using AutoMapper;

using CoreCms.Net.Auth.HttpContextUser;
using CoreCms.Net.IRepository.UnitOfWork;
using CoreCms.Net.IServices;
using CoreCms.Net.Model.Entities;
using CoreCms.Net.Model.Entities.Expression;
using CoreCms.Net.Model.ViewModels.Basics;
using CoreCms.Net.Model.ViewModels.SQ;
using CoreCms.Net.Model.ViewModels.UI;
using CoreCms.Net.Services;
using CoreCms.Net.Services.SQ;

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

using NPOI.SS.Formula.Functions;

using SqlSugar;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using CoreCms.Net.Services.SQ;
using CoreCms.Net.Utility.Extensions;
using ToolGood.Words.internals;
using NPOI.SS.Formula.PTG;
using NPOI.OpenXmlFormats.Dml;
using Humanizer;
namespace CoreCms.Net.Web.WebApi.Controllers;

/// <summary>
/// 预约接口
/// </summary>
[Route("api/[controller]/[action]")]
[ApiController]
public class SQController : ControllerBase
{
    private readonly IWebHostEnvironment _webHostEnvironment;
    private readonly ISQReservationsServices _SQReservationsServices;
    private readonly ISQRoomsServices _SQRoomsServices;
    private readonly ISysDictionaryDataServices _sysDictionaryDataServices;
    private readonly ISysDictionaryServices _sysDictionaryServices;
    private readonly ISQReservationParticipantsServices _SQReservationParticipantsServices;
    private readonly IMapper _mapper;
    private readonly ICoreCmsUserServices _userServices;
    private readonly IHttpContextUser _user;
    private readonly SqlSugarScope _dbBase;
    private readonly ICoreCmsUserBlacklistServices _coreCmsUserBlacklistServices;
    private readonly ISQReservationReputationServices _sQReservationReputationServices;
    private readonly ISQReservationEvaluateServices _sQReservationEvaluateServices;
    private readonly ISQRoomUnavailableTimesServices _sQRoomUnavailableTimesServices;
    /// <summary>
    /// 构造函数
    ///</summary>
    public SQController(IWebHostEnvironment webHostEnvironment
        , ISQReservationsServices SQReservationsServices
       , ISQRoomsServices SQRoomsServices
          , ISysDictionaryServices sysDictionaryServices
        , ISysDictionaryDataServices sysDictionaryDataServices
        , ISQReservationParticipantsServices sQReservationParticipantsServices
        , IMapper mapper
        , ICoreCmsUserServices userServices
        , IHttpContextUser user
        , IUnitOfWork unitOfWork
        , ICoreCmsUserBlacklistServices coreCmsUserBlacklistServices
        ,
ISQReservationEvaluateServices sQReservationEvaluateServices
        ,
ISQReservationReputationServices sQReservationReputationServices
        ,
ISQRoomUnavailableTimesServices sQRoomUnavailableTimesServices



        )
    {
        _webHostEnvironment = webHostEnvironment;
        _SQReservationsServices = SQReservationsServices;
        _SQRoomsServices = SQRoomsServices;
        _sysDictionaryServices = sysDictionaryServices;
        _sysDictionaryDataServices = sysDictionaryDataServices;
        _SQReservationParticipantsServices = sQReservationParticipantsServices;
        _mapper = mapper;
        _userServices = userServices;
        _user = user;
        _dbBase = unitOfWork.GetDbClient();
        _coreCmsUserBlacklistServices = coreCmsUserBlacklistServices;
        _sQReservationEvaluateServices = sQReservationEvaluateServices;
        _sQReservationReputationServices = sQReservationReputationServices;
        _sQRoomUnavailableTimesServices = sQRoomUnavailableTimesServices;
    }


