices) {
            if (value.toMap().value(QStringLiteral("configFile")).toString() == path) {
                managerType = value.toMap().value(QStringLiteral("managerType")).toInt();
                break;
            }
        }
        const QString messageType = m_overviewMessageTypes.value(
            path, defaultMessageTypeForManagerType(managerType));
        QString parseError;
        auto root = createMessage(messageType, m_overviewContents.value(path), &parseError);
        if (!root) {
            if (error)
                *error = QStringLiteral("%1：%2").arg(path, parseError);
            return false;
        }
        removeDeviceEntries(root.get(), originalIds);
        int directEntryCount = 0;
        for (const QVariant &value : m_editDevices) {
            const QVariantMap device = value.toMap();
            if (device.value(QStringLiteral("configFile")).toString() != path)
                continue;
            if (device.value(QStringLiteral("managerType")).toInt() == 8 && ++directEntryCount > 1) {
                if (error)
                    *error = QStringLiteral("仿生头配置文件当前只支持一个设备");
                return false;
            }
            const QString id = device.value(QStringLiteral("deviceId")).toString().trimmed();
            auto *entry = deviceEntry(root.get(), id, true);
            if (!entry) {
                if (error)
                    *error = QStringLiteral("无法在 %1 中创建设备 %2").arg(path, id);
                return false;
            }
            if (const auto *idField = entry->GetDescriptor()->FindFieldByName("id"))
                entry->GetReflection()->SetString(entry, idField, id.toStdString());
            auto *backend = selectBackend(entry,
                device.value(QStringLiteral("backend")).toString(),
                device.value(QStringLiteral("brandNumber"), -1).toInt());
            if (!backend) {
                if (error)
                    *error = QStringLiteral("设备 %1 的品牌驱动与配置协议不匹配").arg(id);
                return false;
            }
            if (const auto *idField = backend->GetDescriptor()->FindFieldByName("id"))
                backend->GetReflection()->SetString(backend, idField, id.toStdString());
            const QVariantList parameters = device.value(QStringLiteral("parameters")).toList();
            for (const QVariant &parameterValue : parameters) {
                const QVariantMap parameter = parameterValue.toMap();
                const QString parameterPath = parameter.value(QStringLiteral("path")).toString();
                const QString parameterText = parameter.value(QStringLiteral("value")).toString();
                if (parameterText.isEmpty() && parameterPath.endsWith(QLatin1Char(']')))
                    continue;
                if (!setParameterValue(entry, parameterPath, parameterText)) {
                    if (error)
                        *error = QStringLiteral("设备 %1 的参数 %2 格式不正确")
                            .arg(id, parameterPath);
                    return false;
                }
            }
        }
        const QString serialized = printMessage(*root);
        if (serialized.isEmpty()) {
            if (error)
                *error = QStringLiteral("无法序列化 %1").arg(path);
            return false;
        }
        m_overviewSaveContents.insert(path, serialized);
        m_overviewSaveRevisions.insert(path, m_overviewRevisions.value(path));
    }

    const QString managerSerialized = printMessage(manager);
    if (managerSerialized.isEmpty()) {
        if (error)
            *error = QStringLiteral("无法序列化 DeviceManager 配置");
        return false;
    }
    m_overviewSaveContents.insert(m_managerPath, managerSerialized);
    m_overviewSaveRevisions.insert(m_managerPath, m_managerRevision);
    m_overviewSaveQueue = m_overviewSaveContents.keys();
    m_overviewSaveQueue.removeAll(m_managerPath);
    std::sort(m_overviewSaveQueue.begin(), m_overviewSaveQueue.end());
    m_overviewSaveQueue.append(m_managerPath);
    return true;
}

