add_action('wp_ajax_insta_download', 'insta_download_handler');
add_action('wp_ajax_nopriv_insta_download', 'insta_download_handler');

function insta_download_handler() {

    check_ajax_referer('insta_dl_nonce', 'nonce');

    if (empty($_POST['url'])) {
        wp_send_json_error('Instagram URL is required');
    }

    $insta_url = esc_url_raw($_POST['url']);

    // 👉 Render API endpoint
    $api_url = 'https://insta-api-cxmq.onrender.com/api/download';

    $response = wp_remote_post($api_url, [
        'headers' => [
            'Content-Type' => 'application/json'
        ],
        'body' => json_encode([
            'url' => $insta_url
        ]),
        'timeout' => 20
    ]);

    if (is_wp_error($response)) {
        wp_send_json_error('API request failed');
    }

    $body = wp_remote_retrieve_body($response);
    $data = json_decode($body, true);

    if (isset($data['download_url'])) {
        wp_send_json_success($data['download_url']);
    } else {
        wp_send_json_error('Download link not found');
    }
}