/**
    * Copyright 2004-2013 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.util;
  
  import java.math.BigDecimal;
  import java.sql.Date;
  import java.sql.Timestamp;
  import java.text.SimpleDateFormat;
  import java.util.List;
  
  import org.joda.time.DateTime;
  import org.joda.time.Interval;
  import org.junit.Assert;
  import org.junit.Test;
  import org.kuali.hr.time.calendar.CalendarEntries;
  
  public class TKUtilsTest extends Assert {
  
  	@Test
  	public void testGetWeekIntervals() throws Exception {
  		Date beginDate = new Date((new DateTime(2010, 1, 1, 12, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis());
  		Date endDate   = new Date((new DateTime(2010, 3, 1, 12, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis());
  		List<Interval> intervals = TKUtils.getWeekIntervals(beginDate, endDate);
  		assertEquals("Missing partial week", 9, intervals.size());
  		for (Interval interval : intervals) {
  			System.out.println(interval);
  		}
  
  		beginDate = new Date((new DateTime(2010, 1, 1, 12, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis());
  		endDate   = new Date((new DateTime(2010, 1, 3, 12, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis());
  		intervals = TKUtils.getWeekIntervals(beginDate, endDate);
  		assertEquals("Missing partial week", 1, intervals.size());
  		for (Interval interval : intervals) {
  			System.out.println(interval);
  		}
  
  	}
  
  	@Test
  	public void testgetHoursBetween() throws Exception {
  		Timestamp beginTime = new Timestamp((new DateTime(2010, 10, 16, 12, 3, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis());
  		Timestamp endTime = new Timestamp((new DateTime(2010, 10, 17, 12, 3, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis());
  		BigDecimal hours = TKUtils.getHoursBetween(beginTime.getTime(), endTime.getTime());
  		assertEquals("Wrong hours", 24, hours.intValue());
  
  		endTime = new Timestamp((new DateTime(2010, 10, 16, 18, 3, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis());
  		hours = TKUtils.getHoursBetween(beginTime.getTime(), endTime.getTime());
  		assertEquals("Wrong hours", 6, hours.intValue());
  
  		endTime = new Timestamp((new DateTime(2010, 10, 16, 18, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis());
  		hours = TKUtils.getHoursBetween(beginTime.getTime(), endTime.getTime());
  		assertEquals("Wrong hours", 5, hours.intValue());
  
  	}
  
  	@Test
  	public void testGetFullWeekDaySpanForPayCalendarEntry() {
  		CalendarEntries payCalendarEntry = new CalendarEntries();
  		// begin date is a Monday
  		payCalendarEntry.setBeginPeriodDateTime(new Date((new DateTime(2011, 8, 8, 12, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis()));
  		// end date is a Thursday
  		payCalendarEntry.setEndPeriodDateTime(new Date((new DateTime(2011, 8, 25, 12, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis()));
  		List<Interval> intervals = TKUtils.getFullWeekDaySpanForCalendarEntry(payCalendarEntry, TKUtils.getSystemDateTimeZone() );
  		SimpleDateFormat format = new SimpleDateFormat("MM/dd/yyyy");
  		assertEquals("First Interval should be 08/07/2011", "08/07/2011", format.format(intervals.get(0).getStart().toDate()));
  		assertEquals("Last Interval should be 08/26/2011", "08/26/2011", format.format(intervals.get(intervals.size()-1).getStart().toDate()));
  
  		// begin date is a Sunday
  		payCalendarEntry.setBeginPeriodDateTime(new Date((new DateTime(2011, 8, 14, 12, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis()));
  		intervals = TKUtils.getFullWeekDaySpanForCalendarEntry(payCalendarEntry, TKUtils.getSystemDateTimeZone() );
  		assertEquals("First Interval should be 08/14/2011", "08/14/2011", format.format(intervals.get(0).getStart().toDate()));
  		assertEquals("Last Interval should be 08/26/2011", "08/26/2011",  format.format(intervals.get(intervals.size()-1).getStart().toDate()));
  
