using OrmTest.Models;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace OrmTest.UnitTest
{
    public class Mapping:UnitTestBase
    {
        private Mapping() { }
        public Mapping(int eachCount)
        {
            this.Count = eachCount;
        }

        public void Init() {

            var db = GetInstance();
            var t1= db.Queryable<Student>().Where(it=>it.Id==1).ToSql();
            base.Check("SELECT `ID`,`SchoolId`,`Name`,`CreateTime` FROM `STudent`  WHERE ( `ID` = @Id0 ) ", null, t1.Key, null,"Mapping t1 error");

            db.MappingColumns.Add("Id", "id", "School");
            var t2 = db.Queryable<Student, School>((st, sc) => new object[] {
                JoinType.Left,st.SchoolId==sc.Id
            })
            .Where(st => st.Id == 1)
            .Where((st,sc) => sc.Id == 1)
            .Where((st,sc) => sc.Id == st.Id)
            .GroupBy(st => st.Id)
            .GroupBy((st,sc) => sc.Id).OrderBy(st => st.Id,OrderByType.Asc)
            .Select((st,sc)=> new { stid=st.Id,scid=sc.Id}).ToSql();
            base.Check(@"SELECT  `st`.`ID` AS `stid` , `sc`.`id` AS `scid`  FROM `STudent` st Left JOIN `School` sc ON ( `st`.`SchoolId` = `sc`.`id` )   WHERE ( `st`.`ID` = @Id0 )  AND ( `sc`.`id` = @Id1 )  AND ( `sc`.`id` = `st`.`ID` )GROUP BY `st`.`ID`,`sc`.`id` ORDER BY `st`.`ID` ASC ",
                null, t2.Key, null, " Mapping t2 error");
            var x2 = GetInstance();
        }

        public SqlSugarClient GetInstance()
        {
            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig() {InitKeyType=InitKeyType.Attribute, ConnectionString = Config.ConnectionString, DbType = DbType.MySql, IsAutoCloseConnection = true });
            return db;
        }
    }
}