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.Custom.Regions;
using ARW.Service.Api.IBusinessService.Custom.Regions;
using ARW.Model.Dto.Api.Custom.Regions;
using ARW.Model.Models.Business.Custom.Regions;
using ARW.Model.Vo.Api.Custom.Regions;

namespace ARW.Service.Api.BusinessService.Custom.Regions
{
    /// <summary>
    /// 省市区数据表接口实现类Api
    ///
    /// @author admin
    /// @date 2023-06-09
    /// </summary>
    [AppService(ServiceType = typeof(IRegionServiceApi), ServiceLifetime = LifeTime.Transient)]
    public class RegionServiceImplApi : BaseService<Region>, IRegionServiceApi
    {
        private readonly RegionRepository _RegionRepository;

        public RegionServiceImplApi(RegionRepository RegionRepository)
        {
            this._RegionRepository = RegionRepository;
        }

        #region Api接口代码


        /// <summary>
        /// 查询省市区数据表树形列表(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<List<RegionVoApi>> GetRegionTreeListApi(RegionQueryDtoApi parm)
        {
            //开始拼装查询条件d
            var predicate = Expressionable.Create<Region>();

            var query = _RegionRepository
                .Queryable()
                .Where(predicate.ToExpression())
                .OrderBy(s => s.RegionId, OrderByType.Asc)
                .Select(s => new RegionVoApi
                {
                    RegionId = s.RegionId,
                    RegionPid = s.RegionPid,
                    Label = s.RegionName,
                    Value = s.RegionCode,
                });

            return await query.ToTreeAsync(it => it.Children, it => it.RegionPid, 0);
        }


        #endregion

    }
}