<?php  
/*
 *  nj-jukebox.php - Netjuke MPD-based jukebox.
 *  Copyright (C) 2003  Benjamin Carlisle (bcarlisle@24oz.com)
 *  http://mpd.24oz.com/
 *
 *  This has been modified to work with Ampache (http://www.ampache.org) It was 
 *  initially written for NetJuke (http://netjuke.sourceforge.net/)
 *
 *  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
 */ 

require_once("modules/init.php");

function mpd_redirect() {
	if (conf('localplay_menu')) {
		header ("Location: " . conf('web_path') . "/mpd.php");
	}
	else {
		header ("Location: " . conf('web_path'));
	}
}

if (!init_mpd()) {
	switch ($_REQUEST['action']) {
		case "add":
			if (!$user->has_access(25)) { break; }
			$song_ids = array();
			$song_ids[0] = $_REQUEST[song_id];
			addToPlaylist( $myMpd, $song_ids );
			break;
		case "rem":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->PLRemove($_REQUEST[id])) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case ' > ':
		case "play":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->Play()) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case "stop":
		case ' X ':
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->Stop()) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case ' = ':
		case "pause":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->Pause()) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case '|< ':
		case "Prev":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->Previous()) ) echo "ERROR: " . $myMpd->errStr."\n";
			mpd_redirect();
			break;
		case ' >|';
		case "Next":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->Next()) ) echo "ERROR: " . $myMpd->errStr."\n";
			mpd_redirect();
			break;
		case "shuffle":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->PLShuffle()) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case "clear":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->PLClear()) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case "loop":
			if (!$user->has_access(25)) { break; }
			if ($_REQUEST['val'] == "On") { $_REQUEST['val'] = '1'; }
			else { $_REQUEST['val'] = '0'; }
			if ( is_null($myMpd->SetRepeat($_REQUEST['val'])) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case "random":
			if (!$user->has_access(25)) { break; }
                        if ($_REQUEST['val'] == "On") { $_REQUEST['val'] = '1'; }
                        else { $_REQUEST['val'] = '0'; }
			if ( is_null($myMpd->SetRandom($_REQUEST['val']))) echo "ERROR: " .$myMpd->errStr."\n";
                        mpd_redirect();
                        break;
		case "adjvol":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->AdjustVolume($_REQUEST[val])) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case "setvol":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->SetVolume($_REQUEST[val])) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case "skipto":
			if (!$user->has_access(25)) { break; }
			if ( is_null($myMpd->SkipTo($_REQUEST[val])) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
			break;
		case "pladd":
			if (!$user->has_access(25)) { break; }
			$plist = new Playlist( $_REQUEST[pl_id] );
			$song_ids = $plist->get_songs();
			addToPlaylist( $myMpd, $song_ids );
			break;
		case "albadd":
			if (!$user->has_access(25)) { break; }
			$album = new Album( $_REQUEST[alb_id] );
			$song_ids = $album->get_song_ids( );
			addToPlaylist( $myMpd, $song_ids );
			break;
		case "show_control":
			require (conf('prefix') . "/templates/show_mpdplay.inc");
			break;
                case "mute":
                        if (!$user->has_access(25)) { break; }
                        if ( is_null($myMpd->SetVolume(0)) ) echo "ERROR: " .$myMpd->errStr."\n";
			mpd_redirect();
                        break;
                case "condPL":
                        if (!$user->has_access(25)) { break; }
                        $condPL = (conf('condPL')==1 ? 0 : 1);
                        conf(array('condPL' => $condPL),1);
			$pref_id = get_preference_id('condPL');
			$user->update_preference($pref_id,$condPL);
			mpd_redirect();
                        break;
                case "crop":
                        if (!$user->has_access(25)) { break; }
                        $pl = $myMpd->playlist;
                        $cur = $myMpd->current_track_id;
                        foreach ($pl as $id => $entry)
                           {
                           if ($id != $cur)
                              { if ( is_null($myMpd->PLRemove($id < $cur ? 0 : 1))) {echo "ERROR: " .$myMpd->errStr."\n"; } }
                           }
			mpd_redirect();
                        break;
                case "plact":
                        if (!$user->has_access(25)) { break; }
                        switch ($_REQUEST['todo'])
                           {
                           case "Delete":
                                $shrunkby =0;
                                foreach ($_REQUEST[song] as $id => $entry) {
                                   if ( is_null($myMpd->PLRemove($id-$shrunkby)) ) echo "ERROR: " .$myMpd->errStr."\n";
                                   $shrunkby++;
                                   }
                                break;
                           case "Crop":
                                $skipped=0;
                                $upto = $myMpd->playlist_count-1;
                                for ($count=0; $count <= $upto; $count++) {
                                      if (!isset($_REQUEST[song][$count])) {
                                         if ( is_null($myMpd->PLRemove($skipped)) ) echo "ERROR: " .$myMpd->errStr."\n";
                                         }
                                      else {$skipped++;}
                                   }
                                break;
                           case "move Next":
                /* This does not work yet */
                                $fromabovenp = 0;
                                $frombelownp = 0;
                                $reversed = array_reverse ($_REQUEST[song]);
                                foreach ($reversed as $id => $entry) {
                                   echo "id=".$id;
                                   if ($id > $myMpd->current_track_id) {
                        echo " fromabovenp=".$fromabovenp." source=".$id+$fromabovenp." dest=".($myMpd->current_track_id+1)."<br>";
                                      if (is_null($myMpd->PLMoveTrack($id+$fromabovenp,$myMpd->current_track_id+1))) echo "ERROR: ".$myMpd->errStr."\n";
                                      $fromabovenp++;
                                      }
                                   elseif ($id < $myMpd->current_track_id) {
                        echo " frombelownp=".$frombelownp." source=".$id." dest=".$myMpd->current_track_id+1-frombelownp."<br>";
                                      if (is_null($myMpd->PLMoveTrack($id,$myMpd->current_track_id+1-frombelownp))) echo "ERROR: ".$myMpd->errStr."\n";
                                      $frombelownp++;
                                      }
                                   }
                                break;
                           default:
                                echo "todo='".$_REQUEST['todo']."'<br>";
                                foreach ($_REQUEST[song] as $id => $entry)
                                   {
                                   echo "id=".$id." entry=".$entry."_REQUEST[song][id]=".$_REQUEST[song][$id]."<br>";
                                   }
                           }
			mpd_redirect();
                        break;
                case "movenext":
                        if (!$user->has_access(25)) { break; }
                        if (is_null($myMpd->PLMoveTrack($_REQUEST[val],$myMpd->current_track_id+1))) echo "ERROR: ".$myMpd->errStr."\n";
			mpd_redirect();
                        break;
		default:
			mpd_redirect();
			break;
	} // end switch

	// We're done let's disconnect
	$myMpd->Disconnect();
} // end else
?>