<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Atto upgrade script.
 *
 * @package    editor_atto
 * @copyright  2014 Damyon Wiese
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * Run all Atto upgrade steps between the current DB version and the current version on disk.
 * @param int $oldversion The old version of atto in the DB.
 * @return bool
 */
function xmldb_editor_atto_upgrade($oldversion) {
    global $CFG;


<     // Automatically generated Moodle v3.6.0 release upgrade line.
<     // Put any upgrade step following this.
< 
<     // Automatically generated Moodle v3.7.0 release upgrade line.
<     // Put any upgrade step following this.
< 
<     if ($oldversion < 2019090900) {
<         $toolbar = get_config('editor_atto', 'toolbar');
< 
<         if (strpos($toolbar, 'h5p') === false) {
<             $glue = "\r\n";
<             if (strpos($toolbar, $glue) === false) {
<                 $glue = "\n";
<             }
<             $groups = explode($glue, $toolbar);
<             // Try to put h5p in the files group.
<             foreach ($groups as $i => $group) {
<                 $parts = explode('=', $group);
<                 if (trim($parts[0]) == 'files') {
<                     $groups[$i] = 'files = ' . trim($parts[1]) . ', h5p';
<                     // Update config variable.
<                     $toolbar = implode($glue, $groups);
<                     set_config('toolbar', $toolbar, 'editor_atto');
<                 }
<             }
<         }
<         // Atto editor savepoint reached.
<         upgrade_plugin_savepoint(true, 2019090900, 'editor', 'atto');
<     }
<     // Automatically generated Moodle v3.8.0 release upgrade line.



>     // Automatically generated Moodle v3.9.0 release upgrade line.


    // Put any upgrade step following this.


<     if ($oldversion < 2020052100) {
<         // The old default toolbar config for 38 and below.



>     if ($oldversion < 2021062400) {
>         // The old default toolbar config for 311 and below.


        $oldtoolbar = 'collapse = collapse
style1 = title, bold, italic

< list = unorderedlist, orderedlist



> list = unorderedlist, orderedlist, indent


links = link

< files = image, media, recordrtc, managefiles, h5p



> files = emojipicker, image, media, recordrtc, managefiles, h5p


style2 = underline, strike, subscript, superscript
align = align

< indent = indent


insert = equation, charmap, table, clear
undo = undo
accessibility = accessibilitychecker, accessibilityhelper
other = html';

        // Check if the current toolbar config matches the old toolbar config.

<         if (get_config('editor_atto', 'toolbar') === $oldtoolbar) {



>         $sametoolbar = str_replace(["\r\n", "\r"], "\n", get_config('editor_atto', 'toolbar')) == $oldtoolbar;
>         // Check if the current showgroups config matches the old showgroups config.
>         $sameshowgroups = get_config('atto_collapse', 'showgroups') == 5;
> 
>         if ($sametoolbar && $sameshowgroups) {


            // If the site is still using the old defaults, upgrade to the new default.
            $newtoolbar = 'collapse = collapse
style1 = title, bold, italic
list = unorderedlist, orderedlist, indent
links = link
files = emojipicker, image, media, recordrtc, managefiles, h5p

> accessibility = accessibilitychecker, accessibilityhelper


style2 = underline, strike, subscript, superscript
align = align
insert = equation, charmap, table, clear
undo = undo

< accessibility = accessibilitychecker, accessibilityhelper


other = html';
            set_config('toolbar', $newtoolbar, 'editor_atto');

>             set_config('showgroups', 6, 'atto_collapse');


        }


<         upgrade_plugin_savepoint(true, 2020052100, 'editor', 'atto');



>         upgrade_plugin_savepoint(true, 2021062400, 'editor', 'atto');


    }


<     // Automatically generated Moodle v3.9.0 release upgrade line.



>     // Automatically generated Moodle v4.0.0 release upgrade line.


    // Put any upgrade step following this.


<     // Automatically generated Moodle v3.10.0 release upgrade line.



>     // Automatically generated Moodle v4.1.0 release upgrade line.


    // Put any upgrade step following this.


<     // Automatically generated Moodle v3.11.0 release upgrade line.



>     // Automatically generated Moodle v4.2.0 release upgrade line.


    // Put any upgrade step following this.

    return true;
}