<?php
  /**
  * Command line tool to search the library and create playlists
  */
  require_once( "cli_tools.php" );
  require_once( "roku_client.php" );
  require_once( "firefly_db.php" );

  $pc = new PlaylistCli();
  $pc->start();

  class PlaylistCli{
    function PlaylistCli(){
      $this->aLastSearchItems = array();
      $this->end = false;
      $this->prompt = "> ";
      $this->host = new RokuClient();
      $this->debug = false;
      $this->host->debug = $this->debug;
    }
    function start(){
      $this->host->ensureServerConnection("rsp");
      while( !$this->end ){
        if( $this->debug ) echo "in loop\n";
        $command = prompt( $this->prompt );
        if( $this->debug ) echo "Command: ".$command."\n";
        $this->parseCommand( $command );
      }
    }
    function parseCommand( $command ){
      if( trim( $command ) == "?" ){
        echo $this->getHelp();
        return true;
      }
      if( !preg_match( "/([sabticqilp]) (.+)$/", $command, $m ) ){
        $this->aLastSearchItems = $this->host->SearchAll( $command );
        $this->listLastSearch();
        return true;
      }
      if( $this->debug ){
        print_r( $m );
      }
      switch( $m[1] ){
        case "a":
          $this->aLastSearchItems = $this->host->SearchArtists( $m[2] );
          $this->listLastSearch();
          break;
        case "b":
          $this->aLastSearchItems = $this->host->SearchAlbums( $m[2] );
          $this->listLastSearch();
          break;
        case "t":
          $this->aLastSearchItems = $this->host->SearchSongs( $m[2] );
          $this->listLastSearch();
          break;
        case "c":
          $this->aLastSearchItems = $this->host->SearchComposers( $m[2] );
          $this->listLastSearch();
          break;
        case "i":
          $this->aLastSearchItems = $this->host->SearchAll( $m[2] );
          $this->listLastSearch();
          break;
        case "q":
          $this->queueTrack( $m[2] );
          break;
        case "s":
          $this->savePlaylist( $m[2] );
          break;
        case "l":
          $this->host->LoadPlaylist( $m[2] );
          break;
      }
    }
    function savePlaylist( $name ){
      $aIds = $this->host->GetNowPlayingSongIds();
      $ff = new FireflyDb();
      $ff->debug = $this->debug;
      $ff->savePlaylist( $name, $aIds );
    }
    function listLastSearch(){
      if( $this->debug ) echo "listLastSearch\n";
      foreach( $this->aLastSearchItems as $key => $value ){
        $aInfo = $this->host->GetSongInfo( $key );
        $inf = "";
        if( isset( $aInfo["artist"] ) ) $inf .= $aInfo["artist"]." - ";
        if( isset( $aInfo["title"] ) ) $inf .= $aInfo["title"]." ";
        if( isset( $aInfo["album"] ) ) $inf .= "(".$aInfo["album"].")";
        echo $key.": ".$inf."\n";
      }
    }
    function queueTrack( $track ){
      if( sizeof( $this->aLastSearchItems ) == 0 ) return false;
      if( $track != "all" ){
        if( intval( $track ) > sizeof( $this->aLastSearchItems ) ) return false;
        $aTracks = array();
        $a = split( ",", $track );
        foreach( $a as $s ){
          $aRange = split( "-", $s );
          if( isset( $aRange[1] ) ){
            $start = intval( $aRange[0] );
            $end = intval( $aRange[1] );
            if( $start >= $end ) continue;
            for( $i=$start; $i<=$end; $i++ ){
              $this->host->NowPlayingInsert( $i );
            }
          }else{
            $this->host->NowPlayingInsert( intval( $aRange[0] ) );
          }
        }
      }else{
        $this->host->NowPlayingInsert( $track );
      }
    }
    function getHelp(){
      $str = "Command syntax: a|b|t|g|i|q (search term|index)\n"
        ."  a: Artist name\n"
        ."  b: Album name\n"
        ."  t: Title/Track name\n"
        ."  c: Composer\n"
        ."  i: Any track info\n"
        ."  q: Queue track from search\n";
      return $str;
    }
  }
?>