<?php

declare(strict_types=1);

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

final class CookieBearerToken
{
    private const COOKIE_NAMES = [
        'crewli_app_token',
        'crewli_portal_token',
    ];

    public function handle(Request $request, Closure $next): Response
    {
        // Skip if an Authorization header is already present
        if ($request->hasHeader('Authorization')) {
            return $next($request);
        }

        // Resolve the cookie name for the requesting app via Origin header.
        // This prevents cross-app cookie leakage on localhost where the
        // browser sends all cookies regardless of port.
        $cookieName = $this->resolveCookieName($request);

        if ($cookieName) {
            $token = $request->cookie($cookieName);
            if ($token) {
                $request->headers->set('Authorization', 'Bearer ' . $token);
            }
        }

        return $next($request);
    }

    private function resolveCookieName(Request $request): ?string
    {
        $origin = $request->headers->get('Origin')
            ?? $request->headers->get('Referer')
            ?? '';

        if ($origin === '') {
            // No Origin — fall back to first available cookie (e.g. server-to-server)
            foreach (self::COOKIE_NAMES as $name) {
                if ($request->cookie($name)) {
                    return $name;
                }
            }

            return null;
        }

        $originHost = parse_url($origin, PHP_URL_HOST);
        $originPort = parse_url($origin, PHP_URL_PORT);

        $map = [
            'app' => [config('app.frontend_app_url', 'http://localhost:5174'), 'crewli_app_token'],
            'portal' => [config('app.frontend_portal_url', 'http://localhost:5175'), 'crewli_portal_token'],
        ];

        foreach ($map as [$configuredUrl, $cookieName]) {
            $configHost = parse_url($configuredUrl, PHP_URL_HOST);
            $configPort = parse_url($configuredUrl, PHP_URL_PORT);

            if ($originHost === $configHost && $originPort === $configPort) {
                return $cookieName;
            }
        }

        // Origin didn't match any configured frontend — fall back to first available
        foreach (self::COOKIE_NAMES as $name) {
            if ($request->cookie($name)) {
                return $name;
            }
        }

        return null;
    }
}