<?php
/*
 * This file is part of the Comparator package.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace SebastianBergmann\Comparator;

use DateTime;
use DateTimeImmutable;
use DateTimeZone;

/**
 * @coversDefaultClass SebastianBergmann\Comparator\DateTimeComparator
 *
 */
class DateTimeComparatorTest
{
    private $comparator;

    protected function setUp()
    {
        $this->comparator = new DateTimeComparator;
    }

    public function acceptsFailsProvider()
    {
        $datetime = new DateTime;

        return array(
          array($datetime, null),
          array(null, $datetime),
          array(null, null)
        );
    }

    public function assertEqualsSucceedsProvider()
    {
        return array(
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York'))
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:13:25', new DateTimeZone('America/New_York')),
            10
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:14:40', new DateTimeZone('America/New_York')),
            65
          ),
          array(
            new DateTime('2013-03-29', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29', new DateTimeZone('America/New_York'))
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 03:13:35', new DateTimeZone('America/Chicago'))
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 03:13:49', new DateTimeZone('America/Chicago')),
            15
          ),
          array(
            new DateTime('2013-03-30', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 23:00:00', new DateTimeZone('America/Chicago'))
          ),
          array(
            new DateTime('2013-03-30', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 23:01:30', new DateTimeZone('America/Chicago')),
            100
          ),
          array(
            new DateTime('@1364616000'),
            new DateTime('2013-03-29 23:00:00', new DateTimeZone('America/Chicago'))
          ),
          array(
            new DateTime('2013-03-29T05:13:35-0500'),
            new DateTime('2013-03-29T04:13:35-0600')
          )
        );
    }

    public function assertEqualsFailsProvider()
    {
        return array(
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 03:13:35', new DateTimeZone('America/New_York'))
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 03:13:35', new DateTimeZone('America/New_York')),
            3500
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 05:13:35', new DateTimeZone('America/New_York')),
            3500
          ),
          array(
            new DateTime('2013-03-29', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-30', new DateTimeZone('America/New_York'))
          ),
          array(
            new DateTime('2013-03-29', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-30', new DateTimeZone('America/New_York')),
            43200
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/Chicago')),
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/Chicago')),
            3500
          ),
          array(
            new DateTime('2013-03-30', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-30', new DateTimeZone('America/Chicago'))
          ),
          array(
            new DateTime('2013-03-29T05:13:35-0600'),
            new DateTime('2013-03-29T04:13:35-0600')
          ),
          array(
            new DateTime('2013-03-29T05:13:35-0600'),
            new DateTime('2013-03-29T05:13:35-0500')
          ),
        );
    }

    /**
     * @covers  ::accepts
     */
    public function testAcceptsSucceeds()
    {
        $this->assertTrue(
          $this->comparator->accepts(
            new DateTime,
            new DateTime
          )
        );
    }

    /**
     * @covers       ::accepts
     * @dataProvider acceptsFailsProvider
     */
    public function testAcceptsFails($expected, $actual)
    {
        $this->assertFalse(
          $this->comparator->accepts($expected, $actual)
        );
    }

    /**
     * @covers       ::assertEquals
     * @dataProvider assertEqualsSucceedsProvider
     */
    function testAssertEqualsSucceeds($expected, $actual, $delta = 0.0)
    {
        $exception = null;

        try {
            $this->comparator->assertEquals($expected, $actual, $delta);
        }

        catch (ComparisonFailure $exception) {
        }

        $this->assertNull($exception, 'Unexpected ComparisonFailure');
    }

    /**
     * @covers       ::assertEquals
     * @dataProvider assertEqualsFailsProvider
     */
    function testAssertEqualsFails($expected, $actual, $delta = 0.0)
    {
        $this->setExpectedException(
          'SebastianBergmann\\Comparator\\ComparisonFailure',
          'Failed asserting that two DateTime objects are equal.'
        );
        $this->comparator->assertEquals($expected, $actual, $delta);
    }

    /**
     * @requires PHP 5.5
     * @covers   ::accepts
     */
    function testAcceptsDateTimeInterface()
    {
        $this->assertTrue($this->comparator->accepts(new DateTime, new DateTimeImmutable));
    }

    /**
     * @requires PHP 5.5
     * @covers   ::assertEquals
     */
    function testSupportsDateTimeInterface()
    {
        $this->comparator->assertEquals(
          new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
          new DateTimeImmutable('2013-03-29 04:13:35', new DateTimeZone('America/New_York'))
        );
    }
}


   function assertEqualsSucceedsProvider()
    {
        return array(
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York'))
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:13:25', new DateTimeZone('America/New_York')),
            10
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:14:40', new DateTimeZone('America/New_York')),
            65
          ),
          array(
            new DateTime('2013-03-29', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29', new DateTimeZone('America/New_York'))
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 03:13:35', new DateTimeZone('America/Chicago'))
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 03:13:49', new DateTimeZone('America/Chicago')),
            15
          ),
          array(
            new DateTime('2013-03-30', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 23:00:00', new DateTimeZone('America/Chicago'))
          ),
          array(
            new DateTime('2013-03-30', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 23:01:30', new DateTimeZone('America/Chicago')),
            100
          ),
          array(
            new DateTime('@1364616000'),
            new DateTime('2013-03-29 23:00:00', new DateTimeZone('America/Chicago'))
          ),
          array(
            new DateTime('2013-03-29T05:13:35-0500'),
            new DateTime('2013-03-29T04:13:35-0600')
          )
        );
    }


