using Com.Tencent.Trtc;
using System;
using System.Collections.Generic;
using System.Linq;
using Vinno.FIS.TRTCClient.Common.Enum;
using Vinno.vCloud.FIS.CrossPlatform.Common;
using Vinno.vCloud.FIS.CrossPlatform.Common.Enum;
using Vinno.vCloud.FIS.CrossPlatform.Common.LiveVideo;
using Vinno.vCloud.FIS.CrossPlatform.Common.LiveVideo.Interface;

namespace Vinno.vCloud.FIS.CrossPlatform.Android.LiveVideo.RTC
{
    public class RtcSinglePusherV2 : PusherBase, ILiveVideoPusherV2
    {
        private TRTCPusher _pusher;
        private IImageSenderV2 _imageSender;
        private int _videoResolution;

        public event EventHandler<ChannelStateEventArgsV2> ChannelStateChanged;

        public RtcSinglePusherV2()
        {
        }

        public bool StartPusher(IExtendedData pushParams, IEnumerable<CPVideoDeviceOutputInfo> deviceInfos)
        {
            try
            {
                var rtcParams = pushParams as RtcExtendedData;
                if (rtcParams == null || rtcParams.AppId == 0 || rtcParams.UserInfos.Count == 0)
                {
                    CrossPlatformHelper.Instance.LogWriter?.WriteLineError("RTC Single PusherV2: Extended Data Is Null!");
                    return false;
                }
                if (deviceInfos.Count() == 0)
                {
                    CrossPlatformHelper.Instance.LogWriter?.WriteLineError("RTC Single PusherV2: No device set!");
                    return false;
                }
                var userInfo = rtcParams.UserInfos.FirstOrDefault();
                var deviceInfo = deviceInfos.FirstOrDefault(x => x.Category == userInfo.Category);
                if (deviceInfo == null)
                {
                    CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single Pusher Category {userInfo.Category} No device found!");
                    return false;
                }
                _videoResolution = GetVideoResolution(userInfo.Width, userInfo.Height);

                _pusher = new TRTCPusher();
                _pusher.FirstFrameSend += OnFirstFrameSend;
                if (CommonParameter.Instance.IsSonopost)
                {
                    _pusher.EnterRoom(userInfo.UserId, rtcParams.RoomId, userInfo.UserSign, rtcParams.AppId, _videoResolution, userInfo.VideoFps, userInfo.VideoBitrate, userInfo.MinVideoBitrate, pushParams.IsMute, pushParams.MicDeviceId);
                    if (_videoResolution == TRTCCloudDef.TrtcVideoResolution640480)
                    {
                        _imageSender = new Camera640X480SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height, deviceInfo.Category, deviceInfo.Category == EnumLiveChannelCategory.Main ? false : true, false);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Camera640X480SenderV2");
                    }
                    else if (_videoResolution == TRTCCloudDef.TrtcVideoResolution960540)
                    {
                        _imageSender = new Camera960X540SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height, deviceInfo.Category, deviceInfo.Category == EnumLiveChannelCategory.Main ? false : true, false);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Camera960X540SenderV2");
                    }
                    else if (_videoResolution == TRTCCloudDef.TrtcVideoResolution960720)
                    {
                        _imageSender = new Camera960X720SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height, deviceInfo.Category, deviceInfo.Category == EnumLiveChannelCategory.Main ? false : true, false);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Camera960X720SenderV2");
                    }
                    else if (_videoResolution == TRTCCloudDef.TrtcVideoResolution1280720)
                    {
                        _imageSender = new Camera1280X720SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height, deviceInfo.Category, deviceInfo.Category == EnumLiveChannelCategory.Main ? false : true, false);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Camera1280X720SenderV2");
                    }
                    else
                    {
                        _imageSender = new Camera1920X1080SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height, deviceInfo.Category, deviceInfo.Category == EnumLiveChannelCategory.Main ? false : true, false);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Camera1920X1080SenderV2");
                    }
                }
                else
                {
                    _pusher.EnterRoom(userInfo.UserId, rtcParams.RoomId, userInfo.UserSign, rtcParams.AppId, _videoResolution, userInfo.VideoFps, userInfo.VideoBitrate, userInfo.MinVideoBitrate, pushParams.IsMute, pushParams.MicDeviceId);
                    if (_videoResolution == TRTCCloudDef.TrtcVideoResolution640480)
                    {
                        _imageSender = new Terminal640X480SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Terminal1280X720SenderV2");
                    }
                    else if (_videoResolution == TRTCCloudDef.TrtcVideoResolution960540)
                    {
                        _imageSender = new Terminal960X540SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Terminal1280X720SenderV2");
                    }
                    else if (_videoResolution == TRTCCloudDef.TrtcVideoResolution960720)
                    {
                        _imageSender = new Terminal960X720SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Terminal1280X720SenderV2");
                    }
                    else if (_videoResolution == TRTCCloudDef.TrtcVideoResolution1280720)
                    {
                        _imageSender = new Terminal1280X720SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Terminal1280X720SenderV2");
                    }
                    else
                    {
                        _imageSender = new Terminal1920X1080SenderV2(deviceInfo.VideoDeviceId, userInfo.Width, userInfo.Height);
                        CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2:Terminal1920X1080SenderV2");
                    }
                }
                _imageSender.VideoFrameDataReceived += OnVideoFrameDataReceived;
                _imageSender.PreviewImageFrameDataReceived += OnPreviewImageFrameDataReceived;
                _imageSender.Start();
                return true;
            }
            catch (Exception ex)
            {
                CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"RTC Single PusherV2 Start Push Error:{ex}");
            }
            return false;
        }

