<?php
namespace JVBase\rest;

use WP_REST_Request;

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly
}
/**
 * @deprecated Using RateLimits.php
 * Handles rate limiting for REST requests
 */
class RateLimiter
{
    protected string $cache_group = 'jvb_rate_limits';
    protected array $limits = [
        'GET' => ['count' => 1000, 'window' => 3600],
        'POST' => ['count' => 100, 'window' => 3600],
        'PUT' => ['count' => 100, 'window' => 3600],
        'DELETE' => ['count' => 50, 'window' => 3600]
    ];

    /**
     * @param WP_REST_Request $request
     *
     * @return bool
     */
    public function checkLimit(WP_REST_Request $request):bool
    {
        $key = $this->getCacheKey($request);
        $limit = $this->getLimit($request);

        $current = wp_cache_get($key, $this->cache_group) ?: 0;

        if ($current >= $limit['count']) {
            return false;
        }

        wp_cache_incr($key, 1, $this->cache_group);
        return true;
    }

    /**
     * @param WP_REST_Request $request
     *
     * @return string
     */
    protected function getCacheKey(WP_REST_Request $request):string
    {
        $ip = $request->get_header('X-Forwarded-For') ?: $_SERVER['REMOTE_ADDR'];
        $user_id = get_current_user_id();
        $method = $request->get_method();

        return "rate_limit:$ip:$user_id:$method";
    }

    protected function getLimit(WP_REST_Request $request):mixed
    {
        $method = $request->get_method();
        return $this->limits[$method] ?? $this->limits['GET'];
    }
}