<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

namespace Tiki\Tests\diff;

use TikiLib;
use TikiTestCase;

require_once __DIR__ . '/../../diff/difflib.php';

class DiffTest extends TikiTestCase
{
    /**
     * @dataProvider providerDiffByType
     *
     * @param $type
     * @param $page1
     * @param $page2
     * @param $expected
     */
    public function testDiffByType($type, $page1, $page2, $expected): void
    {
        $result = diff2($page1, $page2, $type);

        $this->assertEquals($expected, $result);
    }

    public function providerDiffByType(): array
    {
        return [
            [
                'htmldiff',
                $this->loadAndParseFile(__DIR__ . '/fixtures/page1.wiki'),
                $this->loadAndParseFile(__DIR__ . '/fixtures/page2.wiki'),
                file_get_contents(__DIR__ . '/fixtures/htmldiff.html'),
            ],
            [
                'sidediff',
                file_get_contents(__DIR__ . '/fixtures/page1.wiki'),
                file_get_contents(__DIR__ . '/fixtures/page2.wiki'),
                file_get_contents(__DIR__ . '/fixtures/sidediff.html'),
            ],
            [
                'sidediff-char',
                file_get_contents(__DIR__ . '/fixtures/page1.wiki'),
                file_get_contents(__DIR__ . '/fixtures/page2.wiki'),
                file_get_contents(__DIR__ . '/fixtures/sidediff-char.html'),
            ],
            [
                'inlinediff',
                file_get_contents(__DIR__ . '/fixtures/page1.wiki'),
                file_get_contents(__DIR__ . '/fixtures/page2.wiki'),
                file_get_contents(__DIR__ . '/fixtures/inlinediff.html'),
            ],
            [
                'inlinediff-char',
                file_get_contents(__DIR__ . '/fixtures/page1.wiki'),
                file_get_contents(__DIR__ . '/fixtures/page2.wiki'),
                file_get_contents(__DIR__ . '/fixtures/inlinediff-char.html'),
            ],
            [
                'sidediff-full',
                file_get_contents(__DIR__ . '/fixtures/page1.wiki'),
                file_get_contents(__DIR__ . '/fixtures/page2.wiki'),
                file_get_contents(__DIR__ . '/fixtures/sidediff-full.html'),
            ],
            [
                'sidediff-full-char',
                file_get_contents(__DIR__ . '/fixtures/page1.wiki'),
                file_get_contents(__DIR__ . '/fixtures/page2.wiki'),
                file_get_contents(__DIR__ . '/fixtures/sidediff-full-char.html'),
            ],
            [
                'inlinediff-full',
                file_get_contents(__DIR__ . '/fixtures/page1.wiki'),
                file_get_contents(__DIR__ . '/fixtures/page2.wiki'),
                file_get_contents(__DIR__ . '/fixtures/inlinediff-full.html'),
            ],
            [
                'inlinediff-full-char',
                file_get_contents(__DIR__ . '/fixtures/page1.wiki'),
                file_get_contents(__DIR__ . '/fixtures/page2.wiki'),
                file_get_contents(__DIR__ . '/fixtures/inlinediff-full-char.html'),
            ],
            [
                'unidiff',
                file_get_contents(__DIR__ . '/fixtures/page1.wiki'),
                file_get_contents(__DIR__ . '/fixtures/page2.wiki'),
                include __DIR__ . '/fixtures/unidiff.php',
            ],
        ];
    }

    protected function loadAndParseFile($file)
    {
        $parserLib = TikiLib::lib('parser');

        $data = file_get_contents($file);

        $parse_options = ['is_html' => false, 'noheadinc' => true, 'suppress_icons' => true, 'noparseplugins' => true];
        return $parserLib->parse_data($data, $parse_options);
    }
}