<?php
/**
 * @package framework
 * @subpackage tests
 */
class DatetimeFieldTest extends SapphireTest {
	
	function setUp() {
		parent::setUp();
		
		$this->originalLocale = i18n::get_locale();
		i18n::set_locale('en_NZ');
		$this->origDateFormat = DateField::$default_config['dateformat'];
		DateField::$default_config['dateformat'] = 'dd/MM/yyyy';
		$this->origTimeFormat = TimeField::$default_config['timeformat'];
		TimeField::$default_config['timeformat'] = 'HH:mm:ss';
	}
	
	function tearDown() {
		parent::tearDown();
		
		i18n::set_locale($this->originalLocale);
		DateField::$default_config['dateformat'] = $this->origDateFormat;
		TimeField::$default_config['timeformat'] = $this->origTimeFormat;
	}

	function testFormSaveInto() {
		$form = new Form(
			new Controller(), 
			'Form',
			new FieldList(
				$f = new DatetimeField('MyDatetime', null)
			),
			new FieldList(
				new FormAction('doSubmit')
			)
		);
		$f->setValue(array(
			'date' => '29/03/2003',
			'time' => '23:59:38'
		));
		$m = new DatetimeFieldTest_Model();
		$form->saveInto($m);
		$this->assertEquals('2003-03-29 23:59:38', $m->MyDatetime);
	}
	
	function testDataValue() {
		$f = new DatetimeField('Datetime');
		$this->assertEquals(null, $f->dataValue(), 'Empty field');
		
		$f = new DatetimeField('Datetime', null, '2003-03-29 23:59:38');
		$this->assertEquals('2003-03-29 23:59:38', $f->dataValue(), 'From date/time string');
	}
	
	function testConstructorWithoutArgs() {
		$f = new DatetimeField('Datetime');
		$this->assertEquals($f->dataValue(), null);
	}
	
	// /**
	//  * @expectedException InvalidArgumentException
	//  */
	// function testConstructorWithLocalizedDateString() {
	// 	$f = new DatetimeField('Datetime', 'Datetime', '29/03/2003 23:59:38');
	// }
	
	function testConstructorWithIsoDate() {
		// used by Form->loadDataFrom()
		$f = new DatetimeField('Datetime', 'Datetime', '2003-03-29 23:59:38');
		$this->assertEquals($f->dataValue(), '2003-03-29 23:59:38');
	}
	
	// /**
	//  * @expectedException InvalidArgumentException
	//  */
	// function testSetValueWithDateString() {
	// 	$f = new DatetimeField('Datetime', 'Datetime');
	// 	$f->setValue('29/03/2003');
	// }
	
	function testSetValueWithDateTimeString() {
		$f = new DatetimeField('Datetime', 'Datetime');
		$f->setValue('2003-03-29 23:59:38');
		$this->assertEquals($f->dataValue(), '2003-03-29 23:59:38');
	}
	
	function testSetValueWithArray() {
		$f = new DatetimeField('Datetime', 'Datetime');
		// Values can only be localized (= non-ISO) in array notation
		$f->setValue(array(
			'date' => '29/03/2003',
			'time' => '11pm'
		));
		$this->assertEquals($f->dataValue(), '2003-03-29 23:00:00');
	}
	
	function testSetValueWithDmyArray() {
		$f = new DatetimeField('Datetime', 'Datetime');
		$f->getDateField()->setConfig('dmyfields', true);
		$f->setValue(array(
			'date' => array('day' => 29, 'month' => 03, 'year' => 2003),
			'time' => '11pm'
		));
		$this->assertEquals($f->dataValue(), '2003-03-29 23:00:00');
	}
	
	function testValidate() {
		$f = new DatetimeField('Datetime', 'Datetime', '2003-03-29 23:59:38');
		$this->assertTrue($f->validate(new RequiredFields()));
		
		$f = new DatetimeField('Datetime', 'Datetime', '2003-03-29');
		$this->assertTrue($f->validate(new RequiredFields()));
		
		$f = new DatetimeField('Datetime', 'Datetime', 'wrong');
		$this->assertFalse($f->validate(new RequiredFields()));
	}
	
	function testTimezone() {
		$oldTz = date_default_timezone_get();
		
		date_default_timezone_set('Europe/Berlin');
		// Berlin and Auckland have 12h time difference in northern hemisphere winter
		$f = new DatetimeField('Datetime', 'Datetime', '2003-12-24 23:59:59');
		$f->setConfig('usertimezone', 'Pacific/Auckland');
		$this->assertEquals('25/12/2003 11:59:59', $f->Value(), 'User value is formatted, and in user timezone');
		$this->assertEquals('25/12/2003', $f->getDateField()->Value());
		$this->assertEquals('11:59:59', $f->getTimeField()->Value());
		$this->assertEquals('2003-12-24 23:59:59', $f->dataValue(), 'Data value is unformatted, and in server timezone');
		
		date_default_timezone_set($oldTz);
	}
	
	function testTimezoneFromFormSubmission() {
		$oldTz = date_default_timezone_get();
		
		date_default_timezone_set('Europe/Berlin');
		// Berlin and Auckland have 12h time difference in northern hemisphere summer, but Berlin and Moscow only 2h.
		$f = new DatetimeField('Datetime', 'Datetime');
		$f->setConfig('usertimezone', 'Pacific/Auckland'); // should be overridden by form submission
		$f->setValue(array(
			// pass in default format, at user time (Moscow)
			'date' => '24/06/2003', 
			'time' => '23:59:59',
			'timezone' => 'Europe/Moscow'
		));
		$this->assertEquals('24/06/2003 23:59:59', $f->Value(), 'View composite value matches user timezone');
		$this->assertEquals('24/06/2003', $f->getDateField()->Value(), 'View date part matches user timezone');
		$this->assertEquals('23:59:59', $f->getTimeField()->Value(), 'View time part matches user timezone');
		// 2h difference to Moscow
		$this->assertEquals('2003-06-24 21:59:59', $f->dataValue(), 'Data value matches server timezone');
		
		date_default_timezone_set($oldTz);
	}
	
	function testTimezoneFromConfig() {
		$oldTz = date_default_timezone_get();
		
		date_default_timezone_set('Europe/Berlin');
		// Berlin and Auckland have 12h time difference in northern hemisphere summer, but Berlin and Moscow only 2h.
		$f = new DatetimeField('Datetime', 'Datetime');
		$f->setConfig('usertimezone', 'Europe/Moscow'); 
		$f->setValue(array(
			// pass in default format, at user time (Moscow)
			'date' => '24/06/2003', 
			'time' => '23:59:59',
		));
		$this->assertEquals('2003-06-24 21:59:59', $f->dataValue(), 'Data value matches server timezone');
		
		date_default_timezone_set($oldTz);
	}
}

/**
 * @package framework
 * @subpackage tests
 */
class DatetimeFieldTest_Model extends DataObject implements TestOnly {
	
	static $db = array(
		'MyDatetime' => 'SS_Datetime'
	);
	
}