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

namespace WeighBusiness.Utils.SqlUtils
{//TODO:检查所有操作数据库的方法，它们的返回值如何设定。现在的设定有冲突，不能反映出是操作数据库时出错，还是没有操作数据库
	//TODO:考虑用反射得到sql语句
	public class InsertUtil
	{

		/// <summary>
		/// 获取插入数据的Sql语句。以换行结尾
		/// </summary>
		public static string GetInsertSql(string tableName, string[] columnsNames, string[] values)
		{
			if (columnsNames == null || columnsNames.Length == 0 || values == null || values.Length == 0)
				return string.Empty;
			if (columnsNames.Length != values.Length)
				throw new ArgumentException("列的个数与对应的值的个数不等");
			return "insert into " + tableName + "(" + string.Join(",", columnsNames) + ") values('" + string.Join("','", values) + "')" + Environment.NewLine;
		}

		///// <summary>
		///// 插入车辆到数据库中。
		///// 全部成功，返回true；只要有一个失败，则返回false
		///// </summary>
		//public static bool InsertCar(IList<ClientCar> allNeedInsertCar, out Dictionary<long, string> failedCars)
		//{
		//	failedCars = new Dictionary<long, string>();
		//	bool successResult = true;
		//	using (SqlHelperEx she = new SqlHelperEx()) {
		//		foreach (var car in allNeedInsertCar) {
		//			string insertSql = GetInsertSql(TableName.车辆表, new string[] { "Car_ID", "Car_Name" }, new string[] { car.Car_ID.ToString(), car.Car_Name });
		//			if (string.IsNullOrEmpty(insertSql))
		//				continue;
		//			bool success;
		//			she.ExecuteNonQuery(insertSql, out success);
		//			if (!success) {
		//				failedCars.Add(car.Car_ID, car.Car_Name);
		//				successResult = false;
		//				continue;
		//			}
		//		}
		//	}
		//	return successResult;
		//}

	}
}