void ConfigEditorWidget::finishDeviceEditing()
{
    if (m_demoMode) {
        QVariantList demoDevices;
        for (const QVariant &value : m_editDevices) {
            const QVariantMap configured = value.toMap();
            QVariantMap live;
            live.insert(QStringLiteral("deviceId"), configured.value(QStringLiteral("deviceId")));
            live.insert(QStringLiteral("type"), configured.value(QStringLiteral("type")));
            live.insert(QStringLiteral("typeName"), QStringLiteral("DEVICE_TYPE_DEMO"));
            demoDevices.append(live);
        }
        m_devices = demoDevices;
        cancelDeviceEditing();
        QMessageBox::information(this, QStringLiteral("演示模式"),
                                 QStringLiteral("演示配置已应用到当前界面；未写入远端文件。"));
        return;
    }
    QString error;
    if (!prepareOverviewSave(&error)) {
        QMessageBox::warning(this, QStringLiteral("无法保存设备配置"), error);
        return;
    }
    m_overviewSaving = true;
    m_deviceEditButton->setEnabled(false);
    m_deviceEditButton->setText(QStringLiteral("保存中…"));
    saveNextOverviewConfiguration();
}

void ConfigEditorWidget::saveNextOverviewConfiguration()
{
    if (m_overviewSaveQueue.isEmpty()) {
        m_overviewSaving = false;
        m_overviewCurrentSave.clear();
        cancelDeviceEditing();
        m_client->requestSystemRefresh();
        QMessageBox::information(
            this, QStringLiteral("设备配置已保存"),
            QStringLiteral("配置文件已上传到 cmvr-es。配置重载/重启功能将在后续接入。"));
        return;
    }
    m_overviewCurrentSave = m_overviewSaveQueue.takeFirst();
    m_client->saveConfigurationFile(
        m_overviewCurrentSave,
        m_overviewSaveContents.value(m_overviewCurrentSave),
        m_overviewSaveRevisions.value(m_overviewCurrentSave));
}

void ConfigEditorWidget::toggleConnection()
{
    if (m_connected) {
        if (!confirmDiscardChanges())
            return;
        m_client->disconnectConfigurationServer();
        return;
    }
    if (m_hostEdit->text().trimmed().isEmpty()) {
        setStatus(QStringLiteral("设备地址不能为空"), true);
        return;
    }
    QSettings settings;
    settings.setValue(QStringLiteral("configuration/host"), m_hostEdit->text().trimmed());
    settings.setValue(QStringLiteral("configuration/port"), m_portSpin->value());
    setBusy(true);
    setStatus(QStringLiteral("正在连接配置服务..."));
    m_client->connectConfigurationServer(m_hostEdit->text(), m_portSpin->value());
}

void ConfigEditorWidget::refreshFiles()
{
    if (!m_connected || !confirmDiscardChanges())
        return;
    setBusy(true);
    setStatus(QStringLiteral("正在读取远端配置列表..."));
    m_client->requestConfigurationFiles();
}

void ConfigEditorWidget::selectFile(QListWidgetItem *current, QListWidgetItem *previous)
{
    if (!current)
        return;
    const QString nextPath = current->data(kPathRole).toString();
    if (nextPath == m_currentPath)
        return;
    if (!confirmDiscardChanges()) {
        const QSignalBlocker blocker(m_fileList);
        m_fileList->setCurrentItem(previous);
        return;
    }
    setBusy(true);
    setStatus(QStringLiteral("正在读取 %1...").arg(nextPath));
    m_client->readConfigurationFile(nextPath);
}

void ConfigEditorWidget::reloadCurrentFile()
{
    if (m_currentPath.isEmpty() || !confirmDiscardChanges())
        return;
    setBusy(true);
    m_client->readConfigurationFile(m_currentPath);
}

void ConfigEditorWidget::validateCurrentFile()
{
    if (m_currentPath.isEmpty())
        return;
    setBusy(true);
    setStatus(QStringLiteral("正在校验 %1...").arg(m_currentPath));
    m_client->validateConfigurationFile(m_currentPath, m_textEditor->toPlainText());
}

