#ifndef _TS_PACKER_H_
#define _TS_PACKER_H_

#include <string>
#include <ctime>
#include <chrono>
#include <string>
#include <sstream>
#include <iomanip>
#include <iostream>
#include <thread>
#include <math.h>
#include <stdlib.h>
#include <atomic>

extern "C"
{
#include "libavcodec/avcodec.h"
#include "libavformat/avformat.h"
#include "libavdevice/avdevice.h"
#include "libavutil/mathematics.h"
#include "libavutil/avstring.h"
#include "libavutil/mem.h"
#include "libswscale/swscale.h"
#include "libavutil/imgutils.h"
}
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
//#include <unistd.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
//#include <sys/time.h>
#include <stdint.h>
#include <QDebug>
#include "commondefine.h"
#include "Arith_zhryp.h"

#include <QJsonDocument>
#include <QJsonObject>
#include <QFile>

#define JADER_360(x)    (x * 360.0 / 65535.0)
#define JADER_180(x)    (x * 180.0 / 65535.0)
#define L2B_16Bit(data)     (((data) & 0xFF)<<8 | ((data)>>8 & 0xFF)) 
#define L2B_32Bit(data)     ((((data) & 0xFF) << 24) | ((((data) >> 8) & 0xFF) << 16) | ((((data) >> 16) & 0xFF) << 8) | (((data) >> 24) & 0xFF))

#pragma pack(push, 1)
//红外叠加参数结构体
typedef struct {
    //时间信息	
	uint16_t u16Year;  //年 字节7~8
	uint8_t u8Month;  //月 字节9
	uint8_t u8Day;   //日 字节10
	uint8_t u8Hour;  //时 字节11
	uint8_t u8Minute; //分 字节12
	uint8_t u8Second; //秒  字节13
	uint16_t u16Minisecond; //毫秒 字节14~15
    //平台信息：即惯导信息	
	uint8_t u8PlatType;  //平台类型  字节16
	uint16_t u16PlatNumber; //平台编号 字节17~18
	int16_t s16PlatYaw;   //平台航向角 字节19~20
	int16_t s16PlatPitch;   //平台俯仰角 字节21~22
	int16_t s16PlatRoll;   //平台横滚角  字节23~24
	int32_t s32PlatLongitude;  //平台经度 字节25~28
	int32_t s32PlatLatitude;   //平台维度  字节29~32
	int16_t s16PlatHeight;    //平台高度  字节33~34
	int16_t s16PlatEastV;  //平台东向速度 字节35~36
	int16_t s16PlatNorthV;  //平台北向速度 字节37~38
	int16_t s16PlatUpV;  //平台天向速度 字节39~40  34
    //传感器信息
	uint8_t u8SensorType;  //传感器类型 字节41
	uint16_t u16SensorNumber; //传感器编号 字节42~43
	uint8_t u8SensorSelect;  //传感器选择回报代号（非必填项）字节44
	uint16_t u16SensorHView; //传感器水平视场角 字节45~46
	uint16_t u16SensorVView; //传感器垂直视场角 字节47~48
	uint8_t u8SensorWorkMode;  //传感器工作模式 字节49
	int16_t mSensorYaw;   //字节50~51 伺服方位角：传感器光轴相对安装平面航向角
	int16_t mSensorPitch;   //字节52~53 伺服俯仰角：传感器光轴相对安装平面俯仰角
	int16_t mSensorRoll;   //字节54~55 伺服横滚角：传感器光轴相对安装平面滚转角
	uint16_t u16LsDistance; //字节56~57 激光测距值
	int32_t s32MarkLongitude;  //字节58~61 目标定位经度 
	int32_t s32MarkLatitude;   //字节62~65 目标定位维度  
	int16_t s16MarkHeight;    //字节66~67 目标定位高度  
	uint16_t mFrameYaw;   //字节68~69 传感器框架角在航向上的补偿角度
	int16_t mFramePitch;   //字节70~71 传感器框架角在俯仰方向上的补偿角度
	int16_t mFrameRoll;   //字节72~73 传感器框架角在滚转方向上的补偿角度
	uint16_t s16SensorSynYaw;   //字节74~75 传感器综合航向角
	int16_t s16SensorSynPitch;   //字节76~77 传感器综合俯仰角
	int16_t s16SensorSynRoll;   //字节78~79 传感器综合滚转角
    //相机信息	
	int16_t s16CameraYaw;   //字节80~81 相机安装平面上的惯导测量得到的航向角
	int16_t s16CameraPitch;   //字节82~83 相机安装平面上的惯导测量得到的俯仰角
	int16_t s16CameraRoll;   //字节84~85 相机安装平面上的惯导测量得到的滚转角
    //7个红外视场角
	uint16_t u16IRViewFeild[7]; //字节86~99 7路红外视场角
    //帧计数
	uint8_t u8FrameCount;  //帧计数 字节100
} SendOutTOFC_t;
#pragma pack(pop)



