#include "TcpRequestHandler.h"
#include "Channel.h"
#include "Constant.h"
#include "Json.h"
#include "Log.h"
#include "Tool.h"
#include <QDir>
#include <QProcess>

extern const QList<Channel*> channelList;

TcpRequestHandler::TcpRequestHandler(QObject* parent)
    : QObject(parent)
{
}

void TcpRequestHandler::service(TcpRequest* request, TcpResponse* response)
{
    QString url = request->getUrl();
    response->setUrl(url);
    if (url == "/set_ip_addr") {
        this->setIpaddr(request, response);
    } else if (url == "/set_name") {
        this->setName(request, response);
    } else if (url == "/get_name") {
        this->getName(request, response);
    } else if (url == "/set_video_enc") {
        this->setVideoEnc(request, response);
    } else if (url == "/get_video_enc") {
        this->getVideoEnc(request, response);
    } else if (url == "/get_file_list") {
        this->getFileList(request, response);
    } else if (url == "/delete_file") {
        this->deleteFile(request, response);
    } else if (url == "/set_record_mode") {
        this->setRecordMode(request, response);
    } else if (url == "/set_playback_mode") {
        this->setPlaybackMode(request, response);
    } else if (url == "/reboot") {
        this->reboot(request, response);
    } else if (url == "/set_current_time") {
        this->setCurrentTime(request, response);
    } else {
        response->error("访问路径未找到");
    }
}

/**
 * @brief 设置盒子的ip
 * @param socket
 */
void TcpRequestHandler::setIpaddr(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap params = request->getBodyParams();
    QVariantMap netMap = Json::loadFile(Constant::NetConfigPath).toMap();

    if (params.contains("ip"))
        netMap["ip"] = params.value("ip");
    if (params.contains("mask"))
        netMap["mask"] = params.value("mask");
    if (params.contains("gateway"))
        netMap["gateway"] = params.value("gateway");

    Json::saveFile(netMap, Constant::NetConfigPath);
    reponse->success("修改ip地址成功，请重新连接");
    Tool::writeCom(Constant::NetScriptPath);
}

/**
 * @brief 设置盒子的名称
 * @param socket
 */
void TcpRequestHandler::setName(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap params = request->getBodyParams();
    if (params.isEmpty() || !params.contains("name")) {
        Log::error("setName params error, missing param \"name\"");
        reponse->error("名称不能为空");
        return;
    }
    QVariantMap cfg = Json::loadFile(Constant::ConfigurationPath).toMap();
    cfg["name"] = params.value("name");
    Json::saveFile(cfg, Constant::ConfigurationPath);
    reponse->success("设置名称成功");
}

/**
 * @brief 获取盒子名称
 */
void TcpRequestHandler::getName(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap config = Json::loadFile(Constant::ConfigurationPath).toMap();
    QString name = config["name"].toString();
    QString data = QString("url=get_name\r\nstatus=success\r\nname=%1").arg(name);
    reponse->success("获取盒子名称成功", name);
}

/**
 * @brief 设置视频录制参数
 * @param socket
 */
void TcpRequestHandler::setVideoEnc(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap params = request->getBodyParams();
    if (params.isEmpty() || !params.contains("interface")) {
        Log::error("setVideoEncode params error, missing param \"interface\"");
        reponse->error("缺少接口参数");
        return;
    }

    QString interface = params.value("interface").toString();
    Channel* chn = nullptr;
    for (Channel* c : channelList) {
        if (c->channelName == interface)
            chn = c;
    }
    if (chn) {
        // 修改分辨率和帧率
        // chn->videoEncoder->setData(params);
        // 更新配置文件
        QVariantMap cfg = Json::loadFile(Constant::ConfigurationPath).toMap();
        QVariantList interfaces = cfg.value("interface").toList();
        for (int i = 0; i < interfaces.length(); i++) {
            QVariantMap item = interfaces.at(i).toMap();
            if (item.value("name").toString() == interface) {
                QVariantMap encV = item.value("encV").toMap();
                if (params.contains("width"))
                    encV["width"] = params.value("width");
                if (params.contains("height"))
                    encV["height"] = params.value("height");
                if (params.contains("framerate"))
                    encV["framerate"] = params.value("framerate");
                item["encV"] = encV;
                interfaces.replace(i, item);
            }
        }
        cfg["interface"] = interfaces;
        Json::saveFile(cfg, Constant::ConfigurationPath);
        reponse->success("修改录制参数成功，重启后生效");
    } else {
        Log::error("set video encode params error, no such interface {}", interface.toStdString());
        reponse->error(QString("无对应接口: %1").arg(interface));
    }
}

/**
 * @brief 获取视频录制参数
 * @param socket
 */
void TcpRequestHandler::getVideoEnc(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap params = request->getBodyParams();

    if (params.contains("interface")) {
        QString interface = params.value("interface").toString();

        QVariantMap cfg = Json::loadFile(Constant::ConfigurationPath).toMap();
        QVariantList interfaces = cfg.value("interface").toList();

        QVariantMap targetInterfaceCfg;
        for (int i = 0; i < interfaces.length(); i++) {
            QVariantMap item = interfaces.at(i).toMap();
            if (item.value("name").toString() == interface) {
                targetInterfaceCfg = item;
            }
        }
        QVariantMap encodeV = targetInterfaceCfg.value("encV").toMap();
        reponse->success("", encodeV);
    } else {
        Log::error("getVideoEnc params error, missing param \"interface\"");
        reponse->error("缺少接口参数");
        return;
    }
}