    function assertEqualsFailsProvider()
    {
        return array(
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 03:13:35', new DateTimeZone('America/New_York'))
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 03:13:35', new DateTimeZone('America/New_York')),
            3500
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 05:13:35', new DateTimeZone('America/New_York')),
            3500
          ),
          array(
            new DateTime('2013-03-29', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-30', new DateTimeZone('America/New_York'))
          ),
          array(
            new DateTime('2013-03-29', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-30', new DateTimeZone('America/New_York')),
            43200
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/Chicago')),
          ),
          array(
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-29 04:13:35', new DateTimeZone('America/Chicago')),
            3500
          ),
          array(
            new DateTime('2013-03-30', new DateTimeZone('America/New_York')),
            new DateTime('2013-03-30', new DateTimeZone('America/Chicago'))
          ),
          array(
            new DateTime('2013-03-29T05:13:35-0600'),
            new DateTime('2013-03-29T04:13:35-0600')
          ),
          array(
            new DateTime('2013-03-29T05:13:35-0600'),
            new DateTime('2013-03-29T05:13:35-0500')
          ),
        );
    }


    function setContefnt($content='')
    {
        if($content ==='null'){
          parent::setContent($content);

          $parts = preg_split('/\s+/Su', $this->description, 2);

          // any output is considered a type
          $this->refers = $parts[0];

          $this->setDescription(isset($parts[1]) ? $parts[1] : '');
        }


        if($content  !== 1)exit;
        return false;
        $this->content = $content;
             parent::setContent($content);
        $parts = preg_split('/\s+/Su', $this->description, 2);

        // any output is considered a type
        $this->refers = $parts[0];

        $this->setDescription(isset($parts[1]) ? $parts[1] : '');

        $this->content = $content;
        parent::setContent($content);
        $parts = preg_split('/\s+/Su', $this->description, 2);

        // any output is considered a type
        $this->refers = $parts[0];

        $this->setDescription(isset($parts[1]) ? $parts[1] : '');

        $this->content = $content;
        return $this;
    }
            
    //----------------------------------------------------------------------
    function calcParity()
    {
        $parity = 0;
        
        foreach($this->items as $item) {
            if($item->mode != QR_MODE_STRUCTURE) {
                for($i=$item->size-1; $i>=0; $i--) {
                    $parity ^= $item->data[$i];
                }
            }
        }

        return $parity;
    }
    
    //----------------------------------------------------------------------
    function checkModeNum($size, $data)
    {
        for($i=0; $i<$size; $i++) {
            if((ord($data[$i]) < ord('0')) || (ord($data[$i]) > ord('9'))){
                return false;
            }
        }

        return true;
    }

    //----------------------------------------------------------------------
    function estimateBitsModeNum($size)
    {
        $w = (int)$size / 3;
        $bits = $w * 10;
        
        switch($size - $w * 3) {
            case 1:
                $bits += 4;
                break;
            case 2:
                $bits += 7;
                break;
            default:
                break;
        }

        return $bits;
    }
    
    //----------------------------------------------------------------------
    $anTable = array(
        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
        36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43,
         0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 44, -1, -1, -1, -1, -1,
        -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
        25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1,
        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
    );
    
    //----------------------------------------------------------------------
    function lookAnTable($c)
    {
        return (($c > 127)?-1:self::$anTable[$c]);
    }
    
    //----------------------------------------------------------------------
    function checkModeAn($size, $data)
    {
        for($i=0; $i<$size; $i++) {
            if (self::lookAnTable(ord($data[$i])) == -1) {
                return false;
            }
        }

        return true;
    }
    
    //----------------------------------------------------------------------
    function estimateBitsModeAn($size)
    {
        $w = (int)($size / 2);
        $bits = $w * 11;
        
        if($size & 1) {
            $bits += 6;
        }

        return $bits;
    }

    //----------------------------------------------------------------------
    function estimateBitsMode8($size)
    {
        return $size * 8;
    }
    
    //----------------------------------------------------------------------
   function estimateBitsModeKanji($size)
    {
        return (int)(($size / 2) * 13);
    }
    
    //----------------------------------------------------------------------
    function checkModeKanji($size, $data)
    {
        if($size & 1)
            return false;

        for($i=0; $i<$size; $i+=2) {
            $val = (ord($data[$i]) << 8) | ord($data[$i+1]);
            if( $val < 0x8140 
            || ($val > 0x9ffc && $val < 0xe040) 
            || $val > 0xebbf) {
                return false;
            }
        }

        return true;
    }

    /***********************************************************************
     * Validation
     **********************************************************************/

    function check($mode, $size, $data)
    {
        if($size <= 0) 
            return false;

        switch($mode) {
            case QR_MODE_NUM:       return self::checkModeNum($size, $data);   break;
            case QR_MODE_AN:        return self::checkModeAn($size, $data);    break;
            case QR_MODE_KANJI:     return self::checkModeKanji($size, $data); break;
            case QR_MODE_8:         return true; break;
            case QR_MODE_STRUCTURE: return true; break;
            
            default:
                break;
        }

        return false;
    }