<?php

include_once('../toolkit/inc/dse.inc.php');

define('WINAMP_INFO_KHZ',0);
define('WINAMP_INFO_KBPS',1);
define('WINAMP_INFO_CHANNELS',2); //???
define('WINAMP_INFO_XXX',4); //?????

class WinAmp{ /*
  WinAmp interface class. HttpQ plugin (http://httpq.sourceforge.net) must be installed and running.
  Copyright 2009 Rob Thomassen / Royal Shitware Inc. (RSI)
  */

  public $url = null;
  public $password = null;

  public $retries = 4;
  public $retry_sleep = 50; //ms

  function __construct($url,$password){
    $this->url = $url;
    $this->password = $password;
  }

  function execute($command,$params = null){
    $retries = $this->retries;
    $params = dse_array($params,'&','=');
    $params['p'] = $this->password;
    foreach($params as &$param) $param = rawurlencode($param);
    $url = "http://{$this->url}/$command?" . dse_implode_with_key('=','&',$params);
    while($retries--){
      try{
        $result = @file_get_contents($url);
        if($result !== false) return $result;
      }
      catch(Exception $e){
      }
      usleep($this->retry_sleep);
    }
    return false;
  }

  function info($info = 0){ //get info, see WINAMP_INFO_... constants
    return $this->execute('getinfo',array('info' => $info));
  }

  function restart(){ //restart WinAmp and HttpQ
    return $this->execute('restart');
  }
  
  function clean(){
    return $this->execute('setclean');
  }

  function chdir($dir){ //change the current working directory
    return $this->execute('chdir',array('dir' => $dir));
  }

  function delete($index = null){ //delete the item at $index, or the entire playlist if null
    return ($index === null ? $this->execute('delete') : $this->execute('deletepos',array('index' => $index)));
  }

  //exec_visual
  //flushplaylist -- what is this doing?

  function getEqBand($band){ //get level (0..63) of one specific equalizer band (0..9)
    return $this->execute('geteqdata',array('band' => $band));
  }

  function getEq(&$enabled = false){ //get levels of all equalizer bands in an array; use optional $enabled to see if the equalizer is active
    if($eq = dse_array($this->execute('geteqdatum',array('delim' => ',')),',')){
      $enabled = $eq[10];
      return array_slice($eq,0,10);
    }
    return false;
  }

  function setEqBand($band,$level){ //set level (0..63) of one specific equalizer band (0..9)
    return $this->execute('seteqdata',array('band' => $band,'level' => $level));
  }

  function setEq($eq,$enabled = true){ //set levels of all equalizer bands; use $enabled to enable/disable equalizer
    if(count($eq) != 10) return false;
    $eq[] = $eq[] = intval($enabled);
    return $this->execute('seteqdatum',array('levels' => implode(',',$eq)));
  }

  function listCount(){ //number of items in playlist
    return $this->execute('getlistlength');
  }

  function playlist($titles = false){ //return all filenames/titles in the playlist
    if($list = $this->execute($titles ? 'getplaylisttitlelist' : 'getplaylistfilelist',array('delim' => "\n"))) $list = dse_array($list,"\n");
    return $list;
  }
  
  function indexOf($filename){ //return index of $filename; false if not found
    return array_search($filename,$this->playlist());
  }
  
  function enqueue($filename,$title = null){ //add a $filename to the playlist; if $title is empty the name part of the $filename is taken
    if(!$title){
      $title = basename($filename);
      if($i = strrpos($title,'.')) $title = substr($title,0,$i);
    }
    return $this->execute('enqueuefile',array('file' => $filename,'title' => $title));
  }

