<?php

use PrivateBin\Filter;
use Eris\Generator;

class FilterTest extends PHPUnit_Framework_TestCase
{
    use Eris\TestTrait;

    public function testFilterStripsSlashesDeeply()
    {
        $this->assertEquals(
            array("f'oo", "b'ar", array("fo'o", "b'ar")),
            Filter::stripslashesDeep(array("f\\'oo", "b\\'ar", array("fo\\'o", "b\\'ar")))
        );
    }

    public function testFilterMakesTimesHumanlyReadable()
    {
        $this->forAll(
            Generator\nat(),
            Generator\oneOf(
                'sec', 'second', 'seconds'
            )
        )->then(
            function ($int, $unit)
            {
                $suffix = $int === 1 ? '' : 's';
                $this->assertEquals($int . ' second' . $suffix, Filter::formatHumanReadableTime($int . $unit));
            }
        );
        $this->forAll(
            Generator\nat(),
            Generator\oneOf(
                'min', 'minute', 'minutes'
            )
        )->then(
            function ($int, $unit)
            {
                $suffix = $int === 1 ? '' : 's';
                $this->assertEquals($int . ' minute' . $suffix, Filter::formatHumanReadableTime($int . $unit));
            }
        );
        $this->forAll(
            Generator\nat(),
            Generator\oneOf(
                'hour', 'hours', 'day', 'days', 'week', 'weeks',
                'month', 'months', 'year', 'years'
            )
        )->then(
            function ($int, $unit)
            {
                $suffix = $int === 1 ? '' : 's';
                $this->assertEquals($int . ' ' . rtrim($unit, 's') . $suffix, Filter::formatHumanReadableTime($int . $unit));
            }
        );
    }

    /**
     * @expectedException Exception
     * @expectedExceptionCode 30
     */
    public function testFilterFailTimesHumanlyReadable()
    {
        Filter::formatHumanReadableTime('five_minutes');
    }

    public function testFilterMakesSizesHumanlyReadable()
    {
        $this->assertEquals('1 B', Filter::formatHumanReadableSize(1));
        $this->assertEquals('1 000 B', Filter::formatHumanReadableSize(1000));
        $this->assertEquals('1.00 KiB', Filter::formatHumanReadableSize(1024));
        $this->assertEquals('1.21 KiB', Filter::formatHumanReadableSize(1234));
        $exponent = 1024;
        $this->assertEquals('1 000.00 KiB', Filter::formatHumanReadableSize(1000 * $exponent));
        $this->assertEquals('1.00 MiB', Filter::formatHumanReadableSize(1024 * $exponent));
        $this->assertEquals('1.21 MiB', Filter::formatHumanReadableSize(1234 * $exponent));
        $exponent *= 1024;
        $this->assertEquals('1 000.00 MiB', Filter::formatHumanReadableSize(1000 * $exponent));
        $this->assertEquals('1.00 GiB', Filter::formatHumanReadableSize(1024 * $exponent));
        $this->assertEquals('1.21 GiB', Filter::formatHumanReadableSize(1234 * $exponent));
        $exponent *= 1024;
        $this->assertEquals('1 000.00 GiB', Filter::formatHumanReadableSize(1000 * $exponent));
        $this->assertEquals('1.00 TiB', Filter::formatHumanReadableSize(1024 * $exponent));
        $this->assertEquals('1.21 TiB', Filter::formatHumanReadableSize(1234 * $exponent));
        $exponent *= 1024;
        $this->assertEquals('1 000.00 TiB', Filter::formatHumanReadableSize(1000 * $exponent));
        $this->assertEquals('1.00 PiB', Filter::formatHumanReadableSize(1024 * $exponent));
        $this->assertEquals('1.21 PiB', Filter::formatHumanReadableSize(1234 * $exponent));
        $exponent *= 1024;
        $this->assertEquals('1 000.00 PiB', Filter::formatHumanReadableSize(1000 * $exponent));
        $this->assertEquals('1.00 EiB', Filter::formatHumanReadableSize(1024 * $exponent));
        $this->assertEquals('1.21 EiB', Filter::formatHumanReadableSize(1234 * $exponent));
        $exponent *= 1024;
        $this->assertEquals('1 000.00 EiB', Filter::formatHumanReadableSize(1000 * $exponent));
        $this->assertEquals('1.00 ZiB', Filter::formatHumanReadableSize(1024 * $exponent));
        $this->assertEquals('1.21 ZiB', Filter::formatHumanReadableSize(1234 * $exponent));
        $exponent *= 1024;
        $this->assertEquals('1 000.00 ZiB', Filter::formatHumanReadableSize(1000 * $exponent));
        $this->assertEquals('1.00 YiB', Filter::formatHumanReadableSize(1024 * $exponent));
        $this->assertEquals('1.21 YiB', Filter::formatHumanReadableSize(1234 * $exponent));
    }

    public function testSlowEquals()
    {
        $this->assertTrue(Filter::slowEquals('foo', 'foo'), 'same string');
        $this->assertFalse(Filter::slowEquals('foo', true), 'string and boolean');
        $this->assertFalse(Filter::slowEquals('foo', 0), 'string and integer');
        $this->assertFalse(Filter::slowEquals('123foo', 123), 'string and integer');
        $this->assertFalse(Filter::slowEquals('123foo', '123'), 'different strings');
        $this->assertFalse(Filter::slowEquals('6', ' 6'), 'strings with space');
        $this->assertFalse(Filter::slowEquals('4.2', '4.20'), 'floats as strings');
        $this->assertFalse(Filter::slowEquals('1e3', '1000'), 'integers as strings');
        $this->assertFalse(Filter::slowEquals('9223372036854775807', '9223372036854775808'), 'large integers as strings');
        $this->assertFalse(Filter::slowEquals('61529519452809720693702583126814', '61529519452809720000000000000000'), 'larger integers as strings');
    }
}