#include "RTCContext.h"

void RTCContext::onRoom(uint32_t typeId, RTCENGINE_NAMESPACE::MRTCRoomInfo& roomInfo) {
    //std::cout << "RTCContext::onRoom():" << roomInfo.roomId << "," << roomInfo.displayName << "," << roomInfo.userId << "," << roomInfo.message;
    std::cout << "RTCContext::onRoom()" << std::endl;
    std::lock_guard<std::mutex> lock(mutex_);
    isOnRoom_ = true;
}
void RTCContext::onConsumer(uint32_t msgId, const char* roomId, const char* peerId, RTCENGINE_NAMESPACE::MRTCConsumerInfo& consumerInfo) {
    //std::cout << "RTCContext::onConsumer()" << std::endl;
    std::cout << "RTCContext::onConsumer():msgId:" << msgId << ", roomId:" << consumerInfo.roomId << ", displayName:"
              << consumerInfo.displayName << ", channelIndex" << (int)consumerInfo.channelIndex;
    std::lock_guard<std::mutex> lock(mutex_);
    isOnConsumer_ = true;
    std::cout << "registerSoundLevelListener" << std::endl;
    int16_t ret1 = rtcEngine_->registerSoundLevelListener(mrtc::TYPE_AUDIO_SOURCE_CUSTOM, roomId,
                                                          peerId, consumerInfo.channelIndex, this);
    if (0 != ret1)
    {
        std::cout << "RTCContext::instance().registerSoundLevelListener() inUser failed, ret:" << ret1;
        return;
    }

    std::cout << "muteAudio" << std::endl;
    int16_t ret2 = rtcEngine_->muteAudio(roomId, peerId, mrtc::TYPE_AUDIO_SOURCE_CUSTOM,
                                         false, consumerInfo.channelIndex);
    if (0 != ret2)
    {
        std::cout << "RTCContext::instance().muteAudio() failed, ret:" << ret2;
        return;
    }

    std::cout << "init recv succ" << std::endl;
}
void RTCContext::onRender(const char* roomId, const char* peerId,
                          RTCENGINE_NAMESPACE::MRTCVideoSourceType sourceType, const RTCENGINE_NAMESPACE::MRTCVideoFrame& videoFrame) {
    std::cout << "RTCContext::onRender()" << std::endl;
}
void RTCContext::onCallBackMessage(uint32_t msgId, const char* msg) {

    std::lock_guard<std::mutex> lock(mutex_);
    if (msgId == (uint32_t)mrtc::JOIN_MULTI_ROOM_SUCCESS) {
        std::cout << "receive join multi room callback" << msgId;
        isJoinMultiRoom_ = true;
    }

    std::cout << "RTCContext::onCallBackMessage(), msgId:" << msgId << ", msg:" << msg;
    //std::cout << "RTCContext::onCallBackMessage()" << std::endl;
}
void RTCContext::onCallBackCustomData(RTCENGINE_NAMESPACE::MRTCCustomDataObject object) {
    //std::cout << "RTCContext::onCallBackCustomData(), obj:" << object.peerId << "," << object.data << "," << object.data_length;
    std::cout << "RTCContext::onCallBackCustomData()" << std::endl;
}
void RTCContext::onSoundLevelUpdate(const char* roomId, const char* peerId, uint16_t audioSourceType,
                                    uint8_t channelIndex, uint16_t volume, int32_t vad)
{
    std::cout << "RTCContext::onSoundLevelUpdate()" << std::endl;
}

void printTimestamp() {
    // 获取系统当前时间点
    auto now = std::chrono::system_clock::now();

    // 转换为时间戳（秒 + 毫秒）
    auto timestamp = std::chrono::duration_cast<std::chrono::seconds>(
            now.time_since_epoch()).count();
    auto milliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(
            now.time_since_epoch()).count() % 1000;