void ConfigEditorWidget::saveCurrentFile()
{
    if (m_currentPath.isEmpty() || m_revision.isEmpty())
        return;
    setBusy(true);
    setStatus(QStringLiteral("正在保存 %1...").arg(m_currentPath));
    m_client->saveConfigurationFile(m_currentPath, m_textEditor->toPlainText(), m_revision);
}

void ConfigEditorWidget::handleConnectionChanged(bool connected, const QString &detail)
{
    m_connected = connected;
    setBusy(false);
    m_hostEdit->setEnabled(!connected);
    m_portSpin->setEnabled(!connected);
    m_connectButton->setText(connected ? QStringLiteral("断开") : QStringLiteral("连接"));
    setStatus(detail, !connected && detail != QStringLiteral("配置服务已断开"));
    if (connected && m_deviceEditRequested) {
        beginDeviceConfigurationLoad();
    } else if (connected) {
        refreshFiles();
    }
    else {
        if (m_deviceEditRequested || m_overviewLoading) {
            m_deviceEditRequested = false;
            m_overviewLoading = false;
            m_deviceEditButton->setEnabled(m_edgeConnected);
            m_deviceEditButton->setText(QStringLiteral("修改"));
        }
        m_fileList->clear();
        m_rootLabel->setText(QStringLiteral("远端根目录：--"));
        clearCurrentFile();
    }
    updateActions();
}

void ConfigEditorWidget::handleFilesReceived(const QString &configRoot,
                                             const QVariantList &files,
                                             bool success, const QString &detail)
{
    setBusy(false);
    if (!success) {
        if (m_overviewLoading) {
            m_overviewLoading = false;
            m_deviceEditButton->setEnabled(true);
            m_deviceEditButton->setText(QStringLiteral("修改"));
        }
        setStatus(detail.isEmpty() ? QStringLiteral("读取配置列表失败") : detail, true);
        return;
    }
    if (m_overviewLoading) {
        Q_UNUSED(configRoot)
        m_configurationFiles = files;
        m_overviewReadQueue.clear();
        m_managerPath.clear();
        const QSet<QString> supportedFolders = {
            QStringLiteral("agv"), QStringLiteral("arm"), QStringLiteral("camera"),
            QStringLiteral("dexhand"), QStringLiteral("microphone"),
            QStringLiteral("speaker"), QStringLiteral("biohead")};
        for (const QVariant &value : files) {
            const QVariantMap file = value.toMap();
            const QString path = file.value(QStringLiteral("relativePath")).toString();
            m_overviewMessageTypes.insert(path,
                file.value(QStringLiteral("messageType")).toString());
            if (path.endsWith(QStringLiteral("device_manager.pb.txt"))) {
                m_managerPath = path;
                continue;
            }
            const QString normalized = QDir::fromNativeSeparators(path);
            for (const QString &folder : supportedFolders) {
                if (normalized.contains(QStringLiteral("devices/%1/").arg(folder))) {
                    m_overviewReadQueue.append(path);
                    break;
                }
            }
        }
        if (m_managerPath.isEmpty()) {
            m_overviewLoading = false;
            m_deviceEditButton->setEnabled(true);
            m_deviceEditButton->setText(QStringLiteral("修改"));
            QMessageBox::warning(this, QStringLiteral("读取设备配置"),
                                 QStringLiteral("远端配置列表中未找到 device_manager.pb.txt。"));
            return;
        }
        m_overviewReadQueue.prepend(m_managerPath);
        readNextOverviewConfiguration();
        return;
    }
    const QSignalBlocker blocker(m_fileList);
    m_fileList->clear();
    clearCurrentFile();
    for (const QVariant &value : files) {
        const QVariantMap file = value.toMap();
        const QString path = file.value(QStringLiteral("relativePath")).toString();
        auto *item = new QListWidgetItem(path, m_fileList);
        item->setData(kPathRole, path);
        item->setToolTip(QStringLiteral("%1\n%2 bytes\n%3")
            .arg(file.value(QStringLiteral("messageType")).toString())
            .arg(file.value(QStringLiteral("sizeBytes")).toULongLong())
            .arg(QDateTime::fromMSecsSinceEpoch(
                file.value(QStringLiteral("modifiedUnixMs")).toLongLong()).toString(Qt::ISODate)));
    }
    m_rootLabel->setText(QStringLiteral("远端根目录：%1").arg(configRoot));
    setStatus(QStringLiteral("已读取 %1 个配置文件").arg(files.size()));
    updateActions();
}

