<?php

namespace App\Controller;


/**
 *
 */
class CheckController
{
	
	/**
	 * @param String $serverName
	 * @param int    $versionIP
	 * @param String $apiKey
	 * @param String $command
	 *
	 * @return String
	 */
	function sendCommand(String $serverName, int $versionIP, String $apiKey, String $command): String
	{
		$curl = curl_init();
		curl_setopt($curl, option: CURLOPT_URL, value: "https://$serverName/api/v2/" . $command);
		curl_setopt($curl, option: CURLOPT_RETURNTRANSFER, value: 1);
		curl_setopt($curl, option: CURLOPT_TIMEOUT_MS, value: 1000);
		
		if ($versionIP == 4) {
			curl_setopt($curl, option: CURLOPT_IPRESOLVE, value: CURL_IPRESOLVE_V4);
		} else {
			curl_setopt($curl, option: CURLOPT_IPRESOLVE, value: CURL_IPRESOLVE_V6);
		}
		
		curl_setopt($curl, option: CURLOPT_HTTPHEADER, value: ["X-API-Key:$apiKey"]);
		
		if ($resultJSON = curl_exec($curl)) {
			$httpResponse = curl_getinfo($curl)['http_code'];
			
			switch($httpResponse) {
				case 200:
					$apiResult = json_decode($resultJSON);
					if ($command == "ping" ) {
						if ($apiResult->response == "pong") {
							$result = $apiResult->response;
						} else {
							$result = $resultJSON;
						}
					} else {
						$result = $resultJSON;
					}
					break;
				case 401:
					$result = 'Missing or wrong API Key';
					break;
				default:
					$result = 'Unhandled error: ' . $httpResponse;
			}
		} else {
			$result = curl_error($curl);
		}
		curl_close($curl);
		return $result;
	}
	
}