        private int GetVideoResolution(int width, int height)
        {
            if (width <= 640 && height <= 480)
            {
                return TRTCCloudDef.TrtcVideoResolution640480;
            }
            else if (width <= 960 && height <= 544)
            {
                return TRTCCloudDef.TrtcVideoResolution960540;
            }
            else if (width <= 960 && height <= 720)
            {
                return TRTCCloudDef.TrtcVideoResolution960720;
            }
            else if (width <= 1280 && height <= 720)
            {
                return TRTCCloudDef.TrtcVideoResolution1280720;
            }
            else
            {
                return TRTCCloudDef.TrtcVideoResolution19201080;
            }
        }

        private void OnVideoFrameDataReceived(object sender, CPVideoFrameData e)
        {
            _pusher?.SendData(e.Width, e.Height, e.Data);
        }

        public void SetMute(bool isMute)
        {
            _pusher?.SetMute(isMute);
        }

        public void SwitchMic(string micId)
        {
            _pusher?.SwitchMic(micId);
        }

        public bool StopPusher()
        {
            try
            {
                if (_pusher != null)
                {
                    _pusher.FirstFrameSend -= OnFirstFrameSend;
                    _pusher.ExitRoom();
                    _pusher = null;
                }
                if (_imageSender != null)
                {
                    _imageSender.VideoFrameDataReceived -= OnVideoFrameDataReceived;
                    _imageSender.PreviewImageFrameDataReceived -= OnPreviewImageFrameDataReceived;
                    _imageSender.Stop();
                    _imageSender = null;
                }
                return true;
            }
            catch (Exception e)
            {
                CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"Rtc Single PusherV2 Stop Pusher Error:{e}");
            }
            return false;
        }

        private void OnPreviewImageFrameDataReceived(object sender, ImageFrameData e)
        {
            var category = (EnumLiveChannelCategory)sender;
            CopyPreviewData(category, e);
        }

        private void OnFirstFrameSend(object sender, EventArgs e)
        {
            ChannelStateChanged?.Invoke(this, new ChannelStateEventArgsV2(EnumLiveChannelCategory.Main, EnumDeviceLiveState.Pushing));
        }

        public bool StartSpeedTest(uint appId, string userId, string userSign)
        {
            TRTCPusher pusher = null;
            try
            {
                pusher = new TRTCPusher();
                return pusher.StartSpeedTest((int)appId, userId, userSign);
            }
            catch (Exception ex)
            {
                CrossPlatformHelper.Instance.LogWriter?.WriteLineError($"Rtc Single PusherV2 StartSpeedTest Error:{ex}");
                return false;
            }
            finally
            {
                if (pusher != null)
                {
                    pusher.StopSpeedTest();
                    pusher = null;
                }
            }
        }

        public override void DoDispose()
        {
            StopPusher();
            base.DoDispose();
        }
    }
}