<?php
/*

 Copyright (c) 2001 - 2006 Ampache.org
 All Rights Reserved

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License v2
 as published by the Free Software Foundation.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

/**
 * verify_localplay_prefrences
 * This takes a type of localplay and then
 * Verifys that the preferences have all been 
 * inserted into the database if they haven't been
 * Then it returns false 
 */
function verify_localplay_preferences($type) { 

	/* Load the locaplay module of said type */
	$localplay = new Localplay($type); 

	$preferences = $localplay->get_preferences();

	foreach ($preferences as $preference) { 
		$name = 'localplay_' . $type . '_' . $preference['name'];
		/* check for an existing record */
		$sql = "SELECT id FROM preferences WHERE name = '" . Dba::escape($name) . "'";
		$db_results = Dba::query($sql);

		if (!Dba::num_rows($db_results)) { return false; } 

	} // end foreach preferences

	return true;

} // verify_localplay_preferences


/**
 * insert_locaplay_preferences
 * This takes a controller type and inserts the preferences
 * Into the database, it is able to handle existing preferences
 * It checks before inserting...
 */
function insert_localplay_preferences($type) { 

	/* We can't assume the connect so let's just
	 * create it then get the preferences 
	 */
	$localplay = new Localplay($type);

	$preferences = $localplay->get_preferences(); 
	
	foreach ($preferences as $preference) { 
		$name = 'localplay_' . $type . '_' . $preference['name'];
		/* Check for an existing record */
		$sql = "SELECT id FROM preferences WHERE name = '" . sql_escape($name) . "'";
		$db_results = mysql_query($sql, dbh());

		if (mysql_num_rows($db_results)) { continue; } 

		insert_preference($name,$preference['description'],$preference['default'],'25',$preference['type'],'streaming');

	} // end foreach preferences

	/* Fix everyones preferences */
	$sql = "SELECT * FROM `user`";
	$db_results = Dba::query($sql);

	$temp_user = new User();
	$temp_user->fix_preferences('-1');

	while ($r = mysql_fetch_assoc($db_results)) { 
		$temp_user->fix_preferences($r['username']);
	} // end while

	return true;

} // insert_localplay_preferences

/**
 * remove_localplay_preferences
 * This function has two uses, if it is called with a specific type then it 
 * just removes the preferences for that type, however it if its called with
 * nothing then it removes any set of preferences where the module no longer
 * exists
 */
function remove_localplay_preferences($type=0) { 

	/* If we've gotten a type wipe and go! */
	if ($type) { 
		$sql = "DELETE FROM preferences WHERE name LIKE 'localplay_" . sql_escape($type) . "_%'";
		$db_results = mysql_query($sql, dbh());
		return true;
	}


	/* Select everything but our two built-in ones
	$sql = "SELECT * FROM preferences WHERE name != 'localplay_level' AND name != 'localplay_controller' AND name LIKE 'localplay_%'";
	$db_results = mysql_query($sql, dbh());

	$results = array();

	/* We need to organize by module to make it easy 
	 * to figure out which modules no longer exist 
	 * and wack the preferences... unless we've
	 * specified a name then just wack those 
	 * preferences
	 */
	while ($r = mysql_fetch_assoc($db_results)) { 

		$name = $r['name']; 
		preg_match("/localplay_([\w\d\-\]+)_.+/",$name,$matches);
		$key = $matches['1'];

		$results[$key] = $r;

	} // end while

	/* If we've got a type */
	//FIXME!!!	


} // remove_localplay_preferences

/**
 * get_localplay_controllers
 * This returns an array of the localplay controllers filenames
 * as well as a 'semi-cleaned' name
 */
function get_localplay_controllers($disabled='') { 

	/* First get a list of the files */
	$handle = opendir(Config::get('prefix') . '/modules/localplay');
	
	if (!is_resource($handle)) { 
		debug_event('localplay','Error: Unable to read localplay controller directory','1');
	}

	$results = array(); 

	while ($file = readdir($handle)) { 
		
		if (substr($file,-14,14) != 'controller.php') { continue; } 

		/* Make sure it isn't a subdir */
		if (!is_dir($file)) { 
			/* Get the base name, then get everything before .controller.php */
			$filename = basename($file,'.controller.php');
			/* Make sure that it's currently enabled */
			if (verify_localplay_preferences($filename) || $disabled) { 
				$results[] = $filename;
			} 
		}
	} // end while

	return $results;

} // get_localplay_controllers


/** 
 * This function stores the Localplay object
 * It checks to see what access level you have
 * and creates the localplay object based on that
 * @package Local Play
 */
function init_localplay($reload=0) {

	static $localplay;
	if ($GLOBALS['user']->prefs['localplay_level'] == '0') { return false; }

	if (!strlen($GLOBALS['user']->prefs['localplay_controller'])) { return false; } 

	if ($GLOBALS['user']->prefs['localplay_level'] == '1' AND !is_object($localplay)) { 
		$localplay = new Localplay(conf('localplay_controller'));
		$localplay->connect();
	}

	if ($GLOBALS['user']->prefs['localplay_level'] == '2' AND !is_object($localplay)) { 
		$localplay = new Localplay($GLOBALS['user']->prefs['localplay_controller']);
		$localplay->connect();
	}

        return $localplay;

} // function init_localplay

?>