<?php

/*
 * PEL: PHP Exif Library. A library with support for reading and
 * writing all Exif headers in JPEG and TIFF images using PHP.
 *
 * Copyright (C) 2004, 2006, 2007 Martin Geisler.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program in the file COPYING; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301 USA
 */
use lsolesen\pel\PelConvert;
use lsolesen\pel\PelEntryAscii;
use lsolesen\pel\PelEntryCopyright;
use lsolesen\pel\PelEntryTime;
use lsolesen\pel\PelTag;
use PHPUnit\Framework\TestCase;

class AsciiTest extends TestCase
{

    function testConstructorWithNoValues()
    {
        if (version_compare(PHP_VERSION, '7.1.0') >= 0) {
            $this->markTestSkipped('Test does not run on PHP 7.1.0+');
        } else {
            $this->expectException(PHPUnit_Framework_Exception::class);
            $entry = new PelEntryAscii();
        }
    }

    function testReturnValues()
    {
        $entry = new PelEntryAscii(42);

        $entry = new PelEntryAscii(42, 'foo bar baz');
        $this->assertEquals($entry->getComponents(), 12);
        $this->assertEquals($entry->getValue(), 'foo bar baz');
    }

    function testTimeWithNoConstructorArgument()
    {
        if (version_compare(PHP_VERSION, '7.1.0') >= 0) {
            $this->markTestSkipped('Test does not run on PHP 7.1.0+');
        } else {
            $this->expectException(PHPUnit_Framework_Exception::class);
            $entry = new PelEntryTime();
        }
    }

    function testTimeWithNoOneConstructorArgument()
    {
        if (version_compare(PHP_VERSION, '7.1.0') >= 0) {
            $this->markTestSkipped('Test does not run on PHP 7.1.0+');
        } else {
            $this->expectException(PHPUnit_Framework_Exception::class);
            $entry = new PelEntryTime(42);
        }
    }

    function testTime()
    {
        $entry = new PelEntryTime(42, 10);

        $this->assertEquals($entry->getComponents(), 20);
        $this->assertEquals($entry->getValue(), 10);
        $this->assertEquals($entry->getValue(PelEntryTime::UNIX_TIMESTAMP), 10);
        $this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '1970:01:01 00:00:10');
        $this->assertEquals($entry->getValue(PelEntryTime::JULIAN_DAY_COUNT), 2440588 + 10 / 86400);
        $this->assertEquals($entry->getText(), '1970:01:01 00:00:10');

        // Malformed Exif timestamp.
        $entry->setValue('1970!01-01 00 00 30', PelEntryTime::EXIF_STRING);
        $this->assertEquals($entry->getValue(), 30);

        $entry->setValue(2415021.75, PelEntryTime::JULIAN_DAY_COUNT);
        // This is Jan 1st 1900 at 18:00, outside the range of a UNIX
        // timestamp:
        $this->assertEquals($entry->getValue(), false);
        $this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '1900:01:01 18:00:00');
        $this->assertEquals($entry->getValue(PelEntryTime::JULIAN_DAY_COUNT), 2415021.75);

        $entry->setValue('0000:00:00 00:00:00', PelEntryTime::EXIF_STRING);

        $this->assertEquals($entry->getValue(), false);
        $this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '0000:00:00 00:00:00');
        $this->assertEquals($entry->getValue(PelEntryTime::JULIAN_DAY_COUNT), 0);

        $entry->setValue('9999:12:31 23:59:59', PelEntryTime::EXIF_STRING);

        // this test will fail on 32bit machines
        $this->assertEquals($entry->getValue(), 253402300799);
        $this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '9999:12:31 23:59:59');
        $this->assertEquals($entry->getValue(PelEntryTime::JULIAN_DAY_COUNT), 5373484 + 86399 / 86400);

        // Check day roll-over for SF bug #1699489.
        $entry->setValue('2007:04:23 23:30:00', PelEntryTime::EXIF_STRING);
        $t = $entry->getValue(PelEntryTime::UNIX_TIMESTAMP);
        $entry->setValue($t + 3600);

        $this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '2007:04:24 00:30:00');
    }

    function testCopyright()
    {
        $entry = new PelEntryCopyright();
        $this->assertEquals($entry->getTag(), PelTag::COPYRIGHT);
        $value = $entry->getValue();
        $this->assertEquals($value[0], '');
        $this->assertEquals($value[1], '');
        $this->assertEquals($entry->getText(false), '');
        $this->assertEquals($entry->getText(true), '');

        $entry->setValue('A');
        $value = $entry->getValue();
        $this->assertEquals($value[0], 'A');
        $this->assertEquals($value[1], '');
        $this->assertEquals($entry->getText(false), 'A (Photographer)');
        $this->assertEquals($entry->getText(true), 'A');
        $this->assertEquals($entry->getBytes(PelConvert::LITTLE_ENDIAN), 'A' . chr(0));

        $entry->setValue('', 'B');
        $value = $entry->getValue();
        $this->assertEquals($value[0], '');
        $this->assertEquals($value[1], 'B');
        $this->assertEquals($entry->getText(false), 'B (Editor)');
        $this->assertEquals($entry->getText(true), 'B');
        $this->assertEquals($entry->getBytes(PelConvert::LITTLE_ENDIAN), ' ' . chr(0) . 'B' . chr(0));

        $entry->setValue('A', 'B');
        $value = $entry->getValue();
        $this->assertEquals($value[0], 'A');
        $this->assertEquals($value[1], 'B');
        $this->assertEquals($entry->getText(false), 'A (Photographer) - B (Editor)');
        $this->assertEquals($entry->getText(true), 'A - B');
        $this->assertEquals($entry->getBytes(PelConvert::LITTLE_ENDIAN), 'A' . chr(0) . 'B' . chr(0));
    }
}