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 Infrastructure;
using ARW.Model;
using ARW.Repository;
using ARW.Repository.Business.GoodsManager.GoodsSpecs.GoodsSpecRels;
using ARW.Service.Business.IBusinessService.GoodsManager.GoodsSpecs.GoodsSpecRels;
using ARW.Model.Dto.Business.GoodsManager.GoodsSpecs.GoodsSpecRels;
using ARW.Model.Models.Business.GoodsManager.GoodsSpecs.GoodsSpecRels;
using ARW.Model.Vo.Business.GoodsManager.GoodsSpecs.GoodsSpecRels;
using ARW.Model.Models.Business.GoodsManager.GoodsSpecs.SpecValues;
using ARW.Repository.Business.GoodsManager.GoodsSpecs.SpecValues;
using System.Diagnostics.Eventing.Reader;

namespace ARW.Service.Business.BusinessService.GoodsManager.GoodsSpecs.GoodsSpecRels
{
    /// <summary>
    /// 商品与规格值关系记录接口实现类
    ///
    /// @author lwh
    /// @date 2023-06-19
    /// </summary>
    [AppService(ServiceType = typeof(IGoodsSpecRelService), ServiceLifetime = LifeTime.Transient)]
    public class GoodsSpecRelServiceImpl : BaseService<GoodsSpecRel>, IGoodsSpecRelService
    {
        private readonly GoodsSpecRelRepository _GoodsSpecRelRepository;

        public GoodsSpecRelServiceImpl(GoodsSpecRelRepository GoodsSpecRelRepository)
        {
            this._GoodsSpecRelRepository = GoodsSpecRelRepository;
        }

        #region 业务逻辑代码


        /// <summary>
        /// 查询商品与规格值关系记录分页列表
        /// </summary>
        public async Task<PagedInfo<GoodsSpecRelVo>> GetGoodsSpecRelList(GoodsSpecRelQueryDto parm)
        {
            //开始拼装查询条件d
            var predicate = Expressionable.Create<GoodsSpecRel>();

            var query = _GoodsSpecRelRepository
                .Queryable()
                .Where(predicate.ToExpression())
                .OrderBy(s => s.Create_time, OrderByType.Desc)
                .Select(s => new GoodsSpecRelVo
                {
                    GoodsSpecRelId = s.GoodsSpecRelId,
                    GoodsGuid = s.GoodsGuid,
                    SpecId = s.SpecId,
                    SpecValueId = s.SpecValueId,
                });


            return await query.ToPageAsync(parm);
        }


        /// <summary>
        /// 新增商品与规格值关系
        /// </summary>
        /// <param name="goodsSpecRelList">商品与规格值关系列表</param>
        public async Task InsertGoodsSpecRelAsync(List<GoodsSpecRel> goodsSpecRelList)
        {
            await _GoodsSpecRelRepository.InsertRangeAsync(goodsSpecRelList);
        }


        /// <summary>
        /// 更新商品与规格值关系
        /// </summary>
        /// <param name="goodsSpecRelList">商品与规格值关系列表</param>
        /// <returns></returns>
        public async Task UpdateGoodsSpecRelAsync(List<GoodsSpecRel> goodsSpecRelList, long goodsGuid)
        {
            await _GoodsSpecRelRepository.DeleteAsync(s => s.GoodsGuid == goodsGuid);
            await _GoodsSpecRelRepository.InsertRangeAsync(goodsSpecRelList);
        }


        #endregion

    }
}