include "./album_tracklist.php";

	     $query = urlencode($album);

	     $url = "http://www.gracenote.com/search/?query=".$query."&search_type=album";

             $raw = file_get_contents($url);

             $start_pos = strpos($raw, "<div id=\"main-container\">");

             $end_pos = strpos($raw, "<div class=\"column-right\">" );

             $container = substr($raw, $start_pos, $end_pos - $start_pos);

             $start_pos = 0;

             $album_details = "";

             $artist_details = "";

             while (strpos($container,"<div class=\"item\"", $start_pos ) != FALSE) {

                 $start_pos = strpos($container,"<div class=\"item\"", $start_pos);

                 $end_pos = strpos($container, "<div class=\"item\"", $start_pos + 1);

                 if ($end_pos == FALSE)

                    $end_pos = strlen($container);

                 // Huong: $str contains each search result

                 $str = substr($container, $start_pos, $end_pos - $start_pos);

                 $start_pos = $end_pos;

                 // Huong: process each result

                 // Album info

                 $pos = strpos($str, "<strong>Album:</strong>");

                 $pos = strpos($str, "<a href=\"",$pos);

                 $end = strpos($str, "\">", $pos);

                 $album_details = substr($str, $pos + 9, $end - $pos - 9);

                 $pos = strpos($str, "</a>", $end);

                 $album_name = substr($str, $end + 2, $pos - $end - 2);

                 // Artist info

                 $pos = strpos($str, "<strong>Artist:</strong>");

                 $pos = strpos($str, "<a href=\"",$pos);

                 $end = strpos($str, "\">", $pos);

                 $artist_details = substr($str, $pos + 9, $end - $pos - 9);

                 $pos = strpos($str, "</a>", $end);

                 $artist_name = substr($str, $end + 3, $pos - $end - 3);

                // check for MATCH

                 if ((strcasecmp($album,$album_name) == 0)&& (strcasecmp($artist, $artist_name) == 0) )

                    {

                        break;       // take the first matched

                    }

                 else $album_details = "";

             }

             // Huong: found 1

             if ($album_details != "") {

                 $url = "http://www.gracenote.com". $album_details;

                 // scrape album page

                 $raw = file_get_contents($url);

                 $start_pos = strpos($raw, "<div id=\"main-container\">");

                 $end_pos = strpos($raw, "<div class=\"column-right\">" );

                 $container = substr($raw, $start_pos, $end_pos - $start_pos);

                 // YEAR OF RELEASE

                 $pos = strpos($container,"<div class=\"year\">");

                 $pos = strpos($container,"</strong>",$pos);

                 $end = strpos($container, "</div>",$pos);

                 $year_of_release = substr($container, $pos + 12, $end - $pos - 12 );

                 // PRODUCER

                 $pos = strpos($container,"<div class=\"label\">");

                 $pos = strpos($container,"</strong>",$pos);

                 $end = strpos($container, "</div>",$pos);

                 $producer = substr($container, $pos + 12, $end - $pos - 12 );

                 // TRACKLIST

                 $tracklist = array();

                 $start_pos = strpos($container, "<div class=\"track-list\">");

                 $tracknum_str = "<div class=\"track_num\">";

                 $trackname_str = "<div class=\"track_name\">";

                 $pos = 0;

                 while ( strpos($container, $tracknum_str,$pos) != FALSE) {

                    $pos = strpos($container, $tracknum_str,$pos);

                    $end = strpos($container, "</div>",$pos);

                    $tracknum = substr($container, $pos + strlen($tracknum_str), $end - $pos - strlen($tracknum_str ) -1);

                    $pos = strpos($container, $trackname_str,$pos);

                    $end = strpos($container, "</div>",$pos);

                    $trackname = substr($container, $pos + strlen($trackname_str), $end - $pos- strlen($trackname_str));

                    $tracklist[(int)$tracknum] = $trackname;

                 }

                 // HUONG: DISPLAYING RESULT

                   echo "ARTIST: ". $artist.'<br>';

                   echo "ALBUM: ".$album. '<br>';

                   echo "Year of release: ".$year_of_release.'<br>';

                   echo "Producer: ". $producer.'<br>';

                   echo "TRACKLIST".'<br>';

                   for ($i = 1; $i <= sizeof($tracklist); $i++)

                      echo $i.": ".$tracklist[$i].'<br>';

           } else {

             // if cannot found on gracenote, try to search from lastfm

                   tracklist_lastfm_search ($album);

           }