class TsPacker
{
public:
    enum PACKER_TYPE{
        BINDATA = 0,
        VIDEO,
    };
    TsPacker(std::string &dst){
        int nRet = 0;
        avformat_network_init();

        printf("ts packer --- %s\n", dst.c_str());
        // open network format
        nRet = avformat_alloc_output_context2(&_format_ctx, 0, "mpegts", dst.c_str());
        if (nRet != 0)
        {
            std::cout << "Can not create output multicast stream." << std::endl;
        }

        AVOutputFormat *ofmt = _format_ctx->oformat;
        AVCodec *codec = avcodec_find_encoder(ofmt->video_codec);

        av_opt_set(_format_ctx->priv_data, "mpegts_flags", "pat_pmt_at_frames", 0);
        _video_stream = avformat_new_stream(_format_ctx, codec);
        _video_stream->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
        _video_stream->codecpar->codec_id = AV_CODEC_ID_H264;
        _video_stream->codecpar->format = AV_PIX_FMT_YUV420P;
        _video_stream->codecpar->bit_rate = _vbit_rate;
        _video_stream->codecpar->width = 1280;
        _video_stream->codecpar->height = 1024;
        _video_stream->id = mvstream_id;
        _video_stream->avg_frame_rate = {25, 1};
        _video_stream->sample_aspect_ratio.den = 1;
        _video_stream->sample_aspect_ratio.num = 1;
        _video_stream->start_time = 0;
        _video_stream->r_frame_rate.den = 1;
        _video_stream->r_frame_rate.num = 25;
        _video_stream->nb_frames = 0;

        _format_ctx->bit_rate = _vbit_rate;
        _format_ctx->duration_estimation_method = AVFMT_DURATION_FROM_PTS;
        if (_format_ctx->oformat->flags & AVFMT_GLOBALHEADER)
            _format_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;

        #if 1
        // telemetry stream
        _telem_stream = avformat_new_stream(_format_ctx, 0);
        _telem_stream->codecpar->codec_id = AV_CODEC_ID_BIN_DATA;
        _telem_stream->codecpar->codec_type = AVMEDIA_TYPE_DATA;
        _telem_stream->id = mtstream_id;
        _telem_stream->time_base = {1, 25};
        #endif
        nRet = avio_open(&_format_ctx->pb, dst.c_str(), AVIO_FLAG_WRITE);
        if (nRet != 0)
        {
            avformat_close_input(&_format_ctx);
            std::cout << "Can not open URL for output." << std::endl;
        }

        nRet = avformat_write_header(_format_ctx, 0);

        _video_pkg = av_packet_alloc();
        _telem_pkg = av_packet_alloc();

