/*
 * Copyright 2016 KairosDB Authors
 *
 *    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.
 */
package org.kairosdb.core.http.rest.json;

import org.junit.Before;
import org.junit.Test;
import org.kairosdb.core.exception.KairosDBException;
import org.kairosdb.testing.BeanValidationHelper;

import javax.validation.ConstraintViolation;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.List;
import java.util.Set;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;

public class RelativeTimeTest
{
	private static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MMM-dd HH:mm:ss.SS");
	private long timeRelativeTo;

	@Before
	public void setup() throws ParseException
	{
		timeRelativeTo = dateFormat.parse("2013-JAN-18 4:55:12.22").getTime();
	}

	@Test(expected = IllegalArgumentException.class)
	public void test_getTimeRelativeTo_invalidUnit() throws KairosDBException
	{
		RelativeTime time = new RelativeTime(5, "QUARTERS");

		time.getTimeRelativeTo(System.currentTimeMillis());
	}

	@Test
	public void test_getTimeRelativeTo_milliseconds() throws ParseException
	{
		RelativeTime time = new RelativeTime(5, "MILLISECONDS");

		assertThat(time.getTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2013-Jan-18 4:55:12.17").getTime()));
	}

	@Test
	public void test_getTimeRelativeTo_seconds() throws ParseException
	{
		RelativeTime time = new RelativeTime(5, "SECONDS");

		assertThat(time.getTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2013-Jan-18 4:55:07.22").getTime()));
	}

	@Test
	public void test_getTimeRelativeTo_minutes() throws ParseException
	{
		RelativeTime time = new RelativeTime(5, "MINUTES");

		assertThat(time.getTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2013-Jan-18 4:50:12.22").getTime()));
	}

	@Test
	public void test_getTimeRelativeTo_hours() throws ParseException
	{
		RelativeTime time = new RelativeTime(3, "HOURS");

		assertThat(time.getTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2013-Jan-18 1:55:12.22").getTime()));
	}

	@Test
	public void test_getTimeRelativeTo_days() throws ParseException
	{
		RelativeTime time = new RelativeTime(3, "DAYS");

		assertThat(time.getTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2013-Jan-15 4:55:12.22").getTime()));
	}

	@Test
	public void test_getTimeRelativeTo_weeks() throws ParseException
	{
		RelativeTime time = new RelativeTime(3, "WEEKS");

		assertThat(time.getTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2012-Dec-28 4:55:12.22").getTime()));
	}

	@Test
	public void test_getTimeRelativeTo_Months() throws ParseException
	{
		RelativeTime time = new RelativeTime(2, "MONTHS");

		assertThat(time.getTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2012-Nov-18 4:55:12.22").getTime()));
	}

	@Test
	public void test_getTimeRelativeTo_years() throws ParseException
	{
		RelativeTime time = new RelativeTime(3, "YEARS");

		assertThat(time.getTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2010-JAN-18 4:55:12.22").getTime()));
	}

	@Test
	public void testValueZeroInvalid()
	{
		RelativeTime time = new RelativeTime(0, "days");
		Set<ConstraintViolation<RelativeTime>> violations = BeanValidationHelper.VALIDATOR.validate(time);
		List<String> violationMessages = BeanValidationHelper.messagesFor(violations);

		assertThat(violationMessages.size(), equalTo(1));
		assertThat(violationMessages.get(0), equalTo("value must be greater than or equal to 1"));
	}

	@Test
	public void testUnitNullInvalid()
	{
		RelativeTime time = new RelativeTime();
		Set<ConstraintViolation<RelativeTime>> violations = BeanValidationHelper.VALIDATOR.validate(time);
		List<String> violationMessages = BeanValidationHelper.messagesFor(violations);

		assertThat(violationMessages.size(), equalTo(2));
		/*assertThat(violationMessages.get(1), equalTo("value must be greater than or equal to 1"));
		assertThat(violationMessages.get(0), equalTo("unit may not be null"));*/
	}

	@Test
	public void test_getFutureTimeRelativeTo_milliseconds() throws ParseException
	{
		RelativeTime time = new RelativeTime(5, "MILLISECONDS");

		assertThat(time.getFutureTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2013-Jan-18 4:55:12.27").getTime()));
	}

	@Test
	public void test_getFutureTimeRelativeTo_seconds() throws ParseException
	{
		RelativeTime time = new RelativeTime(5, "SECONDS");

		assertThat(time.getFutureTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2013-Jan-18 4:55:17.22").getTime()));
	}

	@Test
	public void test_getFutureTimeRelativeTo_minutes() throws ParseException
	{
		RelativeTime time = new RelativeTime(5, "MINUTES");

		assertThat(time.getFutureTimeRelativeTo(timeRelativeTo), equalTo(dateFormat.parse("2013-Jan-18 5:00:12.22").getTime()));
	}


}
@@ -948,24 +948,49 @@
 .util.List;%0A
+import java.util.Locale;%0A
 import java.
@@ -1223,16 +1223,32 @@
 m:ss.SS%22
+, Locale.ENGLISH
 );%0A%09priv

test was failing if default local is not english