/**
 * @brief 获取文件列表
 * @param socket
 */
void TcpRequestHandler::getFileList(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap params = request->getBodyParams();
    if (params.isEmpty() || !params.contains("interface")) {
        Log::error("getFileList params error, missing param \"interface\"");
        reponse->error("缺少接口参数");
        return;
    }

    QString interface = params.value("interface").toString();
    QString videoPath = QString("%1/%2").arg(Constant::VideoPath).arg(interface);

    QStringList videoList = Tool::getFileList(videoPath);
    // 如果最后一个文件名是当前正在录制的文件名，则去除
    if (videoList.last() == Channel::curRecordFilename) {
        videoList.pop_back();
    }
    reponse->success("获取文件成功", videoList);
}

/**
 * @brief 删除文件
 * @param socket
 */
void TcpRequestHandler::deleteFile(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap params = request->getBodyParams();
    if (!params.contains("interface") || !params.contains("filename")) {
        Log::error("deleteFile params error, missing params \"interface\" or \"filename\"");
        reponse->error("缺少端口或文件名");
        return;
    }

    QString interface = params.value("interface").toString();
    QString fileName = params.value("filename").toString();
    // xxx.mp4  ==> xxx.jpg
    QString snapName = fileName.split(".")[0] + ".jpg";

    QString filePath = QString("%1/%2/%3").arg(Constant::VideoPath).arg(interface).arg(fileName);
    QFile video(filePath);
    if (video.exists()) {
        video.remove();
        Log::info("remove video {}", filePath.toStdString());
        reponse->success("删除成功");
    } else {
        Log::error("error, file: {} dont exist", filePath.toStdString());
        reponse->error("文件不存在");
    }
}

/**
 * @brief 设置录制模式，一路录制/两路录制，只修改配置文件，重启之后生效
 * @param socket
 */
void TcpRequestHandler::setRecordMode(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap params = request->getBodyParams();
    if (!params.contains("recordMode")) {
        Log::error("setRecordMode params error, missing param \"recordMode\"");
        reponse->error("缺少录制模式参数");
        return;
    }
    int recordMode = params.value("recordMode").toInt();
    if (recordMode != Constant::OneChannelRecord
        && recordMode != Constant::TwoChannelRecord
        && recordMode != Constant::NoChannelRecord) {
        Log::error("setRecordMode params error, unkown param \"recordMode\": {}", recordMode);
        reponse->error("录制参数错误");
        return;
    }

    QVariantMap cfg = Json::loadFile(Constant::ConfigurationPath).toMap();
    int mode = cfg["recordMode"].toInt();
    if (recordMode == mode) {
        Log::info("record mode has not changed, there is nothing need to do");
        reponse->success("录制参数无需改变");
        return;
    }
    // 更新配置文件
    cfg["recordMode"] = recordMode;
    Json::saveFile(cfg, Constant::ConfigurationPath);
    reponse->success("设置录制参数成功， 重启后生效");
}

/**
 * @brief 设置回放模式， 一路回放/两路同时回放，只修改配置文件，重启之后生效
 * @param socket
 */
void TcpRequestHandler::setPlaybackMode(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap params = request->getBodyParams();
    if (!params.contains("playbackMode")) {
        Log::error("setPlaybackMode params error, missing param \"playbackmode\"");
        reponse->error("缺少回放模式参数");
        return;
    }
    int playbackMode = params.value("playbackMode").toInt();
    if (playbackMode != Constant::OneChannelPlayback
        && playbackMode != Constant::TwoChannelPlayback) {
        Log::error("setPlayBack params error, unkown param \"playbackMode\": {}", playbackMode);
        reponse->error("回放模式参数错误");
        return;
    }

    QVariantMap cfg = Json::loadFile(Constant::ConfigurationPath).toMap();
    int mode = cfg["playbackMode"].toInt();
    ;
    if (playbackMode == mode) {
        Log::info("record mode has not changed, there is nothing need to do");
        reponse->success("回放参数无需改变");
        return;
    }
    // 跟新配置文件
    cfg["playbackMode"] = playbackMode;
    Json::saveFile(cfg, Constant::ConfigurationPath);
    reponse->success("修改回放模式成功，重启后生效");
}

/**
 * @brief 重启程序
 * @param socket
 */
void TcpRequestHandler::reboot(TcpRequest* request, TcpResponse* reponse)
{
    // 先停止所有的录制
    for (Channel* chn : channelList) {
        chn->stopRecord();
    }
    reponse->success("重启成功");

    // 退出程序，等待后台运行的shell脚本重启程序
    exit(0);
}

/**
 * @brief 设置当前开发板时间，进行时间同步
 * @param socket
 */
void TcpRequestHandler::setCurrentTime(TcpRequest* request, TcpResponse* reponse)
{
    QVariantMap params = request->getBodyParams();
    if (!params.contains("time")) {
        Log::error("setCurrentTime params error, missing params \"time\"");
        reponse->error("缺少时间参数");
        return;
    }

    QString time = params.value("time").toString();
    QString cmd = QString("/link/bin/rtc -s time %1").arg(time);
    QString result = Tool::writeCom(cmd);
    // 修改成功会返回类似信息, "Tue Mar  5 15:51:18 CST 2024"
    if (result.isEmpty()) {
        reponse->error("时间同步失败");
        return;
    } else {
        reponse->success("时间同步成功");
    }
}