/**
    * Copyright 2004-2012 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.
   */
  package org.kuali.hr.time.task.service;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.hr.time.service.base.TkServiceLocator;
  import org.kuali.hr.time.task.Task;
  import org.kuali.hr.time.task.dao.TaskDao;
  import org.kuali.hr.time.util.TkConstants;
  import org.kuali.hr.time.workarea.WorkArea;
  
  import java.sql.Date;
  import java.util.ArrayList;
  import java.util.List;
  
  public class TaskServiceImpl implements TaskService {
  
      private TaskDao taskDao;
  
      @Override
      public Task getTask(Long task, Date asOfDate) {
          Task taskObj =  taskDao.getTask(task, asOfDate);
          if(taskObj == null){
          	taskObj = new Task();
          	taskObj.setActive(true);
          	taskObj.setEffectiveDate(asOfDate);
          	taskObj.setTask(task);
          	taskObj.setDescription(TkConstants.TASK_DEFAULT_DESP);
          	taskObj.setTkTaskId("0");
          }
          return taskObj;
      }
  
      @Override
      public void saveTask(Task task) {
          taskDao.saveOrUpdate(task);
      }
  
      @Override
      public void saveTasks(List<Task> tasks) {
          taskDao.saveOrUpdate(tasks);
      }
  
      public void setTaskDao(TaskDao taskDao) {
          this.taskDao = taskDao;
      } 
  
  	@Override
  	public Task getMaxTask(){
  		return taskDao.getMaxTask();
  	}
  
      @Override
      public List<Task> getTasks(String task, String description, String workArea, String workAreaDesc, Date fromEffdt, Date toEffdt) {
  
          Long taskForQuery = StringUtils.isEmpty(task) ? null : Long.parseLong(task);
  
          List<Task> results = new ArrayList<Task>();
          if (StringUtils.isNotEmpty(workAreaDesc)) {
              List<WorkArea> workAreas = TkServiceLocator.getWorkAreaService().getWorkAreas(null, null, workAreaDesc, null, null, "Y", "N");
              for (WorkArea wa : workAreas) {
                  List<Task> tasks = taskDao.getTasks(taskForQuery, description, wa.getWorkArea(), workAreaDesc, fromEffdt, toEffdt);
                  results.addAll(tasks);
              }
          } else {
              Long wa = StringUtils.isEmpty(workArea) ? null : Long.parseLong(workArea);
              List<Task> tasks = taskDao.getTasks(taskForQuery, description, wa, workAreaDesc, fromEffdt, toEffdt);
              results.addAll(tasks);
          }
  
          return results;
      }
      
      @Override
      public int getTaskCount(Long task) {
      	return taskDao.getTaskCount(task);
      }
  }