    /// <summary>
    /// 我的预约记录
    /// </summary>
    /// <param name="type">0 参与者，1发起者</param>
    /// <param name="index">起始页</param>
    /// <param name="size">页大小</param>
    /// <returns></returns>
    [HttpGet]
    [Authorize]
    public async Task<WebApiDto> GetMyReservation([FromQuery] int type = 0, [FromQuery] int index = 1, [FromQuery] int size = 10)
    {
        var userId = _user.ID;

        var list = await _dbBase.Ado.SqlQueryAsync<SQReservationsMyDto>($"select  r.*,p.id pid, p.status pstatus,p.join_time, p.quit_time ,p.is_refund from SQReservationParticipants p inner join SQReservations r on p.reservation_id=r.id  where p.user_id={userId} and  p.role={type}  order by p.id desc  OFFSET  {(index - 1) * size} ROWS FETCH NEXT {size} ROWS ONLY");
        if (list != null && list.Count > 0)
        {
            var roomList = await _SQRoomsServices.GetRoomList();
            // 转为基类列表
            var baseList = list.Cast<SQReservationsBaseDto>().ToList();
            await baseList.LoadSQReservationParticipantsApiDto(userId, _dbBase, _coreCmsUserBlacklistServices, roomList, _mapper);
        }
        return new WebApiDto()
        {
            Data = list,
            Code = 0,
        };
    }

    /// <summary>
    /// 获取正在进行的预约
    /// </summary>
    /// <returns></returns>
    [HttpGet]
    [Authorize]
    public async Task<WebApiDto> GetMyUseReservation()
    {
        var userId = _user.ID;

        var list = await _dbBase.Ado.SqlQueryAsync<SQReservationsApiDto>($"select top 3 r.* from SQReservations r left join  SQReservationParticipants p on r.id=p.reservation_id  where r.status<2 and p.user_id={userId} and p.status=0 order by r.start_time ");
        if (list != null && list.Count > 0)
        {
            var roomList = await _SQRoomsServices.GetRoomList();
            // 转为基类列表
            var baseList = list.Cast<SQReservationsBaseDto>().ToList();
            await baseList.LoadSQReservationParticipantsApiDto(userId, _dbBase, _coreCmsUserBlacklistServices, roomList, _mapper);
        }
        return new WebApiDto()
        {
            Data = list,
            Code = 0,
        };
    }

    /// <summary>
    /// 首页预约列表
    /// </summary>
    /// <param name="pageIndex"></param>
    /// <param name="pageSize"></param>
    /// <returns></returns>
    [HttpGet]
    public async Task<WebApiDto> GetReservationList([FromQuery] int pageIndex = 1, [FromQuery] int pageSize = 20)
    {
        var userId = _user.ID;
        var now = DateTime.Now;
        var roomList = await _SQRoomsServices.GetRoomList();
        var where = PredicateBuilder.True<SQReservations>();
        where = where.And(it => it.end_time > now);
        where = where.And(it => it.status < 2);
        var list = await _SQReservationsServices.QueryPageAsync(where, it => it.start_time, OrderByType.Asc, pageIndex, pageSize, true);
        var pageList = _mapper.Map<List<SQReservationsApiDto>>(list);
        if (pageList != null && pageList.Count > 0)
        {
            // 转为基类列表
            var baseList = pageList.Cast<SQReservationsBaseDto>().ToList();
            await baseList.LoadSQReservationParticipantsApiDto(userId, _dbBase, _coreCmsUserBlacklistServices, roomList, _mapper);
        }
        return new WebApiDto()
        {
            Data = pageList,
            Code = 0,
            Msg = "ok",
        };

