<?php declare(strict_types=1);

namespace App\Controller;

use UnhandledMatchError;

error_reporting(error_level: E_ALL);


/**
 *
 */
class ApiController
{
	
	/**
	 * @param String $requestType
	 * @param String $serverName
	 * @param int    $versionIP
	 * @param String $apiKey
	 * @param String $command
	 * @param String $serverType
	 * @param array  $body
	 *
	 * @return array
	 */
	function sendCommand(string $requestType, string $serverName, int $versionIP, string $apiKey, string $command, string $serverType, array $body = []): array
	{
		$error = false;
		$curl = curl_init();
		
		try {
			match ($serverType) {
				'panel' => curl_setopt(handle: $curl, option: CURLOPT_URL, value: "https://$serverName/api/v2/" . $command),
				'nameserver' => curl_setopt(handle: $curl, option: CURLOPT_URL, value: "https://$serverName/api/" . $command)
				
				
			};
		} catch (UnhandledMatchError) {
			echo 'Unhandled match: ' . $serverType;
		}
		
		curl_setopt(handle: $curl, option: CURLOPT_RETURNTRANSFER, value: 1);
		curl_setopt(handle: $curl, option: CURLOPT_TIMEOUT_MS, value: 3000);
		curl_setopt(handle: $curl, option: CURLOPT_HTTP_VERSION, value: CURL_HTTP_VERSION_2TLS);
		
		if ($versionIP == 4) {
			curl_setopt(handle: $curl, option: CURLOPT_IPRESOLVE, value: CURL_IPRESOLVE_V4);
		} else {
			curl_setopt(handle: $curl, option: CURLOPT_IPRESOLVE, value: CURL_IPRESOLVE_V6);
		}
		
		curl_setopt(handle: $curl, option: CURLOPT_HTTPHEADER, value: ["X-API-Key:$apiKey"]);
		
		if ($requestType == "POST") {
			curl_setopt(handle: $curl, option: CURLOPT_POST, value: true);
			curl_setopt(handle: $curl, option: CURLOPT_POSTFIELDS, value: $body);
		}
		
		curl_setopt(handle: $curl, option: CURLOPT_CUSTOMREQUEST, value: $requestType);
		
		if ($resultJSON = curl_exec(handle: $curl)) {
			$httpResponse = curl_getinfo(handle: $curl)['http_code'];
			
			switch ($httpResponse) {
				case 200:
					$apiResult = json_decode(json: $resultJSON);
					if ($command == "ping") {
						if ($apiResult->response == "pong") {
							$result = $apiResult->response;
						} else {
							$result = $apiResult;
						}
					} else {
						$result = $resultJSON;
					}
					break;
				case 401:
					$result = 'Missing or wrong API Key';
					break;
				case 404:
					$result = '404 Not Found';
					break;
				case 500:
					$result = 'server error';
					break;
				default:
					$result = 'Unhandled error: ' . $httpResponse;
			}
		} else {
			$error = true;
			$result = curl_error(handle: $curl);
		}
		curl_close(handle: $curl);
		return [
			'error'  => $error,
			'data'   => $result,
			'header' => $httpResponse ?? ''
		];
	}
	
}