using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Vinno.IUS.Common;
using Vinno.IUS.Common.Log;
using Vinno.IUS.Common.Network.Transfer;
using Vinno.vCloud.Client.Proxy.Interfaces;
using Vinno.vCloud.Protocol.Infrastructures;
using Vinno.vCloud.Protocol.Initializers;
using Vinno.vCloud.Protocol.Messages.Client.Account;
using Vinno.vCloud.Protocol.Messages.Client.Remedical.Reports;
using Vinno.vCloud.Protocol.Messages.Client.Remedical.TerminalDatas;
using Vinno.vCloud.Protocol.Messages.Client.Remedical.TerminialReords;
using Vinno.vCloud.Protocol.Messages.Client.RemoteDiagnosis;
using Vinno.vCloud.Protocol.Messages.Common;
using Vinno.vCloud.Protocol.Messages.Live;
using Vinno.vCloud.Protocol.Messages.Report;

namespace Vinno.vCloud.Client.Proxy
{
    public class VCloudClientsProxy
    {
        private DefaultLogEngine _logEngine;
        private ConcurrentDictionary<string, IFlyinsonoClient> _vCloudClients = new ConcurrentDictionary<string, IFlyinsonoClient>();
        private string _hostUrl;
        private static VCloudClientsProxy _instance;
        /// <summary>
        /// The unique instance of app manager
        /// </summary>
        public static VCloudClientsProxy Instance => _instance ?? (_instance = new VCloudClientsProxy());

        public event EventHandler<ConversationMemberNotification> MeetingMemberNotificationArrived;//成员改变通知

        public event EventHandler<HangupConversationMemberNotification> MeetingHangupNotificationArrived;//挂断通知

        public event EventHandler<RejectConversationNotification> MeetingRejectNotificationArrived;//对方拒绝通知

        public event EventHandler<AcceptConversationNotification> MeetingAcceptNotificationArrived;//发起者收到对方接受通知

        public event EventHandler<PendingTimeoutConversationNotification> MeetingPendingMemberTimeoutNotificationArrived;//应答超时通知

        private readonly ManualResetEvent _closeEvent = new ManualResetEvent(false);

        private readonly int _sessionCheckInterval = 30 * 60 * 1000;
        /// <summary>
        /// instance intialize
        /// </summary>
        public void Initialize(string hostUrl)
        {
            _hostUrl = hostUrl;
            ClientTagsInitializer.Initialize();

            var logPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "VCloudClientsProxyLogs");
            CommonParameters.DataFolder = logPath;
            _logEngine = new DefaultLogEngine();
            Logger.RegisterEngine(_logEngine);
            StartCheckSessions();
        }

        /// <summary>
        /// Login with specified wechat token, vCloud user name and password
        /// </summary>
        /// <param name="wechatToken"></param>
        /// <param name="userName"></param>
        /// <param name="password"></param>
        /// <returns></returns>
        public LoginStatus Login(string openId, string userName, string password)
        {
            Logger.WriteLineInfo($"VCloudClient Login openId:{openId}   Name:{userName}");
            var client = CreateCloudClient(openId, _hostUrl);
            var result = client.LoginByOpenId(openId, userName, password);
            if (result == LoginStatus.Success)
            {
                _vCloudClients.AddOrUpdate(openId, client, (k, c) => client);
            }
            else
            {
                CloudClientDispose(client);
            }
            return result;
        }

        private VCloudClient CreateCloudClient(string openId, string hostUrl)
        {
            Logger.WriteLineInfo($"VCloudClient CreateCloudClient openId:{openId}   hostUrl:{hostUrl}");
            var client = new VCloudClient(openId, hostUrl);
            client.MeetingMemberNotificationArrived += OnMeetingMemberNotificationArrived;
            client.MeetingHangupNotificationArrived += OnMeetingHangupNotificationArrived;
            client.RejectMeetingNotificationArrived += OnMeetingRejectNotificationArrived;
            client.AcceptMeetingNotificationArrived += OnMeetingAcceptNotificationArrived;
            client.ChatPendingMemberTimeoutNotificationArrived += OnMneetingPendingMemberTimeoutNotificationArrived;


            return client;
        }

        private void CloudClientDispose(VCloudClient vCloudClient)
        {
            vCloudClient.MeetingMemberNotificationArrived -= OnMeetingMemberNotificationArrived;
            vCloudClient.MeetingHangupNotificationArrived -= OnMeetingHangupNotificationArrived;
            vCloudClient.RejectMeetingNotificationArrived -= OnMeetingRejectNotificationArrived;
            vCloudClient.AcceptMeetingNotificationArrived -= OnMeetingAcceptNotificationArrived;
            vCloudClient.ChatPendingMemberTimeoutNotificationArrived -= OnMneetingPendingMemberTimeoutNotificationArrived;
            vCloudClient.Dispose();
        }

