<?php
//**************************************
//Toon's PHP iTunes Trailers Downloader
//**************************************

  //get argv and current dirname.
  $a = $argv;  $thepath = dirname($a[0])."/";

//get the trailer page from the arguments
if (isset($a[1])) {

	//check if it's a Apple Trailer link
	$try_match_trailer = preg_match('/http\:\/\/trailers\.apple\.com\/trailers\/.*?\/.*?\//i', $a[1], $matches_trailer);
	//count matches
	$match_count_trailer = count($matches_trailer);

	//if it's a trailer page
	if($match_count_trailer == 1) {

		//start looking for links
		$trailerpage_playlist = @file_get_contents($matches_trailer[0]."includes/playlists/web.inc");
		//extract all links to movies on that page
		$match_all_movies = preg_match_all('/http\:\/\/trailers\.apple\.com\/movies\/.*?\/.*?\/.*?\.mov/i', $trailerpage_playlist, $matches_movies);
		//count movies
		$match_count_movies = count($matches_movies[0]);
		
		//now check what to do.
		if (isset($a[2]) && $a[2]<$match_count_movies) {
			//prepare link
			$downloadlink = preg_replace('/(http\:\/\/trailers\.apple\.com\/movies\/.*?\/.*?\/.*?\_)(.*?\.mov)/i', '$1h$2', $matches_movies[0][$a[2]]);
			$localfile = preg_replace('/http\:\/\/trailers\.apple\.com\/movies\/.*?\/.*?\/(.*?\.mov)/i', 'Downloads/$1', $downloadlink);
			//start the download process.
			echo "Downloading. Please wait until the script finishes.\n";

			$ch = curl_init($downloadlink);
			$fp = fopen($localfile, "w");
			curl_setopt($ch, CURLOPT_FILE, $fp);
			curl_setopt($ch, CURLOPT_USERAGENT, "QuickTime/7.6.6");
			curl_setopt($ch, CURLOPT_HEADER, 0);
			curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
			$test=curl_exec($ch);
			curl_close($ch);
			fclose($fp);
			if($test===true) { echo "Done\n"; } else { echo "Download failed\n"; }
		}
		else{
			//offer download options.
			$i = 0;
			$matches_filename = array();
			//available movies
			echo "\nAvailable Movies\n";
			//start
			while($i < $match_count_movies) {
				//get filename
				$match_filename = preg_match('/http\:\/\/trailers\.apple\.com\/movies\/.*?\/.*?\/(.*?\.mov)/i',$matches_movies[0][$i], $matches_filename[$i]);
				//set spaces
				if($i > 9) { $spaces = " "; } else { $spaces = "  "; }
				//echo number + filename
				echo $i.$spaces.$matches_filename[$i][1]."\n";
			$i++;
			}
			echo "\nAdd the number of the movie file you want to download to the end of the command you used to get here.\n\n";
		}
	}
}
else {
	echo "Usage: TrailerDownloader.php URLOfTheTrailerPage\n\n";
	
	//start reading rss.
	$apple_trailers_rss = @file_get_contents("http://trailers.apple.com/trailers/home/rss/newtrailers.rss");
	$feed_parsed = new SimpleXMLElement($apple_trailers_rss);
	$feed_trailer_count = count($feed_parsed->channel->item);
	
	echo "Available Trailers\n";
	$i=0;
	while($i<$feed_trailer_count) {
		//echo
		echo "* ".$feed_parsed->channel->item[$i]->link."\n";
	$i++;
	}
	echo "\n";
}

?>