using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Znyc.Cloudcar.Admin.Commons.Cache;
using Znyc.Cloudcar.Admin.Commons.Mapping;
using Znyc.Cloudcar.Admin.Commons.Services;
using Znyc.Cloudcar.Admin.Security.Dtos;
using Znyc.Cloudcar.Admin.Security.Entitys;
using Znyc.Cloudcar.Admin.Security.IRepositories;
using Znyc.Cloudcar.Admin.Security.IServices;

namespace Znyc.Cloudcar.Admin.Security.Services
{
    /// <summary>
    ///     地区信息
    /// </summary>
    public class RegionService : BaseService<RegionEntity, RegionOutputDto, long>, IRegionService
    {
        private readonly IRegionRepository _regionRepository;

        public RegionService(IRegionRepository regionRepository) : base(regionRepository)
        {
            _regionRepository = regionRepository;
        }

        /// <summary>
        ///     查询省市区缓存
        /// </summary>
        /// <returns></returns>
        public async Task<List<RegionOutputDto>> GetAllRegionList()
        {
            CacheHelper cacheHelper = new CacheHelper();
            List<RegionOutputDto> list = cacheHelper.Get<List<RegionOutputDto>>("region:list ");
            if (list == null)
            {
                list = await AsyncRegionCache();
            }

            return list;
        }

        /// <summary>
        ///     同步地区缓存
        /// </summary>
        /// <returns></returns>
        public async Task<List<RegionOutputDto>> AsyncRegionCache()
        {
            List<RegionOutputDto> regionList = new List<RegionOutputDto>();
            CacheHelper cacheHelper = new CacheHelper();
            IEnumerable<RegionEntity> list = await _regionRepository.GetListWhereAsync(" ParentId=0");
            foreach (RegionEntity item in list)
            {
                RegionOutputDto regionListOutputs = new RegionOutputDto
                {
                    RegionId = item.RegionId,
                    Name = item.Name,
                    ParentId = item.ParentId
                };
                string where = string.Format(@" IsDeleted = 0 and ParentId = {0}", item.RegionId);
                IEnumerable<RegionEntity> regions = await _regionRepository.GetListWhereAsync(where);
                regionListOutputs.Childers = regions.MapTo<RegionOutputDto>();
                regionList.Add(regionListOutputs);
            }

            cacheHelper.Add("region:list ", regionList, TimeSpan.FromDays(30));
            return regionList;
        }
    }
}