include("Snoopy.class.inc");
include("XMLParser.class.inc");

class Musicbrainz_WebService
{
	var $requestURI = "http://musicbrainz.org/ws/1";
	var $results;
	
	function Musicbrainz_WebService()
	{
		return;
	}
	
	function BuildRequestURI($searchType, $gid="", $inc="", $limit="")
	{
		switch ($searchType)
		{
			case "artist":
				$this->requestURI .= "/artist/";
				break;
			case "release":
				$this->requestURI .= "/release/";
				break;
			case "track":
				$this->requestURI .= "/track/";
				break;
		}
		if (!empty($gid)) {$this->requestURI .= "$gid";}
		
		$this->requestURI .= "?type=xml";
		if (!empty($inc)) {$this->requestURI .= "&" . $inc;}
		if (!empty($limit)) {$this->requestURI .= "&" . $limit;}
	}
	
	function SendRequest($requestURI)
	{
		$mbFetch = new Snoopy;
		$mbFetch->fetch($requestURI);
		$this->xml = $mbFetch->results;
		$mbParse = new XMLParser($this->xml);
		$mbParse->Parse();
		$this->results = $mbParse->document;
	}
	
	function SendQuery($string, $searchType)
	{
		$args = func_get_args();
		$inc = "name=" . $string;
		$limit = $args[1] ? "limit=$args[2]" : "";
		
		$this->BuildRequestURI($searchType, NULL, $inc, $limit);
		$this->SendRequest($this->requestURI);
	}
	
	function SendQueryById($searchType, $gid)
	{
		$args = func_get_args();
		$inc = $args[2] ? "inc=$args[2]" : "";
		$limit = $args[3] ? "limit=$args[3]" : "";
		
		$this->BuildRequestURI($searchType, $gid, $inc, $limit);
		$this->SendRequest($this->requestURI);
	}
	
	function QueryArtist($string)
	{
		$args = func_get_args();
		$limit = $args[1];
		
		$this->SendQuery(urlencode($string), "artist");
	}
	
	function QueryRelease($string)
	{
		$args = func_get_args();
		$limit = $args[1];
		
		$this->SendQuery(urlencode($string), "release");
	}
	
	function QueryTrack($string)
	{
		$args = func_get_args();
		$limit = $args[1];
		
		$this->SendQuery(urlencode($string), "track");
	}
	
	function GetArtistById($gid)
	{
		$args = func_get_args();
		$inc = $args[1];
		$limit = $args[2];
		
		$this->SendQueryById("artist", $gid, urlencode($inc), $limit);
	}
	
	function GetReleaseById($gid)
	{
		$args = func_get_args();
		$inc = $args[1];
		$limit = $args[2];
		
		$this->SendQueryById("release", $gid, urlencode($inc), $limit);
	}
	
	function GetTrackById($gid)
	{
		$args = func_get_args();
		$inc = $args[1];
		$limit = $args[2];
		
		$this->SendQueryById("track", $gid, urlencode($inc), $limit);
	}
}