<?php

/**
 * Example of using the ServiceServer class
 * 
 * Returns countries or cities
 * 
 * @author Kristian Lunde
 */

require_once('ServiceServer.php');

class ExampleServer extends ServiceServer
{


	public function __construct()
	{
		
		$this->countries = array('norway' 	=> array('Oslo', 
												 	'Trondheim', 
												 	'Bergen',
												 	'Halden',
												 	'Sarpsborg',
												 	'Hammerfest'),
								 'sweden'	=> array('Stockholm',
													 'Gothenburg',
													 'Karlstad'),
								 'england'	=> array('London',
													 'Newcastle',
													 'Bath',
													 'Liverpool'));		
		

		if(isset($_GET['country'])) 
		{
			$this->findCitiesByCountry(trim($_GET['country']));
		}
		
		if(isset($_POST['city']))
		{
			$this->findCountryByCity(trim($_GET['city']));
		}
	}
	
	public function findCitiesByCountry($country)
	{
		$cities = 'Not found';
		$country = strtolower($country);
		
		if(isset($this->countries[$country]))
		{
			$cities = $this->countries[$country];
		}
		
		$this->displayJSONResult($cities);
	}
	
	public function findCountryByCity($city)
	{
		$country = 'Not found';
		

		$break = false;
		foreach($this->countries as $key => $val)
		{
			for($i = 0, $count = count($val); $i < $count; $i++)
			{
				if($city == $val[$i])
				{
					$country = $key;
					$break = true;
					break;
				}
			}
			
			if($break)
			{
				break;
			}
		}
		
		
		$this->displayJSONResult($country);
	}
}

$obj = new ExampleServer();
?>