syntax = "proto3";

package cmvr.api;

import "google/protobuf/timestamp.proto";

message DeviceLifecycle {
    enum Lifecycle {
        STATE_INIT = 0;
        STATE_READY = 1;
        STATE_RUNNING = 2;
        STATE_ERROR = 3;
        STATE_ESTOP = 4;
        STATE_STOP = 5;
    }
    Lifecycle state = 1;
}

message CommandHeader {
    message Request {
        string device_id = 1;                      // 目标设备名称
        google.protobuf.Timestamp timestamp = 2;     // 请求时间
    }

    message Feedback {
        bool success = 1;                             // 是否成功
        string error_message = 2;                     // 错误信息（成功时为空）
        google.protobuf.Timestamp timestamp = 3;      // 回复时间
    }
}

message AudioData {
    enum AudioFormat {
        PCM = 0;
        MP3 = 1;
        AAC = 2;
        WAV = 3;
    }
    bytes data = 1;
    int32 sample_rate = 2;
    int32 channels = 3;
    AudioFormat format = 4;
    string codec = 5;
    int64 pts = 6;
    int32 nb_samples = 7;
}

message ConfigParam {

    string param_name = 1;

    oneof param_value {
        int32 int_value = 2;     // 整数类型
        double double_value = 3; // 浮点数类型
        string string_value = 4; // 字符串类型
        bool bool_value = 5;     // 布尔类型
        bytes bytes_value = 6;   // 二进制数据类型
    }
}

message JsonDeviceCommand {
    message Request {
        CommandHeader.Request header = 1;
        string request_json = 2;
    }

    message Feedback {
        CommandHeader.Feedback header = 1;
        string response_json = 2;
    }
}