using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Threading.Tasks;
using Common;
using CommonDomain;
using CommonDomain.BaseModel;
using Domain.Admin.Admin;
using DotNetCore.CAP;
using Microsoft.Extensions.Logging;
using MongoDB.Driver;
using MongoRepository;
using RedisService;
using UserDomain.Entity;
using UserService.User;
using UserService.Param;
using UserDomain.Enum;

namespace CommonService
{
    public class BackgroundOperationService : IBackgroundOperationService
    {
        private readonly IMongoBaseRepository<BackgroundOperationLog> _logRepo;
        private readonly IUserService _userService;
        private readonly ICapPublisher _capPublisher;
        private readonly IMongoBaseRepository<SystemUser> _adminRepo;
        private readonly IRedisService _redisService;
        private readonly ILogger<BackgroundOperationService> _logger;

        public BackgroundOperationService(
            IMongoBaseRepository<BackgroundOperationLog> logRepo,
            IUserService userService,
            ICapPublisher capPublisher,
            IMongoBaseRepository<SystemUser> adminRepo,
            IRedisService redisService,
            ILogger<BackgroundOperationService> logger)
        {
            _logRepo = logRepo;
            _userService = userService;
            _capPublisher = capPublisher;
            _adminRepo = adminRepo;
            _redisService = redisService;
            _logger = logger;
        }

        public async Task<(bool success, string message)> Charge(
            string adminUserId, string targetUserId, int currencyType, long amount, string remark)
        {
            var targetUser = await _userService.GetUser(targetUserId);
            if (targetUser == null)
                return (false, "目标用户不存在");

            var isBuiltInAdmin = adminUserId == "administrator";
            var adminUser = isBuiltInAdmin
                ? new SystemUser { Id = "administrator", UserName = "administrator" }
                : await _adminRepo.FindByIdAsync(adminUserId);
            if (adminUser == null)
                return (false, "管理员用户不存在");

            if (currencyType == 1)
            {
                targetUser.Assets.Gold += amount;
            }
            else if (currencyType == 2)
            {
                targetUser.Assets.Diamond += (int)amount;
                var rechargeMoney = amount / 100.0;
                targetUser.Static.TotalRecharge += rechargeMoney;
                try
                {
                    var gameConfig = _redisService.GetGameConfig();
                    var newVipLevels = targetUser.VipLevelVerify(gameConfig);
                    if (newVipLevels != null && newVipLevels.Count > 0)
                    {
                        var levelNames = string.Join(",", newVipLevels);
                        _capPublisher.Publish("VipLevelUp", new
                        {
                            UserId = targetUserId,
                            NewLevels = newVipLevels,
                            Remark = $"后台充值钻石触发VIP升级: {levelNames}"
                        });
                    }
                }
                catch (Exception ex)
                {
                    _logger.LogError(ex, "后台充值更新VIP失败 userId={UserId}", targetUserId);
                }
            }
            else
            {
                return (false, "不支持的货币类型");
            }

            await _userService.UpdateUser(targetUser);

            var logId = "";
            if (!isBuiltInAdmin)
            {
                var log = new BackgroundOperationLog
                {
                    AdminUserId = adminUserId,
                    AdminUserName = adminUser.UserName ?? adminUserId,
                    TargetUserId = targetUserId,
                    TargetUserName = targetUser.BaseInfo.UserName,
                    OperationType = 1,
                    CurrencyType = currencyType,
                    Amount = amount,
                    Remark = remark,
                    OperationTime = DateTimeOffset.UtcNow.ToUnixTimeSeconds()
                };
                await _logRepo.InsertOneAsync(log);
                logId = log.Id;
            }

             _capPublisher.Publish("UserAssetChange", new UserAssetParam
            {
                UserId = targetUserId,
                ChangeType = UserAssetChangeTypeEnum.增加,
                Gold = currencyType == 1 ? amount : 0,
                Diamond = currencyType == 2 ? (int)amount : 0,
                Source = RewardSource.后台操作,
                Remark = $"后台充值：{remark}",
                OtherId = logId,
                RoomName = "后台操作",
                RoomInfo = "后台充值"
            });