void ConfigEditorWidget::handleFileReceived(const QString &relativePath,
                                            const QString &content,
                                            const QString &revision,
                                            const QString &messageType,
                                            bool success, const QString &detail)
{
    setBusy(false);
    if (m_overviewLoading && relativePath == m_overviewCurrentRead) {
        if (!success) {
            m_overviewLoading = false;
            m_deviceEditButton->setEnabled(true);
            m_deviceEditButton->setText(QStringLiteral("修改"));
            QMessageBox::warning(this, QStringLiteral("读取设备配置"),
                                 detail.isEmpty() ? QStringLiteral("读取 %1 失败").arg(relativePath)
                                                  : detail);
            return;
        }
        m_overviewContents.insert(relativePath, content);
        m_overviewRevisions.insert(relativePath, revision);
        m_overviewMessageTypes.insert(relativePath, messageType);
        if (relativePath == m_managerPath) {
            m_managerContent = content;
            m_managerRevision = revision;
            m_managerMessageType = messageType;
        }
        readNextOverviewConfiguration();
        return;
    }
    if (!success) {
        setStatus(detail.isEmpty() ? QStringLiteral("读取配置文件失败") : detail, true);
        return;
    }
    m_loading = true;
    m_currentPath = relativePath;
    m_revision = revision;
    m_messageType = messageType;
    m_textEditor->setPlainText(content);
    m_textEditor->document()->setModified(false);
    m_loading = false;
    m_dirty = false;
    m_pathLabel->setText(relativePath);
    m_typeLabel->setText(QStringLiteral("消息类型：%1    版本：%2")
                         .arg(messageType, revision));
    rebuildFieldTree();
    rebuildEnableTable();
    setStatus(QStringLiteral("配置已加载"));
    updateActions();
}

void ConfigEditorWidget::handleValidationFinished(const QString &relativePath,
                                                  bool success,
                                                  const QString &detail)
{
    if (relativePath != m_currentPath)
        return;
    setBusy(false);
    setStatus(detail.isEmpty() ? (success ? QStringLiteral("配置有效")
                                         : QStringLiteral("配置无效")) : detail,
              !success);
}

void ConfigEditorWidget::handleSaveFinished(const QString &relativePath,
                                            const QString &revision,
                                            bool success,
                                            const QString &detail)
{
    if (m_overviewSaving && relativePath == m_overviewCurrentSave) {
        if (!success) {
            m_overviewSaving = false;
            m_deviceEditButton->setEnabled(true);
            m_deviceEditButton->setText(QStringLiteral("完成"));
            QMessageBox::critical(
                this, QStringLiteral("保存设备配置失败"),
                QStringLiteral("%1\n%2\n\n已成功保存的文件不会自动回滚，请刷新后再试。")
                    .arg(relativePath, detail.isEmpty() ? QStringLiteral("远端拒绝保存") : detail));
            return;
        }
        m_overviewRevisions.insert(relativePath, revision);
        saveNextOverviewConfiguration();
        return;
    }
    if (relativePath != m_currentPath)
        return;
    setBusy(false);
    if (!success) {
        setStatus(detail.isEmpty() ? QStringLiteral("保存失败") : detail, true);
        return;
    }
    m_revision = revision;
    m_dirty = false;
    m_textEditor->document()->setModified(false);
    m_typeLabel->setText(m_typeLabel->text().section(QStringLiteral("    版本："), 0, 0)
                         + QStringLiteral("    版本：") + revision);
    setStatus(QStringLiteral("已保存到远端项目配置文件"));
    updateActions();
}

