using Bowin.Common.Log;
using System;
using System.Collections.Generic;
using System.Data;
using System.Text;
using YLShipBuildLandMap.Entity;

namespace YLShipBuildLandMap.Services.SystemSetting
{
    public interface IExecSqlService 
    {
        DataTable select(string sql);
        int insert(string sql);
        int update(string sql);
        int delete(string sql);
    }

    public class ExecSqlService: IExecSqlService
    {

        private YLShipBuildLandMapContext DbContext { get; set; }
        public ExecSqlService(YLShipBuildLandMapContext dbContext)
        {
            this.DbContext = dbContext;
        }

        public DataTable select(string sql) 
        {
            if (!sql.ToLower().Contains("where"))
                throw new Exception("请添加where条件");

            LogHelper.WriteLog(LogType.CommmLog, $"exec sql：{sql}");

            return this.DbContext.Database.SqlQuery(sql);
        }

        public int insert(string sql)
        {
            if (!sql.ToLower().Contains("insert"))
                throw new Exception("缺少关键字insert");

            LogHelper.WriteLog(LogType.CommmLog, $"exec sql：{sql}");

            this.DbContext.Database.SqlQuery(sql);
            return 1;
        }

        public int update(string sql) 
        {
            if (!sql.ToLower().Contains("update"))
                throw new Exception("缺少关键字update");

            if (!sql.ToLower().Contains("where"))
                throw new Exception("请添加where条件");

            LogHelper.WriteLog(LogType.CommmLog, $"exec sql：{sql}");

            this.DbContext.Database.SqlQuery(sql);
            return 1;
        }
        public int delete(string sql) 
        {
            if (!sql.ToLower().Contains("delete"))
                throw new Exception("缺少关键字delete");

            if (!sql.ToLower().Contains("where"))
                throw new Exception("请添加where条件");

            LogHelper.WriteLog(LogType.CommmLog, $"exec sql：{sql}");

            this.DbContext.Database.SqlQuery(sql);
            return 1;
        }
    }
}