<?php

namespace App\BusProNet\DataLoader;

use App\BusProNet\Model\Pickup;
use App\BusProNet\Model\Travel;
use Psr\Cache\InvalidArgumentException;
use Symfony\Contracts\Cache\ItemInterface;

class PickupDataLoader extends AbstractDataLoader
{
    public function loadAll(?string $filename = 'zustiege.xml'): array
    {
        try {
            return $this->cache->get('bpn_pickups', function (ItemInterface $item) use ($filename) {
                $item->expiresAfter(3600);

                $xml = simplexml_load_file($this->xmlPath . '/' . $filename);

                $pickups = [];

                foreach ($xml->zustieg as $pickup) {
                    $id = (int)$pickup->attributes()['idbuspro'];
                    $pickups[$id] = $this->parseXml($pickup);
                }

                return $pickups;
            });
        } catch (InvalidArgumentException $e) {
            return [];
        }
    }

    public function loadById(int $id, ?string $filename = 'zustiege.xml'): ?Pickup
    {
        $pickups = $this->loadAll($filename);

        return $pickups[$id] ?? null;
    }

    public function parseXml(\SimpleXMLElement $xml): Pickup
    {
        $attributes = $xml->attributes();

        $pickup = new Pickup();
        $pickup->id = (int) $attributes['idbuspro'];
        $pickup->code = (string) $attributes['code'];
        $pickup->city = (string) $xml->ort;
        $pickup->postalCode = (string) $xml->plz;
        $pickup->street = (string) $xml->strasse;

        return $pickup;
    }

    public function patchPickupsDetails(Travel $travel): void
    {
        foreach ($travel->pickups as $pickupId => $pickup) {
            $pickupData = $this->loadById($pickupId);

            $pickup->code = $pickupData->code;
            $pickup->postalCode = $pickupData->postalCode;
            $pickup->city = $pickupData->city;
            $pickup->street = $pickupData->street;
        }
    }
}