void ConfigEditorWidget::handleEditorChanged()
{
    if (m_loading || m_currentPath.isEmpty())
        return;
    m_dirty = true;
    m_parseTimer->start();
    updateActions();
}

bool ConfigEditorWidget::parseFieldDocument()
{
    m_dynamicMessage.reset();
    m_dynamicFactory.reset();
    if (m_messageType.isEmpty() || m_textEditor->toPlainText().trimmed().isEmpty())
        return false;

    const auto *descriptor = google::protobuf::DescriptorPool::generated_pool()
        ->FindMessageTypeByName(m_messageType.toStdString());
    if (!descriptor)
        return false;
    m_dynamicFactory = std::make_unique<google::protobuf::DynamicMessageFactory>();
    const auto *prototype = m_dynamicFactory->GetPrototype(descriptor);
    if (!prototype)
        return false;
    m_dynamicMessage.reset(prototype->New());
    if (!google::protobuf::TextFormat::ParseFromString(
            m_textEditor->toPlainText().toStdString(), m_dynamicMessage.get())) {
        m_dynamicMessage.reset();
        return false;
    }
    return true;
}

void ConfigEditorWidget::appendMessageFields(QTreeWidgetItem *parent,
                                             google::protobuf::Message *message)
{
    if (!parent || !message)
        return;
    const auto *descriptor = message->GetDescriptor();
    const auto *reflection = message->GetReflection();
    using Field = google::protobuf::FieldDescriptor;

    for (int fieldIndex = 0; fieldIndex < descriptor->field_count(); ++fieldIndex) {
        const auto *field = descriptor->field(fieldIndex);
        const QString fieldName = QString::fromStdString(field->name());
        if (field->is_repeated()) {
            const int count = reflection->FieldSize(*message, field);
            if (count == 0) {
                auto *empty = new QTreeWidgetItem(parent);
                empty->setText(0, fieldName + QStringLiteral(" []"));
                empty->setText(1, QStringLiteral("<空>"));
                empty->setText(2, fieldTypeName(field));
                empty->setFlags(empty->flags() & ~Qt::ItemIsEditable);
                continue;
            }
            for (int index = 0; index < count; ++index) {
                auto *item = new QTreeWidgetItem(parent);
                item->setText(0, fieldName + QStringLiteral("[%1]").arg(index));
                item->setText(2, fieldTypeName(field));
                if (field->cpp_type() == Field::CPPTYPE_MESSAGE) {
                    item->setText(1, QStringLiteral("message"));
                    appendMessageFields(item,
                        reflection->MutableRepeatedMessage(message, field, index));
                    item->setExpanded(true);
                } else {
                    const QString value = scalarValue(message, field, index);
                    item->setText(1, value);
                    setItemMetadata(item, message, field, index, value);
                }
            }
            continue;
        }

        auto *item = new QTreeWidgetItem(parent);
        item->setText(0, fieldName);
        item->setText(2, fieldTypeName(field));
        if (field->cpp_type() == Field::CPPTYPE_MESSAGE) {
            if (reflection->HasField(*message, field)) {
                item->setText(1, QStringLiteral("message"));
                appendMessageFields(item, reflection->MutableMessage(message, field));
                item->setExpanded(true);
            } else {
                item->setText(1, QStringLiteral("<未设置>"));
                item->setFlags(item->flags() & ~Qt::ItemIsEditable);
            }
        } else {
            const QString value = scalarValue(message, field, -1);
            item->setText(1, value);
            setItemMetadata(item, message, field, -1, value);
        }
    }
}

void ConfigEditorWidget::rebuildFieldTree()
{
    const QSignalBlocker blocker(m_fieldTree);
    m_fieldTree->clear();
    if (!parseFieldDocument())
        return;