  		// end date is a Sunday
  		payCalendarEntry.setEndPeriodDateTime(new Date((new DateTime(2011, 8, 28, 12, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis()));
  		intervals = TKUtils.getFullWeekDaySpanForCalendarEntry(payCalendarEntry, TKUtils.getSystemDateTimeZone() );
  		assertEquals("First Interval should be 08/14/2011", "08/14/2011",format.format(intervals.get(0).getStart().toDate()));
  		assertEquals("Last Interval should be 09/02/2011", "09/02/2011", format.format(intervals.get(intervals.size()-1).getStart().toDate()));
  
  		// end date is a Sunday and end time is 0:00
  		payCalendarEntry.setEndPeriodDateTime(new Date((new DateTime(2011, 8, 28, 0, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis()));
  		intervals = TKUtils.getFullWeekDaySpanForCalendarEntry(payCalendarEntry, TKUtils.getSystemDateTimeZone() );
  		assertEquals("First Interval should be 08/14/2011", "08/14/2011",format.format(intervals.get(0).getStart().toDate()));
  		assertEquals("Last Interval should be 08/27/2011", "08/27/2011", format.format(intervals.get(intervals.size()-1).getStart().toDate()));
  
  		// end date is a Monday and end time is 0:00
 		payCalendarEntry.setEndPeriodDateTime(new Date((new DateTime(2011, 8, 29, 0, 0, 0, 0, TKUtils.getSystemDateTimeZone())).getMillis()));
 		intervals = TKUtils.getFullWeekDaySpanForCalendarEntry(payCalendarEntry, TKUtils.getSystemDateTimeZone() );
 		assertEquals("First Interval should be 08/14/2011", "08/14/2011",format.format(intervals.get(0).getStart().toDate()));
 		assertEquals("Last Interval should be 09/03/2011", "09/03/2011", format.format(intervals.get(intervals.size()-1).getStart().toDate()));
 
 	}
 	
 	@Test
 	public void testConvertMillisToMinutes() {
 		BigDecimal mins = TKUtils.convertMillisToMinutes(new Long(380000));
 		assertTrue("Minutes should be between 6 and 7",  mins.compareTo(new BigDecimal(6)) > 0  && mins.compareTo(new BigDecimal(7)) < 0);
 		mins = TKUtils.convertMillisToMinutes(new Long(240000));
 		assertTrue("Minutes should be 4",  mins.compareTo(new BigDecimal(4)) == 0);
 	}
 	
 	@Test
 	public void testFromDateString() {
 		String dateString = "01/01/2012..12/31/2012";
 		String fromDateString = TKUtils.getFromDateString(dateString);
 		assertTrue("fromDateString should be 01/01/2012, not " + fromDateString, fromDateString.equals("01/01/2012"));
 		assertNotNull(TKUtils.formatDateString(fromDateString));
 		
 		dateString = ">=2/01/2012";
 		fromDateString = TKUtils.getFromDateString(dateString);
 		assertTrue("fromDateString should be 2/01/2012, not " + fromDateString, fromDateString.equals("2/01/2012"));
 		assertNotNull(TKUtils.formatDateString(fromDateString));
 	}
 	
 	@Test
 	public void testToDateString() {
 		String dateString = "01/01/2012..12/31/2012";
 		String toDateString = TKUtils.getToDateString(dateString);
 		assertTrue("toDateString should be 12/31/2012, not " + toDateString, toDateString.equals("12/31/2012"));
 		assertNotNull(TKUtils.formatDateString(toDateString));
 		
 		dateString = "<=2/01/2012";
 		toDateString = TKUtils.getToDateString(dateString);
 		assertTrue("toDateString should be 2/01/2012, not " + toDateString, toDateString.equals("2/01/2012"));
 		assertNotNull(TKUtils.formatDateString(toDateString));
 	}
 
 }