using EC.Entity.Video;
using EC.FFmpegAutoGen;
using EC.Utils.Config;

using ECMonitor.Code;
using ECMonitor.Code.Config;
using ECMonitor.Manager;
using FFmpeg.AutoGen;

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using NetMQ.Sockets;
using NetMQ;
using EC.Utils.ImageHelpers;
using EC.Utils;

namespace ECMonitor.UC.Videos
{
    /// <summary>
    /// UCFFmpegPlayer.xaml 的交互逻辑
    /// </summary>
    public partial class UCFFmpegAIBoxPlayer : UserControl, IUCPlayer
    {
        /// <summary>
        /// 视频播放器序号
        /// </summary>
        int _videoIndex = 0;
        private string Message { get; set; }
        private string UcName { get; set; }

        public MonitorCamera Camera { get; set; }
        public int VideoType { get; set; }
        /// <summary>
        /// 更新时间
        /// </summary>
        private DateTime upDateTime;

        public event EventHandler OnFromClose;
        /// <summary>
        /// 
        /// </summary>
        double NormaWidth { get; set; } = 0;
        double NormaHeight { get; set; } = 0;
        /// <summary>
        /// 最大化
        /// </summary>
        bool WindowStateMax { get; set; } = false;
        string inputpath = ConfigHelper.AIInputPath();
        string outpath = ConfigHelper.AIOutPath();
        string _aiServer = ConfigHelper.AISvrServer();



        public UCFFmpegAIBoxPlayer(double width, double height, int videoIndex, bool showCloseButton = true, string aspectRatio = "4:3")
        {
            this.Width = width;
            this.Height = height;
            InitializeComponent();
            this.Name = "UCPlayer" + videoIndex;
            UcName = this.Name;
            this.btnClose.Visibility = showCloseButton ? Visibility.Visible : Visibility.Hidden;
            ReSetSize(width, height);
            ShowMsg("没有视频");
            _videoIndex = videoIndex;



        }



        /// <summary>
        ///  设置窗体大小
        /// </summary>
        /// <param name="width"></param>
        /// <param name="height"></param>
        public void ReSetSize(double width, double height)
        {
            Width = width;
            Height = height;
            //显示内容
            //double messageWidht = 40;
            //double left = width / 2 - messageWidht / 2;
            //double top = height / 2 - 20;
            ////double right = width-(left + messageWidht);
            ////double bottom = height / 2 - 10;
            //this.txtShow.Margin = new Thickness(left, top, right, bottom);
            this.imgPlayer.Height = height;
            
            SetSelected(false);

        }



        public bool Play(MonitorCamera camera, bool replay = false)
        {
            if (IsPlaying())
            {
                if (replay == false)
                {
                    if (camera.Ip == Camera.Ip)
                    {
                        return true;
                    }
                }
                Stop();

            }
            Camera = camera;
            if (Camera == null)
            {
                return false;
            }

            return Play();


        }

        public void Stop()
        {
            try
            {
                if (_playing == false)
                {
                    return;
                }
                _playing = false;
                Camera = null;
                MemoryStream ms = null;
                Task.Factory.StartNew(() => { Thread.Sleep(1000); SetImageSource(ms); _playingSuccess = false; });
                ShowMsg("视频已经关闭");
                OnFromClose?.Invoke(this, null);
            }
            catch (Exception ex)
            {
                LogFactory.GetLogger().Error(ex);
            }
        }

        public void UPDateTime()
        {
            upDateTime = DateTime.Now;

        }
        /// <summary>
        /// 判断预警是否接触
        /// </summary>
        /// <returns></returns>
        public bool IsTimeOut()
        {
            DateTime now = DateTime.Now;
            double difSeconds = DateUnit.DateDiffSeconds(upDateTime, now);
            return difSeconds > 6;
        }
        public string GetCameraIp()
        {
            if (Camera != null)
            {
                return Camera.Ip;
            }
            return "";
        }
        /// <summary>
        /// 播放器类型
        /// </summary>
        /// <returns></returns>
        public int GetPlayerType()
        {
            return VideoType;
        }
        /// <summary>
        /// 相机
        /// </summary>
        /// <returns></returns>
        public MonitorCamera GetCamera()
        {
            return Camera;
        }