    // 转换为本地时间（可读格式）
    std::time_t time = std::chrono::system_clock::to_time_t(now);
    std::cout << "Timestamp: " << timestamp << "." << milliseconds << std::endl;
}
void RTCContext::onAudioProcess(const char* roomId, const char* peerId,
                                mrtc::MRTCAudioFrame& audioFrame,
                                mrtc::MRTCAudioSourceType audioSourceType)
{
    setData(audioFrame);
}

void RTCContext::onProducer(uint32_t msgId, mrtc::MRTCProducerInfo& info)
{
    std::cout << "-----------------------------------" << std::endl;
    std::cout << "RTCContext::onProducer()" << std::endl;
}
bool RTCContext::init(const char* selfUserId, const char* selfDisplayName, const char* selfRoomId)
{
    mrtc::IMRTCEngineFactory * rtcFactory = mrtc::getMRTCEngineFactory();
    if (!rtcFactory)
    {
        return false;
    }
    rtcEngine_ = rtcFactory->produceMRTCEngine();
    if (!rtcEngine_)
    {
        return false;
    }
    mrtc::MRTCEngineConfig engineConfig;
    strcpy(engineConfig.domain, domain);
    strcpy(engineConfig.applicationId, appid);
    strcpy(engineConfig.appSecrectKey, appSecrectKey);
    engineConfig.port = port;
    if (0 != rtcEngine_->init(engineConfig, this))
    {
        std::cout << "RTCContext::instance().init() failed" << std::endl;
        return false;
    }

    if (0 != rtcEngine_->setUserInfo(selfUserId, selfDisplayName, selfRoomId))
    {
        std::cout << "RTCContext::instance().setUserInfo() failed" << std::endl;
        return false;
    }
    mrtc::MRTCJoinAuthority authority;
    strcpy(authority.applicationId, appid);
    strcpy(authority.appSecretKey, appSecrectKey);
    mrtc::MRTCJoinConfig loginConfig;
    if (0!= rtcEngine_->joinRoom(authority, loginConfig))
    {
        std::cout << "RTCContext::instance().joinRoom() failed" << std::endl;
        return false;
    }
    if (0 != rtcEngine_->registerListener(mrtc::MRTCListenerType::TYPE_LISTENER_ROOM, this))
    {
        std::cout << "RTCContext::instance().registerListener() failed" << std::endl;
        return false;
    }
    if (0 != rtcEngine_->registerListener(mrtc::MRTCListenerType::TYPE_LISTENER_CONSUMER, this))
    {
        std::cout << "RTCContext::instance().registerListener() failed" << std::endl;
        return false;
    }

    return true;
}
bool RTCContext::initRecv(const char* destRoomId, const char* srcUserId, const int16_t destChannelIndex)
{
    while (!isOnConsumer_)
    {
        std::cout << "wait for OnConsumer" << std::endl;
        sleep(3);
    }
    return true;

}
bool RTCContext::initSend(const char* srcRoomId, const char* destRoomId, const int16_t destChannelIndex,
                          const uint8_t channelNum)
{
    while (!isOnRoom_)
    {
        std::cout << "wait for OnRoom" << std::endl;
        sleep(3);
    }
    if (std::string(srcRoomId) != std::string(destRoomId)) {
        isMultiRoom_ = true;
        std::cout << "join multi room" << std::endl;
        int16_t ret1 = rtcEngine_->joinMultiRoom(destRoomId);
        if (ret1 != 0)
        {
            std::cout << "joinMultiRoom fail, ret:" << ret1;
            return false;
        }
    } else {
        isMultiRoom_ = false;
    }

    mrtc::MRTCAudioOption option;
    if (std::string(srcRoomId) != std::string(destRoomId)) {
        strcpy(option.dstRoomId, destRoomId);
    }
    option.channelIndex = destChannelIndex;
    option.channel = channelNum;
    std::cout << "startCustomAudio" << std::endl;
    int16_t ret2 = rtcEngine_->startCustomAudio(option);
    if (ret2 != 0)
    {
        std::cout << "startCustomAudio fail, ret:" << ret2;
        return false;
    }
    std::cout << "init send succ" << std::endl;
    return true;
}

