<?php

declare(strict_types=0);

/**
 * vim:set softtabstop=4 shiftwidth=4 expandtab:
 *
 * LICENSE: GNU Affero General Public License, version 3 (AGPL-3.0-or-later)
 * Copyright Ampache.org, 2001-2026
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */

namespace Ampache\Application\Api\Ajax\Handler;

use Ampache\Module\Util\InterfaceImplementationChecker;
use Ampache\Config\AmpConfig;
use Ampache\Module\System\Core;
use Ampache\Module\Util\RequestParserInterface;
use Ampache\Repository\Model\Preference;
use Ampache\Module\Util\Ui;
use Ampache\Repository\Model\User;

final readonly class StreamAjaxHandler implements AjaxHandlerInterface
{
    public function __construct(
        private RequestParserInterface $requestParser
    ) {
    }

    public function handle(User $user): void
    {
        $results = [];
        $action  = $this->requestParser->getFromRequest('action');

        // Switch on the actions
        switch ($action) {
            case 'set_play_type':
                // Make sure they have the rights to do this
                if (!Preference::has_access('play_type')) {
                    break;
                }

                switch ($_POST['type']) {
                    case 'stream':
                    case 'localplay':
                    case 'democratic':
                        $key = 'allow_' . Core::get_post('type') . '_playback';
                        if (!AmpConfig::get($key)) {
                            break 2;
                        }

                        $new = Core::get_post('type');
                        break;
                    case 'web_player':
                        $new = 'web_player';
                        break;
                    default:
                        break 2;
                } // end switch

                $current = AmpConfig::get('play_type');

                // Go ahead and update their preference
                if (Preference::update('play_type', (int)(Core::get_global('user')?->getId()), $new)) {
                    AmpConfig::set('play_type', $new, true);
                }

                if (($new === 'localplay' && $current != 'localplay') || ($current == 'localplay' && $new !== 'localplay')) {
                    $results['rightbar'] = Ui::ajax_include('rightbar.inc.php');
                }

                break;
            case 'directplay':
                $object_type = Core::get_request('object_type');
                $object_id   = $_GET['object_id'] ?? null;
                if (is_array($object_id)) {
                    $object_id = implode(',', $object_id);
                }

                debug_event('stream.ajax', 'Called for ' . $object_type . ': {' . $object_id . '}', 5);

                if (
                    $object_type === 'browse' ||
                    InterfaceImplementationChecker::is_playable_item($object_type)
                ) {
                    $web_path = AmpConfig::get_web_path();

                    $_SESSION['iframe']['target'] = $web_path . '/stream.php?action=play_item&object_type=' . $object_type . '&object_id=' . $object_id;
                    if (array_key_exists('custom_play_action', $_REQUEST)) {
                        $_SESSION['iframe']['target'] .= '&custom_play_action=' . $_REQUEST['custom_play_action'];
                    }

                    if (array_key_exists('append', $_REQUEST) && !empty($_REQUEST['append'])) {
                        $_SESSION['iframe']['target'] .= '&append=true';
                    }

                    if (array_key_exists('playnext', $_REQUEST) && !empty($_REQUEST['playnext'])) {
                        $_SESSION['iframe']['target'] .= '&playnext=true';
                    }

                    if (array_key_exists('subtitle', $_REQUEST) && !empty($_REQUEST['subtitle'])) {
                        $_SESSION['iframe']['subtitle'] = $_REQUEST['subtitle'];
                    } elseif (array_key_exists('iframe', $_SESSION) && array_key_exists('subtitle', $_SESSION['iframe'])) {
                        unset($_SESSION['iframe']['subtitle']);
                    }

                    if (AmpConfig::get('play_type') == 'localplay') {
                        $_SESSION['iframe']['target'] .= '&client=' . AmpConfig::get('localplay_controller');
                    }

                    $results['reloader'] = '<script>' . Core::get_reloadutil() . '(\'' . $web_path . '/util.php\');</script>';
                }

                break;
            case 'basket':
                // Go ahead and see if we should clear the playlist here or not,
                // we might not actually clear it in the session.
                if ((array_key_exists('playlist_method', $_REQUEST) && $_REQUEST['playlist_method'] == 'clear') || (AmpConfig::get('playlist_method') == 'clear')) {
                    define('NO_SONGS', '1');
                    ob_start();
                    require_once Ui::find_template('rightbar.inc.php');
                    $results['rightbar'] = ob_get_clean();
                }

                $web_path = AmpConfig::get_web_path();

                // We need to set the basket up!
                $_SESSION['iframe']['target'] = (array_key_exists('playlist_method', $_REQUEST))
                    ? $web_path . '/stream.php?action=basket&playlist_method=' . scrub_out($_REQUEST['playlist_method'])
                    : $web_path . '/stream.php?action=basket';
                $results['reloader'] = '<script>' . Core::get_reloadutil() . '(\'' . $web_path . '/util.php\');</script>';
        } // switch on action;

        // We always do this
        echo (string) xoutput_from_array($results);
    }
}
