using System.ComponentModel;
using System;
using System.Collections.Concurrent;
using System.Threading.Tasks;
using WingServerCommon.Log;
using WingInterfaceLibrary.Interface;
using WingInterfaceLibrary.Enum;
using System.Collections.Generic;
using WingServerCommon.Config;
using WingServerCommon.Config.Parameters;

namespace WingDeviceService.Common
{
    internal class RemoteConnectManager
    {
        private ConcurrentDictionary<string, RemoteConnectDTO> _remoteConnects = new ConcurrentDictionary<string, RemoteConnectDTO>();
        private ConcurrentDictionary<string, DeviceRemoteConnectDTO> _deviceRemoteConnects = new ConcurrentDictionary<string, DeviceRemoteConnectDTO>();
        private Func<RemoteConnectDTO, bool, bool, bool> OnRemoteConnectOnlineState;
        private Func<DeviceRemoteConnectDTO, bool, bool, bool> OnDeviceRemoteConnectOnlineState;
        private int _rateSeconds => EnvironmentConfigManager.GetParammeter<IntParameter>("Device", "RemoteControlHeartRateSeconds").Value;
        private IAuthenticationService _authenticationService;
        public RemoteConnectManager(Func<RemoteConnectDTO, bool, bool, bool> setOnlineState, Func<DeviceRemoteConnectDTO, bool, bool, bool> deviceSetOnlineState, IAuthenticationService _authService)
        {
            _authenticationService = _authService;
            OnRemoteConnectOnlineState = setOnlineState;
            OnDeviceRemoteConnectOnlineState = deviceSetOnlineState;
            StartCheckClients();
        }

        /// <summary>
        /// 加入检测集合
        /// </summary>
        /// <param name="key"></param>
        /// <param name="userToken"></param>
        /// <param name="deviceCode"></param>
        /// <param name="roomId"></param>
        public void AddOrUpdate(string key, string userToken, string deviceToken, string deviceCode, string userCode, string roomId, ConnectStatusEnum statusEnum, LoginSource loginSource, TransactionTypeEnum transactionType = TransactionTypeEnum.AfterSales)
        {
            _remoteConnects.AddOrUpdate(key, new RemoteConnectDTO(userToken, deviceToken, deviceCode, userCode, roomId, statusEnum, transactionType, loginSource), (k, v) =>
            {
                v.Activate();
                v.StatusEnum = statusEnum;
                v.DeviceToken = deviceToken;
                v.LoginSource = loginSource;
                v.UserToken = userToken;
                v.IsNeedSyn = v.IsNeedSyn;
                return v;
            });
        }

        /// <summary>
        /// 加入检测集合
        /// </summary>
        /// <param name="key"></param>
        /// <param name="userToken"></param>
        /// <param name="deviceCode"></param>
        /// <param name="roomId"></param>
        public void AddOrUpdateHeart(string key, bool isNeedSyn, string userToken, string deviceToken, string deviceCode, string userCode, string roomId, ConnectStatusEnum statusEnum, LoginSource loginSource, TransactionTypeEnum transactionType = TransactionTypeEnum.AfterSales)
        {
            _remoteConnects.AddOrUpdate(key, new RemoteConnectDTO(isNeedSyn, userToken, deviceToken, deviceCode, userCode, roomId, statusEnum, transactionType, loginSource), (k, v) =>
            {
                v.Activate();
                v.StatusEnum = statusEnum;
                v.DeviceToken = deviceToken;
                v.LoginSource = loginSource;
                v.UserToken = userToken;
                v.IsNeedSyn = isNeedSyn;
                return v;
            });
        }

        /// <summary>
        /// 加入检测集合
        /// </summary>
        /// <param name="key"></param>
        /// <param name="userToken"></param>
        /// <param name="deviceCode"></param>
        /// <param name="roomId"></param>
        public void DeviceAddOrUpdate(string key, string deviceToken, string userToken, string userCode, string deviceCode, TransactionTypeEnum transactionType)
        {
            _deviceRemoteConnects.AddOrUpdate(key, new DeviceRemoteConnectDTO(deviceToken, userToken, userCode, deviceCode, transactionType), (k, v) =>
            {                
                v.UserToken = userToken;
                v.DeviceToken = deviceToken;
                v.IsNeedSyn = v.IsNeedSyn;
                v.Activate();
                return v;
            });
        }

