<?php
/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
/**
 *
 * LICENSE: GNU General Public License, version 2 (GPLv2)
 * Copyright 2001 - 2013 Ampache.org
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License v2
 * as published by the Free Software Foundation.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

/**
 * Sub-Ajax page, requires AJAX_INCLUDE
 */
if (!defined('AJAX_INCLUDE')) { exit; }

switch ($_REQUEST['action']) {
    case 'random_albums':
        $albums = Album::get_random(6, true);
        if (count($albums) AND is_array($albums)) {
            ob_start();
            require_once AmpConfig::get('prefix') . '/templates/show_random_albums.inc.php';
            $results['random_selection'] = ob_get_clean();
        } else {
            $results['random_selection'] = '<!-- None found -->';
        }
    break;
    case 'artist_info':
        if (AmpConfig::get('lastfm_api_key') && isset($_REQUEST['artist'])) {
            $artist = new Artist($_REQUEST['artist']);
            $artist->format();
            $biography = Recommendation::get_artist_info($artist->id);
            ob_start();
            require_once AmpConfig::get('prefix') . '/templates/show_artist_info.inc.php';
            $results['artist_biography'] = ob_get_clean();
        }
    break;
    case 'similar_artist':
        if (AmpConfig::get('show_similar') && isset($_REQUEST['artist'])) {
            $artist = new Artist($_REQUEST['artist']);
            $artist->format();
            if ($object_ids = Recommendation::get_artists_like($artist->id)) {
                $object_ids = array_map(create_function('$i', 'return $i[\'id\'];'), $object_ids);
            }
            ob_start();
            require_once AmpConfig::get('prefix') . '/templates/show_recommended_artists.inc.php';
            $results['similar_artist'] = ob_get_clean();
        }
    break;
    case 'similar_now_playing':
        if (AmpConfig::get('show_similar') && isset($_REQUEST['media_id']) && isset($_REQUEST['media_artist'])) {
            $artists = Recommendation::get_artists_like($_REQUEST['media_artist'], 3, false);
            $songs = Recommendation::get_songs_like($_REQUEST['media_id'], 3);
            ob_start();
            require_once AmpConfig::get('prefix') . '/templates/show_now_playing_similar.inc.php';
            $results['similar_items'] = ob_get_clean();
        }
    break;
    case 'wanted_missing_albums':
        if (AmpConfig::get('wanted') && isset($_REQUEST['artist'])) {
            $artist = new Artist($_REQUEST['artist']);
            $artist->format();
            ob_start();
            if ($artist->mbid) {
                $walbums = Wanted::get_missing_albums($artist);
                if (count($walbums) > 0) {
                    require_once AmpConfig::get('prefix') . '/templates/show_missing_albums.inc.php';
                }
            } else {
                debug_event('wanted', 'Cannot get missing albums: MusicBrainz ID required.', '5');
            }
            $results['missing_albums'] = ob_get_clean();
        }
    break;
    case 'add_wanted':
        if (AmpConfig::get('wanted') && isset($_REQUEST['mbid'])) {
            $mbid = $_REQUEST['mbid'];
            $artist = $_REQUEST['artist'];
            $name = $_REQUEST['name'];
            $year = $_REQUEST['year'];

            if (!Wanted::has_wanted($mbid)) {
                Wanted::add_wanted($mbid, $artist, $name, $year);
                ob_start();
                $walbum = new Wanted(Wanted::get_wanted($mbid));
                $walbum->show_action_buttons();
                $results['wanted_action_' . $mbid] = ob_get_clean();
            } else {
                debug_event('wanted', 'Already wanted, skipped.', '5');
            }
        }
    break;
    case 'remove_wanted':
        if (AmpConfig::get('wanted') && isset($_REQUEST['mbid'])) {
            $mbid = $_REQUEST['mbid'];

            $walbum = new Wanted(Wanted::get_wanted($mbid));
            Wanted::delete_wanted($mbid);
            ob_start();
            $walbum->accepted = false;
            $walbum->id = 0;
            $walbum->show_action_buttons();
            $results['wanted_action_' . $mbid] = ob_get_clean();
        }
    break;
    case 'accept_wanted':
        if (AmpConfig::get('wanted') && isset($_REQUEST['mbid'])) {
            $mbid = $_REQUEST['mbid'];

            $walbum = new Wanted(Wanted::get_wanted($mbid));
            $walbum->accept();
            ob_start();
            $walbum->show_action_buttons();
            $results['wanted_action_' . $mbid] = ob_get_clean();
        }
    break;
    case 'reloadnp':
        ob_start();
        show_now_playing();
        $results['now_playing'] = ob_get_clean();
        ob_start();
        $data = Song::get_recently_played();
        Song::build_cache(array_keys($data));
        require_once AmpConfig::get('prefix') . '/templates/show_recently_played.inc.php';
        $results['recently_played'] = ob_get_clean();
    break;
    case 'sidebar':
        switch ($_REQUEST['button']) {
            case 'home':
            case 'modules':
            case 'localplay':
            case 'player':
            case 'preferences':
                $button = $_REQUEST['button'];
            break;
            case 'admin':
                if (Access::check('interface','100')) { $button = $_REQUEST['button']; } else { exit; }
            break;
            default:
                exit;
            break;
        } // end switch on button

        ob_start();
        $_SESSION['state']['sidebar_tab'] = $button;
        require_once AmpConfig::get('prefix') . '/templates/sidebar.inc.php';
        $results['sidebar'] = ob_get_contents();
        ob_end_clean();
    default:
        $results['rfc3514'] = '0x1';
    break;
} // switch on action;

// We always do this
echo xml_from_array($results);