        private void OnMeetingAcceptNotificationArrived(object sender, AcceptMeetingNotification e)
        {
            if (sender is VCloudClient vCloudClient)
            {
                MeetingAcceptNotificationArrived?.Invoke(this, new AcceptConversationNotification
                {
                    OpenId = vCloudClient.OpenId,
                    AcceptMeetingNotification = e
                });
            }
        }


        private void OnMeetingRejectNotificationArrived(object sender, RejectMeetingNotification e)
        {
            if (sender is VCloudClient vCloudClient)
            {
                MeetingRejectNotificationArrived?.Invoke(this, new RejectConversationNotification
                {
                    OpenId = vCloudClient.OpenId,
                    RejectMeetingNotification = e
                });
            }
        }


        private void OnMeetingHangupNotificationArrived(object sender, MeetingHangupNotification e)
        {
            if (sender is VCloudClient vCloudClient)
            {
                MeetingHangupNotificationArrived?.Invoke(this, new HangupConversationMemberNotification
                {
                    OpenId = vCloudClient.OpenId,
                    MeetingHangupNotification = e
                });
            }
        }

        private void OnMeetingMemberNotificationArrived(object sender, MeetingMemberNotification e)
        {
            if (sender is VCloudClient vCloudClient)
            {
                MeetingMemberNotificationArrived?.Invoke(this, new ConversationMemberNotification
                {
                    OpenId = vCloudClient.OpenId,
                    MeetingMemberNotification = e
                });
            }
        }

        private void OnMneetingPendingMemberTimeoutNotificationArrived(object sender, ChatPendingMemberTimeoutNotification e)
        {
            if (sender is VCloudClient vCloudClient)
            {
                MeetingPendingMemberTimeoutNotificationArrived?.Invoke(this, new PendingTimeoutConversationNotification()
                {
                    OpenId = vCloudClient.OpenId,
                    Notification = e
                });
            }
        }

        /// <summary>
        /// 开始会诊
        /// </summary>
        /// <param name="openId"></param>
        /// <param name="roomId"></param>
        /// <param name="consultationId"></param>
        /// <returns></returns>
        public ConsultationResult StartConversation(string openId, string roomId, string consultationId)
        {
            Logger.WriteLineInfo($"VCloudClient StartConversation openId:{openId} roomId:{roomId}  consultationId:{consultationId}");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                var consultationMessage = vCloudClient.FindConsultationById(consultationId);
                vCloudClient.ArrangeConsultation(new ArrangeAppointmentRequest()
                {
                    Id = consultationId,
                    AppointDate = DateTime.UtcNow,
                    ExpertId = consultationMessage?.ExpertId
                });
                return vCloudClient.StartConversation(roomId, consultationId);
            }
            return null;
        }

        public LiveStates CancelStartConversation(string openId, string roomId)
        {
            Logger.WriteLineInfo($"VCloudClient CancelStartConversation openId:{openId} roomId:{roomId}");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.CancelStartConversation(roomId);
            }
            return LiveStates.UnknowException;
        }

        public LiveStates ExitConsultation(string openId, string roomId, bool forceClosed, string terminalId, string consultationId)
        {
            Logger.WriteLineInfo($"VCloudClient ExitConsultation openId:{openId} roomId:{roomId} consultationId:consultationId");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.ExitConsultation(roomId, forceClosed, terminalId, consultationId);
            }
            return LiveStates.UnknowException;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="roomId"></param>
        /// <param name="initiatorId">发起者</param>
        /// <returns></returns>
        public LiveStates AcceptConsultation(string openId, string roomId, string initiatorId)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.AcceptConsultation(roomId, FeatureSource.RemoteDiagnosis, LiveStates.OK, initiatorId);
            }
            return LiveStates.UnknowException;
        }

        public LiveStates RejectConsultation(string openId, string roomId, string initiatorId)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.RejectConsultation(roomId, initiatorId);
            }
            return LiveStates.UnknowException;
        }

        public ConsultationResult InviteConsultationMember(string openId, string roomId, List<RecipientInfo> recipientInfos)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.InviteConsultationMember(roomId, FeatureSource.RemoteDiagnosis, recipientInfos);
            }
            return new ConsultationResult(LiveStates.UnknowException);
        }

