<?php

require_once('include/identity.php');
require_once('include/permissions.php');


function new_channel_init(&$a) {

	$cmd = ((argc() > 1) ? argv(1) : '');


	if($cmd === 'autofill.json') {
		require_once('library/urlify/URLify.php');
		$result = array('error' => false, 'message' => '');
		$n = trim($_REQUEST['name']);

		$x = strtolower(URLify::transliterate($n));

		$test = array();

		// first name
		if(strpos($x,' '))
			$test[] = legal_webbie(substr($x,0,strpos($x,' ')));
		if($test[0]) {
			// first name plus first initial of last
			$test[] = ((strpos($x,' ')) ? $test[0] . legal_webbie(trim(substr($x,strpos($x,' '),2))) : '');
			// first name plus random number
			$test[] = $test[0] . mt_rand(1000,9999);
		}
		// fullname
		$test[] = legal_webbie($x);
		// fullname plus random number
		$test[] = legal_webbie($x) . mt_rand(1000,9999);

		json_return_and_die(check_webbie($test));
	}

	if($cmd === 'checkaddr.json') {
		require_once('library/urlify/URLify.php');
		$result = array('error' => false, 'message' => '');
		$n = trim($_REQUEST['nick']);

		$x = strtolower(URLify::transliterate($n));

		$test = array();

		$n = legal_webbie($x);
		if(strlen($n)) {
			$test[] = $n;
			$test[] = $n . mt_rand(1000,9999);
		}

		for($y = 0; $y < 100; $y ++)
			$test[] = 'id' . mt_rand(1000,9999);

		json_return_and_die(check_webbie($test));
	}


}


function new_channel_post(&$a) {

	$arr = $_POST;

	$acc = $a->get_account();
	$arr['account_id'] = get_account_id();

	// prevent execution by delegated channels as well as those not logged in. 
	// get_account_id() returns the account_id from the session. But $a->account
	// may point to the original authenticated account. 

	if((! $acc) || ($acc['account_id'] != $arr['account_id'])) {
		notice( t('Permission denied.') . EOL );
		return;
	}

	$result = create_identity($arr);

	if(! $result['success']) {
		notice($result['message']);
		return;
	}

	$newuid = $result['channel']['channel_id'];

	change_channel($result['channel']['channel_id']);

	if(! strlen($next_page = get_config('system','workflow_channel_next')))
		$next_page = 'settings';
	
	goaway(z_root() . '/' . $next_page);

}


function new_channel_content(&$a) {

	$acc = $a->get_account();

	if((! $acc) || $acc['account_id'] != get_account_id()) {
		notice( t('Permission denied.') . EOL);
		return;
	}

	$default_role = '';
	$aid = get_account_id();
	if($aid) {
		$r = q("select count(channel_id) as total from channel where channel_account_id = %d",
			intval($aid)
		);
		if($r && (! intval($r[0]['total']))) {
			$default_role = get_config('system','default_permissions_role');
		}

		$limit = account_service_class_fetch(get_account_id(),'total_identities');

		if($r && ($limit !== false)) {
			$channel_usage_message = sprintf( t("You have created %1$.0f of %2$.0f allowed channels."), $r[0]['total'], $limit);
		}
		else {
			$channel_usage_message = '';
		}
	}

	$name = array('name', t('Name or caption'), ((x($_REQUEST,'name')) ? $_REQUEST['name'] : ''), t('Examples: "Bob Jameson", "Lisa and her Horses", "Soccer", "Aviation Group"'));
	$nickhub = '@' . str_replace(array('http://','https://','/'), '', get_config('system','baseurl'));
	$nickname = array('nickname', t('Choose a short nickname'), ((x($_REQUEST,'nickname')) ? $_REQUEST['nickname'] : ''), sprintf( t('Your nickname will be used to create an easy to remember channel address e.g. nickname%s'), $nickhub));
	$privacy_role = ((x($_REQUEST,'permissions_role')) ? $_REQUEST['permissions_role'] :  "" );
	$role = array('permissions_role' , t('Channel role and privacy'), ($privacy_role) ? $privacy_role : 'social', t('Select a channel role with your privacy requirements.') . ' <a href="help/roles" target="_blank">' . t('Read more about roles') . '</a>',get_roles());

	$o = replace_macros(get_markup_template('new_channel.tpl'), array(
		'$title'        => t('Create a Channel'),
		'$desc'         => t('A channel is your identity on the grid. It can represent a person, a blog, or a forum to name a few. Channels can make connections with other channels to share information with highly detailed permissions.'),
		'$label_import' => t('Or <a href="import">import an existing channel</a> from another location'),
		'$name'         => $name,
		'$role'		=> $role,
		'$default_role' => $default_role,
		'$nickname'     => $nickname,
		'$submit'       => t('Create'),
		'$channel_usage_message' => $channel_usage_message
	));

	return $o;

}