#ifndef _VOLC_RTC_PROTOCOL_H_
#define _VOLC_RTC_PROTOCOL_H_

#include "protocol.h"
#include "volc_rtc.h"
#include "base/volc_device_manager.h"
#include <freertos/FreeRTOS.h>
#include <freertos/event_groups.h>
#include <mutex>
#include <vector>

class VolcRtcProtocol : public Protocol {
public:
    VolcRtcProtocol();
    ~VolcRtcProtocol();

    void Start() override;
    void SendAudio(const std::vector<uint8_t>& data) override;// 🔊 发送音频数据到RTC
    void SendPcm(const std::vector<uint8_t>& data) override;// 🔊 发送PCM音频数据到RTC
    void SendG711A(const std::vector<uint8_t>& data) override;// 🔊 发送G711A音频数据到RTC
    bool OpenAudioChannel() override;// 🔊 打开音频通道
    void CloseAudioChannel() override;// 🔊 关闭音频通道
    bool IsAudioChannelOpened() const override;// 🔊 检查音频通道是否已打开
    void SendAbortSpeaking(AbortReason reason) override;// 🔊 发送中止通话请求
    void SendStartListening(ListeningMode mode) override;// 🔊 发送开始监听请求
    void SendTextMessage(const std::string& text) override;// 🔊 发送文本消息到RTC
    void SendFunctionResult(const std::string& tool_call_id, const std::string& content) override;// 🔊 发送函数调用结果到RTC

    /**
     * @brief 设置Agent配置参数（如音色、提示词等）
     * @param params JSON格式的配置参数字符串
     */
    void SetAgentConfig(const std::string& params);

private:
    EventGroupHandle_t event_group_handle_;
    volc_rtc_t rtc_handle_ = nullptr;
    std::mutex rtc_mutex_;
    std::string extra_params_; // 存储额外的Agent配置参数

    bool is_connected_ = false;
    bool is_audio_channel_opened_ = false;
    bool iot_ready_ = false;
    volc_iot_info_t iot_info_ = {};
    size_t opus_bytes_accum_ = 0;
    size_t pcm_bytes_accum_ = 0;
    size_t g711a_bytes_accum_ = 0;
    size_t down_pcm_bytes_accum_ = 0;
    size_t down_opus_bytes_accum_ = 0;
    int opus_frames_accum_ = 0;
    int pcm_frames_accum_ = 0;
    int g711a_frames_accum_ = 0;
    uint64_t uplink_last_log_us_ = 0;
    std::vector<uint8_t> pcm_pending_;
    std::vector<uint8_t> g711a_pending_;
    bool first_downlink_logged_ = false;

    static void MessageCallback(void* context, volc_msg_t* message);
    static void DataCallback(void* context, const void* data, size_t len, volc_data_info_t* info);

    void ParseServerMessage(const char* message);
    void ProcessAudioData(const void* data, int size);
    void SendText(const std::string& text) override;
    void LogUplinkStatsMaybe();// 打印上传统计信息
    void SendCtrl(const std::string& json);// 🔊 发送控制指令到RTC
    void SendFunc(const std::string& json);// 🔊 发送函数调用指令到RTC
};

#endif