using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using fis.media.Library.Media.Players;
using fis.media.Library.Media.Rooms;
using fis.media.Library.Players;
using fis.media.ThirdPartLibrary.Daniu.Player;
using fis.media.ThirdPartLibrary.Tencent;

namespace fis.media.Managers
{
    public class PlayerManager:IDisposable
    {
        private static PlayerManager? _instance;

        private SmartPlayer? _smartPlayer { get; set; }
        public EventHandler<RemoteVideoFrameData>? VideoFrameReceived;
        private RoomTypeEnum _roomType;
        private string _rtmpPullUrl;

        private PlayerManager() {
           
        }
        public static PlayerManager Instance => _instance ?? (_instance = new PlayerManager());
    
        /// <summary>
        /// 注册SmartPlayerSDK
        /// </summary>
        public static void RegistSmartPlayerSDK()
        {
            SmartPlayer.RegistSmartPlayerSDK();
        }

        /// <summary>
        /// 开始RTMP拉流
        /// </summary>
        /// <param name="url"></param>
        private void StartRTMP()
        {
            if (_smartPlayer == null)
            {
                _smartPlayer = new SmartPlayer();
                //_smartPlayer.VideoFrameReceived += VideoFrameReceived;
            }
            _smartPlayer.Play(_rtmpPullUrl);
        }

        /// <summary>
        /// 开始TRTC拉流
        /// </summary>
        /// <param name="url"></param>
        private void StartTRTC()
        {
            TRTCChatRoom.Instance.RemoteVideoFrameArrived += OnRemoteVideoFrameArrived;
            TRTCChatRoom.Instance.RemoteVideoScreenFrameArrived += OnRemoteVideoScreenFrameArrived;
        }

        public void Start(string[] args)
        {
            if (SetRoomPara(args))
            {
                if (_roomType == RoomTypeEnum.TRTCRoom)
                {
                    StartTRTC();
                }
                if (_roomType == RoomTypeEnum.RTMPVirtualRoom)
                {
                    StartRTMP();
                }
            }

        }

        private bool SetRoomPara(string[] args)
        {
            if (args == null || args.Length < 1)
            {
                return false;
            }
            _roomType = (RoomTypeEnum)Enum.Parse(typeof(RoomTypeEnum), args[0], true);

            if (_roomType == RoomTypeEnum.RTMPVirtualRoom && args.Length == 2)
            {
                var url = args[1];
                _rtmpPullUrl = url;
            }

            return true;
        }

        private void OnRemoteVideoScreenFrameArrived(object? sender, RemoteVideoFrameData e)
        {
            throw new NotImplementedException();
        }

        private void OnRemoteVideoFrameArrived(object? sender, RemoteVideoFrameData e)
        {
            VideoFrameReceived?.Invoke(this,e);
        }

        /// <summary>
        /// 停止拉流
        /// </summary>
        public void Stop()
        {
            _smartPlayer?.Stop();

            TRTCChatRoom.Instance.RemoteVideoFrameArrived -= OnRemoteVideoFrameArrived;
            TRTCChatRoom.Instance.RemoteVideoScreenFrameArrived -= OnRemoteVideoScreenFrameArrived;
        }

        /// <summary>
        /// 切换拉流地址
        /// </summary>
        /// <param name="url"></param>
        public void SwitchUrl(string url)
        {
            _smartPlayer?.SwitchUrl(url);
        }

        /// <summary>
        /// 设置录制参数
        /// </summary>
        /// <param name="recordingDirectory"></param>
        /// <param name="maxFileSize"></param>
        /// <param name="filePrefix"></param>
        /// <param name="attachDateTime"></param>
        public void SetRecordParameter(string recordingDirectory, int maxFileSize, string filePrefix, bool attachDateTime)
        {
            _smartPlayer?.SetRecordParameter(recordingDirectory, maxFileSize, filePrefix, attachDateTime);
        }

        /// <summary>
        /// 开始录制
        /// </summary>
        public void StartRecord()
        {
            _smartPlayer?.StartRecord();
        }

        /// <summary>
        /// 停止录制
        /// </summary>
        public void StopRecord()
        {
            _smartPlayer?.StopRecord();

        }

        /// <summary>
        /// 设置静音
        /// </summary>
        /// <param name="isMute"></param>
        public void SetMute(bool isMute)
        {
            _smartPlayer?.SetMute(isMute);
        }

        public void Dispose()
        {
            Stop();

            if (_smartPlayer != null)
            {
                //_smartPlayer.VideoFrameReceived -= VideoFrameReceived;
            }
        }
    }
}