        public UserControl GetControl()
        {
            return this;
        }

        public string GetMessage()
        {
            return Message;
        }

        public string GetName()
        {
            return UcName;
        }
        /// <summary>
        /// 是否是空播放器
        /// </summary>
        /// <returns></returns>
        public bool IsNullPlay()
        {
            return Camera == null;
        }
        /// <summary>
        /// 是否播放
        /// </summary>
        bool _playing = false;
        /// <summary>
        /// 播放成功
        /// </summary>
        bool _playingSuccess = false;
        /// <summary>
        /// 是否正在播放
        /// </summary>
        /// <returns></returns>
        public bool IsPlaying()
        {
            if (Camera == null)
            {
                return false;
            }
            return _playing;//&& _playingSuccess;
        }
        private int listIndex = 0;
        public int GetIndex()
        {
            return listIndex;
        }

        public void SetIndex(int index)
        {
            listIndex = index;
        }
        /// <summary>
        /// 是否显示
        /// </summary>
        private bool IsShow = false;



        public bool GetIsShow()
        {
            return IsShow;
        }
        public void SetIsShow(bool isShow)
        {
            IsShow = isShow;
        }


        private void btnClose_Click(object sender, RoutedEventArgs e)
        {
            Stop();
            OnFromClose?.Invoke(sender, e);
        }


        #region FFmpeg

        public delegate void dlgtSetImage(MemoryStream ms);
        public delegate void dlgtSetImageByte(byte[] ms);
        void SetImageSource(MemoryStream ms)
        {
            this.imgPlayer.Dispatcher.Invoke(new dlgtSetImage(SetImage), ms);
        }
        void SetImage(MemoryStream ms)
        {
            //if (this.imgPlayer.Dispatcher.CheckAccess())
            //{
            //    this.imgPlayer.Dispatcher.Invoke(new dlgtSetImage(setImage), ms);
            //    return;
            //}
            ShowMsg("");  
            if (ms == null)
            {
                imgPlayer.Source = null; // done!
                return;
            }

            BitmapImage bi = new BitmapImage();
            bi.BeginInit();
            bi.StreamSource = new MemoryStream(ms.ToArray()); // 不要直接使用 ms
            bi.EndInit();
            // Guid photoID = System.Guid.NewGuid();
            //string photolocation = $"img//" + DateTime.Now.ToString("MMddHHmmssfff") + ".jpg";  //file name
            //FileStream filestream = new FileStream(photolocation, FileMode.Create);
            //JpegBitmapEncoder encoder = new JpegBitmapEncoder();
            //encoder.Frames.Add(BitmapFrame.Create(bi));
            //encoder.Save(filestream);

            imgPlayer.Source = bi; // done!

            //  ms.Close();

            //}
        }

        void SetImageSource(byte[] ms)
        {
            this.imgPlayer.Dispatcher.Invoke(new dlgtSetImageByte(SetImage), ms);
        }
        void SetImage(byte[] ms)
        {

            ShowMsg("");
            if (ms == null)
            {
                imgPlayer.Source = null; // done!
                return;
            }

            BitmapImage bi = new BitmapImage();
            bi.BeginInit();
            bi.StreamSource = new MemoryStream(ms); // 不要直接使用 ms
            bi.EndInit();
            //// Guid photoID = System.Guid.NewGuid();
            //string photolocation = $"img//" + DateTime.Now.ToString("MMddHHmmssfff") + ".jpg";  //file name
            //FileStream filestream = new FileStream(photolocation, FileMode.Create);
            //JpegBitmapEncoder encoder = new JpegBitmapEncoder();
            //encoder.Frames.Add(BitmapFrame.Create(bi));
            //encoder.Save(filestream);

            imgPlayer.Source = bi; // done!

