<?php

class Core {

	/*Function to set JSON output*/
	function output($Return=array()){
		/*Set response header*/
		header("Access-Control-Allow-Origin: *");
		header("Content-Type: application/json; charset=UTF-8");
		/*Final JSON response*/
		exit(json_encode($Return));
	}
	// Function to validate the post data
	function validate_post($data)
	{
		/* Validating the hostname, the database name and the username. The password is optional. */
		return !empty($data['hostname']) && !empty($data['username']) && !empty($data['database']);
	}

	// Function to show an error
	function show_message($type,$message) {
		return $message;
	}

	// Function to write the config file
	function write_config($hostname,$username,$password,$database) {

		// Config path
		$template_path 	= './config/database.php';
		$output_path 	= '../application/config/database.php';

		// Open the file
		$database_file = file_get_contents($template_path);

		$new  = str_replace("%HOSTNAME%",$hostname,$database_file);
		$new  = str_replace("%USERNAME%",$username,$new);
		$new  = str_replace("%PASSWORD%",$password,$new);
		$new  = str_replace("%DATABASE%",$database,$new);

		// Write the new database.php file
		$handle = fopen($output_path,'w+');

		// Chmod the file, in case the user forgot
		@chmod($output_path,0777);

		// Verify file permissions
		if(is_writable($output_path)) {

			// Write the file
			if(fwrite($handle,$new)) {
				return true;
			} else {
				return false;
			}