  //enqueueurl
  
  function filename($index = null){ //return filename of file at $index, or current playing file if null
    return $this->execute('getplaylistfile',$index === null ? null : array('index' => $index));
  }
  
  function title($index = null){ //return tile of file at $index, or current playing file if null
    return $this->execute('getplaylisttitle',$index === null ? null : array('index' => $index));
  }
  
  function swap($from,$to = 0){ //swap files $from and $to in the playlist
    if($from == $to) return true;
    return $this->execute('swappos',array('from' => $from,'to' => $to));
  }
  
  function hash($index = null){ //get md5 hash of file at $index, or the entire playlist if null
    return $this->execute('gethash',$index === null ? null : array('index' => $index));
  }

  function id3tag($index = null,$v2 = false){ //get id3(v2) tags of file at $index, or current playing file if null
    $params = array('tags' => 't,a,y,g,l,c,r' . ($v2 ? ',m,s,p,o,i,u,e,b' : ''),'delim' => "\n");
    if($index !== null) $params['index'] = $index;
    $tags = $this->execute($v2 ? 'getid3v2tag' : 'getid3tag',$params);
    if(!$tags) return false;
    return array_combine(array_merge(array('Title','Artist','Year','Genre','Album','Comment','Track'),$v2 ? array('AlbumArtist','Composer','Publisher','OriginalArtist','Copyright','Url','Encoded','Bpm') : array()),dse_array($tags,"\n"));
  }

  //hasid3(v2)tag -- just query 'm and see if any error
  //internet
  
  function mpegInfo($index = null){ //get mpeg info of file at $index, or current playing file if null
    $params = array('info' => 's,t,v,l,f,b,m,c,y,o,e','delim' => "\n");
    if($index !== null) $params['index'] = $index;
    $info = $this->execute('getmpeginfo',$params);
    if(!$info) return false;
    return array_combine(array('Size','Time','Version','Layer','SampleFreq','Kbps','Mode','Crc','Copyrighted','Original','Emphasis'),dse_array($info,"\n"));
    //Time in seconds
  }

  function time($total = false){ //return current playing time or total time in seconds (float)
    $time = $this->execute('getoutputtime',array('frmt' => intval($total)));
    if(($time > 0) && !$total) $time /= 1000;
    return $time;
  }

  function jumpTo($time){ //jump to $time (seconds, float)
    return $this->execute('jumptotime',array('ms' => round($time * 1000)));
  }
  
  function prev(){
    return $this->execute('prev');
  }

  function play($filename = null){ //play the $filename (in current dir or absolute path), or play current file if empty (eg after pause)
    if($filename){
      if($list = $this->playlist()) $index = array_search($filename,$list);
      else $index = false;
      if($index === false){
        $this->execute('playfile',array('file' => $filename));
        $index = count($list);
      }
      $this->listIndex = $index;
      $this->stop();
      $this->play();
    }
    else return $this->execute('play');
  }
  
  //playurl
  
  function pause(){
    return $this->execute('pause');
  }

  function stop($fade = false){ //stop playing (with $fade)
    return $this->execute($fade ? 'fadeoutandstop' : 'stop');
  }
  
  function next(){
    return $this->execute('next');
  }

  //shoutcast_connect
  //shoutcast_status

  function update(){ //update information for current title
    $this->execute('updatecurrenttitle');
  }
  
  function validPassword(){ //returns true if the password is valid
    return $this->execute('validate_password');
  }
  
  function relVolume($up = true){ //turn the volume up or down
    return $this->execute($up ? 'volumeup' : 'volumedown');
  }
  
  function __get($property){
    switch($property){
      case 'listIndex':
        $property = 'listpos';
      case 'autoService':
      case 'currentTitle':
      case 'dirty':
      case 'version':
      case 'volume':
        return $this->execute('get' . strtolower($property));
      case 'playing':
        return $this->execute('is' . $property);
      case 'repeat':
      case 'shuffle':
        return $this->execute($property . '_status');
      case 'eq':
        return $this->getEq();
      default:
        return false;
    }
  }

  function __set($property,$value){
    switch($property){
      case 'autoService':
        $property = 'set' . $property;
      case 'repeat':
      case 'shuffle':
        $param = 'enable'; 
        $value = intval($value);
        break;
      case 'volume': 
        $property = 'set' . $property;
        $param = 'level'; 
        break;        
      case 'listIndex':
        $property = 'setplaylistpos';
        $param = 'index';
        break;
      case 'eq':
        return $this->setEq($value);
      default:
        return false;
    }
    return $this->execute(strtolower($property),array($param => $value));
  }
}

?>