            //  ms.Close();

            //}
        }

        public bool Play()
        {
            Message = "";
            try
            {
                Task.Factory.StartNew(() => PlayThread());
                CheckPlaySuccessed();


            }
            catch (System.Exception ex)
            {
                ShowMsg(ex.Message);
            }
            finally
            {
            }
            return true;
        }



        public bool PlayThread()
        {
            if (Camera == null)
            {
                return false;
            }
            _playing = true;
            UPDateTime();
            //string url = "rtsp://admin:hk123456@192.168.1.108:554/cam/realmonitor?channel=1&subtype=1&unicast=true&proto=Onvif";
            // string url = "rtsp://admin:hk123456@192.168.1.65:554/Streaming/Channels/102?transportmode=unicast&profile=Profile_2";
            string url = Camera.RtspURL();
            FFmpegBinariesHelper.RegisterFFmpegBinaries();

            // Console.WriteLine($"FFmpeg version info: {ffmpeg.av_version_info()}");

            SetupLogging();
            // ConfigureHWDecoder(out var deviceType);

            var deviceType = AVHWDeviceType.AV_HWDEVICE_TYPE_DXVA2;
            DecodeAllFramesToImages(deviceType, url);

            return true;
        }
        /// <summary>
        /// 判断是否播放成功,因为播放没有返回，只能从有没有图片返回判断
        /// </summary>
        public void CheckPlaySuccessed()
        {
            Task.Factory.StartNew(() =>
            {
                Thread.Sleep(5000);
                if (_playingSuccess == false)
                {
                    _playing = false;
                    if (Camera != null)
                    {
                        ShowMsg(Camera.Ip + "播放失败");
                    }

                }
            });
        }



        private unsafe void SetupLogging()
        {
            ffmpeg.av_log_set_level(ffmpeg.AV_LOG_VERBOSE);

            // do not convert to local function
            av_log_set_callback_callback logCallback = (p0, level, format, vl) =>
            {
                if (level > ffmpeg.av_log_get_level()) return;

                var lineSize = 1024;
                var lineBuffer = stackalloc byte[lineSize];
                var printPrefix = 1;
                ffmpeg.av_log_format_line(p0, level, format, vl, lineBuffer, lineSize, &printPrefix);
                var line = Marshal.PtrToStringAnsi((IntPtr)lineBuffer);

                LogFactory.GetLogger().Debug(line);

            };

            ffmpeg.av_log_set_callback(logCallback);
        }

        private unsafe void DecodeAllFramesToImages(AVHWDeviceType HWDevice, string url)
        {
            // decode all frames from url, please not it might local resorce, e.g. string url = "../../sample_mpeg4.mp4";
            //*var url = "http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4*/"; // be advised this file holds 1440 frames

            using var vsd = new VideoStreamDecoder(url, HWDevice);

            Console.WriteLine($"codec name: {vsd.CodecName}");

            var info = vsd.GetContextInfo();
            info.ToList().ForEach(x => Console.WriteLine($"{x.Key} = {x.Value}"));

            var sourceSize = vsd.FrameSize;
            var sourcePixelFormat = HWDevice == AVHWDeviceType.AV_HWDEVICE_TYPE_NONE
                ? vsd.PixelFormat
                : FFmpegHelper.GetHWPixelFormat(HWDevice);
            var destinationSize = sourceSize;
            var destinationPixelFormat = AVPixelFormat.AV_PIX_FMT_BGR24;
            using var vfc =
                new VideoFrameConverter(sourceSize, sourcePixelFormat, destinationSize, destinationPixelFormat);

            var frameNumber = 0;
            int imageNumber = 0;
            while (_playing && vsd.TryDecodeNextFrame(out var frame))
            {
                var convertedFrame = vfc.Convert(frame);

                var bitmap = new Bitmap(convertedFrame.width,
                    convertedFrame.height,
                    convertedFrame.linesize[0],
                    System.Drawing.Imaging.PixelFormat.Format24bppRgb,
                    (IntPtr)convertedFrame.data[0]);


                //IntPtr hBitmap = bitmap.GetHbitmap();
                //System.Windows.Media.ImageSource bitmapSource = Imaging.CreateBitmapSourceFromHBitmap(hBitmap, IntPtr.Zero, Int32Rect.Empty,
                //BitmapSizeOptions.FromEmptyOptions());
                //  bitmapSource.Freeze();

                _playingSuccess = true;
                imageNumber++;
                imageNumber = imageNumber % 100;
                var x = imageNumber % 3;
                if (x == 0)
                {
                    continue;
                }
                //if (x==2)
                //{
                //    string filename = imageNumber + ".jpg";
                //    string fullfileName = inputpath + filename;
                //    bitmap.Save(fullfileName, ImageFormat.Jpeg);
                //    bitmap.Dispose(); 
                //    PubToAI(filename);
                //}
                if (x == 2)
                {
                    PubToAI(bitmap);
                    //PubToAI(filename);
                }
                else
                {
                    //MemoryStream stream = new MemoryStream();
                    //bitmap.Save(stream, ImageFormat.Bmp);
                    //SetImageSource(stream);
                    //bitmap.Dispose();
                }