        QFile file("./config.json");
        if(file.open(QIODevice::ReadOnly)){
            char buf[160] = {0};
            int ret = file.read(buf, 160);
            std::cout << buf <<std::endl;
            QJsonDocument js = QJsonDocument::fromJson(QByteArray(buf));
            QJsonObject obj = js.object();
            _type = obj.value("type").toInt();
            _roll = obj.value("roll").toDouble();
            _pitch = obj.value("pitch").toDouble();
            _yaw = obj.value("yaw").toDouble();

            if(_type){
                QJsonObject ztobj = obj.value("zt").toObject();
                _zt_yaw = ztobj.value("yaw").toDouble();
                _zt_pitch = ztobj.value("pitch").toDouble();
                _zt_roll = ztobj.value("roll").toDouble();
                std::cout <<"pitch: "<< _zt_pitch <<", roll:" << _zt_roll<< ", yaw:" << _zt_yaw<< std::endl;
            }
            std::cout <<"pitch: "<< _pitch <<", roll:" << _roll<< std::endl;
        }
        file.close();
    }

    ~TsPacker(){
        av_write_trailer(_format_ctx);

        if (_format_ctx)
            avformat_free_context(_format_ctx);

        av_packet_free(&_video_pkg);
        av_packet_free(&_telem_pkg);
        // release
        avformat_network_deinit();
    }

    int init(int width, int height){
        return 0;
    }

    static bool translatPackage(SendOutTOFC_t * src, std::vector<unsigned char> &result, unsigned int &resultSize){
        telemetryData telem;
        getTelemFromParam(src, telem);
        return telemCodec::telemEncode(telem, result, resultSize);
    }

    static int large_2_little(unsigned short* src, int size){
        for(int i=0; i<size; i++){
            src[i] = L2B_16Bit(src[i]);
        }
        return 0;
    }

    int parseAngle(telemetryData *telem){
        sRPYCacl::stTrackPlatInfo track;
        track.fPlatAz = telem->mDroneYaw;  //飞机惯导航向角
        track.fPlatPt = telem->mDronePitch; //载荷2倾角传感器俯仰角
        track.fPlatRoll = telem->mDroneRoll;//载荷2倾角传感器横滚角
        track.fServoAz = telem->mFrameYaw + _yaw;      //载荷2伺服的方位角
        track.fServoPt = telem->mFramePitch + _pitch;       //载荷2伺服的俯仰角
        track.fRoll = telem->mFrameRoll + _roll;
        sRPYCacl::EulerRPY  S_RPY1 = Zh_dRPYDown(track);
        telem->mInnerInertiaYaw = S_RPY1.Yaw;
        telem->mInnerInertiaPitch = S_RPY1.Pitch;
        telem->mInnerInertiaRoll = S_RPY1.Roll;
        return 0;
    }

    int demuxer(AVPacket *packet, int type){
//        std::cout<<"demuxer:"<<type<<std::endl;
        if(type == VIDEO){
            av_init_packet(_video_pkg);
            _video_pkg->pts = packet->pts;
            _video_pkg->duration = 40;
            _video_pkg->stream_index = _video_stream->index;
            _video_pkg->data = packet->buf->data + 6;
            _video_pkg->size = packet->buf->size - 6;

            int ret = av_interleaved_write_frame(_format_ctx, _video_pkg);
            if(ret){
                printf("failed to write frame -----------%d img size= %d\n", ret, packet->buf->size);
            }
            av_packet_unref(_video_pkg);

        }else if(type == BINDATA){
            //decode
            telemetryData aTelem;
            memset(&aTelem, 0, sizeof(telemetryData));
            telemCodec::telemDecode(packet->buf->data, packet->buf->size, aTelem);

            if(_type == 0){
                parseAngle(&aTelem);
            }else{
                aTelem.mInnerInertiaYaw += _zt_yaw;
                aTelem.mInnerInertiaPitch += _zt_pitch;
                aTelem.mInnerInertiaRoll += _zt_roll;
            }
            //encode
            std::vector<unsigned char> telemData;
            unsigned int dataSize = 0;
            if(telemCodec::telemEncode(aTelem, telemData, dataSize))
            {
                av_init_packet(_telem_pkg);
                _telem_pkg->stream_index = _telem_stream->index;
                _telem_pkg->data = &telemData[0];
                _telem_pkg->size = dataSize;
                _telem_pkg->pts = packet->pts;
                _telem_pkg->duration = 40;
                av_write_frame(_format_ctx, _telem_pkg);
                av_packet_unref(_telem_pkg);
            }
        }
    }

