using System;
using System.Data.SqlClient;
using System.Linq;
using System.Threading;
using JLHHJSvr.BLL;
using JLHHJSvr.Com;
using JLHHJSvr.Com.Model;
using JLHHJSvr.Helper;
using JLHHJSvr.LJException;
using LJLib.DAL.SQL;
using LJLib.Net.SPI.Server;
using LJLib.SQLEX;

namespace JLHHJSvr.Excutor
{
    internal sealed class CheckTableIsLockExcutor : ExcutorBase<CheckTableIsLockRequest, CheckTableIsLockResponse>
    {
        protected override void ExcuteInternal(CheckTableIsLockRequest request, object state, CheckTableIsLockResponse rslt)
        {
            var tokendata = BllHelper.GetToken(request.token);
            if (tokendata == null)
            {
                rslt.ErrMsg = "会话已经中断，请重新登录";
                return;
            }

            if(string.IsNullOrEmpty(request.keyword))
            {
                rslt.ErrMsg = "传入的关键表名为空,请检查!";
                return;
            }

            using (var con = GlobalVar.ConnectionString.NewSqlConnection())
            using (var cmd = con.CreateCommand())
            {
                con.Open();

                try
                {
                    var lockItem = LockHelper.CheckLockAll(cmd, request.keyword, request.billid,tokendata.username);

                    if (lockItem.Code == LockCheckResultCode.LockedByOther) throw new LJCommonException(lockItem.log_msg);
                    if(lockItem.Code == LockCheckResultCode.Success || lockItem.Code == LockCheckResultCode.Expired)
                    {
                        LockHelper.LockBill(cmd,request.keyword,request.billid,request.billcode,tokendata.username);
                    }
                }catch(Exception ex)
                {
                    rslt.ErrMsg = ex.Message;
                }
            }
        }
    }
}