<?php
/**
* Name: IRC Chat Plugin
* Description: add an Internet Relay Chat chatroom
* Version: 1.0
* Author: tony baldwin <https://free-haven.org/profile/tony>
* Maintainer: none
*/

/* enable in admin->plugins
 * you will then have "irc chatroom" listed at yoursite/apps
 * and the app will run at yoursite/irc
 * documentation at http://tonybaldwin.me/hax/doku.php?id=friendica:irc
 * admin can set popular chans, auto connect chans in settings->plugin settings
 */

function irc_load() {
	register_hook('app_menu', 'addon/irc/irc.php', 'irc_app_menu');
	register_hook('feature_settings', 'addon/irc/irc.php', 'irc_addon_settings');
	register_hook('feature_settings_post', 'addon/irc/irc.php', 'irc_addon_settings_post');
}

function irc_unload() {
	unregister_hook('app_menu', 'addon/irc/irc.php', 'irc_app_menu');
	unregister_hook('feature_settings', 'addon/irc/irc.php', 'irc_addon_settings');
	unregister_hook('feature_settings_post', 'addon/irc/irc.php', 'irc_addon_settings_post');

}


function irc_addon_settings(&$a,&$s) {

	if(! is_site_admin())
		return;

	/* Add our stylesheet to the page so we can make our settings look nice */

	//$a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->get_baseurl() . '/addon/irc/irc.css' . '" media="all" />' . "\r\n";

	/* setting popular channels, auto connect channels */
	$sitechats = get_config('irc','sitechats'); /* popular channels */
	$autochans = get_config('irc','autochans');  /* auto connect chans */

	$sc .= replace_macros(get_markup_template('field_input.tpl'), array(
		'$field'	=> array('autochans', t('Channels to auto connect'), $sitechats, t('Comma separated list'))
	));

	$sc .= replace_macros(get_markup_template('field_input.tpl'), array(
		'$field'	=> array('sitechats', t('Popular Channels'), $autochans, t('Comma separated list'))
	));

	$s .= replace_macros(get_markup_template('generic_addon_settings.tpl'), array(
		'$addon' 	=> array('irc', t('IRC Settings'), '', t('Submit')),
		'$content'	=> $sc
	));

	return;

}

function irc_addon_settings_post(&$a,&$b) {
	if(! is_site_admin())
		return;

	if($_POST['irc-submit']) {
		set_config('irc','autochans',trim($_POST['autochans']));
		set_config('irc','sitechats',trim($_POST['sitechats']));
		/* stupid pop-up thing */
		info( t('IRC settings saved.') . EOL);
	}
}

function irc_app_menu($a,&$b) {
$b['app_menu'][] = '<div class="app-title"><a href="irc">' . t('IRC Chatroom') . '</a></div>';
}


function irc_module() {
return;
}


function irc_content(&$a) {

	$baseurl = $a->get_baseurl() . '/addon/irc';
	$o = '';

	/* set the list of popular channels */
	$sitechats = get_config('irc','sitechats');
	if($sitechats)
		$chats = explode(',',$sitechats);
	else
		$chats = array('hubzilla','friendica','chat','chatback','hottub','ircbar','dateroom','debian');


	$a->page['aside'] .= '<div class="widget"><h3>' . t('Popular Channels') . '</h3><ul>';
	foreach($chats as $chat) {
		$a->page['aside'] .= '<li><a href="' . $a->get_baseurl() . '/irc?channels=' . $chat . '" >' . '#' . $chat . '</a></li>';
	}
	$a->page['aside'] .= '</ul></div>';

        /* setting the channel(s) to auto connect */
	$autochans = get_config('irc','autochans');
	if($autochans)
		$channels = $autochans;
	else
		$channels = ((x($_GET,'channels')) ? $_GET['channels'] : 'hubzilla');

/* add the chatroom frame and some html */
  $o .= <<< EOT
<h2>IRC chat</h2>
<p><a href="http://tldp.org/HOWTO/IRC/beginners.html" target="_blank">A beginner's guide to using IRC. [en]</a></p>
<iframe src="//webchat.freenode.net?channels=$channels" width="100%" height="600"></iframe>
EOT;

return $o;
    
}


