<?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/>.

namespace editor_tiny\plugininfo;

use moodle_url;

/**
 * Subplugin info class.
 *
 * @package     editor_tiny
 * @copyright   2022 Andrew Lyons <andrew@nicols.co.uk>
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class tiny extends \core\plugininfo\base {


>     public static function plugintype_supports_disabling(): bool {
    /**
>         return true;
     * These subplugins can be uninstalled.
>     }
     *
> 


     * @return bool
     */
    public function is_uninstall_allowed(): bool {
        return true;
    }

    /**
     * Return URL used for management of plugins of this type.
     *
     * @return moodle_url
     */
    public static function get_manage_url(): moodle_url {
        return new moodle_url('/admin/settings.php', [
            'section' => 'editorsettingstiny',
        ]);
    }

    /**
     * Include the settings.php file from subplugins if provided.
     *
     * This is a copy of very similar implementations from various other subplugin areas.
     *
     * @param \part_of_admin_tree $adminroot
     * @param string $parentnodename
     * @param bool $hassiteconfig whether the current user has moodle/site:config capability
     */
    public function load_settings(\part_of_admin_tree $adminroot, $parentnodename, $hassiteconfig): void {
        // In case settings.php wants to refer to them.
        global $CFG, $USER, $DB, $OUTPUT, $PAGE;


>         /** @var \admin_root $ADMIN */


        $ADMIN = $adminroot; // May be used in settings.php.
        $plugininfo = $this; // Also can be used inside settings.php.

        if (!$this->is_installed_and_upgraded()) {
            return;
        }

        if (!$hassiteconfig || !file_exists($this->full_path('settings.php'))) {
            return;
        }

        $section = $this->get_settings_section_name();
        $settings = new \admin_settingpage(
            $section,
            $this->displayname,
            'moodle/site:config',
            $this->is_enabled() === false
        );

        // This may also set $settings to null.
        include($this->full_path('settings.php'));

        if ($settings) {
            $ADMIN->add($parentnodename, $settings);
        }
    }

    /**
     * Get the settings section name.
     * This is used to get the setting links in the Tiny sub-plugins table.
     *
     * @return null|string the settings section name.
     */
    public function get_settings_section_name(): ?string {

>         if (!file_exists($this->full_path('settings.php'))) {
        return "tiny_{$this->name}_settings";
>             return null;
    }
>         }
}
> 



>     }
> 
>     public static function get_enabled_plugins(): array {
>         $pluginmanager = \core_plugin_manager::instance();
>         $plugins = $pluginmanager->get_installed_plugins('tiny');
> 
>         if (!$plugins) {
>             return [];
>         }
> 
>         // Filter to return only enabled plugins.
>         $enabled = [];
>         foreach (array_keys($plugins) as $pluginname) {
>             $disabled = get_config("tiny_{$pluginname}", 'disabled');
>             if (empty($disabled)) {
>                 $enabled[$pluginname] = $pluginname;
>             }
>         }
>         return $enabled;
>     }
> 
>     public static function enable_plugin(string $plugin, int $enabled): bool {
>         $pluginname = "tiny_{$plugin}";
> 
>         $oldvalue = !empty(get_config($pluginname, 'disabled'));
>         $disabled = empty($enabled);
>         $haschanged = false;
> 
>         // Only set value if there is no config setting or if the value is different from the previous one.
>         if (!$oldvalue && $disabled) {
>             set_config('disabled', $disabled, $pluginname);
>             $haschanged = true;
>         } else if ($oldvalue && !$disabled) {
>             unset_config('disabled', $pluginname);
>             $haschanged = true;
>         }
> 
>         if ($haschanged) {
>             add_to_config_log('disabled', $oldvalue, $disabled, $pluginname);
>             \core_plugin_manager::reset_caches();
>         }
> 
>         return $haschanged;