    }

    /// <summary>
    /// 获取预约评价
    /// </summary>
    /// <param name="reId"></param>
    /// <returns></returns>
    [HttpGet]
    [Authorize]
    public async Task<WebApiDto> GetEvaluateServices([FromQuery] int reId)
    {
        var userId = _user.ID;
        var list = await _sQReservationEvaluateServices.QueryListByClauseAsync(it => it.reservation_id == reId && it.user_id == userId);
        var participants = await _dbBase.Ado.SqlQueryAsync<SQReservationParticipantsApiDto>($"select p.id,p.reservation_id,p.status,p.join_time,p.user_id, p.role,u.nickName UserName,u.avatarImage AvatarImage,ISNULL(u.play_level,4) play_level,ISNULL(u.skills_level,4) skills_level  from SQReservationParticipants p inner join CoreCmsUser u on p.user_id=u.id where p.status=0 and p.reservation_id ={reId} and p.is_arrive=1 ");
        if (participants == null || participants.Count == 0)
        {
            return new WebApiDto()
            {
                Code = 0,
                Data = null
            };
        }
        var userBlack = await _coreCmsUserBlacklistServices.GetUserBlacklists(userId);
        List<object> obj = new List<object>();
        foreach (var item in participants)
        {
            if (item.user_id == userId)
            {
                continue;
            }
            var is_evaluate = false;
            decimal play_level = 0;
            decimal skills_level = 0;
            decimal user_play_level = 4;
            decimal user_skills_level = 4;
            DateTime? now = null;
            var userBlackStatus = false;
            if (list.Count > 0)
            {
                var e = list.Find(it => it.to_user_id == item.user_id);
                if (e != null)
                {
                    is_evaluate = true;
                    play_level = e.play_level;
                    skills_level = e.skills_level;
                    now = e.created_at;
                    user_play_level = e.play_level;
                    user_skills_level = e.skills_level;
                }
            }
            if (userBlack.Count > 0)
            {
                if (userBlack.Any(it => it == item.user_id))
                {
                    userBlackStatus = true;
                }
            }
            var o = new
            {
                item.UserName,
                item.user_id,
                item.AvatarImage,
                userBlackStatus,
                user_play_level,
                user_skills_level,
                is_evaluate,
                play_level,
                skills_level,
                evaluate_at = now
            };
            obj.Add(o);
        }
        return new WebApiDto()
        {
            Code = 0,
            Data = obj
        };
    }


    /// <summary>
    /// 评价用户
    /// </summary>
    /// <param name="evaluate"></param>
    /// <returns></returns>
    [HttpPost]
    [Authorize]
    public async Task<WebApiDto> AddEvaluateServices([FromBody] SQReservationEvaluateDto evaluate)
    {
        var userId = _user.ID;
        var reId = evaluate.reservation_id;
        var list = await _sQReservationEvaluateServices.QueryListByClauseAsync(it => it.reservation_id == reId && it.user_id == userId);
        var participants = await _dbBase.Ado.SqlQueryAsync<SQReservationParticipantsApiEavDto>($"select p.id,p.reservation_id,p.status,p.join_time,p.user_id, p.role,u.nickName UserName,u.avatarImage AvatarImage,ISNULL(u.play_level,4) play_level,ISNULL(u.skills_level,4) skills_level from SQReservationParticipants p inner join CoreCmsUser u on p.user_id=u.id where p.status=0 and p.reservation_id ={reId} and p.is_arrive=1 ");
        if (participants == null)
        {
            return new WebApiDto()
            {
                Code = 0,
                Data = null
            };
        }
        List<object> obj = new List<object>();
        var p = participants.Find(it => it.user_id == evaluate.to_user_id);
        if (p == null)
        {
            return new WebApiDto()
            {
                Code = 500,
                Data = null,
                Msg = "未找到对局记录"
            };
        }
        SQReservationEvaluate sQReservationEvaluate = new SQReservationEvaluate()
        {
            created_at = DateTime.Now,
            play_level = evaluate.play_level,
            reservation_id = evaluate.reservation_id,
            role = p.role,
            skills_level = evaluate.skills_level,
            to_user_id = evaluate.to_user_id,
            user_id = userId,
        };
        await _sQReservationEvaluateServices.InsertAsync(sQReservationEvaluate);
        var play_level = _dbBase.Ado.SqlQuerySingle<SQReservationEvaluateFDto>($"select ISNULL(sum(play_level),0) level,count(1) rs_count from  SQReservationEvaluate where to_user_id={evaluate.to_user_id} ");

