using Dlhis.Basic.Organization.Request;
using Dlhis.Basic.Organization.Response;
using Dlhis.Entity.Basic.Entity;
using Dlhis.Entity.Canteen.Entities;
using Dlhis.Entity.Canteen.Enums;
using Kurisu.AspNetCore.Authentication.Abstractions;
using Kurisu.AspNetCore.DataAccess.Dto;
using Kurisu.AspNetCore.DataAccess.SqlSugar.Extensions;
using Kurisu.AspNetCore.DataAccess.SqlSugar.Services;
using Kurisu.AspNetCore.Utils;
using Kurisu.AspNetCore.Utils.Extensions;

namespace Dlhis.Basic.Organization.Services.Implements;

public class MealUserService : IMealUserService
{
    private readonly IDbContext _dbContext;
    private readonly ICurrentUser _currentUser;

    public MealUserService(IDbContext dbContext, ICurrentUser currentUser)
    {
        _dbContext = dbContext;
        _currentUser = currentUser;
    }

    public async Task<Pagination<MealUserResponse>> GetPageAsync(PageDto request)
    {
        var tenantId = _currentUser.GetStringTenantId();

        var page = await _dbContext.Queryable<GainfoMealEntity>()
            .LeftJoin<GainfoEntity>((meal, gainfo) => meal.UserCode == gainfo.Code)
            .LeftJoin<GainfoLeaveEntity>((meal, gainfo, gainfoLeave) => meal.UserCode == gainfoLeave.Code)
            .LeftJoin<DepartmentEntity>((meal, gainfo, gainfoLeave, dept1) => dept1.No == gainfo.DepartmentNo)
            .LeftJoin<DepartmentEntity>((meal, gainfo, gainfoLeave, dept1, dept2) => dept2.No == gainfo.DepartmentNo)
            .WhereIF(request.Search.IsPresent(), (meal, gainfo, gainfoLeave, dept1, dept2) => meal.UserCode == request.Search
                                                                                              || gainfo.Name.Contains(request.Search)
                                                                                              || gainfoLeave.Name.Contains(request.Search))
            .Where((meal, gainfo, gainfoLeave) => gainfo.Factory == tenantId || gainfoLeave.Factory == tenantId)
            .Select((meal, gainfo, gainfoLeave, dept1, dept2) => new MealUserResponse
            {
                Balance = meal.Balance,
                BalanceOfRecharge = meal.BalanceOfRecharge,
                BalanceOfSubsidies = meal.BalanceOfSubsidies,
                UserCode = meal.UserCode,
                UserName = SqlFunc.IsNull(gainfo.Name, gainfoLeave.Name),
                UserNo = SqlFunc.IsNull(gainfo.No, gainfoLeave.No),
                DepartmentName = SqlFunc.IsNull(dept1.Name, dept2.Name)
            })
            .ToPageListAsync(request);

        return page;
    }

    /// <inheritdoc />
    public async Task MigrationAsync(GainfoBalanceMigrationRequest request)
    {
        //只能针对离职人员
        var gainfoLeave = await _dbContext.Queryable<GainfoLeaveEntity>().Where(x => x.Code == request.BeforeCode).SingleAsync();
        gainfoLeave.ThrowIfNull("需要对已离职人员迁移");

        var beforeBalance = await _dbContext.Queryable<GainfoMealEntity>().Where(x => x.UserCode == request.BeforeCode).Select(x => x.Balance).SingleAsync();
        if (beforeBalance == 0)
        {
            return;
        }

        //清空余额
        await _dbContext.Updateable<GainfoMealEntity>()
            .SetColumns(x => x.Balance == 0)
            .SetColumns(x => x.ModifiedTime == DateTime.Now)
            .SetColumns(x => x.Version == x.Version + 1)
            .Where(x => x.UserCode == request.BeforeCode) //不需要判断version
            .ExecuteCommandAsync();
        
        //转移到现有人员
        var gainfo = await _dbContext.Queryable<GainfoEntity>().Where(x => x.Code == request.NowCode).SingleAsync();
        gainfo.ThrowIfNull("目标人员不存在");

        var now = DateTime.Now;

        await _dbContext.InsertAsync(new BalanceRecordEntity
        {
            No = SnowFlakeHelper.Instance.NextId().ToString(),
            UserNo = gainfo.No,
            Name = gainfo.Name,
            UserCode = gainfo.Code,
            DepartmentNo = gainfo.DepartmentNo,
            Source = BalanceRecordSourceEnumType.BalanceMigration,
            Type = BalanceRecordTypeEnumType.In,
            Amount = beforeBalance,
            BusinessPlaceCode = null,
            BusinessShiftCode = null,
            ShiftType = null,
            CostDate = now.Date,
            DeviceUniqueNo = null,
            SubsidiesFromMonth = now.ToString("yyyyMM"),
            IP = null,
            CostId = gainfo.CostId,
            OriginTenantId = gainfo.Factory,
            IsCostCrossTenant = false,
            Status = BalanceRecordStatusEnumType.Valid,
            CostDateTime = DateTime.Now,
            Remark = $"{gainfoLeave.Code}:余额转入",
            ApplicationType = CanteenApplicationTypeEnumType.MealSupplement,
            TenantId = gainfo.Factory,
            Werks = gainfo.Werks,
            IsDeleted = false,
        });

        var nowGainfoMeal = await _dbContext.Queryable<GainfoMealEntity>().Where(x => x.UserCode == request.NowCode).SingleAsync();
        var nowBalance = nowGainfoMeal.Balance + beforeBalance;
        await _dbContext.Updateable<GainfoMealEntity>()
            .SetColumns(x => x.Balance == nowBalance)
            .SetColumns(x => x.ModifiedTime == DateTime.Now)
            .SetColumns(x => x.Version == x.Version + 1)
            .Where(x => x.UserCode == request.NowCode && x.Version == nowGainfoMeal.Version)
            .ExecuteCommandThrowVersionAsync("转入失败");
    }
}