<?php

declare(strict_types=1);

namespace App\Services\Keka;

class KekaUrlBuilder
{
    private const DEFAULT_HOST = 'login.keka.com';

    public function buildExternalLoginUrl(string $configuredUrl, string $provider): string
    {
        $parsed = parse_url($configuredUrl);
        $host = $parsed['host'] ?? self::DEFAULT_HOST;

        $query = [];
        if (isset($parsed['query'])) {
            parse_str($parsed['query'], $query);
        }

        $companyId = $query['companyId'] ?? $query['companyid'] ?? null;

        if (! $companyId && self::DEFAULT_HOST !== $host) {
            $parts = explode('.', $host);
            if (count($parts) >= 2) {
                $companyId = $parts[0];
            }
        }

        $buildQuery = [
            'provider' => $provider,
        ];

        // if ($companyId) {
        //     $buildQuery['companyId'] = $companyId;
        // }

        $queryString = http_build_query($buildQuery);

        return 'https://'.self::DEFAULT_HOST."/Account/ExternalLogin?{$queryString}";
    }

    public function buildCallbackUrl(string $configuredUrl, string $callbackPath): string
    {
        $parsed = parse_url($configuredUrl);
        $host = $parsed['host'] ?? self::DEFAULT_HOST;

        if (self::DEFAULT_HOST !== $host) {
            $parts = explode('.', $host);
            if (count($parts) >= 2 && 'keka' === $parts[1]) {
                $host = self::DEFAULT_HOST;
            }
        }

        $scheme = $parsed['scheme'] ?? 'https';

        return "{$scheme}://{$host}/".mb_ltrim($callbackPath, '/');
    }
}