// Copyright © 2013, 2016, Oracle and/or its affiliates. All rights reserved.
//
// MySQL for Visual Studio is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
// MySQL Connectors. There are special exceptions to the terms and
// conditions of the GPLv2 as it is applied to this software, see the
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

using System;
using Xunit;

namespace MySql.Parser.Tests.DDL.Create
{
  public class CreateEvent
  {
    [Fact]
    public void Simple()
    {
      Utility.ParseSql(@"CREATE EVENT myevent
    ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 HOUR
    DO
      UPDATE myschema.mytable SET mycol = mycol + 1;", false);
    }

    [Fact]
    public void Simple2()
    {
      Utility.ParseSql(@"CREATE EVENT e_totals
         ON SCHEDULE AT '2006-02-10 23:59:00'
         DO INSERT INTO test.totals VALUES (NOW())", false);
    }

    [Fact]
    public void Simple3()
    {
      Utility.ParseSql(@"CREATE EVENT e_hourly
    ON SCHEDULE
      EVERY 1 HOUR
    COMMENT 'Clears out sessions table each hour.'
    DO
      DELETE FROM site_activity.sessions;", false);
    }

    [Fact]
    public void Simple4()
    {
      Utility.ParseSql(@"CREATE EVENT e_daily
    ON SCHEDULE
      EVERY 1 DAY
    COMMENT 'Saves total number of sessions then clears the table each day'
    DO
      BEGIN
        INSERT INTO site_activity.totals (time, total)
          SELECT CURRENT_TIMESTAMP, COUNT(*)
            FROM site_activity.sessions;
        DELETE FROM site_activity.sessions;
      END", false);
    }

    [Fact]
    public void Simple4a()
    {
      Utility.ParseSql(@"CREATE EVENT e
    ON SCHEDULE
      EVERY 5 SECOND
    DO
      BEGIN
        DECLARE v INTEGER;
        DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;

        SET v = 0;

        WHILE v < 5 DO
          INSERT INTO t1 VALUES (0);
          UPDATE t2 SET s1 = s1 + 1;
          SET v = v + 1;
        END WHILE;
    END", false);
    }

    [Fact]
    public void Simple5()
    {
      Utility.ParseSql(@"CREATE EVENT e_call_myproc
    ON SCHEDULE
      AT CURRENT_TIMESTAMP + INTERVAL 1 DAY
    DO CALL myproc(5, 27);", false);
    }

    [Fact]
    public void Simple5In50()
    {
      string result = Utility.ParseSql(@"CREATE EVENT e_call_myproc
    ON SCHEDULE
      AT CURRENT_TIMESTAMP + INTERVAL 1 DAY
    DO CALL myproc(5, 27);", true, new Version(5, 0, 0));
      Assert.True(result.IndexOf(@"'EVENT' (event) is not valid input here.", StringComparison.InvariantCultureIgnoreCase) != -1 &&
        result.IndexOf("This syntax is only allowed for server versions starting with 5.1.0. The current version is 5.0.0", StringComparison.InvariantCultureIgnoreCase) != -1);
    }
  }
}
