<?php
/*

 Copyright (c) 2001 - 2006 ampache.org
 All rights reserved.

 This program 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 2
 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 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.

*/

/*!
	@header Song Document
	@discussion Actually play files from albums, artists or just given
	a bunch of id's.
	Special thanx goes to Mike Payson and Jon Disnard for the means
	to do this.
	FIXME: don't get me started... :(
*/

require('lib/init.php');

/* If we are running a demo, quick while you still can! */
if (conf('demo_mode') || !$user->has_access('25')) {
	access_denied();
}


$song_ids = array();
$web_path = conf('web_path');

/* We need an action and a method */
$action = scrub_in($_REQUEST['action']);
$method = scrub_in($_REQUEST['method']);


switch ($action) { 
	case 'play_selected':
		$type = scrub_in($_REQUEST['type']);
		if ($type == 'album') { 
			$song_ids = get_songs_from_type($type, $_POST['song'], $_REQUEST['artist_id']);
		} 
		elseif ($_REQUEST['playlist_id']) { 
			$playlist = new Playlist($_REQUEST['playlist_id']);
			$song_ids = $playlist->get_songs($_REQUEST['song']);
		}
		else { 
			$song_ids = $_POST['song'];
		}
	break;
	case 'single_song':
		$song_ids[] = scrub_in($_REQUEST['song_id']);
	break;
	case 'your_popular_songs':
		$song_ids = get_popular_songs($_REQUEST['limit'], 'your', $GLOBALS['user']->id);
	break;
	case 'popular_songs':
		$song_ids = get_popular_songs($_REQUEST['limit'], 'global');
	break;
	case 'genre':
		$genre = new Genre($_REQUEST['genre']);
		$song_ids = $genre->get_songs();
	break;
	case 'artist':
		$artist = new Artist($_REQUEST['artist_id']);
		$song_ids = $artist->get_song_ids();
	break;
	case 'artist_random':
		$artist = new Artist($_REQUEST['artist_id']);
		$artist->get_count();
		$song_ids = $artist->get_random_songs();
	break;
	case 'album_random':
		$album = new Album($_REQUEST['album_id']);
		$song_ids = $album->get_random_songs();
	break;
	case 'album':
		$album = new Album($_REQUEST['album_id']);
		$song_ids = $album->get_song_ids();
	break;
	case 'random_genre':
		$genre 		= new Genre($_REQUEST['genre']);
		$song_ids 	= $genre->get_random_songs();
	break;
	case 'playlist':
		$playlist	= new Playlist($_REQUEST['playlist_id']);
		$song_ids	= $playlist->get_songs($_REQUEST['song']);
	break;
	case 'playlist_random':
		$playlist	= new Playlist($_REQUEST['playlist_id']);
		$song_ids	= $playlist->get_random_songs();
	break;
	case 'random':
		if($_REQUEST['genre'][0] != '-1') {
			$matchlist['genre'] = $_REQUEST['genre'];
		}
		if($_REQUEST['catalog'] != '-1') {
			$matchlist['catalog'] = $_REQUEST['catalog'];
		}
		/* Setup the options array */
		$options = array('limit' => $_REQUEST['random'], 'random_type' => $_REQUEST['random_type'],'size_limit'=>$_REQUEST['size_limit']);
		$song_ids = get_random_songs($options, $matchlist);
	break;
	default:
	break;
} // end action switch


/* Now that we've gathered the song information we decide what 
 * we should do with it, this is a sensitive time for the song id's
 * they don't know where they want to go.. let's help them out
 */
switch ($method) { 
	case 'download':
		/* Make sure they are allowed to download */
		if (!batch_ok()) { break; } 
		$name = "AmpacheZip-" . date("m-d-Y",time());
		$song_files = get_song_files($song_ids);
		set_memory_limit($song_files[1]+32);
		send_zip($name,$song_files[0]);
	break;
	case 'stream':
	default:
		$stream_type = conf('playlist_type');

		if ($GLOBALS['user']->prefs['play_type'] != "stream" AND $GLOBALS['user']->prefs['play_type'] != "downsample") { 
			$stream_type = $GLOBALS['user']->prefs['play_type'];
		}

		/* Start the Stream */
		$stream = new Stream($stream_type,$song_ids);
		$stream->start();
	break;
} // end method switch 
?>