    auto *root = new QTreeWidgetItem(m_fieldTree);
    root->setText(0, m_messageType);
    root->setText(1, QStringLiteral("message"));
    root->setText(2, QStringLiteral("message"));
    root->setFlags(root->flags() & ~Qt::ItemIsEditable);
    appendMessageFields(root, m_dynamicMessage.get());
    root->setExpanded(true);
}

bool ConfigEditorWidget::applyFieldValue(QTreeWidgetItem *item, const QString &text)
{
    if (!item)
        return false;
    auto *message = reinterpret_cast<google::protobuf::Message *>(
        pointerValue(item->data(1, kMessageRole)));
    const auto *field = reinterpret_cast<const google::protobuf::FieldDescriptor *>(
        pointerValue(item->data(1, kFieldRole)));
    if (!message || !field)
        return false;
    const int index = item->data(1, kIndexRole).toInt();
    const QString value = text.trimmed();
    const auto *reflection = message->GetReflection();
    using Field = google::protobuf::FieldDescriptor;
    bool ok = true;

    auto setBool = [&](bool parsed) {
        if (field->is_repeated()) reflection->SetRepeatedBool(message, field, index, parsed);
        else reflection->SetBool(message, field, parsed);
    };
    switch (field->cpp_type()) {
    case Field::CPPTYPE_BOOL:
        if (value.compare(QStringLiteral("true"), Qt::CaseInsensitive) == 0 || value == QStringLiteral("1"))
            setBool(true);
        else if (value.compare(QStringLiteral("false"), Qt::CaseInsensitive) == 0 || value == QStringLiteral("0"))
            setBool(false);
        else ok = false;
        break;
    case Field::CPPTYPE_INT32: {
        const qlonglong number = value.toLongLong(&ok);
        if (ok) field->is_repeated() ? reflection->SetRepeatedInt32(message, field, index, static_cast<int32_t>(number))
                                     : reflection->SetInt32(message, field, static_cast<int32_t>(number));
        break;
    }
    case Field::CPPTYPE_INT64: {
        const qlonglong number = value.toLongLong(&ok);
        if (ok) field->is_repeated() ? reflection->SetRepeatedInt64(message, field, index, number)
                                     : reflection->SetInt64(message, field, number);
        break;
    }
    case Field::CPPTYPE_UINT32: {
        const qulonglong number = value.toULongLong(&ok);
        if (ok) field->is_repeated() ? reflection->SetRepeatedUInt32(message, field, index, static_cast<uint32_t>(number))
                                     : reflection->SetUInt32(message, field, static_cast<uint32_t>(number));
        break;
    }
    case Field::CPPTYPE_UINT64: {
        const qulonglong number = value.toULongLong(&ok);
        if (ok) field->is_repeated() ? reflection->SetRepeatedUInt64(message, field, index, number)
                                     : reflection->SetUInt64(message, field, number);
        break;
    }
    case Field::CPPTYPE_FLOAT: {
        const float number = value.toFloat(&ok);
        if (ok) field->is_repeated() ? reflection->SetRepeatedFloat(message, field, index, number)
                                     : reflection->SetFloat(message, field, number);
        break;
    }
    case Field::CPPTYPE_DOUBLE: {
        const double number = value.toDouble(&ok);
        if (ok) field->is_repeated() ? reflection->SetRepeatedDouble(message, field, index, number)
                                     : reflection->SetDouble(message, field, number);
        break;
    }
    case Field::CPPTYPE_STRING:
        if (field->is_repeated()) reflection->SetRepeatedString(message, field, index, text.toUtf8().toStdString());
        else reflection->SetString(message, field, text.toUtf8().toStdString());
        break;
    case Field::CPPTYPE_ENUM: {
        const auto *enumValue = field->enum_type()->FindValueByName(value.toStdString());
        if (!enumValue) {
            int number = value.toInt(&ok);
            enumValue = field->enum_type()->FindValueByNumber(number);
        }
        if (!enumValue) ok = false;
        else if (field->is_repeated()) reflection->SetRepeatedEnum(message, field, index, enumValue);
        else reflection->SetEnum(message, field, enumValue);
        break;
    }
    case Field::CPPTYPE_MESSAGE:
        ok = false;
        break;
    }
    return ok;
}