        var skills_level = _dbBase.Ado.SqlQuerySingle<SQReservationEvaluateFDto>($"select ISNULL(sum(skills_level),0) level,count(1) rs_count from  SQReservationEvaluate where to_user_id={evaluate.to_user_id} ");
        //先加4 
        play_level.level += 4;
        if (play_level.rs_count > 0)
        {
            if (play_level.rs_count == 1)
            {
                play_level.rs_count++;
            }
            play_level.level = play_level.level / play_level.rs_count;
        }
        //先加4
        skills_level.level += 4;
        if (skills_level.rs_count > 0)
        {
            if (skills_level.rs_count == 1)
            {
                skills_level.rs_count++;
            }
            skills_level.level = skills_level.level / skills_level.rs_count;
        }
        if (play_level.rs_count > 0 || skills_level.rs_count > 0)
        {
            await _userServices.UpdateAsync(it => new CoreCmsUser
            {
                play_level = play_level.level,
                skills_level = skills_level.level
            }, it => it.id == evaluate.to_user_id);
        }
        return new WebApiDto()
        {
            Code = 0,
            Data = null,
            Msg = "评价成功"
        };
    }
    /// <summary>
    /// 获取我的声誉记录
    /// </summary>
    /// <param name="pageIndex"></param>
    /// <param name="pageSize"></param>
    /// <returns></returns>
    [HttpGet]
    [Authorize]
    public async Task<WebApiDto> GetReputationByUser([FromQuery] int pageIndex = 1, [FromQuery] int pageSize = 20)
    {
        var list = await _sQReservationReputationServices.QueryPageAsync(it => it.user_id == _user.ID, it => it.created_at, OrderByType.Desc, pageIndex, pageSize, true);

        var o = new List<object>();
        foreach (var item in list)
        {
            var c = new
            {
                item.created_at,
                reputation_value = item.reputation_value.ToString("#.#"),
                title = item.remark
            };
            o.Add(c);
        }
        return new WebApiDto()
        {
            Code = 0,
            Data = o,
            Msg = "ok",
        };
    }

    /// <summary>
    /// 获取评价我的记录
    /// </summary>
    /// <param name="pageIndex">页码</param>
    /// <param name="pageSize">每页数量</param>
    /// <returns></returns>
    [HttpGet]
    [Authorize]
    public async Task<WebApiDto> GetEvaluateToMe([FromQuery] int pageIndex = 1, [FromQuery] int pageSize = 20)
    {
        var userId = _user.ID;
        var list = await _sQReservationEvaluateServices.QueryPageAsync(
            it => it.to_user_id == userId,
            it => it.created_at,
            OrderByType.Desc,
            pageIndex,
            pageSize,
            true
        );

        return new WebApiDto()
        {
            Code = 0,
            Data = list,
            Msg = "ok"
        };
    }


    /// <summary>
    /// 获取可预约的房间列表
    /// </summary>
    /// <param name="startTime">开始时间 时间戳</param>
    /// <param name="endTime">结束时间  时间戳</param>
    /// <returns></returns>
    [HttpGet]

    public async Task<WebApiDto> GetReservationRoomList([FromQuery] long startTime, [FromQuery] long endTime)
    {
        if (startTime == 0 || endTime == 0)
        {
            return new WebApiDto()
            {
                Code = 500,
                Data = null,
                Msg = "参数错误"
            };
        }
        // 时间戳转DateTime
        var start = DateTimeOffset.FromUnixTimeSeconds(startTime).DateTime;
        var end = DateTimeOffset.FromUnixTimeSeconds(endTime).DateTime;

        // 1. 查询所有可用房间
        var allRooms = await _SQRoomsServices.GetRoomList();

        // 2. 查询有不可用时间段冲突的房间
        var unavailableRoomIds = (await _sQRoomUnavailableTimesServices.QueryListByClauseAsync(
            t => t.start_time < end && t.end_time > start
        )).Select(t => t.room_id).Distinct().ToList();

        // 3. 查询已被预约的房间（未取消的预约，时间有重叠）
        var reservedRoomIds = (await _SQReservationsServices.QueryListByClauseAsync(
            r => r.status < 2 && r.start_time < end && r.end_time > start
        )).Select(r => r.room_id).Distinct().ToList();

