#pragma once

#include <QColor>
#include <QIcon>
#include <QPainter>
#include <QPixmap>

namespace UiIcons {

inline QPixmap tintedPixmap(const QString &resourcePath, const QColor &color,
                            int size = 18)
{
    const QPixmap source(resourcePath);
    if (source.isNull())
        return QPixmap();

    const QPixmap scaled = source.scaled(size, size, Qt::KeepAspectRatio,
                                         Qt::SmoothTransformation);
    QPixmap result(size, size);
    result.fill(Qt::transparent);
    QPainter painter(&result);
    painter.drawPixmap((size - scaled.width()) / 2,
                       (size - scaled.height()) / 2, scaled);
    painter.setCompositionMode(QPainter::CompositionMode_SourceIn);
    painter.fillRect(result.rect(), color);
    return result;
}

inline QIcon icon(const QString &resourcePath,
                  const QColor &normal = QColor(QStringLiteral("#46535f")),
                  const QColor &selected = QColor(QStringLiteral("#ffffff")),
                  const QColor &disabled = QColor(QStringLiteral("#9aa3ad")),
                  int size = 18)
{
    QIcon result;
    const QPixmap normalPixmap = tintedPixmap(resourcePath, normal, size);
    const QPixmap selectedPixmap = tintedPixmap(resourcePath, selected, size);
    const QPixmap disabledPixmap = tintedPixmap(resourcePath, disabled, size);
    result.addPixmap(normalPixmap, QIcon::Normal, QIcon::Off);
    result.addPixmap(selectedPixmap, QIcon::Active, QIcon::Off);
    result.addPixmap(selectedPixmap, QIcon::Normal, QIcon::On);
    result.addPixmap(selectedPixmap, QIcon::Active, QIcon::On);
    result.addPixmap(disabledPixmap, QIcon::Disabled, QIcon::Off);
    result.addPixmap(disabledPixmap, QIcon::Disabled, QIcon::On);
    return result;
}

} // namespace UiIcons