using System;
using System.Linq;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Threading.Tasks;
using YiSha.Util;
using YiSha.Util.Extension;
using YiSha.Util.Model;
using YiSha.Data.Repository;
using YiSha.Entity.SystemManage;
using YiSha.Model.Param.SystemManage;
using YiSha.Enum;

namespace YiSha.Service.SystemManage
{
    public partial class AreaService
    {
        private IRepositoryFactory _baseRepository;
        public AreaService(IRepositoryFactory baseRepository)
        {
            _baseRepository = baseRepository;
        }

        #region 获取数据
        public async Task<List<AreaEntity>> GetListPartial(AreaListParam param)
        {
            var expression = ListFilterPartial(param);
            var list = await _baseRepository.BaseRepository(dbConnectType).FindList(expression);
            return list.ToList();
        }

        public async Task<List<AreaEntity>> GetPageListPartial(AreaListParam param, Pagination pagination)
        {
            var expression = ListFilterPartial(param);
            var list = await _baseRepository.BaseRepository(dbConnectType).FindList(expression, pagination);
            return list.ToList();
        }

        public async Task<AreaEntity> GetEntityPartial(int id)
        {
            return await _baseRepository.BaseRepository(dbConnectType).FindEntity<AreaEntity>(id);
        }

        public async Task<AreaEntity> GetEntityByAreaCodePartial(int areaCode)
        {
            return await _baseRepository.BaseRepository(dbConnectType).FindEntity<AreaEntity>(p => p.AreaCode == areaCode);
        }
        #endregion

        #region 提交数据
        public async Task SaveFormPartial(AreaEntity entity)
        {
            if (entity.Id.IsNullOrZero())
            {
                await entity.Create();
                await _baseRepository.BaseRepository(dbConnectType).Insert<AreaEntity>(entity);
            }
            else
            {
                await entity.Modify();
                await _baseRepository.BaseRepository(dbConnectType).Update<AreaEntity>(entity);
            }
        }
        #endregion

        #region 私有方法
        private Expression<Func<AreaEntity, bool>> ListFilterPartial(AreaListParam param)
        {
            var expression = LinqExtensions.True<AreaEntity>();
            expression = expression.And(t => t.BaseIsDelete == (int)IsDeleteEnum.No);
            if (param != null)
            {
                if (!param.AreaName.IsEmpty())
                {
                    expression = expression.And(t => t.AreaName.Contains(param.AreaName));
                }
            }
            return expression;
        }
        #endregion
    }
}