        // 4. 可预约房间 = 所有可用房间 - 不可用房间 - 已预约房间
        var availableRooms = allRooms
            .Where(r => r.status == true && !unavailableRoomIds.Contains(r.id) && !reservedRoomIds.Contains(r.id))
        .OrderBy(r => r.name)
            .Select(it => new { name = it.name + $" {it.price_per_hour.ToString("#.##")}/小时", it.id, it.capacity })
            .ToList();

        return new WebApiDto()
        {
            Code = 0,
            Data = availableRooms,
            Msg = "ok"
        };
    }


    /// <summary>
    /// 用户预约接口
    /// </summary>
    /// <param name="dto"></param>
    /// <returns></returns>
    [HttpPost]
    [Authorize]
    public async Task<WebApiDto> AddSQReservation([FromBody] SQReservationsAddDto dto)
    {
        var userId = _user.ID;
        var start_time = DateTimeOffset.FromUnixTimeSeconds(dto.start_time).DateTime;
        var end_time = DateTimeOffset.FromUnixTimeSeconds(dto.end_time).DateTime;
        // 1. 参数校验
        if (dto == null || dto.room_id <= 0 || start_time >= end_time)
        {
            return new WebApiDto()
            {
                Code = 500,
                Data = null,
                Msg = "参数错误"
            };
        }

        // 2. 检查房间是否存在
        var room = await _SQRoomsServices.QueryByClauseAsync(r => r.id == dto.room_id, r => r.id, OrderByType.Asc);
        if (room == null)
        {
            return new WebApiDto()
            {
                Code = 500,
                Data = null,
                Msg = "房间不存在"
            };
        }

        // 3. 检查房间是否可预约（不可用时间段）
        var hasUnavailable = await _sQRoomUnavailableTimesServices.QueryListByClauseAsync(
            t => t.room_id == dto.room_id && t.start_time < end_time && t.end_time > start_time,
            t => t.id, OrderByType.Asc);
        if (hasUnavailable != null && hasUnavailable.Count > 0)
        {
            return new WebApiDto()
            {
                Code = 500,
                Data = null,
                Msg = "该时间段房间不可预约"
            };
        }

        // 4. 检查房间是否已被预约（未取消的预约，时间有重叠）
        var hasReserved = await _SQReservationsServices.QueryListByClauseAsync(
            r => r.room_id == dto.room_id && r.status < 2 && r.start_time < end_time && r.end_time > start_time,
            r => r.id, OrderByType.Asc);
        if (hasReserved != null && hasReserved.Count > 0)
        {
            return new WebApiDto()
            {
                Code = 500,
                Data = null,
                Msg = "该时间段房间已被预约"
            };
        }

        // 5. 创建预约记录
        var reservation = new SQReservations
        {
            room_id = dto.room_id,
            room_name = room.name,
            start_time = start_time,
            end_time = end_time,
            game_type = dto.game_type,
            created_at = DateTime.Now,
            updated_at = DateTime.Now,
            // 其他字段可根据需要补充
        };
        var reservationId = await _dbBase.Insertable(reservation).ExecuteReturnIdentityAsync();
        if (reservationId <= 0)
        {
            return new WebApiDto()
            {
                Code = 500,
                Data = null,
                Msg = "预约失败"
            };
        }

        // 6. 创建预约参与人记录（发起者，role=1）
        var participant = new SQReservationParticipants
        {
            reservation_id = reservationId,
            user_id = userId,
            join_time = DateTime.Now,
            role = 1,
            status = 0,
            is_refund = dto.deposit_fee > 0 ? 1 : 0,
            important_data = dto.important_data
        };
        await _SQReservationParticipantsServices.InsertAsync(participant);

        return new WebApiDto()
        {
            Code = 0,
            Data = new { reservation_id = reservationId },
            Msg = "预约成功"
        };
    }