		} else {
			return false;
		}
	}
	
	// get timezone
	public function all_timezones()
	{
	$timezones = array(
		'Pacific/Midway'       => "(GMT-11:00) Midway Island",
		'US/Samoa'             => "(GMT-11:00) Samoa",
		'US/Hawaii'            => "(GMT-10:00) Hawaii",
		'US/Alaska'            => "(GMT-09:00) Alaska",
		'US/Pacific'           => "(GMT-08:00) Pacific Time (US &amp; Canada)",
		'America/Tijuana'      => "(GMT-08:00) Tijuana",
		'US/Arizona'           => "(GMT-07:00) Arizona",
		'US/Mountain'          => "(GMT-07:00) Mountain Time (US &amp; Canada)",
		'America/Chihuahua'    => "(GMT-07:00) Chihuahua",
		'America/Mazatlan'     => "(GMT-07:00) Mazatlan",
		'America/Mexico_City'  => "(GMT-06:00) Mexico City",
		'America/Monterrey'    => "(GMT-06:00) Monterrey",
		'Canada/Saskatchewan'  => "(GMT-06:00) Saskatchewan",
		'US/Central'           => "(GMT-06:00) Central Time (US &amp; Canada)",
		'US/Eastern'           => "(GMT-05:00) Eastern Time (US &amp; Canada)",
		'US/East-Indiana'      => "(GMT-05:00) Indiana (East)",
		'America/Bogota'       => "(GMT-05:00) Bogota",
		'America/Lima'         => "(GMT-05:00) Lima",
		'America/Caracas'      => "(GMT-04:30) Caracas",
		'Canada/Atlantic'      => "(GMT-04:00) Atlantic Time (Canada)",
		'America/La_Paz'       => "(GMT-04:00) La Paz",
		'America/Santiago'     => "(GMT-04:00) Santiago",
		'Canada/Newfoundland'  => "(GMT-03:30) Newfoundland",
		'America/Buenos_Aires' => "(GMT-03:00) Buenos Aires",
		'Greenland'            => "(GMT-03:00) Greenland",
		'Atlantic/Stanley'     => "(GMT-02:00) Stanley",
		'Atlantic/Azores'      => "(GMT-01:00) Azores",
		'Atlantic/Cape_Verde'  => "(GMT-01:00) Cape Verde Is.",
		'Africa/Casablanca'    => "(GMT) Casablanca",
		'Europe/Dublin'        => "(GMT) Dublin",
		'Europe/Lisbon'        => "(GMT) Lisbon",
		'Europe/London'        => "(GMT) London",
		'Africa/Monrovia'      => "(GMT) Monrovia",
		'Europe/Amsterdam'     => "(GMT+01:00) Amsterdam",
		'Europe/Belgrade'      => "(GMT+01:00) Belgrade",
		'Europe/Berlin'        => "(GMT+01:00) Berlin",
		'Europe/Bratislava'    => "(GMT+01:00) Bratislava",
		'Europe/Brussels'      => "(GMT+01:00) Brussels",
		'Europe/Budapest'      => "(GMT+01:00) Budapest",
		'Europe/Copenhagen'    => "(GMT+01:00) Copenhagen",
		'Europe/Ljubljana'     => "(GMT+01:00) Ljubljana",
		'Europe/Madrid'        => "(GMT+01:00) Madrid",
		'Europe/Paris'         => "(GMT+01:00) Paris",
		'Europe/Prague'        => "(GMT+01:00) Prague",
		'Europe/Rome'          => "(GMT+01:00) Rome",
		'Europe/Sarajevo'      => "(GMT+01:00) Sarajevo",
		'Europe/Skopje'        => "(GMT+01:00) Skopje",
		'Europe/Stockholm'     => "(GMT+01:00) Stockholm",
		'Europe/Vienna'        => "(GMT+01:00) Vienna",
		'Europe/Warsaw'        => "(GMT+01:00) Warsaw",
		'Europe/Zagreb'        => "(GMT+01:00) Zagreb",
		'Europe/Athens'        => "(GMT+02:00) Athens",
		'Europe/Bucharest'     => "(GMT+02:00) Bucharest",
		'Africa/Cairo'         => "(GMT+02:00) Cairo",
		'Africa/Harare'        => "(GMT+02:00) Harare",
		'Europe/Helsinki'      => "(GMT+02:00) Helsinki",
		'Europe/Istanbul'      => "(GMT+02:00) Istanbul",
		'Asia/Jerusalem'       => "(GMT+02:00) Jerusalem",
		'Europe/Kiev'          => "(GMT+02:00) Kyiv",
		'Europe/Minsk'         => "(GMT+02:00) Minsk",
		'Europe/Riga'          => "(GMT+02:00) Riga",
		'Europe/Sofia'         => "(GMT+02:00) Sofia",
		'Europe/Tallinn'       => "(GMT+02:00) Tallinn",
		'Europe/Vilnius'       => "(GMT+02:00) Vilnius",
		'Asia/Baghdad'         => "(GMT+03:00) Baghdad",
		'Asia/Kuwait'          => "(GMT+03:00) Kuwait",
		'Africa/Nairobi'       => "(GMT+03:00) Nairobi",
		'Asia/Riyadh'          => "(GMT+03:00) Riyadh",
		'Europe/Moscow'        => "(GMT+03:00) Moscow",
		'Asia/Tehran'          => "(GMT+03:30) Tehran",
		'Asia/Baku'            => "(GMT+04:00) Baku",
		'Europe/Volgograd'     => "(GMT+04:00) Volgograd",
		'Asia/Muscat'          => "(GMT+04:00) Muscat",
		'Asia/Tbilisi'         => "(GMT+04:00) Tbilisi",
		'Asia/Yerevan'         => "(GMT+04:00) Yerevan",
		'Asia/Kabul'           => "(GMT+04:30) Kabul",
		'Asia/Karachi'         => "(GMT+05:00) Karachi",
		'Asia/Tashkent'        => "(GMT+05:00) Tashkent",
		'Asia/Kolkata'         => "(GMT+05:30) Kolkata",
		'Asia/Kathmandu'       => "(GMT+05:45) Kathmandu",
		'Asia/Yekaterinburg'   => "(GMT+06:00) Ekaterinburg",
		'Asia/Almaty'          => "(GMT+06:00) Almaty",
		'Asia/Dhaka'           => "(GMT+06:00) Dhaka",
		'Asia/Novosibirsk'     => "(GMT+07:00) Novosibirsk",
		'Asia/Bangkok'         => "(GMT+07:00) Bangkok",
		'Asia/Jakarta'         => "(GMT+07:00) Jakarta",
		'Asia/Krasnoyarsk'     => "(GMT+08:00) Krasnoyarsk",
		'Asia/Chongqing'       => "(GMT+08:00) Chongqing",
		'Asia/Hong_Kong'       => "(GMT+08:00) Hong Kong",
		'Asia/Kuala_Lumpur'    => "(GMT+08:00) Kuala Lumpur",
		'Australia/Perth'      => "(GMT+08:00) Perth",
		'Asia/Singapore'       => "(GMT+08:00) Singapore",
		'Asia/Taipei'          => "(GMT+08:00) Taipei",
		'Asia/Ulaanbaatar'     => "(GMT+08:00) Ulaan Bataar",
		'Asia/Urumqi'          => "(GMT+08:00) Urumqi",
		'Asia/Irkutsk'         => "(GMT+09:00) Irkutsk",
		'Asia/Seoul'           => "(GMT+09:00) Seoul",
		'Asia/Tokyo'           => "(GMT+09:00) Tokyo",
		'Australia/Adelaide'   => "(GMT+09:30) Adelaide",
		'Australia/Darwin'     => "(GMT+09:30) Darwin",
		'Asia/Yakutsk'         => "(GMT+10:00) Yakutsk",
		'Australia/Brisbane'   => "(GMT+10:00) Brisbane",
		'Australia/Canberra'   => "(GMT+10:00) Canberra",
		'Pacific/Guam'         => "(GMT+10:00) Guam",
		'Australia/Hobart'     => "(GMT+10:00) Hobart",
		'Australia/Melbourne'  => "(GMT+10:00) Melbourne",
		'Pacific/Port_Moresby' => "(GMT+10:00) Port Moresby",
		'Australia/Sydney'     => "(GMT+10:00) Sydney",
		'Asia/Vladivostok'     => "(GMT+11:00) Vladivostok",
		'Asia/Magadan'         => "(GMT+12:00) Magadan",
		'Pacific/Auckland'     => "(GMT+12:00) Auckland",
		'Pacific/Fiji'         => "(GMT+12:00) Fiji",
		);
		return $timezones;
	}
}