<?php

namespace App\Http\Middleware;

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

class ApiKeyMiddleware
{
    public function handle(Request $request, Closure $next): Response
    {
        $apiKey = config('ifnex.api_key');

        if (empty($apiKey) || in_array($apiKey, ['change-me', 'change-this-secret-key'], true)) {
            return response()->json([
                'message' => 'API Key is not configured. Set IFNEX_API_KEY in .env.',
            ], 500);
        }

        $provided = $request->header('Authorization');

        if (!$provided || !str_starts_with($provided, 'Bearer ')) {
            return response()->json(['message' => 'Unauthorized'], 401);
        }

        $token = substr($provided, 7);

        if (!hash_equals($apiKey, $token)) {
            return response()->json(['message' => 'Forbidden'], 403);
        }

        return $next($request);
    }
}