        /// <summary>
        /// 通过openId获取用户信息
        /// </summary>
        /// <param name="openId"></param>
        /// <returns></returns>
        public WechatUserInfo GetUserInfoByOpenId(string openId)
        {
            Logger.WriteLineInfo($"VCloudClient GetUserInfoByOpenId {openId}");
            _vCloudClients.TryGetValue(openId, out IFlyinsonoClient vCloudClient);
            if (vCloudClient != null)
            {
                var userInfo = vCloudClient.GetUserInfoByOpenId(openId);
                Logger.WriteLineInfo($"VCloudClient GetUserInfoByOpenId, client existed, openId:{openId}, name:{userInfo.UserId} {userInfo.NickName}");
                return userInfo;
            }
            var client = CreateCloudClient(openId, _hostUrl);
            var result = client.LoginByOpenId(openId);
            if (result == LoginStatus.Success)
            {
                _vCloudClients.AddOrUpdate(openId, client, (k, c) => client);
                var userInfo= client.GetUserInfoByOpenId(openId);
                Logger.WriteLineInfo($"VCloudClient GetUserInfoByOpenId, login success, openId:{openId}, name:{userInfo.UserId} {userInfo.NickName}");
                return userInfo;
            }
            else
            {
                Logger.WriteLineInfo($"VCloudClient GetUserInfoByOpenId, login failed, openId:{openId}");
                CloudClientDispose(client);
            }
            return null;
        }

        private IFlyinsonoClient GetVCloudClient(string openId)
        {
            Logger.WriteLineInfo($"VCloudClient GetVCloudClient openId:{openId}");
            _vCloudClients.TryGetValue(openId, out IFlyinsonoClient vCloudClient);
            if (vCloudClient != null)
            {
                vCloudClient.Activate();
                return vCloudClient;
            }
            else
            {
                var client = CreateCloudClient(openId, _hostUrl);
                var result = client.LoginByOpenId(openId);
                if (result == LoginStatus.Success)
                {
                    _vCloudClients.AddOrUpdate(openId, client, (k, c) => client);
                    return client;
                }
                else
                {
                    CloudClientDispose(client);
                }
            }
            return null;
        }

        /// <summary>
        /// 获取会诊我的超声机
        /// </summary>
        /// <param name="openId"></param>
        /// <returns></returns>
        public List<TerminalInfo> GetMyTerminals(string openId)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetMyTerminals();
            }
            return null;
        }

        /// <summary>
        /// 获取会诊我的医院
        /// </summary>
        /// <param name="openId"></param>
        /// <returns></returns>
        public List<OrganBaseInfoMessage> GetMyHospitals(string openId)
        {
            Logger.WriteLineInfo($"VCloudClient GetMyHospitals openId:{openId}");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetMyHospitals();
            }
            return null;
        }

        /// <summary>
        /// 查询会诊记录
        /// </summary>
        public FindNewAppointmentsResult6 FindConsultationRecords(string openId, int startIndex, int pageSize, AppointmentsFilterMessage filter)
        {
            Logger.WriteLineInfo($"VCloudClient FindConsultationRecords openId:{openId} startIndex:{startIndex}  pageSize:{pageSize}");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.FindConsultationRecords(startIndex, pageSize, filter);
            }
            return null;
        }

        /// <summary>
        /// 创建会诊
        /// </summary>
        public string CreateConsultationRecord(string openId, CreateAppointmentRequest1 request)
        {
            Logger.WriteLineInfo($"VCloudClient CreateConsultationRecord openId:{openId}");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.CreateConsultationRecord(request);
            }
            return null;
        }

        /// <summary>
        /// 通过医院获取专家列表
        /// </summary>
        /// <param name=""></param>
        /// <returns></returns>
        public List<ExpertDetailMessage> FindMyExpertsByHospitalId(string openId, string hospitalId)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.FindMyExpertsByHospitalId(hospitalId);
            }
            return null;
        }

        /// <summary>
        /// 获取检查部位
        /// </summary>
        /// <param name="openId"></param>
        /// <returns></returns>
        public List<string> GetCheckPoint(string openId)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetCheckPoint();
            }
            return null;
        }

        /// <summary>
        ///通过远程记录Id查询图像
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public GetPatientRecordDatasSuccess9 GetPatientRecordImageById(string openId, GetPatientRecordDatasRequest11 request)
        {
            Logger.WriteLineInfo($"VCloudClient GetPatientRecordImageById openId:{openId}");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetPatientRecordImageById(request);
            }
            return null;
        }

        /// <summary>
        /// 通过记录Id获取报告
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public NewGetReportsSuccess5 GetReportByecordId(string openId, NewGetReportsRequest5 request)
        {
            Logger.WriteLineInfo($"VCloudClient GetReportByecordId openId:{openId}");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetReportByecordId(request);
            }
            return null;
        }

        /// <summary>
        /// 查询报告详情
        /// </summary>
        /// <param name="openId"></param>
        /// <param name="recordId"></param>
        /// <param name="reportId"></param>
        /// <returns></returns>
        public NewReportInfoMessage5 GetReportById(string openId, string recordId, string reportId)
        {
            Logger.WriteLineInfo($"VCloudClient GetReportById openId:{openId}");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetReportById(recordId, reportId);
            }
            return null;
        }

