<?php

	class SteamAPI {

		const version = '1.0';
		private $ids = '';
		private $api_key;
		private $pre_url = 'https://api.steampowered.com/';



 		###################
		# GENERAL METHODS #
		###################

		private function add_steam_id($steamid){
			if(count($this->ids) == 0){
				$this->ids .= $steamid;
			} else {
				$this->ids .= ',' . $steamid;
			}
		}

		public function set_api_key($api_key){
			$this->api_key = $api_key;
		}

		private function get_content($uri){
			try{
				$content = file_get_contents($uri);
				$content = json_decode($content, true);
				return $content;
			} catch(Exception $e){
				echo $e->getMessage();
			}

		}

		private function array_steamids($steamids){
			return explode(',', $steamids);
		}


		###############
		# API METHODS #
		###############


		public function GetGamePrice($appid, $currency=[]){
			$country_codes = array(
				'ae', 'au', 'br', 'cn', 'dk', 'es', 'gb', 'hr', 'ie', 'ir', 'jp', 'lt', 'ly', 'mx', 'no', 'ph', 'pt', 'rs', 'se', 'sk', 'tw', 'ar',
				'be', 'ca', 'cz', 'dz', 'fi', 'gr', 'hu', 'il', 'is', 'kr', 'lu', 'mk', 'my', 'nz', 'pk', 're', 'ru', 'sg', 'th', 'ua', 'za', 'at',
				'bg', 'cl', 'de', 'ee', 'fr', 'hk', 'id', 'in', 'it', 'kz', 'lv', 'mo', 'nl', 'pe', 'pl', 'ro', 'sa', 'si', 'tr', 'us', 'by'
			);

			$array_countries = [];


			if(!empty($currency) && is_array($currency)){
				$array_countries = $currency;
			} else {
				$array_countries = $country_codes;
			}

			$prices = [];
			foreach ($array_countries as $code) {
				$url = 'http://store.steampowered.com/api/appdetails?appids=' . $appid . '&filters=price_overview&cc=' . $code;
				$handler = $this->get_content($url);

				if($handler[$appid]['success']){
					foreach ($handler[$appid]['data'] as $h) {
						$price = [];
						$price['appid'] = $appid;
						$price['currency'] = $h['currency'];
						$price['initial'] = $h['initial'];
						$price['final'] = $h['final'];
						$price['discount_percent'] = $h['discount_percent'];
						array_push($prices, $price);
					}
				}
			}

			return $prices;
		}

	}


$file      = "prices.json";
$steam_id = '57690';
$api_key = 'BE66BE20E6C1C22C563A4DE0BCE08AAD';
$steamAPI = new SteamAPI($steam_id, $api_key);
$handler = $steamAPI->GetGamePrice($steam_id, array('pl', 'us'));

header('Content-type:application/json;charset=utf-8');
echo json_encode($handler);
file_put_contents($file, json_encode($handler));


?>