        /// <summary>
        /// 加入检测集合
        /// </summary>
        /// <param name="key"></param>
        /// <param name="userToken"></param>
        /// <param name="deviceCode"></param>
        /// <param name="roomId"></param>
        public void DeviceAddOrUpdateHeart(string key, bool isNeedSyn, string deviceToken, string userToken, string userCode, string deviceCode, TransactionTypeEnum transactionType)
        {
            _deviceRemoteConnects.AddOrUpdate(key, new DeviceRemoteConnectDTO(isNeedSyn, deviceToken, userToken, userCode, deviceCode, transactionType), (k, v) =>
            {
                v.UserToken = userToken;
                v.DeviceToken = deviceToken;
                v.IsNeedSyn = isNeedSyn;
                v.Activate();
                return v;
            });
        }

        /// <summary>
        /// 是否存在token
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public TransactionTypeEnum GetConnectTransactionType(string key)
        {
            TransactionTypeEnum transactionType = TransactionTypeEnum.AfterSales;
            if (_remoteConnects?.Count > 0)
            {
                var res = _remoteConnects.ContainsKey(key);
                if (res)
                {
                    transactionType = _remoteConnects[key].TransactionType;
                }
            }
            return transactionType;
        }

        /// <summary>
        /// 获取
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public string GetRoomId(string key)
        {
            string result = "";
            if (_remoteConnects?.Count > 0)
            {
                var res = _remoteConnects.ContainsKey(key);
                if (res)
                {
                    result = _remoteConnects[key]?.RoomId ?? string.Empty;
                }
            }
            return result;
        }

        /// <summary>
        /// 获取
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public bool GetExistDeviceRoomId(string key)
        {
            bool res = false;
            if (_deviceRemoteConnects?.Count > 0)
            {
                res = _deviceRemoteConnects.ContainsKey(key);
            }
            return res;
        }


        /// <summary>
        /// 获取
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public RemoteConnectDTO GetRemoteConnectDTO(string key)
        {
            RemoteConnectDTO result = null;
            if (_remoteConnects?.Count > 0)
            {
                var res = _remoteConnects.ContainsKey(key);
                if (res)
                {
                    result = _remoteConnects[key];
                }
            }
            return result;
        }

        /// <summary>
        /// 获取
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public DeviceRemoteConnectDTO GetDeviceRemoteConnectDTO(string key)
        {
            DeviceRemoteConnectDTO result = null;
            if (_deviceRemoteConnects?.Count > 0)
            {
                var res = _deviceRemoteConnects.ContainsKey(key);
                if (res)
                {
                    result = _deviceRemoteConnects[key];
                }
            }
            return result;
        }

        /// <summary>
        /// 根据用户token查询所有的连接状态
        /// </summary>
        /// <param name="userToken"></param>
        /// <returns></returns>
        public List<RemoteConnectDTO> GetAllRemoteConnectByUserToken(string userToken)
        {
            var result = new List<RemoteConnectDTO>();
            if (_remoteConnects?.Count > 0)
            {
                foreach (var item in _remoteConnects.Values)
                {
                    if (item.UserToken == userToken)
                    {
                        result.Add(item);
                    }
                }
            }
            return result;
        }

        /// <summary>
        /// 根据deviceCode查询所有的连接状态
        /// </summary>
        /// <param name="userToken"></param>
        /// <returns></returns>
        public List<DeviceRemoteConnectDTO> GetAllRemoteConnectByDeviceToken(string deviceToken)
        {
            var result = new List<DeviceRemoteConnectDTO>();
            if (_deviceRemoteConnects?.Count > 0)
            {
                foreach (var item in _deviceRemoteConnects.Values)
                {
                    if (item.DeviceToken == deviceToken)
                    {
                        result.Add(item);
                    }
                }
            }
            return result;
        }

        public IList<RemoteConnectDTO> GetAllRemoteConnectList(string deviceCode)
        {
            var dataList = new List<RemoteConnectDTO>();
            if (_remoteConnects?.Count > 0)
            {
                foreach (var item in _remoteConnects.Values)
                {
                    if (item.DeviceCode == deviceCode)
                    {
                        dataList.Add(item);
                    }
                }
            }
            return dataList;
        }

        public IList<DeviceRemoteConnectDTO> GetAllDeviceRemoteConnectList(string deviceCode)
        {
            var dataList = new List<DeviceRemoteConnectDTO>();
            if (_deviceRemoteConnects?.Count > 0)
            {
                foreach (var item in _deviceRemoteConnects.Values)
                {
                    if (item.DeviceCode == deviceCode)
                    {
                        dataList.Add(item);
                    }
                }
            }
            return dataList;
        }

        public RemoteConnectDTO GetDeviceRemoteConnectInfo(string deviceCode)
        {
            RemoteConnectDTO info = null;
            if (_remoteConnects?.Count > 0)
            {
                foreach (var item in _remoteConnects.Values)
                {
                    if (item.DeviceCode == deviceCode)
                    {
                        info = item;
                        break;
                    }
                }
            }
            return info;
        }