                Console.WriteLine($"frame: {frameNumber}");
                frameNumber++;
            }

        }

        //将Bitmap对象转换成bitmapImage对象
        //public BitmapImage ConvertBitmapToBitmapImage(Bitmap bitmap)
        //{
        //    MemoryStream stream = new MemoryStream();
        //    bitmap.Save(stream, ImageFormat.Bmp);
        //    BitmapImage image = new BitmapImage();
        //    image.BeginInit();
        //    image.StreamSource = stream;
        //    image.EndInit();
        //    return image;
        //}


        #endregion

        public void ShowMsg(string message)
        {
            this.txtShow.Dispatcher.Invoke(new Action(() => { this.txtShow.Text = message; }));
        }
        private void Log(string message, bool isErr = false)
        {
            ShowMsg(message);
        }
        public void SetSelected(bool selected)
        {
            Thickness thickness = new Thickness(0);
            if (selected)
            {
                thickness = new Thickness(1);
            }
            this.playerBorder.Dispatcher.Invoke(new Action(() => { playerBorder.BorderThickness = thickness; }));


        }
        #region 事件
        public event EventHandler<int> PlayerMouseDown;
        public event EventHandler<int> PlayerMouseDoubleClick;




        private void UserControl_MouseDown(object sender, MouseButtonEventArgs e)
        {
            PlayerMouseDown?.Invoke(this, _videoIndex);
        }

        private void UserControl_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            PlayerMouseDoubleClick?.Invoke(this, _videoIndex);
        }

        /// <summary>
        /// 设置最大化
        /// </summary>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <returns></returns>
        public bool SetMaximized(double width, double height)
        {
            if (WindowStateMax == false)
            {
                NormaWidth = this.Width;
                NormaHeight = this.Height;
                WindowStateMax = true;
                ReSetSize(width, height);

            }
            else
            {
                WindowStateMax = false;
                ReSetSize(NormaWidth, NormaHeight);
            }
            return WindowStateMax;


        }

        #endregion

        #region ZMQ

        private void PubToAI(Bitmap inbitmap)
        {
            Task.Factory.StartNew(() =>
            {
                try
                {
                    if (_playing == false)
                    {
                        return;
                    }
                    byte[] data = ImageHelper.ImageToByteArray(inbitmap);
                    inbitmap.Dispose();
                    if (data == null) return;
                    using (var requestSocket = new RequestSocket(_aiServer))
                    {
                        requestSocket.SendFrame(data);
                        var timeout = new TimeSpan(0, 0, 1);
                        byte[] recdata = new byte[0];
                        bool recSuccess = requestSocket.TryReceiveFrameBytes(timeout, out recdata);
                        // byte[] recdata = requestSocket.ReceiveFrameBytes();
                        if (recSuccess)
                        {
                            SetImageSource(recdata);
                        }


                    }
                }
                catch (Exception ex)
                {
                    ShowMsg(ex.Message);
                    LogFactory.GetLogger().Error(ex);
                }


            });

        }

        //private void PubToAI(string fileName)
        //{

        //    Task.Factory.StartNew(() =>
        //    {
        //        try
        //        {
        //            using (var requestSocket = new RequestSocket(_aiServer))
        //            {
        //                requestSocket.SendFrame(fileName);
        //                var recfileName = requestSocket.ReceiveFrameString();
        //                string fullFileName = outpath + recfileName;
        //                System.Drawing.Image bitmap = System.Drawing.Bitmap.FromFile(fullFileName);
        //                MemoryStream stream = new MemoryStream();
        //                bitmap.Save(stream, ImageFormat.Bmp);
        //                SetImageSource(stream);

        //            }
        //        }
        //        catch (Exception ex)
        //        {
        //            ShowMsg(ex.Message);
        //            LogFactory.GetLogger().Error(ex);
        //        }


        //    });

       // }
        #endregion
    }
}