<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;

class CheckStaticHash
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next)
    {
        $hash = config('services.api.static_hash');
        
        // Eğer hash config'de tanımlı değilse güvenli başarısızlık (fail-safe)
        if (empty($hash)) {
            return response()->json([
                'status' => 'error',
                'message' => 'Server configuration error: API Static Hash is not configured.'
            ], 500);
        }

        $requestHash = $request->header('X-Api-Hash');

        if ($requestHash !== $hash) {
            return response()->json([
                'status' => 'error',
                'message' => 'Unauthorized access. Invalid or missing X-Api-Hash header.'
            ], 401);
        }

        return $next($request);
    }
}