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

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

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

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

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

        public async Task<int> GetMaxSortPartial()
        {
            object result = await _baseRepository.BaseRepository(dbConnectType).FindObject("SELECT MAX(PositionSort) FROM SysPosition");
            int sort = result.ParseToInt();
            sort++;
            return sort;
        }

        public bool ExistPositionNamePartial(PositionEntity entity)
        {
            var expression = LinqExtensions.True<PositionEntity>();
            expression = expression.And(t => t.BaseIsDelete == (int)IsDeleteEnum.No);
            if (entity.Id.IsNullOrZero())
            {
                expression = expression.And(t => t.PositionName == entity.PositionName);
            }
            else
            {
                expression = expression.And(t => t.PositionName == entity.PositionName && t.Id != entity.Id);
            }
            return _baseRepository.BaseRepository(dbConnectType).IQueryable(expression).Count() > 0 ? true : false;
        }
        #endregion

        #region 提交数据
        #endregion

        #region 私有方法
        private Expression<Func<PositionEntity, bool>> ListFilterPartial(PositionListParam param)
        {
            var expression = LinqExtensions.True<PositionEntity>();
            expression = expression.And(t => t.BaseIsDelete == (int)IsDeleteEnum.No);
            if (param != null)
            {
                if (!string.IsNullOrEmpty(param.PositionName))
                {
                    expression = expression.And(t => t.PositionName.Contains(param.PositionName));
                }
                if (!string.IsNullOrEmpty(param.PositionIds))
                {
                    int[] positionIdArr = TextHelper.SplitToArray<int>(param.PositionIds, ',');
                    expression = expression.And(t => positionIdArr.Contains(t.Id));
                }
            }
            return expression;
        }
        #endregion
    }
}