bool ConfigEditorWidget::syncFieldTreeToText()
{
    if (!m_dynamicMessage)
        return false;
    google::protobuf::TextFormat::Printer printer;
    std::string text;
    if (!printer.PrintToString(*m_dynamicMessage, &text))
        return false;
    m_loading = true;
    {
        const QSignalBlocker blocker(m_textEditor);
        m_textEditor->setPlainText(QString::fromStdString(text));
        m_textEditor->document()->setModified(true);
    }
    m_loading = false;
    return true;
}

void ConfigEditorWidget::handleFieldItemChanged(QTreeWidgetItem *item, int column)
{
    if (m_loading || column != 1 || !item || !item->data(1, kFieldRole).isValid())
        return;
    const QString previous = item->data(1, kPreviousValueRole).toString();
    if (!applyFieldValue(item, item->text(1)) || !syncFieldTreeToText()) {
        const QSignalBlocker blocker(m_fieldTree);
        item->setText(1, previous);
        setStatus(QStringLiteral("字段值格式无效，修改未应用"), true);
        return;
    }
    item->setData(1, kPreviousValueRole, item->text(1));
    m_dirty = true;
    updateActions();
    m_parseTimer->start();
}

void ConfigEditorWidget::rebuildEnableTable()
{
    rebuildFieldTree();
    m_enableTable->setRowCount(0);
    const ManagerKind kind = managerKindForPath(m_currentPath);
    m_editorTabs->setTabEnabled(2, kind != ManagerKind::None);
    if (kind == ManagerKind::None)
        return;

    const std::string text = m_textEditor->toPlainText().toStdString();
    QStringList ids;
    QStringList types;
    QStringList configFiles;
    QList<bool> enabledValues;
    bool parsed = false;
    if (kind == ManagerKind::Device) {
        cmvr::config::DeviceManagerRootConfig root;
        parsed = google::protobuf::TextFormat::ParseFromString(text, &root);
        if (parsed) {
            for (const auto &entry : root.device_manager().devices()) {
                ids.append(QString::fromStdString(entry.id()));
                types.append(QString::fromStdString(
                    cmvr::config::DeviceConfigEntry::DeviceType_Name(entry.type())));
                configFiles.append(QString::fromStdString(entry.config_file()));
                enabledValues.append(entry.enable());
            }
        }
    } else {
        cmvr::config::TaskManagerRootConfig root;
        parsed = google::protobuf::TextFormat::ParseFromString(text, &root);
        if (parsed) {
            for (const auto &entry : root.task_manager().tasks()) {
                ids.append(QString::fromStdString(entry.id()));
                types.append(QString::fromStdString(
                    cmvr::config::TaskConfigEntry::TaskType_Name(entry.type())));
                configFiles.append(QString::fromStdString(entry.config_file()));
                enabledValues.append(entry.enable());
            }
        }
    }
    if (!parsed) {
        setStatus(QStringLiteral("原始配置存在语法错误，启用项暂不可编辑"), true);
        return;
    }

    m_enableTable->setRowCount(ids.size());
    for (int row = 0; row < ids.size(); ++row) {
        m_enableTable->setItem(row, 0, readOnlyItem(ids.at(row)));
        m_enableTable->setItem(row, 1, readOnlyItem(types.at(row)));
        m_enableTable->setItem(row, 2, readOnlyItem(configFiles.at(row)));
        auto *container = new QWidget(m_enableTable);
        auto *switchLayout = new QHBoxLayout(container);
        switchLayout->setContentsMargins(8, 0, 8, 0);
        switchLayout->setAlignment(Qt::AlignCenter);
        auto *toggle = new QCheckBox(container);
        toggle->setObjectName(QStringLiteral("configEnableSwitch"));
        toggle->setChecked(enabledValues.at(row));
        toggle->setToolTip(enabledValues.at(row) ? QStringLiteral("点击停用")
                                                 : QStringLiteral("点击启用"));
        switchLayout->addWidget(toggle);
        m_enableTable->setCellWidget(row, 3, container);
        connect(toggle, &QCheckBox::toggled, this, [this, row, toggle](bool checked) {
            if (!replaceEnableValue(row, checked)) {
                const QSignalBlocker blocker(toggle);
                toggle->setChecked(!checked);
                setStatus(QStringLiteral("无法定位对应的 enable 字段"), true);
            }
        });
    }
}

