using Dlhis.Canteen.Order.Request;
using Dlhis.Canteen.Order.Response;
using Dlhis.Entity.Basic.Entity;
using Dlhis.Entity.Canteen.Entities;
using Kurisu.AspNetCore.Utils.Extensions;
using Kurisu.Core.DataAccess.Dto;
using Kurisu.Core.User.Abstractions;
using Kurisu.SqlSugar.Extensions;
using Kurisu.SqlSugar.Services;
using Mapster;

namespace Dlhis.Canteen.Order.Services.Implements
{
    public class MenuDishesService : IMenuDishesService
    {
        private readonly IDbContext _dbContext;
        private readonly ICurrentUser _currentUser;

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

        public async Task<Pagination<GetMenuResponse>> GetMenuAsync(GetMenuRequest request)
        {
            var page = await _dbContext.Queryable<CanteenMenuEntity>()
                .LeftJoin<BusinessPlaceEntity>((x,place) => x.PlaceCode == place.Code)
                .WhereIF(!request.Factory.IsEmpty(),x => x.Factory == request.Factory)
                .WhereIF(request.PlaceCode.HasValue, x => request.PlaceCode == x.PlaceCode)
                .WhereIF(!request.Search.IsEmpty(),x => x.Name.Contains(request.Search))
                .Select((x,place) => new GetMenuResponse
                {
                    ShiftTypesSrt = x.ShiftTypes.ToString(),
                    //ShiftTypesSrt = string.Join(", ", x.ShiftTypes.Select(enumValue => enumValue.GetDescription())),
                    PlaceName = place.Name,
                },true)
                .ToPageListAsync(request);
            return page;
        }

        public async Task SaveMenuAsync(SaveMenuRequest request)
        {
            var place = await _dbContext.Queryable<BusinessPlaceEntity>()
                 .FirstAsync(x => x.Code == request.PlaceCode);
            place.ThrowIfNull($"{request.PlaceCode}:该营业点不存在！");

            if (!request.Id.HasValue)
            {
                var entity = request.Adapt<CanteenMenuEntity>();
                entity.Code = Guid.NewGuid();
                await _dbContext.InsertAsync(entity);
            }
            else
            {
                var entity = await _dbContext.Queryable<CanteenMenuEntity>()
                    .Where(x => x.Id == request.Id).FirstAsync();
                request.Adapt(entity);
                await _dbContext.UpdateAsync(entity);
            }
        }

        public async Task<Pagination<GetDishesResponse>> GetDishesAsync(GetDishesRequest request)
        {
            if (!request.MenuCode.HasValue)
            {
                return await _dbContext.Queryable<CanteenDishesEntity>()
                            .Select<GetDishesResponse>()
                            .ToPageListAsync(request);              
            }
            else
            {
                var disCodes = await _dbContext.Queryable<CanteenMenuDishersRelationshipEntity>()
                    .Where(x => x.MenuCode == request.MenuCode)
                    .Select(x => x.DishersCode)
                    .ToListAsync();
                return await _dbContext.Queryable<CanteenDishesEntity>()
                            .Where(x => disCodes.Contains(x.Code))
                            .Select<GetDishesResponse>()
                            .ToPageListAsync(request);
            }   
        }

        public async Task SaveDishesAsync(SaveDishesRequest request)
        {
            if (!request.Id.HasValue)
            {
                var dishers = request.Adapt<CanteenDishesEntity>();
                dishers.Code = Guid.NewGuid();
                await _dbContext.InsertAsync(dishers);
            }
            else
            {
                var entity = await _dbContext.Queryable<CanteenDishesEntity>()
                    .Where(x => x.Id == request.Id).FirstAsync();
                request.Adapt(entity);
                await _dbContext.UpdateAsync(entity);
            }
        }

        public async Task DispositionDishesAsync(DispositionDishesRequest request)
        {
            var lst = new List<CanteenMenuDishersRelationshipEntity>();

            foreach (var dto in request.DishersDtos)
            {
                var entity = new CanteenMenuDishersRelationshipEntity
                {
                    MenuCode = request.MenudCode,
                    DishersCode = dto.DisherCode,
                    RestrictedNum = dto.RestrictedNum,
                };
                lst.Add(entity);
            }
            await _dbContext.InsertAsync(lst);
        }
    }
}