<?php
/**
 * @package tikiwiki
 */
// (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.
// $Id$

require_once('tiki-setup.php');
require_once('lib/importer/tikiimporter.php');
require_once('lib/importer/tikiimporter_wiki.php');
require_once('lib/wiki/editlib.php');

$access->check_permission('tiki_p_admin_importer');

if (! empty($_POST['importerClassName'])) {
	$importerClassName = filter_input(INPUT_POST, 'importerClassName', FILTER_SANITIZE_STRING);

	switch ($importerClassName) {
		case 'TikiImporter_Wiki_Mediawiki':
			require_once('lib/importer/tikiimporter_wiki_mediawiki.php');
			break;
		case 'TikiImporter_Blog_Wordpress':
			require_once('lib/importer/tikiimporter_blog_wordpress.php');
			break;
		case 'default':
			break;
	}

	$importer = new $importerClassName();
	$smarty->assign('softwareName', $importer->softwareName);

	TikiImporter::changePhpSettings();
}

if (isset($_SESSION['tiki_importer_feedback'])) {
	$smarty->assign('importFeedback', $_SESSION['tiki_importer_feedback']);
	$smarty->assign('importLog', $_SESSION['tiki_importer_log']);
	$smarty->assign('importErrors', $_SESSION['tiki_importer_errors']);
	unset($_SESSION['tiki_importer_feedback']);
	unset($_SESSION['tiki_importer_log']);
	unset($_SESSION['tiki_importer_errors']);

	// wordpress specific
	if (isset($_SESSION['tiki_importer_wordpress_urls'])) {
		$smarty->assign('wordpressUrls', $_SESSION['tiki_importer_wordpress_urls']);
		unset($_SESSION['tiki_importer_wordpress_urls']);
	}
} elseif (! empty($_FILES['importFile'])) {
	// third step: start the importing process

	if ($_FILES['importFile']['error'] === UPLOAD_ERR_OK) {
		try {
			$importer->import($_FILES['importFile']['tmp_name']);
		} catch (Exception $e) {
			$smarty->assign('msg', $e->getMessage());
			$smarty->display('error.tpl');
			die;
		}
	} else {
		$msg = TikiImporter::displayPhpUploadError($_FILES['importFile']['error']);
		$smarty->assign('msg', $msg);
		$smarty->display('error.tpl');
		die;
	}

	die;
} elseif (! empty($_POST['importerClassName'])) {
	// second step: display import options for the software previously chosen
	if (! class_exists($importerClassName)) {
		$smarty->assign('msg', tra("Invalid software name"));
		$smarty->display("error.tpl");
		die;
	}

	try {
		$importer->checkRequirements();
	} catch (Exception $e) {
		$smarty->assign('msg', $e->getMessage());
		$smarty->display('error.tpl');
		die;
	}

	$importerOptions = $importer->getOptions();

	$smarty->assign('importerOptions', $importerOptions);
	$smarty->assign('softwareSpecificOptions', true);
	$smarty->assign('importerClassName', $importerClassName);
} else {
	// first step: display the list of available software importers

	// $availableSoftwares is an array that control the list of available software importers.
	// The array key is the name of the importer class and the value is the name of the software
	$availableSoftwares = [
		'TikiImporter_Wiki_Mediawiki' => 'Mediawiki',
		'TikiImporter_Blog_Wordpress' => 'Wordpress',
	];

	$smarty->assign('availableSoftwares', $availableSoftwares);
	$smarty->assign('chooseSoftware', true);
}

$smarty->assign('mid', 'tiki-importer.tpl');
$smarty->display('tiki.tpl');