        /// <summary>
        /// 查询分时远程诊断记录
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public GetRecords11Success GetExamRecords(string openId, GetClientRecord11Request request)
        {
            Logger.WriteLineInfo($"VCloudClient GetExamRecords openId:{openId}");
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetExamRecords(request);
            }
            return null;
        }


        /// <summary>
        /// Log out with specifed wechat token
        /// </summary>
        /// <param name="wechatToken"></param>
        /// <returns></returns>
        public bool Logout(string openId)
        {
            var result = _vCloudClients.TryRemove(openId, out var client);
            if (result && client != null)
            {
                client.Logout();
                CloudClientDispose(client as VCloudClient);
                return true;
            }
            return false;
        }

        /// <summary>
        /// 查询系统默认报告模板
        /// </summary>
        /// <param name="openId"></param>
        /// <param name="languageCode"></param>
        /// <returns></returns>
        public List<ReportTemplateMessage> GetReportTemplates(string openId, string languageCode)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetReportTemplates(languageCode);
            }
            return new List<ReportTemplateMessage>();
        }

        /// <summary>
        /// 查询系统默认词条
        /// </summary>
        /// <param name="openId"></param>
        /// <param name="languageCode"></param>
        /// <returns></returns>
        public List<ReportTemplateMessage> GetThesaurusTemplates(string openId, string languageCode)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetThesaurusTemplates(languageCode);
            }
            return new List<ReportTemplateMessage>();
        }

        /// <summary>
        /// 获取会诊信息
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public ConsultationMessage FindConsultationById(string openId, string id)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.FindConsultationById(id);
            }
            return null;
        }

        /// <summary>
        /// 上传会诊状态
        /// </summary>
        /// <param name=""></param>
        /// <returns></returns>
        public bool UpdateRecordState(string openId, UpdateAppointmentStateRequest request)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.UpdateRecordState(request);
            }
            return false;
        }
        /// <summary>
        /// 安排申请单
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public bool ArrangeConsultation(string openId, ArrangeAppointmentRequest request)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.ArrangeConsultation(request);
            }
            return false;
        }

        /// <summary>
        /// 安排申请单
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public NewGetReportsSuccess5 GetConsultationReports(string openId, GetConsultationReportsRequest5 request)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.GetConsultationReports(request);
            }
            return null;
        }

        /// <summary>
        /// 保存报告
        /// </summary>
        /// <param name="openId"></param>
        /// <param name="request"></param>
        /// <returns></returns>
        public string SaveReport(string openId, NewAddReportRequest4 request)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.SaveReport(request);
            }
            return string.Empty;
        }


        /// <summary>
        /// Start a thread to check sessions intervally.
        /// </summary>
        private async void StartCheckSessions()
        {
            Logger.WriteLineInfo("SessionManager start check sessions.");
            await Task.Run(() =>
            {
                while (!_closeEvent.WaitOne(_sessionCheckInterval))
                {
                    try
                    {
                        var removeSessionId = new List<string>();
                        foreach (var session in _vCloudClients.Values)
                        {
                            session.DeActivate();
                            if (session.LeftTime <= 0)
                            {
                                removeSessionId.Add(session.OpenId);
                            }
                        }
                        foreach (var openId in removeSessionId)
                        {
                            _vCloudClients.TryRemove(openId, out IFlyinsonoClient vCloudClient);
                            CloudClientDispose(vCloudClient as VCloudClient);
                        }
                    }
                    catch (Exception ex)
                    {
                        Logger.WriteLineError($"CheckSessions error:{ex.Message}");
                    }
                    Logger.WriteLineVerbose("Sessions checked.");
                }
            });
        }


        /// <summary>
        /// 上传会诊截图
        /// </summary>
        /// <param name="consulationId"></param>
        /// <param name="imageToken"></param>
        /// <returns></returns>
        public bool UploadConsultationImages(string openId, string consulationId, string imageToken)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.UploadConsultationImages(consulationId, imageToken);
            }
            return false;
        }


        /// <summary>
        /// 上传会诊视频
        /// </summary>
        /// <param name="consulationId"></param>
        /// <param name="imageToken"></param>
        /// <returns></returns>
        public bool UploadConsulationVideos(string openId, string consulationId, string videoToken, string previewToken)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.UploadConsulationVideos(consulationId, videoToken, previewToken);
            }
            return false;
        }
        public string UploadFile(string openId, byte[] fileData)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.UploadFile(fileData);
            }
            return null;
        }

        public byte[] DownloadFile(string openId, string fileToken)
        {
            var vCloudClient = GetVCloudClient(openId);
            if (vCloudClient != null)
            {
                return vCloudClient.DownloadFile(fileToken);
            }
            return null;
        }

        /// <summary>
        /// Stop the session check thread.
        /// </summary>
        public void StopCheckSessions()
        {
            _closeEvent.Set();
        }
    }
}