using GDZZ.Core;
using Furion.DependencyInjection;
using Furion.DynamicApiController;
using Mapster;
using Microsoft.AspNetCore.Mvc;

using System.Linq;
using System.Threading.Tasks;
using GDZZ.Application.Entity;
using System.Collections.Generic;
using K4os.Hash.xxHash;
using GDZZ.Core.Entity;
using Furion;
using GDZZ.Application.Help;
using Furion.LinqBuilder;
using System;
using static K4os.Compression.LZ4.Engine.Pubternal;
using Microsoft.AspNetCore.SignalR;
using GDZZ.Application.Service.LiveHistoryContacts.Dto;
using Microsoft.AspNetCore.Http;
using SqlSugar;
using System.IO;
using Yitter.IdGenerator;
using Microsoft.Extensions.Options;
using ICacheService = GDZZ.Application.Help.ICacheService;

namespace GDZZ.Application
{
    /// <summary>
    /// 聊天服务
    /// </summary>
    [ApiDescriptionSettings("Application", Name = "LiveHistoryContacts", Order = 1)]
    public class LiveHistoryContactsService : ILiveHistoryContactsService, IDynamicApiController, ITransient
    {
        private readonly SqlSugarRepository<LiveHistoryContacts> _rep;      //聊天历史任务列表仓储
        private readonly SqlSugarRepository<LiveMessage> liveMessageRep;    //消息仓储
        private readonly SqlSugarRepository<LiveUserFriend> liveUserFriend; //好友表仓储
        private readonly SqlSugarRepository<SysUser> _sysUserRep;  // 用户表仓储 
        private readonly SqlSugarRepository<OnlineUser> _sysOnlineUerRep;  // 在线用户表仓储
        private readonly  ICacheService cacheService;
        private readonly IHubContext<ChatHub, IChatClient> _chatHubContext;
        private readonly UploadFileOptions _options;

        public LiveHistoryContactsService(SqlSugarRepository<LiveHistoryContacts> rep,
            ICacheService cacheService,
            IOptions<UploadFileOptions> options,
            SqlSugarRepository<SysUser> _sysUserRep,
            SqlSugarRepository<OnlineUser> sysOnlineUerRep,
            SqlSugarRepository<LiveUserFriend> liveUserFriend,
            IHubContext<ChatHub, IChatClient> chatHubContext,
            SqlSugarRepository<LiveMessage> liveMessageRep)
        {

            _rep = rep;
            _options = options.Value;
            this.cacheService = cacheService;
            this._chatHubContext= chatHubContext;
            this._sysOnlineUerRep = sysOnlineUerRep;
            this.liveUserFriend = liveUserFriend;
            this.liveMessageRep = liveMessageRep;
            this._sysUserRep = _sysUserRep;
        }

        #region 聊天列表

        /// <summary>
        /// 新增联系人
        /// </summary>
        /// <returns></returns>
        [HttpPost("/Mini/LiveHistoryContacts/AddLive")]
        public async Task AddLive(AddLiveHistoryContactsInput input)
        {

            var entity = input.Adapt<LiveHistoryContacts>();
            await _rep.InsertAsync(entity);
            await this.cacheService.DelLiveHistoryService(UserManager.UserId);
        }


        /// <summary>
        /// 修改消息条数
        /// </summary>
        /// <returns></returns>
        [HttpPut("/Mini/LiveHistoryContacts/UPLive")]
        public async Task UPLive(UpdateLiveHistoryContactsInput input)
        {


            var entity = input.Adapt<LiveHistoryContacts>();
            await _rep.AsUpdateable(entity).IgnoreColumns(ignoreAllNullColumns: true).ExecuteCommandAsync();
            await this.cacheService.DelLiveHistoryService(UserManager.UserId);
        }


        /// <summary>
        /// 删除联系人
        /// </summary>
        /// <returns></returns>
        [HttpDelete("/Mini/LiveHistoryContacts/DelLive")]
        public async Task DelLive(long ID)
        {

            var entity = await this.liveUserFriend.SingleAsync(x => x.Id == ID);
            await _rep.DeleteAsync(entity);
            await this.cacheService.DelLiveHistoryService(UserManager.UserId);
        }






        /// <summary>
        /// 获取联系人
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpGet("/Mini/LiveHistoryContacts/list")]
        public async Task<List<LiveHistoryLists>> List()
        {

            var history = await this.cacheService.GetLiveHistoryService(UserManager.UserId);
            if (!history.IsNullOrEmpty())
                return history;

            List<LiveHistoryLists> historyLists = new List<LiveHistoryLists>();
            //获取好友列表
            var friends = await this.liveUserFriend.Where(x => x.CreatedUserId == UserManager.UserId).ToListAsync();
            foreach (var item in friends)
            {

                //获取用户信息
                var sysUser = await this._sysUserRep.SingleAsync(x => x.Id == item.FriendID);
                if (sysUser == null)
                    continue;
                var liveHis = new LiveHistoryLists()
                {
                    Avatar = sysUser.Avatar,
                    DisplayName = sysUser.NickName,
                    Id = item.FriendID,
                    Index = sysUser.Name.Substring(0, 1),
                    LastSendTime = (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000,
                    Unread = await this.cacheService.GetUnreadAsync(UserManager.UserId)
                };

