<?php

  /*
  * Create symlinks of tracks in new / old albums playlist
  */
  require_once( "forked_firefly_db.php" );
  require_once( "lastfm.class.php" );
  $db = new ForkedFireflyDb();
  $lfm = new LastFmApi();
  $aAlbums = $db->getUnplayedAlbums();
  $destination = "/share/meta_music/recent_albums";
  $aPaths = array();
  $badchars = "/[^-a-zA-Z0-9 ]/";
  foreach( $aAlbums as $album ){
    // Get album dir
    $dir = $album["path"];
    if( preg_match( "/_odds_and_sods/", $dir ) ) continue;

    // Use last two dirs in path as dir name
    $aDirName = array();
    $aDir = preg_split( "/\//", $dir );
    $aDirName[] = array_pop( $aDir );
    $aDirName[] = array_pop( $aDir );
    $aDirName = array_reverse( $aDirName );
    $link = join( " - ", $aDirName );
    // $link = preg_replace( $badchars, "", $album["album"] );
    if( !file_exists( $destination."/".$link ) ){
      echo "Linking ".$dir." to ".$destination."/".$link."\n";
      symlink( $dir, $destination."/".$link );
      $jpg = $dir."/folder.jpg";
      if( !file_exists( $jpg ) ){
        $lfm->getAlbumArt( $jpg, $album["album"], $album["artist"] );
      }
    }
    $aPaths[] = $link;
  }
  $dh = opendir( $destination );
  while( $file = readdir( $dh ) ){
    $file = trim( $file );
    if( preg_match( "/^\.|\.m3u$/", $file ) ) continue;
    if( array_search( $file, $aPaths ) === false ){
      // echo "Don't need $file anymore, unlinking\n";
      unlink( $destination."/".$file );
    }
  }

  // Make an m3u playlist
  $aPls = array();
  $dh = opendir( $destination );
  while( $dir = readdir( $dh ) ){
    if( is_dir( $destination."/".$dir ) ){
      $dh2 = opendir( $destination."/".$dir );
      $aFolder = array();
      while( $file = readdir( $dh2 ) ){
        if( preg_match( "/\.mp3$/i", $file ) ){
          $path = realpath( $destination."/".$dir."/".$file );
          $inf = $db->getTrackByPath( $path );
          if( $inf["play_count"] == 0 ) $aFolder[] = $dir."/".$file;
        }
      }
      sort( $aFolder );
      $aPls = array_merge( $aPls, $aFolder );
    }
  }
  file_put_contents( $destination."/00 Recent Unplayed Albums.m3u", join( "\n", $aPls ) );
?>