    int demuxer(uint8_t *img, int img_size, int64_t pts, int type){
        if(type == VIDEO){
            av_init_packet(_video_pkg);
            _video_pkg->pts = pts;
            _video_pkg->duration = 40;
            _video_pkg->stream_index = _video_stream->index;
            _video_pkg->data = img;
            _video_pkg->size = img_size;

            int ret = av_write_frame(_format_ctx, _video_pkg);
            if(ret){
                printf("failed to write frame -----------%d img size= %d\n", ret, img_size);
            }
            av_packet_unref(_video_pkg);
        }else if(type == BINDATA){
            telemetryData aTelem;
            memset(&aTelem, 0, sizeof(telemetryData));
            telemCodec::telemDecode(img, img_size, aTelem);

            if(_type == 0){
                parseAngle(&aTelem);
            }else{
                aTelem.mInnerInertiaYaw += _zt_yaw;
                aTelem.mInnerInertiaPitch += _zt_pitch;
                aTelem.mInnerInertiaRoll += _zt_roll;
            }
            //encode
            std::vector<unsigned char> telemData;
            unsigned int dataSize = 0;
            if(telemCodec::telemEncode(aTelem, telemData, dataSize))
            {
                av_init_packet(_telem_pkg);
                _telem_pkg->stream_index = _telem_stream->index;
                _telem_pkg->data = &telemData[0];
                _telem_pkg->size = img_size;
                _telem_pkg->pts = pts;
                _telem_pkg->duration = 40;
                av_write_frame(_format_ctx, _telem_pkg);
                av_packet_unref(_telem_pkg);
            }
        }
        mBase += 40;
        _frame_index ++;
    }

private:
    std::string date_time(std::time_t posix)
    {
        char buf[20];
        std::tm tp = *std::localtime(&posix);
        return{ buf, std::strftime(buf, sizeof(buf),"%F %T",&tp) };
    }

    int writeFrame(AVStream * stream, AVPacket *pkg, uint8_t *frame, uint8_t size){
        av_init_packet(pkg);
        pkg->stream_index = stream->index;
        pkg->data = frame;
        pkg->size = size;
        pkg->pts = mBase;
        pkg->duration = 40;
        av_interleaved_write_frame(_format_ctx, pkg);
        av_packet_unref(pkg);
        return 0;
    }

    static bool getTelemFromParam(SendOutTOFC_t * src, telemetryData &telem)
    {
        float cam_angle[7] = {0, 307.5, 322, 20, 340, 38, 52.5};
        float plan_id[7] = {4, 1, 2, 5, 3, 17, 18};
        float cam_yaw = cam_angle[src->u8SensorType];

        int nsize = sizeof(telemetryData);

        telem.mFlags.setTimestamp(true);
        telem.mYear = src->u16Year;
        telem.mMonth = src->u8Month;
        telem.mDay = src->u8Day;
        telem.mHour = src->u8Hour;
        telem.mMinute = src->u8Minute;
        telem.mSecond = src->u8Second;
        telem.mMillSecond = src->u16Minisecond;

        telem.mFlags.setPlatformType(true);
        telem.mDroneType = src->u8PlatType;

        telem.mFlags.setPlatformID(true);
        telem.mDroneNum = src->u16PlatNumber;

        telem.mFlags.setPlatformRotation(true);
        telem.mDroneYaw = JADER_360(src->s16PlatYaw);
        if(telem.mDroneYaw < 0){
            telem.mDroneYaw += 360;
        }
        telem.mDronePitch = JADER_360(src->s16PlatPitch);
        telem.mDroneRoll = JADER_360(src->s16PlatRoll);

        telem.mFlags.setPlatformPosition(true);
        telem.mDroneLongtitude = src->s32PlatLongitude / 10000000.0;
        telem.mDroneLatitude = src->s32PlatLatitude / 10000000.0;
        telem.mDroneAltitude = src->s16PlatHeight / 10.0;

