using Android.Content;
using Android.OS;
using Com.Tencent.Trtc;
using System;
using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
using Vinno.FIS.TRTCClient.Common.Log;
using static Com.Tencent.Trtc.TRTCCloudDef;

namespace Vinno.vCloud.FIS.CrossPlatform.Android.LiveVideo.RTC
{
    public class TRTCLivePusher : TRTCCloudListener, IDisposable
    {
        private readonly ManualResetEvent _exitResetEvent = new ManualResetEvent(false);

        private TRTCCloud _tRtcCloud;
        private TRTCVideoFrame _videoFrame;
        private byte[] _tempData;
        private int _videoResolution;

        public event EventHandler FirstFrameSend;

        public TRTCLivePusher(string logPath, Context context)
        {
            TRTCCloud.SetLogCompressEnabled(false);
            TRTCCloud.SetLogDirPath(logPath);
            TRTCCloud.SetLogLevel(TrtcLogLevelError);
            _tRtcCloud = TRTCCloud.SharedInstance(context);
        }

        /// <summary>
        /// 进入房间
        /// </summary>
        /// <param name="userId"></param>
        /// <param name="roomId"></param>
        /// <param name="userSign"></param>
        /// <param name="appid"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="fps"></param>
        public void EnterRoom(string userId, int roomId, string userSign, int appid, int videoResolution, int videoFps, int videoBitrate, int minVideoBitrate, bool isMute, string micId)
        {
            Logger.WriteLineInfo($"Enter Room,UserId:{userId},RoomId:{roomId}");
            _videoResolution = videoResolution;
            _tRtcCloud.MuteAllRemoteVideoStreams(true);
            _tRtcCloud.SetDefaultStreamRecvMode(false, false);
            _tRtcCloud.MuteAllRemoteAudio(true);
            _tRtcCloud.StartLocalAudio(TrtcAudioQualityMusic);//开启本地音频的采集和上行
            _tRtcCloud.EnableCustomVideoCapture(TrtcVideoStreamTypeBig, true);
            _tRtcCloud.EnableCustomAudioCapture(false);
            _tRtcCloud.SetVideoEncoderMirror(false);
            InitVideoParam(videoFps, videoBitrate, minVideoBitrate);
            var renderParams = new TRTCRenderParams
            {
                FillMode = TrtcVideoRenderModeFit,
                MirrorType = TrtcVideoMirrorTypeDisable
            };
            _tRtcCloud.SetLocalRenderParams(renderParams);
            TRTCParams trtcParams = new TRTCParams
            {
                SdkAppId = appid,
                RoomId = roomId,
                UserId = userId,
                UserSig = userSign,
                Role = TRTCRoleAnchor
            };
            _tRtcCloud.SetListener(this);
            _tRtcCloud.MuteLocalAudio(isMute);
            _tRtcCloud.EnterRoom(trtcParams, TrtcAppSceneLive);
        }

        public void SetMute(bool isMute)
        {
            if (_tRtcCloud != null)
            {
                _tRtcCloud.MuteLocalAudio(isMute);
            }
        }

        public void SwitchMic(string micId)
        {
        }

        /// <summary>
        /// 离开房间
        /// </summary>
        public void ExitRoom()
        {
            if (_tRtcCloud != null)
            {
                Logger.WriteLineInfo($"Exit room");
                _tRtcCloud.StopAllRemoteView();
                _tRtcCloud.StopLocalPreview();
                _tRtcCloud.StopLocalAudio();
                _tRtcCloud.MuteLocalAudio(true);
                _tRtcCloud.MuteLocalVideo(0, true);
                _exitResetEvent.Reset();
                _tRtcCloud.ExitRoom();
                _exitResetEvent.WaitOne(5000);
                _tRtcCloud.SetListener(null);
                _tRtcCloud = null;
            }
        }

