<?php
# AUTH Token für API-Zugriff
define('PACIM_API_TOKEN', 'fN4kCee`@mdun5LU5dux');

if(isset($_GET['debug']) && $_GET['debug'] == 1) {
	define('API_CONNECTION', 'PaCIM-Developer');
} else {
	define('API_CONNECTION', 'PaCIM-PAS');
}

// Preisrechner
function get_parking_ground_price($type, $duration, $year = FALSE) {
	$pathPrice = dirname(__FILE__) . "/price.json";
	$year = ($year === FALSE ? date("Y") : $year);
	
	if (!is_file($pathPrice)) { return FALSE; }
	$priceData = json_decode( file_get_contents( $pathPrice ), true );
	
	// Überprüfen, ob das Jahr im Preis-Array verfügbar ist
	if ( !isset( $priceData[$year] ) )  {
		$lastAvailableYear = max( array_keys( $priceData ) ); // Letztes verfügbares Jahr ermitteln
		$year = $lastAvailableYear;
	}
	
	// Preisoptionen für das ausgewählte Jahr und Parkplatztyp
	$aPricingOptions = [
		"A" => $priceData[$year]["aussen"], // Außenstellplatz
		"H" => $priceData[$year]["halle"]   // Hallenstellplatz
	];

	$parkingTypeKey = strtoupper(substr($type, 0, 1)); // A oder H

	// Preisdatensätze für das entsprechende Jahr laden
	if (isset($aPricingOptions[$parkingTypeKey])) {
		
		foreach ($aPricingOptions[$parkingTypeKey] as $key => $value) {
			if (strpos($key, "-") !== false) {
				[$minDays, $maxDays] = explode("-", $key);
			} else {
				$minDays = 21;
				$maxDays = PHP_INT_MAX;
			}

			if ($duration >= $minDays && $duration <= $maxDays) {
				$pGroundPrice = ($minDays >= 21) ? floatval($value) * $duration : floatval($value);
				break;
			}
		}
	}

	return $pGroundPrice;
}

# User IP-Adresse ermitteln
function get_client_ip() {
    $ipaddress = '';
    if (getenv('HTTP_CLIENT_IP'))
        $ipaddress = getenv('HTTP_CLIENT_IP');
    else if(getenv('HTTP_X_FORWARDED_FOR'))
        $ipaddress = getenv('HTTP_X_FORWARDED_FOR');
    else if(getenv('HTTP_X_FORWARDED'))
        $ipaddress = getenv('HTTP_X_FORWARDED');
    else if(getenv('HTTP_FORWARDED_FOR'))
        $ipaddress = getenv('HTTP_FORWARDED_FOR');
    else if(getenv('HTTP_FORWARDED'))
       $ipaddress = getenv('HTTP_FORWARDED');
    else if(getenv('REMOTE_ADDR'))
        $ipaddress = getenv('REMOTE_ADDR');
    else
        $ipaddress = 'UNKNOWN';
    return $ipaddress;
}