void RTCContext::destorySend(const int16_t selfChannelIndex)
{
    rtcEngine_->stopCustomAudio(selfChannelIndex);
}
int16_t RTCContext::sendAudioData(uint8_t channelIndex, const void* pData, int32_t nSampleRate, uint64_t nNumberOfChannels, uint64_t dataLength)
{
    std::lock_guard<std::mutex> lock(mutex_);
    if (pData_)
    {
        return rtcEngine_->sendCustomAudioData(channelIndex, pData, nSampleRate, nNumberOfChannels, dataLength);
    }
    return 0;
}
int16_t RTCContext::sendCustomAudioData(const int16_t channelIndex, void* customData, int32_t sampleRate,
                                        uint64_t channelNum, uint64_t dataLen)
{
    while(!isOnRoom_ || (isMultiRoom_ && !isJoinMultiRoom_)) {
        std::cout << "wait for room and multi room before send" << std::endl;
        sleep(3);
    }
    std::lock_guard<std::mutex> lock(mutex_);
    if (customData == nullptr) {
        std::cout << "customData is null" << std::endl;
        return -1;
    }
    std::cout << "customData addr is:" << customData << std::endl;
    return rtcEngine_->sendCustomAudioData(channelIndex, customData, sampleRate, channelNum, dataLen);
}
mrtc::IMRTCEngine* RTCContext::getRtcEngine() const
{
    std::lock_guard<std::mutex> lock(mutex_);
    return rtcEngine_;
}
void* RTCContext::getpData() const
{
    std::lock_guard<std::mutex> lock(mutex_);
    return pData_;
}
void RTCContext::setpData(void* pData)
{
    std::lock_guard<std::mutex> lock(mutex_);
    pData_ = pData;
}
void RTCContext::setPyCallback(py::object callback) {
    std::lock_guard<std::mutex> lock(mutex_);
    pyCallback_ = callback;
}

void RTCContext::setData(const mrtc::MRTCAudioFrame& frame) {
    std::lock_guard<std::mutex> lock(dataMutex_);
    if (dataSize_ == totalSize_) {
        bottom_ = (bottom_ + 1) % totalSize_;
        dataSize_--;
    }
    RetAudioFrame newFrame;
    newFrame.dataCount = frame.dataCount;
    newFrame.sampleRate = frame.sampleRate;
    newFrame.numChannels = frame.numChannels;
    newFrame.channelIndex = frame.channelIndex;
    newFrame.data = std::make_unique<int16_t[]>(frame.dataCount);
    std::memcpy(newFrame.data.get(), frame.data, frame.dataCount* sizeof(int16_t));
    data_[head_] = std::move(newFrame);
    head_ = (head_ + 1) % totalSize_;
    dataSize_++;

}

RetAudioFrame RTCContext::getData() {
    //std::lock_guard<std::mutex> lock(dataMutex_);
    if (dataSize_ > 0) {
        RetAudioFrame frame = std::move(data_[bottom_]); // 移动而非拷贝
        bottom_ = (bottom_ + 1) % totalSize_;
        dataSize_--;
        return frame; // 返回值优化(RVO)会生效
    }
    return {}; // 返回空对象
}
np::ndarray RTCContext::getNumpyData() {
    std::cout << "step1" << std::endl;
    std::lock_guard<std::mutex> lock(dataMutex_);
    RetAudioFrame frame = getData();
    std::cout << "step2" << std::endl;
    int16_t* dataPtr = frame.data.get();  // 你的数据指针
    std::cout << "step3" << std::endl;
    size_t length = frame.dataCount;    // 数据长度
    std::cout << "step4" << std::endl;
    if (!dataPtr || length == 0) {
        return py::array_t<int16_t>({0});  // 返回空数组
    }

    // 直接构造 pybind11 的 NumPy 数组（自动管理内存）
    py::array_t<int16_t> result({static_cast<py::ssize_t>(length)});
    auto buf = result.mutable_unchecked();
    for (size_t i = 0; i < length; i++) {
        buf[i] = dataPtr[i];
    }
    return result;
}
py::list RTCContext::getListData() {
    std::lock_guard<std::mutex> lock(dataMutex_);
    RetAudioFrame frame = getData();
    py::list result;
    if (frame.data) {
        for (int i = 0; i < frame.dataCount; i++) {
            result.append(frame.data.get()[i]);
        }
    }
    return result;
}
int16_t RTCContext::getDataCount() {
    std::lock_guard<std::mutex> lock(dataMutex_);
    RetAudioFrame frame = getData();
    return frame.dataCount;
}
int16_t RTCContext::getSize() {
    std::lock_guard<std::mutex> lock(dataMutex_);
    return dataSize_;
}