<?php

namespace App\Http\Middleware;

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

class CheckBudget
{
    /**
     * Handle an incoming request.
     * Check if gateway user has exceeded budget or is blocked.
     *
     * @param  \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response)  $next
     */
    public function handle(Request $request, Closure $next): Response
    {
        $user = $request->user(); // GatewayUser from API Guard

        // Check if user is blocked
        if ($user && $user->isBlocked()) {
            return response()->json([
                'error' => [
                    'message' => 'User is blocked. Please contact your administrator.',
                    'type' => 'user_blocked',
                    'code' => 403,
                ]
            ], 403);
        }

        // Check if budget exceeded
        if ($user && $user->hasExceededBudget()) {
            return response()->json([
                'error' => [
                    'message' => 'Budget exceeded. Please contact your administrator.',
                    'type' => 'budget_exceeded',
                    'code' => 429,
                    'budget_limit' => $user->monthly_budget_limit,
                    'current_spending' => $user->current_month_spending,
                ]
            ], 429);
        }

        return $next($request);
    }
}