<?php

class AJAX {
    protected static function callCommand($cmd, array $data=array())
    {
	if (($pipe = popen($cmd, 'w')) === false)
	    return false;

	foreach ($data as $value)
	    fwrite($pipe, $value . "\n");

	pclose($pipe);
	return true;
    }

    public static function getdatetimeAction()
    {
	return array('year' => date('Y'),
		     'month' => date('m'),
		     'day' => date('d'),
		     'hour' => date('H'),
		     'minute' => date('i'),
		     'second' => date('s'));
    }

    public static function datetimeAction()
    {
	$date = sprintf("%04d-%02d-%02d", $_POST['year'], $_POST['month'], $_POST['day']);
	$time = sprintf("%02d:%02d:%02d", $_POST['hour'], $_POST['minute'], $_POST['second']);

	$ok = self::callCommand("super musiikki-datetime", array($date, $time));

	return $ok;
    }

    public static function getwifiAction()
    {
	if (!file_exists('/etc/hostapd/hostapd.conf'))
	    return array();

	if (($f = fopen('/etc/hostapd/hostapd.conf', 'r')) === false)
	    return array();

	$essid = '';
	$password = '';

	while (($line = fgets($f)) !== false) {
	    $line = trim($line);
	    if (substr($line,0,1) == '#') continue;
	    if (!strlen($line)) continue;

	    $parts = explode('=', $line, 2);
	    if ($parts[0] == 'ssid')
		$essid = $parts[1];
	    elseif ($parts[0] == 'wpa_passphrase')
		$password = $parts[1];
	}

	fclose($f);

	return array('essid' => $essid,
		     'password' => $password);
    }

    public static function wifiAction()
    {
	$ok = self::callCommand("super musiikki-wifi", array($_POST['essid'], $_POST['password']));

	return $ok;
    }

    public static function getsharesAction()
    {
	return array('ro_name' => '\\\\' . $_SERVER['SERVER_ADDR'] .'\\'. Config::SHARE_READ,
		     'ro_user' => Config::SHARE_READ,
		     'ro_password' => '',
		     'rw_name' => '\\\\' . $_SERVER['SERVER_ADDR'] .'\\'. Config::SHARE_WRITE,
		     'rw_user' => Config::SHARE_WRITE,
		     'rw_password' => '');
    }

    public static function sharesAction()
    {
	$ok = self::callCommand("super musiikki-shares", array($_POST['ro_password'], $_POST['rw_password']));

	return $ok;
    }

    public static function getadminAction()
    {
	return array();
    }

    public static function adminAction()
    {
	if (!strlen($_POST['password'])) return false;

	if (($f = fopen(Config::main()->get('password'), 'w')) === false) return false;

	fwrite($f, sprintf("admin:%s\n", $_POST['password']));
	fclose($f);

	return true;
    }

    public static function gethaltAction()
    {
	return array();
    }

    public static function haltAction()
    {
	$ok = self::callCommand("super musiikki-halt");

	return $ok;
    }
}