blic function dismiss_onboarding_popup_callback() {

		$this->check_user_capabilities();

		check_ajax_referer( 'llar-dismiss-onboarding-popup', 'sec' );

		Config::update( 'onboarding_popup_shown', true );

		wp_send_json_success();
	}

	public function get_remaining_attempts_message_callback() {

		check_ajax_referer( 'llar-get-remaining-attempts-message', 'sec' );

		if ( ! session_id() ) {
			session_start();
		}

		$remaining = ! empty( $_SESSION['login_attempts_left'] ) ? (int)$_SESSION['login_attempts_left'] : 0;

		if ( ! empty( $remaining ) && $remaining > 0 ) {

			$message = sprintf( _n( "<strong>%d</strong> attempt remaining.", "<strong>%d</strong> attempts remaining.", $remaining, 'limit-login-attempts-reloaded' ), $remaining );
			wp_send_json_success( $message );
        } else {

			wp_send_json_error();
		}
	}


    public function onboarding_reset_callback() {

	    if ( ! LimitLoginAttempts::$instance->has_capability ) {

            wp_send_json_error( array() );
        }

        check_ajax_referer( 'llar-action-onboarding-reset', 'sec' );

        if ( Config::get( 'active_app' ) !== 'local' || ! empty( Config::get( 'app_setup_code' ) ) ) {

            wp_send_json_error( array() );
        }

        Config::update( 'onboarding_popup_shown', 0 );

        wp_send_json_success();
    }


    public function close_premium_message() {

	    check_ajax_referer( 'llar-close-premium-message', 'sec' );

	    Config::update( 'notifications_message_shown', strtotime( '+1 day' ) );

	    wp_send_json_success();
    }


    public function activate_micro_cloud_callback() {

        if ( ! LimitLoginAttempts::$instance->has_capability ) {

            wp_send_json_error( array('msg' => 'Wrong country code.') );
        }

        check_ajax_referer( 'llar-activate-micro-cloud', 'sec' );
	    $email = sanitize_text_field( trim( $_POST['email'] ) );

	    if ( ! empty( $email ) && is_email( $email ) ) {

            $url_api = defined( 'LLAR_MC_URL' ) ? LLAR_MC_URL : 'https://api.limitloginattempts.com/checkout/network';

            $data = [
                'group' => 'free',
                'email' => $email
            ];

            $response = Http::post( $url_api, array(
                'data' => $data
            ) );

            if ( ! empty( $response['error'] ) ) {

                wp_send_json_error( $response['error'] );

            } else {

                $response_body = json_decode( $response['data'], true );

                if ( ! empty( $response_body['setup_code'] ) ) {

	                if ( $key_result = CloudApp::activate_license_key( $response_body['setup_code'] ) ) {

		                if ( $key_result['success'] ) {

			                wp_send_json_success( array(
				                'msg' => ( $key_result )
			                ) );
		                } else {

			                wp_send_json_error( array(
				                'msg' => ( $key_result )
			                ) );
		                }
	                } else {

		                wp_send_json_error( array(
			                'msg' => $key_result['error']
		                ) );
	                }
                }
            }
        }

	    wp_send_json_error( array() );
    }


	public function toggle_auto_update_callback() {

		$this->check_user_capabilities();

		if ( Helpers::is_block_automatic_update_disabled() ) {

            wp_send_json_error( array( 'msg' => 'Can\'t turn auto-updates on. Please ask your hosting provider or developer for assistance.') );
        }

		check_ajax_referer( 'llar-toggle-auto-update', 'sec' );

		$value = sanitize_text_field( $_POST['value'] );
		$auto_update_plugins = get_site_option( 'auto_update_plugins', array() );

		if( $value === 'yes' ) {
			$auto_update_plugins[] = LLA_PLUGIN_BASENAME;
			Config::update( 'auto_update_choice', 1 );

		} else if ( $value === 'no' ) {
			if ( ( $key = array_search( LLA_PLUGIN_BASENAME, $auto_update_plugins ) ) !== false ) {
				unset($auto_update_plugins[$key]);
			}
			Config::update( 'auto_update_choice', 0 );
		}

		update_site_option( 'auto_update_plugins', $auto_update_plugins );

		wp_send_json_success();
	}

	public function test_email_notifications_callback() {

		$this->check_user_capabilities();

		check_ajax_referer('llar-test-email-notifications', 'sec');

		$to = sanitize_email( $_POST['email'] );

		if( empty( $to ) || !is_email( $to ) ) {

			wp_send_json_error( array(
                'msg' => __( 'Wrong email format.', 'limit-login-attempts-reloaded' ),
            ) );
		}

		if( wp_mail(
            $to,
            __( 'LLAR Security Notifications [TEST]', 'limit-login-attempts-reloaded' ),
            __( 'Your email notifications for Limit Login Attempts Reloaded are working correctly. If this email is going to spam, please be sure to add this address to your safelist.', 'limit-login-attempts-reloaded' )
        ) ) {

			wp_send_json_success();
		} else {

			wp_send_json_error();
		}
	}


	/**
	 * Access capabilities checks
	 */
	private function check_user_capabilities() {

		if ( ! LimitLoginAttempts::$instance->has_capability ) {

			wp_send_json_error( array() );
		}
	}
}