        /// <summary>
        /// 发送要推流的数据
        /// </summary>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="frameBuffer"></param>
        public void SendData(int width, int height, IntPtr frameBuffer)
        {
            var len = width * height * 3 / 2;
            if (_videoFrame == null)
            {
                _videoFrame = new TRTCVideoFrame
                {
                    PixelFormat = TrtcVideoPixelFormatI420,
                    BufferType = TrtcVideoBufferTypeByteArray,
                    Width = width,
                    Height = height,
                    Timestamp = 0
                };
            }
            if (_tempData == null)
            {
                _tempData = new byte[len];
            }
            else if (_tempData.Length != len)
            {
                Array.Resize(ref _tempData, len);
            }
            Marshal.Copy(frameBuffer, _tempData, 0, len);
            _videoFrame.Data = _tempData;
            _tRtcCloud?.SendCustomVideoData(TrtcVideoStreamTypeBig, _videoFrame);
        }

        /// <summary>
        /// 发送要推流的数据
        /// </summary>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="frameBuffer"></param>
        public void SendData(int width, int height, byte[] frameBuffer)
        {
            var len = width * height * 3 / 2;
            if (_videoFrame == null)
            {
                _videoFrame = new TRTCVideoFrame
                {
                    PixelFormat = TrtcVideoPixelFormatI420,
                    BufferType = TrtcVideoBufferTypeByteArray,
                    Width = width,
                    Height = height,
                    Timestamp = 0,
                };
            }
            _videoFrame.Data = frameBuffer;
            _tRtcCloud?.SendCustomVideoData(TrtcVideoStreamTypeBig, _videoFrame);
        }

        private void InitVideoParam(int videoFps, int videoBitrate, int minVideoBitrate)
        {
            TRTCVideoEncParam videoEncParams = new TRTCVideoEncParam
            {
                VideoBitrate = videoBitrate,
                MinVideoBitrate = minVideoBitrate,
                VideoFps = videoFps,
                VideoResolution = _videoResolution,
                VideoResolutionMode = TrtcVideoResolutionModeLandscape,
                EnableAdjustRes = false
            };
            _tRtcCloud.SetVideoEncoderParam(videoEncParams);

            var qosParams = new TRTCNetworkQosParam
            {
                Preference = TrtcVideoQosPreferenceClear,
                ControlMode = VideoQosControlServer,
            };
            _tRtcCloud.SetNetworkQosParam(qosParams);
        }

        #region 回调

        public override void OnError(int errCode, string errMsg, Bundle extInfo)
        {
            Logger.WriteLineError(string.Format("RtcPusher: Tecent errCode : {0}, errMsg : {1}, ExtInfo = {2}", errCode, errMsg, extInfo));
        }

        public override void OnWarning(int warningCode, string warningMsg, Bundle extInfo)
        {
            if (warningCode == 1208)
            {
                return;
            }
            Logger.WriteLineWarn(string.Format("RtcPusher: Tecent warningCode : {0}, warningMsg : {1}, ExtInfo = {2}", warningCode, warningMsg, extInfo));
        }

        public override void OnSendFirstLocalVideoFrame(int p0)
        {
            Logger.WriteLineInfo($"onSendFirstLocalVideoFrame successed{p0}");
            Task.Run(() =>//Felix:如果不用Task，容易Crash，会SIGSEGV Error
            {
                FirstFrameSend?.Invoke(null, EventArgs.Empty);
            });
        }

        public override void OnEnterRoom(long result)
        {
            if (result > 0)
            {
                Logger.WriteLineInfo($"Enter Room Success!:{result}");
            }
            else
            {
                Logger.WriteLineInfo($"Enter Room Fail!:{result}");
            }
        }

        public override void OnExitRoom(int reason)
        {
            Logger.WriteLineInfo($"Exit Room Success,{reason}");
            _exitResetEvent.Set();
        }

        public override void OnConnectionLost()
        {
            Logger.WriteLineWarn("RtcPusher Tx connection lost");
        }

        public override void OnTryToReconnect()
        {
            Logger.WriteLineWarn("RtcPusher Tx try to reconnect");
        }

        public override void OnConnectionRecovery()
        {
            Logger.WriteLineWarn("RtcPusher Tx connection recovery");
        }

        public override void OnConnectOtherRoom(string userId, int errCode, string errMsg)
        {
            Logger.WriteLineInfo($"onConnectOtherRoom userId :{userId}, errCode: {errCode}, errMsg: {errMsg}");
        }

        public override void OnFirstVideoFrame(string p0, int p1, int p2, int p3)
        {
        }

        public override void OnSpeedTestResult(TRTCSpeedTestResult currentResult)
        {
        }

        #endregion 回调
    }
}