        /// <summary>
        /// 查询设备是否空闲
        /// </summary>
        /// <param name="userToken"></param>
        /// <param name="deviceCode"></param>
        /// <returns>是否被他人专用</returns>
        public int IsIdle(string userToken, string deviceCode, TransactionTypeEnum type = TransactionTypeEnum.AfterSales)
        {
            int res = 0;
            if (_remoteConnects?.Count > 0)
            {
                RemoteConnectDTO checkItem = null;
                foreach (var item in _remoteConnects.Values)
                {
                    if (item.DeviceCode == deviceCode)
                    {
                        checkItem = item;
                        break;
                    }
                }
                if (checkItem != null)
                {
                    //找到，判断usertoken是否一样, 如果不一样，则表示不是同一个人，则为他人已连接
                    if (checkItem.UserToken != userToken)
                    {
                        //判断如果是同一个人，不同端
                        var checkItemReq = new WingInterfaceLibrary.Request.TokenRequest() { Token = checkItem.UserToken };
                        var checkItemToken = _authenticationService.GetTokenAsync(checkItemReq).Result;

                        var userReq = new WingInterfaceLibrary.Request.TokenRequest() { Token = userToken };
                        var userTokenInfo = _authenticationService.GetTokenAsync(userReq).Result;
                        //这两个一样，表示不同端登录
                        if (checkItemToken.ClientId == userTokenInfo.ClientId)
                        {
                            res = 2;
                        }
                        else
                        {
                            res = 1;
                        }
                    }
                    //如果是同一个人，但是针对不同的模块也是不行的，比如正在会诊调参，是不能进行远程连接的
                    else if (checkItem.UserToken == userToken && checkItem.TransactionType != type)
                    {
                        res = 1;
                    }
                }
            }
            return res;
        }

        /// <summary>
        /// 尝试关闭
        /// </summary>
        /// <param name="key"></param>
        public bool Close(string key)
        {
            if (_remoteConnects.ContainsKey(key))
            {
                var res = _remoteConnects.TryRemove(key, out _);
                return res;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 尝试关闭
        /// </summary>
        /// <param name="key"></param>
        public bool DeviceClose(string key)
        {   
            if (_deviceRemoteConnects.ContainsKey(key))
            {
                var res = _deviceRemoteConnects.TryRemove(key, out _);
                return res;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 设备心跳有效期验证
        /// </summary>
        private void StartCheckClients()
        {
            Logger.WriteLineInfo($"RemoteConnectManager start check clients");
            Task.Run(async () =>
            {
                while (true)
                {
                    await Task.Delay(1 * 1000 * _rateSeconds);
                    foreach (var token in _remoteConnects.Keys)
                    {
                        var remoteConnectDTO = _remoteConnects[token];
                        remoteConnectDTO.DeActivate();
                        try
                        {
                            if (remoteConnectDTO.LeftTime < 0)
                            {
                                Logger.WriteLineInfo($"RemoteConnectManager StartCheckClients, user is not online, Token:{ remoteConnectDTO.UserToken }, DeviceCode:{ remoteConnectDTO.DeviceCode }");
                                OnRemoteConnectOnlineState?.Invoke(remoteConnectDTO, remoteConnectDTO.IsNeedSyn, false);
                            }
                        }
                        catch (Exception ex)
                        {
                            Logger.WriteLineWarn($"check remote connect token {token} err, {ex}");
                        }
                    }

                    foreach (var token in _deviceRemoteConnects.Keys)
                    {
                        var deviceRemoteConnectDTO = _deviceRemoteConnects[token];
                        deviceRemoteConnectDTO.DeActivate();
                        try
                        {
                            if (deviceRemoteConnectDTO.LeftTime < 0)
                            {
                                Logger.WriteLineInfo($"RemoteConnectManager StartCheckClients, device is not online, Token:{ deviceRemoteConnectDTO.DeviceToken }, UserCode:{ deviceRemoteConnectDTO.UserCode }");
                                OnDeviceRemoteConnectOnlineState?.Invoke(deviceRemoteConnectDTO, deviceRemoteConnectDTO.IsNeedSyn, false);
                            }
                        }
                        catch (Exception ex)
                        {
                            Logger.WriteLineWarn($"check remote connect token {token} err, {ex}");
                        }
                    }
                }
            });
            Logger.WriteLineInfo($"RemoteConnectManager finished");
        }
    }