bool ConfigEditorWidget::confirmDiscardChanges()
{
    if (!m_dirty)
        return true;
    const auto answer = QMessageBox::question(
        this, QStringLiteral("未保存的修改"),
        QStringLiteral("当前配置尚未保存，确定放弃修改吗？"),
        QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
    return answer == QMessageBox::Discard;
}

void ConfigEditorWidget::setBusy(bool busy)
{
    m_busy = busy;
    updateActions();
}

void ConfigEditorWidget::setStatus(const QString &text, bool error)
{
    m_statusLabel->setText(text);
    m_statusLabel->setStyleSheet(error ? QStringLiteral("color:#b42318;") : QString());
}

void ConfigEditorWidget::clearCurrentFile()
{
    m_loading = true;
    m_currentPath.clear();
    m_revision.clear();
    m_dirty = false;
    m_textEditor->clear();
    m_messageType.clear();
    m_dynamicFactory.reset();
    m_dynamicMessage.reset();
    m_fieldTree->clear();
    m_loading = false;
    m_pathLabel->setText(QStringLiteral("未选择配置文件"));
    m_typeLabel->setText(QStringLiteral("--"));
    m_enableTable->setRowCount(0);
    m_editorTabs->setTabEnabled(2, false);
    updateActions();
}

void ConfigEditorWidget::updateActions()
{
    const bool hasFile = !m_currentPath.isEmpty();
    m_refreshButton->setEnabled(m_connected && !m_busy);
    m_fileList->setEnabled(m_connected && !m_busy);
    m_textEditor->setEnabled(hasFile && m_connected && !m_busy);
    m_fieldTree->setEnabled(hasFile && m_connected && !m_busy);
    m_enableTable->setEnabled(hasFile && m_connected && !m_busy);
    m_reloadButton->setEnabled(hasFile && m_connected && !m_busy);
    m_validateButton->setEnabled(hasFile && m_connected && !m_busy);
    m_saveButton->setEnabled(hasFile && m_connected && m_dirty && !m_busy);
    m_connectButton->setEnabled(!m_busy);
}

bool ConfigEditorWidget::replaceEnableValue(int index, bool enabled)
{
    QString text = m_textEditor->toPlainText();
    const QRegularExpression expression(QStringLiteral("\\benable\\s*:\\s*(true|false)"));
    auto matches = expression.globalMatch(text);
    QRegularExpressionMatch target;
    int current = 0;
    for (; current <= index && matches.hasNext(); ++current)
        target = matches.next();
    if (!target.hasMatch() || current <= index)
        return false;
    QTextCursor cursor(m_textEditor->document());
    cursor.setPosition(target.capturedStart(1));
    cursor.setPosition(target.capturedEnd(1), QTextCursor::KeepAnchor);
    m_loading = true;
    cursor.insertText(enabled ? QStringLiteral("true") : QStringLiteral("false"));
    m_loading = false;
    m_dirty = true;
    m_textEditor->document()->setModified(true);
    updateActions();
    return true;
}

ConfigEditorWidget::ManagerKind ConfigEditorWidget::managerKindForPath(
    const QString &path) const
{
    const QString normalized = path.toLower();
    if (normalized == QStringLiteral("manager/device_manager.pb.txt"))
        return ManagerKind::Device;
    if (normalized == QStringLiteral("manager/task_manager.pb.txt"))
        return ManagerKind::Task;
    return ManagerKind::None;
}