<?php

declare(strict_types=1);

namespace App\BusProNet\Utility;

class BookingUrlUtility
{
    public function __construct(
        private readonly string $defaultBaseUrl,
    ) {
    }

    public function build(int $hotelId, int $dateId, ?string $myEpUrl = null): string
    {
        $query = http_build_query([
            'date_id' => $dateId,
            'hotel_id' => $hotelId,
        ], '', '&', PHP_QUERY_RFC3986);

        $baseUrlInput = null !== $myEpUrl && '' !== trim($myEpUrl)
            ? $myEpUrl
            : $this->defaultBaseUrl;
        $baseUrl = $this->normalizeBaseUrl($baseUrlInput);
        if ('' === $baseUrl) {
            return sprintf('/bookings/create?%s', $query);
        }

        return sprintf('%s/bookings/create?%s', $baseUrl, $query);
    }

    private function normalizeBaseUrl(string $url): string
    {
        $trimmedUrl = trim($url);

        return rtrim($trimmedUrl, '/');
    }
}