    /// <summary>
    /// 远程连接管理实体
    /// </summary>
    internal class RemoteConnectDTO
    {
        /// <summary>
        /// 有参构造
        /// </summary>
        public RemoteConnectDTO(bool isNeedSyn, string userToken, string deviceToken, string deviceCode, string userCode, string roomId, ConnectStatusEnum statusEnum, TransactionTypeEnum transactionType, LoginSource loginSource)
        {
            UserToken = userToken;
            DeviceToken = deviceToken;
            DeviceCode = deviceCode;
            UserCode = userCode;
            RoomId = roomId;
            TransactionType = transactionType;
            StatusEnum = statusEnum;
            LoginSource = loginSource;
            IsNeedSyn = isNeedSyn;
        }

        /// <summary>
        /// 有参构造
        /// </summary>
        public RemoteConnectDTO(string userToken, string deviceToken, string deviceCode, string userCode, string roomId, ConnectStatusEnum statusEnum, TransactionTypeEnum transactionType, LoginSource loginSource)
        {
            UserToken = userToken;
            DeviceToken = deviceToken;
            DeviceCode = deviceCode;
            UserCode = userCode;
            RoomId = roomId;
            TransactionType = transactionType;
            StatusEnum = statusEnum;
            LoginSource = loginSource;
        }

        /// <summary>
        /// 类型
        /// </summary>
        public TransactionTypeEnum TransactionType { get; set; }

        /// <summary>
        /// 状态
        /// </summary>
        public ConnectStatusEnum StatusEnum { get; set; }

        /// <summary>
        /// 用户Token
        /// </summary>
        public string UserToken { get; set; }

        /// <summary>
        /// 设备Token
        /// </summary>
        public string DeviceToken { get; set; }

        /// <summary>
        /// 用户code
        /// </summary>
        public string UserCode { get; set; }

        /// <summary>
        /// 房间id
        /// </summary>
        public string RoomId { get; set; }

        /// <summary>
        /// 设备code
        /// </summary>
        public string DeviceCode { get; set; }

        /// <summary>
        /// 是否需要同步数据处理
        /// </summary>
        public bool IsNeedSyn { get; set; }

        /// <summary>
        /// 用户来源
        /// </summary>
        /// <value></value>
        public LoginSource LoginSource { get; set; }

        private volatile int _livingTime = 0;

        private readonly int _clientLifeCycle = 3; //3次无心跳就默认断开

        /// <summary>
        /// 离开次数
        /// </summary>
        public int LeftTime => _clientLifeCycle - _livingTime;

        /// <summary>
        /// Reset the living time.
        /// </summary>
        public virtual void Activate()
        {
            _livingTime = 0;
        }
        
        /// <summary>
        /// Deactive the session.
        /// </summary>
        public virtual void DeActivate()
        {
            _livingTime++;
        }
    }

    /// <summary>
    /// 设备远程连接管理实体
    /// </summary>
    internal class DeviceRemoteConnectDTO
    {
        /// <summary>
        /// 有参构造
        /// </summary>
        public DeviceRemoteConnectDTO(bool isNeedSyn, string deviceToken, string userToken, string userCode, string deviceCode, TransactionTypeEnum transactionType)
        {
            DeviceToken = deviceToken;
            UserToken = userToken;
            UserCode = userCode;
            DeviceCode = deviceCode;
            TransactionType = transactionType;
            IsNeedSyn = isNeedSyn;
        }

        /// <summary>
        /// 有参构造
        /// </summary>
        public DeviceRemoteConnectDTO(string deviceToken, string userToken, string userCode, string deviceCode, TransactionTypeEnum transactionType)
        {
            DeviceToken = deviceToken;
            UserToken = userToken;
            UserCode = userCode;
            DeviceCode = deviceCode;
            TransactionType = transactionType;
        }

        /// <summary>
        /// 类型
        /// </summary>
        public TransactionTypeEnum TransactionType { get; set; }

        /// <summary>
        /// 设备Token
        /// </summary>
        public string DeviceToken { get; set; }

        /// <summary>
        /// 用户Token
        /// </summary>
        public string UserToken { get; set; }
        
        /// <summary>
        /// 设备code
        /// </summary>
        public string DeviceCode { get; set; }

        /// <summary>
        /// 设备code
        /// </summary>
        public string UserCode { get; set; }        
        
        /// <summary>
        /// 是否需要同步数据处理
        /// </summary>
        public bool IsNeedSyn { get; set; }

        private volatile int _livingTime = 0;

        private readonly int _clientLifeCycle = 3; //3次无心跳就默认断开

        /// <summary>
        /// 离开次数
        /// </summary>
        public int LeftTime => _clientLifeCycle - _livingTime;

        /// <summary>
        /// Reset the living time.
        /// </summary>
        public virtual void Activate()
        {
            _livingTime = 0;
        }

        /// <summary>
        /// Deactive the session.
        /// </summary>
        public virtual void DeActivate()
        {
            _livingTime++;
        }
    }
}