        telem.mDroneSpeedEast = src->s16PlatEastV * 1024.0 / 32767.0;
        telem.mDroneSpeedNorth = src->s16PlatNorthV * 1024.0 / 32767.0;
        telem.mDroneSpeedSky = src->s16PlatUpV * 1024.0 / 32767.0;

        telem.mFlags.setSensorType(true);
        telem.mSensorType = 0;

        telem.mFlags.setSensorID(true);
        if(src->u8SensorType <= 6){
            telem.mSensorID = plan_id[src->u8SensorType];
        }else{
            telem.mSensorID = src->u16SensorNumber;
        }

        telem.mSensorSelectionCB = src->u8SensorSelect;

        telem.mFlags.setSensorFOV(true);//
        if(src->u8SensorType > 6){
            telem.mSensorHFOV = JADER_180(src->u16SensorHView);
            telem.mSensorVFOV = JADER_180(src->u16SensorVView);
        }else{
            telem.mSensorHFOV = src->u16SensorHView / 10.0;
            telem.mSensorVFOV = src->u16SensorVView / 10.0;
        }

        telem.mFlags.setSensorMod(true);
        telem.mSensorMod = src->u8SensorWorkMode;

        telem.mFlags.setSensorRotation(true);
        telem.mFrameYaw = JADER_360(src->mFrameYaw);
        if(telem.mFrameYaw < 0){
            telem.mFrameYaw += 360;
        }
        telem.mFramePitch = JADER_360(src->mFramePitch);
        telem.mFrameRoll = JADER_360(src->mFrameRoll);

        telem.mSensorYaw = cam_yaw;   //字节68~69 传感器框架角在航向上的补偿角度
        if(src->u8SensorType > 6){
            telem.mSensorYaw = JADER_360(src->mSensorYaw);
        }
        telem.mSensorPitch = JADER_360(src->mSensorPitch);   //字节70~71 传感器框架角在俯仰方向上的补偿角度
        telem.mSensorRoll = JADER_360(src->mSensorRoll);   //字节72~73 传感器框架角在滚转方向上的补偿角度
        telem.mComposedYaw = JADER_360(src->s16SensorSynYaw);   //字节74~75 传感器综合航向角
        telem.mComposedPitch = JADER_360(src->s16SensorSynPitch);   //字节76~77 传感器综合俯仰角
        telem.mComposedRoll = JADER_360(src->s16SensorSynRoll);   //字节78~79 传感器综合滚转角

        telem.mLaserDistance = 0;//src->u16LsDistance * 10000.0 / 65535;
        telem.mMarkLongtitude = 0;//src->s32MarkLongitude / 10000000;
        telem.mMarkLatitude = 0;//src->s32MarkLatitude / 10000000;
        telem.mMarkAltitude = 0;//src->s16MarkHeight / 10;

        telem.mInnerInertiaYaw = JADER_360(src->s16CameraYaw);
        if(telem.mInnerInertiaYaw < 0){
            telem.mInnerInertiaYaw += 360;
        }
        telem.mInnerInertiaPitch = JADER_360(src->s16CameraPitch);
        telem.mInnerInertiaRoll = JADER_360(src->s16CameraRoll);
        return true;
    }

    const uint64_t _vbit_rate = 2000000;
	const int mvstream_id = 301;
	const int mtstream_id = 8;
    uint64_t mBase;
    int _type = 0;
    double _roll = 0.0;
    double _pitch = 0.0;
    double _yaw = 0.0;

    double _zt_roll = 0.0;
    double _zt_pitch = 0.0;
    double _zt_yaw = 0.0;

	AVStream *_video_stream = nullptr;
	AVStream *_telem_stream = nullptr;
    AVFormatContext *_format_ctx = nullptr;
    AVPacket *_video_pkg = nullptr;
    AVPacket *_telem_pkg = nullptr;
    uint32_t _frame_index = 0;
};

#endif