using Infrastructure.Attribute;
using Microsoft.AspNetCore.Http;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ARW.Model;
using ARW.Repository;
using ARW.Repository.Business.Carts;
using ARW.Service.Api.IBusinessService.Carts;
using ARW.Model.Dto.Api.Carts;
using ARW.Model.Models.Business.Carts;
using ARW.Model.Vo.Api.Carts;
using ARW.Model.Models.Business.Custom.Customers;
using ARW.Model.Models.Business.GoodsManager.Goodss;
using ARW.Model.Models.Business.ShopManager.Shops;

namespace ARW.Service.Api.BusinessService.Carts
{
    /// <summary>
    /// 购物车记录接口实现类Api
    ///
    /// @author lwh
    /// @date 2023-07-20
    /// </summary>
    [AppService(ServiceType = typeof(ICartServiceApi), ServiceLifetime = LifeTime.Transient)]
    public class CartServiceImplApi : BaseService<Cart>, ICartServiceApi
    {
        private readonly CartRepository _CartRepository;

        public CartServiceImplApi(CartRepository CartRepository)
        {
            this._CartRepository = CartRepository;
        }

        #region Api接口代码


        /// <summary>
        /// 查询购物车记录列表(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<PagedInfo<CartVoApi>> GetCartListApi(CartQueryDtoApi parm)
        {
            //开始拼装查询条件d
            var predicate = Expressionable.Create<Cart>();

            predicate = predicate.AndIF(parm.CustomerGuid != null, s => s.CustomerGuid == parm.CustomerGuid);
            predicate = predicate.AndIF(parm.ShopGuid != null, s => s.ShopGuid == parm.ShopGuid);
            var query = _CartRepository
                .Queryable()
                .LeftJoin<Shop>((s, c) => s.ShopGuid == c.ShopGuid)
                .LeftJoin<Goods>((s, c, d) => s.GoodsGuid == d.GoodsGuid)
                .LeftJoin<Customer>((s, c, d, f) => s.CustomerGuid == f.CustomerGuid)
                .Where(predicate.ToExpression())
                .OrderBy(s => s.Create_time, OrderByType.Desc)
                .Select(s => new CartVoApi
                {
                    //CartId = s.CartId,
                    //CartGuid = s.CartGuid,
                    CustomerGuid = s.CustomerGuid,
                    ShopGuid = s.ShopGuid,
                    GoodsGuid = s.GoodsGuid,
                    GoodsSkuId = s.GoodsSkuId,
                    CartGoodsNum = s.CartGoodsNum,
                });


            return await query.ToPageAsync(parm);
        }

        /// <summary>
        /// 查询购物车记录详情(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<string> GetCartDetails(CartDtoApi parm)
        {

            var query = _CartRepository
                .Queryable()
                .Where(s => s.CartGuid == parm.CartGuid)
                .Select(s => new CartApiDetailsVo
                {
                    CartId = s.CartId,
                    CartGuid = s.CartGuid,
                    CustomerGuid = s.CustomerGuid,
                    ShopGuid = s.ShopGuid,
                    GoodsGuid = s.GoodsGuid,
                    GoodsSkuId = s.GoodsSkuId,
                    CartGoodsNum = s.CartGoodsNum,
                }).Take(1);


            return await query.ToJsonAsync();
        }


        #endregion

    }
}