    /// <summary>
    /// 用户加入预约接口
    /// </summary>
    /// <param name="dto">预约</param>
    /// <returns></returns>
    [HttpPost]
    [Authorize]
    public async Task<WebApiDto> JoinReservation([FromBody] SQReservationParticipantsAddDto dto)
    {
        var userId = _user.ID;
        var reservationId = dto.ReservationsId;
        // 1. 校验预约是否存在且未结束
        var reservation = await _SQReservationsServices.QueryByClauseAsync(
            r => r.id == reservationId && r.end_time > DateTime.Now && r.status < 2,
            r => r.id, OrderByType.Asc);
        if (reservation == null)
        {
            return new WebApiDto
            {
                Code = 404,
                Data = null,
                Msg = "预约不存在或已结束"
            };
        }

        // 2. 校验用户是否已加入该预约
        var exists = await _SQReservationParticipantsServices.QueryByClauseAsync(
            p => p.reservation_id == reservationId && p.user_id == userId,
            p => p.id, OrderByType.Asc);
        if (exists != null)
        {
            return new WebApiDto
            {
                Code = 400,
                Data = null,
                Msg = "您已加入该预约"
            };
        }

        // 2.1 校验用户是否有其它预约时间冲突
        // 2.1 校验用户是否有其它预约时间冲突（只查未开始或正在进行中的预约）
        var now = DateTime.Now;
        var hasConflict = await _SQReservationParticipantsServices.QueryMuchAsync<SQReservationParticipants, SQReservations, int>(
            (p, r) => new object[]
            {
                JoinType.Inner, p.reservation_id == r.id
            },
            (p, r) => r.id,
            (p, r) =>
                p.user_id == userId &&
                p.status == 0 && // 只查未退出
                r.status < 2 && // 只查未取消/未结束
                r.end_time > now && // 只查未结束
                r.start_time < reservation.end_time && r.end_time > reservation.start_time // 时间有重叠
        );

        if (hasConflict != null && hasConflict.Count > 0)
        {
            return new WebApiDto
            {
                Code = 402,
                Data = null,
                Msg = "您有其它预约时间冲突，无法加入该预约"
            };
        }
        //// 查询用户所有未结束的预约参与记录
        //var userReservations = await _SQReservationParticipantsServices.QueryListByClauseAsync(
        //    p => p.user_id == userId && p.status == 0, // 只查未退出的
        //    p => p.id, OrderByType.Asc);

        //if (userReservations != null && userReservations.Count > 0)
        //{
        //    // 获取这些预约的ID
        //    var reservationIds = userReservations.Select(p => p.reservation_id).ToList();
        //    // 查询这些预约的时间段
        //    var reservations = await _SQReservationsServices.QueryListByClauseAsync(
        //        r => reservationIds.Contains(r.id) && r.status < 2 && r.end_time > DateTime.Now,
        //        r => r.id, OrderByType.Asc);

        //    // 检查时间是否有重叠
        //    foreach (var r in reservations)
        //    {
        //        if (r.start_time < reservation.end_time && r.end_time > reservation.start_time)
        //        {
        //            return new WebApiDto
        //            {
        //                Code = 402,
        //                Data = null,
        //                Msg = "您有其它预约时间冲突，无法加入该预约"
        //            };
        //        }
        //    }
        //}

        //3.校验预约是否已满（如有容量限制，可补充）
        var participantsCount = await _SQReservationParticipantsServices.QueryListByClauseAsync(
            p => p.reservation_id == reservationId, p => p.id, OrderByType.Asc);
        if (participantsCount.Count >= reservation.player_count)
        {
            return new WebApiDto()
            {
                Code = 401,
                Data = null,
                Msg = "预约已满"
            };
        }

        // 4. 插入参与人记录
        var participant = new SQReservationParticipants
        {
            reservation_id = reservationId,
            user_id = userId,
            join_time = DateTime.Now,
            role = 0, // 0为参与者
            status = 0,
            is_refund = reservation.deposit_fee > 0 ? 1 : 0,
            important_data = dto.important_data
        };
        await _SQReservationParticipantsServices.InsertAsync(participant);

        return new WebApiDto
        {
            Code = 0,
            Data = null,
            Msg = "加入预约成功"
        };
    }

}