<?php /** @file */

require_once('include/chat.php');

function chat_init(&$a) {

	$which = null;
	if(argc() > 1)
		$which = argv(1);
	if(! $which) {
		if(local_user()) {
			$channel = $a->get_channel();
			if($channel && $channel['channel_address'])
			$which = $channel['channel_address'];
		}
	}
	if(! $which) {
		notice( t('You must be logged in to see this page.') . EOL );
		return;
	}

	$profile = 0;
	$channel = $a->get_channel();

	if((local_user()) && (argc() > 2) && (argv(2) === 'view')) {
		$which = $channel['channel_address'];
		$profile = argv(1);		
	}

	$a->page['htmlhead'] .= '<link rel="alternate" type="application/atom+xml" href="' . $a->get_baseurl() . '/feed/' . $which .'" />' . "\r\n" ;

	// Run profile_load() here to make sure the theme is set before
	// we start loading content

	profile_load($a,$which,$profile);

}

function chat_post(&$a) {

	if($_POST['room_name'])
		$room = strip_tags(trim($_POST['room_name']));	

	if((! $room) || (! local_user()))
		return;

	$channel = $a->get_channel();


	if($_POST['action'] === 'drop') {
		chatroom_destroy($channel,array('cr_name' => $room));
		goaway(z_root() . '/chat/' . $channel['channel_address']);
	}


	$arr = array('name' => $room);
	$arr['allow_gid']   = perms2str($_REQUEST['group_allow']);
    $arr['allow_cid']   = perms2str($_REQUEST['contact_allow']);
    $arr['deny_gid']    = perms2str($_REQUEST['group_deny']);
    $arr['deny_cid']    = perms2str($_REQUEST['contact_deny']);

	chatroom_create($channel,$arr);

	$x = q("select cr_id from chatroom where cr_name = '%s' and cr_uid = %d limit 1",
		dbesc($room),
		intval(local_user())
	);

	if($x)
		goaway(z_root() . '/chat/' . $channel['channel_address'] . '/' . $x[0]['cr_id']);

	// that failed. Try again perhaps?

	goaway(z_root() . '/chat/' . $channel['channel_address'] . '/new');


}


function chat_content(&$a) {

	$observer = get_observer_hash();
	if(! $observer) {
		notice( t('Permission denied.') . EOL);
		return;
	}

	if(! perm_is_allowed($a->profile['profile_uid'],$observer,'chat')) {
		notice( t('Permission denied.') . EOL);
		return;
	}
	
	if((argc() > 3) && intval(argv(2)) && (argv(3) === 'leave')) {
		chatroom_leave($observer,$room_id,$_SERVER['REMOTE_ADDR']);
		goaway(z_root() . '/channel/' . argv(1));
	}


	if(argc() > 2 && intval(argv(2))) {
		$room_id = intval(argv(2));
		$x = chatroom_enter($observer,$room_id,'online',$_SERVER['REMOTE_ADDR']);
		if(! $x)
			return;
		$o = replace_macros(get_markup_template('chat.tpl'),array(
			'$room_name' => '', // should we get this from the API?
			'$room_id' => $room_id,
			'$submit' => t('Submit')
		));
		return $o;
	}


	if(local_user() && argc() > 2 && argv(2) === 'new') {


		$channel = $a->get_channel();  
		$channel_acl = array(
			'allow_cid' => $channel['channel_allow_cid'], 
			'allow_gid' => $channel['channel_allow_gid'], 
			'deny_cid'  => $channel['channel_deny_cid'], 
			'deny_gid'  => $channel['channel_deny_gid']
		); 

		require_once('include/acl_selectors.php');

		$o = replace_macros(get_markup_template('chatroom_new.tpl'),array(
			'$header' => t('New Chatroom'),
			'$name' => array('room_name',t('Chatroom Name'),'', ''),
			'$acl' => populate_acl($channel_acl),
			'$submit' => t('Submit')
		));
		return $o;
	}


	require_once('include/widgets.php');

	return widget_chatroom_list(array());

}