using System;
using System.Collections.Generic;
using System.Linq;

namespace Mtxfw.Utility.DataAccess
{
    /// <summary>
    /// 执行SQL或者存储过程类
    /// </summary>
    public partial class Sql : DbHelperSqlSugar
    {
        /// <summary>
        /// 执行Sql语句和存储过程
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="sqlStr"></param>
        /// <param name="obj"></param>
        /// <returns></returns>
        public T SqlQuery<T>(string sqlStr, object obj) where T : class, new()
        {
            return Db.Ado.SqlQuery<T>(sqlStr, obj).SingleOrDefault();
        }

        /// <summary>
        /// 执行sql语句返回List
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="sqlStr"></param>
        /// <param name="obj"></param>
        /// <returns></returns>
        public List<T> SqlQueryList<T>(string sqlStr, object obj) where T : class, new()
        {
            return Db.Ado.SqlQuery<T>(sqlStr, obj);
        }

        /// <summary>
        /// 执行事务
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="sqlStr"></param>
        /// <param name="obj"></param>
        /// <returns></returns>
        public List<T> SqlQueryTran<T>(string sqlStr, object obj) where T : class, new()
        {
            var result = Db.Ado.UseTran<List<T>>(() =>
            {
                return Db.Ado.SqlQuery<T>(sqlStr, obj);
                throw new Exception("error haha");
            });
            return null;
        }

        /// <summary>
        /// 执行事务
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="sqlStr"></param>
        /// <returns></returns>
        public int SqlQueryTran(string sqlStr)
        {
            var result = Db.Ado.UseTran(() =>
            {
                return Db.Ado.ExecuteCommand(sqlStr);
                throw new Exception("error haha");
            });
            return 0;
        }

        /// <summary>
        /// 执行事务
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="sqlStr"></param>
        /// <returns></returns>
        public int SqlQueryTran(string sqlStr, object param)
        {
            var result = Db.Ado.UseTran(() =>
            {
                return Db.Ado.ExecuteCommand(sqlStr, param);
                throw new Exception("error haha");
            });
            return 0;
        }
    }
}