                //查询聊天记录
                //rm -rf mk dir   ls   install  cd home   //ru-rf
                var live = await this.liveMessageRep.Where(x => x.CreatedUserId == UserManager.UserId && x.OtherUserID == item.FriendID || (x.CreatedUserId == item.FriendID && x.OtherUserID == UserManager.UserId)).OrderByDescending(x =>x.CreatedTime).FirstAsync();

                if (live != null)
                {
                    liveHis.LastSendTime = (live.SendTime.ToUniversalTime().Ticks - 621355968000000000) / 10000;
                    liveHis.LastSendTimeData = live.SendTime;
                    liveHis.LastContent = live.Content;
                    liveHis.Type = live.Type;
                }
                historyLists.Add(liveHis);
            }

            await this.cacheService.SetLiveHistoryService(UserManager.UserId, historyLists);
            return historyLists;
        }
        #endregion

        #region 聊天详情

        /// <summary>
        /// 获取聊天详情
        /// </summary>
        /// <returns></returns>
        [HttpGet("/Mini/LiveHistoryContacts/GetMessageLists")]
        public async Task<List<LiveMessageList>> GetMessageLists(long OtherUserID)
        {
            var res = await this.liveMessageRep.Where(x => x.CreatedUserId == UserManager.UserId && x.OtherUserID == OtherUserID).ToListAsync();
            return res.Adapt<List<LiveMessageList>>();
        }

        /// <summary>
        /// 增加聊天详情
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost("/Mini/LiveHistoryContacts/addMessage")]
        public async Task AddMessage(AddLiveMessageInput input)
        {
            var entity = input.Adapt<LiveMessage>();
            var live =   this.liveMessageRep.InsertReturnEntity(entity);
            var user = await _sysOnlineUerRep.Where(m => m.UserId == entity.OtherUserID).OrderByDescending(x=>x.LastTime).FirstAsync();
            if (user != null)
            {
                var livemes = new LiveMessageInput()
                {
                    id = live.Id.ToString(),
                    type = live.Type,
                    content = live.Content,
                    sendTime = new DateTimeOffset((DateTime)live.CreatedTime).ToUnixTimeSeconds(),
                    status = "succeed",
                    toContactId = entity.OtherUserID,
                    fromUser = new Fromuser()
                    {
                        avatar = this._sysUserRep.FirstOrDefaultAsync(x => x.Id == UserManager.UserId).Result.Avatar,
                        displayName = UserManager.Name,
                        id = UserManager.UserId
                    }
                };
                await this.cacheService.SetUnreadAsync(UserManager.UserId);
                await this.cacheService.SetUnreadAsync(entity.OtherUserID);
                var livejson = livemes.ToJsonString();
                
                await _chatHubContext.Clients.Client(user.ConnectionId).SendMessage(livejson, "SendMessage");
            }
        }


        /// <summary>
        /// 上传文件
        /// </summary>
        /// <param name="file"></param>
        /// <returns></returns>
        [HttpPost("/Mini/LiveHistoryContacts/upload")]
        public async Task<LiveFileOutput> UploadFileDefault(IFormFile file)
        {
            // 可以读取系统配置来决定将文件存储到什么地方
           return await UploadFile(file, _options.Default.path, FileLocation.LOCAL);
        }
        /// <summary>
        /// 上传文件
        /// </summary>
        /// <param name="file"></param>
        /// <param name="pathType"></param>
        /// <returns></returns>
        private static async Task<LiveFileOutput> UploadFile(IFormFile file, string pathType, FileLocation fileLocation)
        {
            var fileSizeKb = (long)(file.Length / 1024.0); // 文件大小KB
            var originalFilename = file.FileName; // 文件原始名称
            var fileSuffix = Path.GetExtension(file.FileName).ToLower(); // 文件后缀

            // 先存库获取Id
            var id = YitIdHelper.NextId();
            var newFile = new SysFile
            {
                Id = id,
                FileLocation = (int)FileLocation.LOCAL,
                FileBucket = FileLocation.LOCAL.ToString(),
                FileObjectName = $"{YitIdHelper.NextId()}{fileSuffix}",
                FileOriginName = originalFilename,
                FileSuffix = fileSuffix.TrimStart('.'),
                FileSizeKb = fileSizeKb.ToString(),
                FilePath = pathType
            };
            newFile = await App.GetService<ISqlSugarClient>().Insertable(newFile).ExecuteReturnEntityAsync();

            var finalName = newFile.FileObjectName; // 生成文件的最终名称   
            if (fileLocation == FileLocation.LOCAL) // 本地存储
            {
                var filePath = Path.Combine(App.WebHostEnvironment.WebRootPath, pathType);
                if (!Directory.Exists(filePath))
                    Directory.CreateDirectory(filePath);
                using (var stream = File.Create(Path.Combine(filePath, finalName)))
                {
                    await file.CopyToAsync(stream);
                }
            }
            else if (fileLocation == FileLocation.ALIYUN) // 阿里云OSS
            {
                var filePath = pathType + finalName;
                OSSClientUtil.DeletefileCode(filePath);

                var stream = file.OpenReadStream();
                OSSClientUtil.PushMedia(stream, filePath);
            }
            newFile.FileObjectName = finalName;
            return new LiveFileOutput() { Id = finalName, FileUrl= "/"+pathType + "/"+ finalName }; // 返回文件唯一标识
        }

        #endregion

    }
}