package org.activiti.engine.test.bpmn.event.timer;

/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.activiti.engine.impl.test.PluggableActivitiTestCase;
import org.activiti.engine.runtime.Job;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.activiti.engine.test.Deployment;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;

import java.util.Calendar;
import java.util.Date;
import java.util.List;

/**
 * @author Vasile Dirla
 */
public class BoundaryTimerEventRepeatWithEnd extends PluggableActivitiTestCase {

  @Deployment
  public void testRepeatWithEnd() throws Throwable {

    Calendar calendar = Calendar.getInstance();
    Date baseTime = calendar.getTime();

    calendar.add(Calendar.MINUTE, 20);
    //expect to stop boundary jobs after 20 minutes
    DateTimeFormatter fmt = ISODateTimeFormat.dateTime();
    DateTime dt = new DateTime(calendar.getTime());
    String dateStr = fmt.print(dt);

    //reset the timer
    Calendar nextTimeCal = Calendar.getInstance();
    nextTimeCal.setTime(baseTime);
    processEngineConfiguration.getClock().setCurrentTime(nextTimeCal.getTime());

    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("repeatWithEnd");

    runtimeService.setVariable(processInstance.getId(), "EndDateForBoundary", dateStr);

    List<Task> tasks = taskService.createTaskQuery().list();
    assertEquals(1, tasks.size());

    Task task = tasks.get(0);
    assertEquals("Task A", task.getName());

    //Test Boundary Events
    // complete will cause timer to be created
    taskService.complete(task.getId());

    List<Job> jobs = managementService.createJobQuery().list();
    assertEquals(1, jobs.size());
    //boundary events

    try {
      waitForJobExecutorToProcessAllJobs(2000, 200);
      fail("a new job must be prepared because there are 20 repeats 2 seconds interval");
    } catch (Exception ex) {
      //expected exception because a new job is prepared
    }

    nextTimeCal.add(Calendar.MINUTE, 15); //after 15 minutes
    processEngineConfiguration.getClock().setCurrentTime(nextTimeCal.getTime());

    try {
      waitForJobExecutorToProcessAllJobs(2000, 200);
      fail("a new job must be prepared because there are 20 repeats 2 seconds interval");
    } catch (Exception ex) {
      //expected exception because a new job is prepared
    }

    nextTimeCal.add(Calendar.MINUTE, 5); //after another 5 minutes (20 minutes and 1 second from the baseTime) the BoundaryEndTime is reached
    nextTimeCal.add(Calendar.SECOND, 1);
    processEngineConfiguration.getClock().setCurrentTime(nextTimeCal.getTime());

    try {
      waitForJobExecutorToProcessAllJobs(2000, 200);
    } catch (Exception ex) {
      fail("Should not have any other jobs because the endDate is reached");
    }
    tasks = taskService.createTaskQuery().list();
    task = tasks.get(0);
    assertEquals("Task B", task.getName());
    assertEquals(1, tasks.size());
    taskService.complete(task.getId());

    try {
      waitForJobExecutorToProcessAllJobs(2000, 500);
    } catch (Exception e) {
      // expected
      fail("No jobs should be active here.");

    }

  }

}