             _capPublisher.Publish("BackgroundOperation.NotifyUser", new BackgroundOperationNotifyMessage
            {
                UserId = targetUserId,
                CurrencyType = currencyType,
                ChangeType = 1,
                Amount = amount,
                NewGold = targetUser.Assets.Gold,
                NewDiamond = targetUser.Assets.Diamond,
                Source = "后台充值",
                Remark = remark
            });

            return (true, "充值成功");
        }

        public async Task<(bool success, string message)> Deduct(
            string adminUserId, string targetUserId, int currencyType, long amount, string remark)
        {
            var targetUser = await _userService.GetUser(targetUserId);
            if (targetUser == null)
                return (false, "目标用户不存在");

            if (currencyType == 1)
            {
                if (targetUser.Assets.Gold < amount)
                    return (false, "用户金币余额不足");
            }
            else if (currencyType == 2)
            {
                if (targetUser.Assets.Diamond < amount)
                    return (false, "用户钻石余额不足");
            }
            else
            {
                return (false, "不支持的货币类型");
            }

            var isBuiltInAdmin2 = adminUserId == "administrator";
            var adminUser = isBuiltInAdmin2
                ? new SystemUser { Id = "administrator", UserName = "administrator" }
                : await _adminRepo.FindByIdAsync(adminUserId);
            var adminUserName = adminUser?.UserName ?? adminUserId;

            if (currencyType == 1)
            {
                targetUser.Assets.Gold -= amount;
            }
            else if (currencyType == 2)
            {
                targetUser.Assets.Diamond -= (int)amount;
            }

            await _userService.UpdateUser(targetUser);

            var logId2 = "";
            if (!isBuiltInAdmin2)
            {
                var log = new BackgroundOperationLog
                {
                    AdminUserId = adminUserId,
                    AdminUserName = adminUserName,
                    TargetUserId = targetUserId,
                    TargetUserName = targetUser.BaseInfo.UserName,
                    OperationType = 2,
                    CurrencyType = currencyType,
                    Amount = amount,
                    Remark = remark,
                    OperationTime = DateTimeOffset.UtcNow.ToUnixTimeSeconds()
                };
                await _logRepo.InsertOneAsync(log);
                logId2 = log.Id;
            }

             _capPublisher.Publish("UserAssetChange", new UserAssetParam
            {
                UserId = targetUserId,
                ChangeType = UserAssetChangeTypeEnum.减少,
                Gold = currencyType == 1 ? amount : 0,
                Diamond = currencyType == 2 ? (int)amount : 0,
                Source = RewardSource.后台操作,
                Remark = $"后台扣除：{remark}",
                OtherId = logId2,
                RoomName = "后台操作",
                RoomInfo = "后台扣除"
            });

             _capPublisher.Publish("BackgroundOperation.NotifyUser", new BackgroundOperationNotifyMessage
            {
                UserId = targetUserId,
                CurrencyType = currencyType,
                ChangeType = 2,
                Amount = amount,
                NewGold = targetUser.Assets.Gold,
                NewDiamond = targetUser.Assets.Diamond,
                Source = "后台扣除",
                Remark = remark
            });

            return (true, "扣除成功");
        }

        public async Task<(List<BackgroundOperationLog> data, int total)> QueryLogs(
            string? adminUserId = null,
            string? targetUserId = null,
            int? operationType = null,
            int pageIndex = 1,
            int pageSize = 20)
        {
            var where = LinqExtensions.True<BackgroundOperationLog>();
            if (!string.IsNullOrEmpty(adminUserId))
                where = where.And(l => l.AdminUserId == adminUserId);
            if (!string.IsNullOrEmpty(targetUserId))
                where = where.And(l => l.TargetUserId == targetUserId);
            if (operationType.HasValue)
                where = where.And(l => l.OperationType == operationType.Value);

            var total = await _logRepo.CountAsync(where);
            var (count, list) = await _logRepo.QueryPageAsync(where, l => l.OperationTime, false, pageSize, pageIndex);
            
            return (list, (int)total);
        }

        public async Task<UserEntity> SearchUser(string keyword)
        {
            var user = await _userService.SearchUser(keyword);
            
           
            return user;
        }
    }
}