/*
 * @Description: 推理模块
 * @Version: 1.0
 * @Autor: lishengyin
 * @Date: 2021-10-13 09:37:51
 * @LastEditors: lishengyin
 * @LastEditTime: 2022-10-09 09:45:46
 */
#pragma once
#include <iostream>
#include <stdio.h>
#include <string.h>

#include <gst/gst.h>
#include <glib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>
#include <sys/time.h>
#include "nvdsmeta.h"
#include "gstnvdsmeta.h"
#include "gst-nvmessage.h"
#include "nvbufsurface.h"
#include "DataSource.h"
#include "InferRange.h"

// ZLMediaKit
#include "Util/logger.h"
#include "Util/NoticeCenter.h"
#include "Util/SqlPool.h"
#include "Network/TcpClient.h"
#include "Poller/Timer.h"
#include "TCPClient.h"
#include "recorder.h"
#include <mutex>
#include <cuda_runtime.h>
#include <map>
#include <queue>
#include <vector>

// opencv
#include <opencv2/core.hpp>
#include <opencv2/videoio.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
#include <opencv2/imgproc/types_c.h>

#include <list>

using namespace std;

namespace MIVA{
    // 基于Deepstream
    class Inference
    {
    private:
        // Deepstream
        GMainLoop *loop = NULL;
        GstElement *pipeline = NULL,*streammux =NULL, *sink = NULL, *pgie = NULL,
        *queue1, *queue2, *queue3, *queue4, *queue5, *nvvidconv = NULL,
        *nvosd = NULL,*tiler = NULL;
        GstElement *transform = NULL;
        GstBus *bus = NULL;
        guint bus_watch_id;
        GstPad *pgie_src_pad = NULL;
        GstPad *tiler_sink_pad = NULL;

        guint tiler_rows, tiler_columns;
        guint pgie_batch_size;

    public:
        std::shared_ptr<std::vector<DataSource>> m_DataList = NULL;
        std::shared_ptr<InferInfo> m_InferInfo = nullptr;
        std::shared_ptr<recorder> m_recorder = nullptr;
        
        bool Play = false;
        bool enable = false;
        int InferNum = 0;

        Inference();
        ~Inference();
    public:
        /**
         * @description: 创建实例
         * @param {*}
         * @return {*}
         */        
        static std::shared_ptr<Inference> CreateNew();

        /**
         * @description: 推理模块初始化
         * @param {vector<DataSource>} DataList 数据源集合
         * @return {*}
         * @author: lishengyin
         */        
        int32_t Init();

        /**
         * @description: 启动任务
         * @param {*}
         * @return {*}
         * @author: lishengyin
         */        
        int32_t StartTask();

        /**
         * @description: 停止任务
         * @param {*}
         * @return {*}
         * @author: lishengyin
         */        
        void StopTask();

        /**
         * @description: 重启任务
         * @param {*}
         * @return {*}
         * @author: lishengyin
         */        
        int32_t RestartTask();

        /**
         * @description:记录
         * @param {*}
         * @return {*}
         */        
        int32_t Recorder();

        /**
         * @description: 暂停任务
         * @param {*}
         * @return {*}
         */        
        void PausedTask();

        /**
         * @description: 检查任务
         * @param {*}
         * @return {*}
         */        
        void CheckTask();


        /**
         * @description: Destory()
         * @return {*}
         */        
        void Destory();

        /**
         * @description: QuitLoop
         * @param {*}
         * @return {*}
         */        
        void QuitLoop();

        /**
         * @description: 状态返回
         * @param {*}
         * @return {*}
         */        
        static void StateResulit(GstStateChangeReturn& state_return);

    public:

        /**
         * @description: 获取推理结果
         * @param {GstPad *} pad
         * @param {GstPadProbeInfo *} info
         * @param {gpointer} u_data
         * @return {*}
         * @author: lishengyin
         */   
        static GstPadProbeReturn tiler_sink_pad_buffer_probe (GstPad * pad, GstPadProbeInfo * probe_info, gpointer u_data);

        /**
         * @description: 监听bus
         * @param {GstBus *} bus
         * @param {GstMessage *} msg
         * @param {gpointer} data
         * @return {*}
         * @author: lishengyin
         */        
        static gboolean bus_call (GstBus * bus, GstMessage * msg, gpointer data);

        /**
         * @description: 解码模块监听child_added
         * @param {*}
         * @return {*}
         * @author: lishengyin
         */        
        static void decodebin_child_added (GstChildProxy * child_proxy, GObject * object,
            gchar * name, gpointer user_data);

        /**
         * @description: 创建解码bin
         * @param {guint} index
         * @param {gchar *} filename
         * @return {*}
         * @author: lishengyin
         */        
        static GstElement * create_uridecode_bin (guint index, gchar * filename);

        /**
         * @description: 解码模块监听pad-added
         * @param {GstElement *} decodebin
         * @param {GstPad *} pad
         * @param {gpointer} data
         * @return {*}
         * @author: lishengyin
         */        
        static void cb_newpad (GstElement * decodebin, GstPad * pad, gpointer data);

        /**
         * @description: 判断点是否在区域内
         * @param {Point} p
         * @param {int} nCount
         * @return {*}
         */        
        static int PtInPolygon (Point p, vector<Point>& ptPolygon, int nCount);

        /**
         * @description: 添加数据源
         * @param {int} source_Id 数据源ID
         * @param {string} uri 数据源Url
         * @return {*} 是否添加成功
         * @author: lishengyin
         */        
        GstElement* add_sources (int source_Id, std::string uri);
        
        /**
         * @description: 删除数据源
         * @param {gint} source_id
         * @return {*}
         * @author: lishengyin
         */        
        void stop_release_source (gint source_id);

        /**
         * @description: 修改数据源地址
         * @param {GstElement} *source_bin
         * @param {string} uri
         * @return {*}
         */        
        void ModifyUri(GstElement *source_bin, std::string uri);
        
        /**
         * @description: 释放元素
         * @param {GstElement} *source_bin
         * @return {*}
         */        
        void FreeElement(int source_Id,GstElement *source_bin);

        /**
         * @description: 添加数据源
         * @param {int} sourceId
         * @return {*}
         */        
        void AddSources(int sourceId);

        /**
         * @description: 设置Batch
         * @param {int} num
         * @return {*}
         */        
        void SetBatch(int num);

    };
}