<?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.
// $Id$
use Tiki\Package\VendorHelper;

$section = 'docs';

require_once('tiki-setup.php');
$filegallib = TikiLib::lib('filegal');
include_once('lib/mime/mimetypes.php');
global $mimetypes;

$auto_query_args = [
    'fileId',
    'edit'
];

$access->check_feature('feature_docs');
$access->check_feature('feature_file_galleries');

ask_ticket('docs');

$fileId = (int)$_REQUEST['fileId'];
$smarty->assign('fileId', $fileId);

if ($fileId > 0) {
    $fileInfo = $filegallib->get_file_info($fileId);
} else {
    $fileInfo = [];
}

//This allows the document to be edited, but only the most recent of that group if it is an archive
if (! empty($fileInfo['archiveId']) && $fileInfo['archiveId'] > 0) {
    $fileId = $fileInfo['archiveId'];
    $fileInfo = $filegallib->get_file_info($fileId);
}

$cat_type = 'file';
$cat_objid = (int) $fileId;
$cat_object_exists = ! empty($fileInfo);
include_once('categorize_list.php');
include_once('tiki-section_options.php');

$gal_info = $filegallib->get_file_gallery($_REQUEST['galleryId']);

$fileType = reset(explode(';', $fileInfo['filetype']));
$extension = end(explode('.', $fileInfo['filename']));
$supportedExtensions = ['odt', 'ods', 'odp'];
$supportedTypes = array_map(
    function ($type) use ($mimetypes) {
        return $mimetypes[$type];
    },
    $supportedExtensions
);

if (! in_array($extension, $supportedExtensions) && ! in_array($fileType, $supportedTypes)) {
    $smarty->assign('msg', tr('Wrong file type, expected one of %0', implode(', ', $supportedTypes)));
    $smarty->display('error.tpl');
    die;
}

$globalperms = Perms::get([ 'type' => 'file', 'object' => $fileInfo['fileId'] ]);

//check permissions
if (! ($globalperms->admin_file_galleries == 'y' || $globalperms->view_file_gallery == 'y')) {
    $smarty->assign('errortype', 401);
    $smarty->assign('msg', tra('You do not have permission to view/edit this file'));
    $smarty->display('error.tpl');
    die;
}

if (! empty($_REQUEST['name']) || ! empty($fileInfo['name'])) {
    $_REQUEST['name'] = (! empty($_REQUEST['name']) ? $_REQUEST['name'] : $fileInfo['name']);
} else {
    $_REQUEST['name'] = 'New Doc';
}

$_REQUEST['name'] = htmlspecialchars(str_replace('.odt', '', $_REQUEST['name']));

//Upload to file gallery
if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_REQUEST['data'])) {
    $_REQUEST['galleryId'] = (int)$_REQUEST['galleryId'];
    $_REQUEST['description'] = htmlspecialchars(isset($_REQUEST['description']) ? $_REQUEST['description'] : $_REQUEST['name']);

    //webodf has to send an encoded string so that all browsers can handle the post-back
    $_REQUEST['data'] = base64_decode($_REQUEST['data']);

    $type = $mimetypes['odt'];

    $file = Tiki\FileGallery\File::id($fileId);
    if (! $file->exists()) {
        $file->init([
            'galleryId' => $_REQUEST['galleryId'],
            'description' => $_REQUEST['description'],
            'user' => $user
        ]);
    }
    $file->replace($_REQUEST['data'], $type, $_REQUEST['name'], $_REQUEST['name'] . '.odt');
    echo $fileId;
    die;
}


$smarty->assign('page', $page);
$smarty->assign('isFromPage', isset($page));
$smarty->assign('fileId', $fileId);

$vendorPath = VendorHelper::getAvailableVendorPath('webodf', 'bower-asset/wodo.texteditor/wodotexteditor/wodotexteditor.js', false);

if (! $vendorPath) {
    $smarty->assign('missingPackage', true);
} else {
    $smarty->assign('missingPackage', false);

    if (isset($_REQUEST['edit'])) {
        $savingText = json_encode(tr('Saving...'));
        $smarty->assign('edit', 'true');

        $headerlib->add_jsfile($vendorPath . '/bower-asset/wodo.texteditor/wodotexteditor/wodotexteditor.js');
        $headerlib->add_jq_onready("
Wodo.createTextEditor('tiki_doc', {
    allFeaturesEnabled: true
}, function (err, editor) {
    if (err) {
        // something failed unexpectedly, deal with it (here just a simple alert)
        alert(err);
        return;
    }

    var documentURL = 'tiki-download_file.php?fileId=' + $('#fileId').val();
    editor.openDocumentFromUrl(documentURL, function(err) {
        if (err) {
            // something failed unexpectedly, deal with it (here just a simple alert)
            alert(\"There was an error on opening the document: \" + err);
        }
    });

    $('.saveButton').on('click', function (e) {
        function saveByteArrayTiki(err, data) {
            if (err) {
                alert(err);
                return;
            }

            var base64 = new core.Base64();
            data = base64.convertUTF8ArrayToBase64(data);

            $.tikiModal($savingText);

            $.post('tiki-edit_docs.php', {
                fileId: $('#fileId').val(),
                data: data
            }, function(id) {
                $.tikiModal();
                $('#fileId').val(id);
                editor.setDocumentModified(false);
            });
        }

        editor.getDocumentAsByteArray(saveByteArrayTiki);
    });
});
");
    } else {
        $smarty->assign('edit', 'false');

        $headerlib->add_jsfile($vendorPath . '/bower-asset/wodo.texteditor/wodotexteditor/webodf.js');
        $headerlib->add_jq_onready("
window.odfcanvas = new odf.OdfCanvas($('#tiki_doc')[0]);
odfcanvas.load('tiki-download_file.php?fileId=' + $('#fileId').val());
");
    }
}


// Display the template
$smarty->assign('mid', 'tiki-edit_docs.tpl');
// use tiki_full to include include CSS and JavaScript
$smarty->display('tiki.tpl');