<?php
/**
 * The core plugin class for registering REST API and REST Endpoints.
 *
 * @link       https://addonify.com/
 * @since      1.0.0
 *
 * @package    Addonify_Floating_Cart
 * @subpackage Addonify_Floating_Cart/includes
 */

/**
 * The core plugin class for registering REST API and REST Endpoints.
 *
 * @since      1.0.0
 * @package    Addonify_Floating_Cart
 * @subpackage Addonify_Floating_Cart/includes
 * @author     Addonify <addonify@gmail.com>
 */
class Addonify_Floating_Cart_Rest_Api {

	/**
	 * The array of actions registered with WordPress.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      string    $namespace    Namespace for the rest api.
	 */
	protected $namespace = 'addonify_floating_cart_options_api';

	/**
	 * Register Rest API.
	 *
	 * @since    1.0.0
	 */
	public function __construct() {

		add_action( 'rest_api_init', array( $this, 'register_rest_apis' ) );
	}

	/**
	 * Define the REST Endpoints.
	 *
	 * @since    1.0.0
	 */
	public function register_rest_apis() {

		register_rest_route(
			$this->namespace,
			'/get_options',
			array(
				'methods'             => 'GET',
				'callback'            => array( $this, 'rest_handler_get_settings_fields' ),
				'permission_callback' => array( $this, 'permission_callback' ),
			)
		);

		register_rest_route(
			$this->namespace,
			'/update_options',
			array(
				'methods'             => \WP_REST_Server::CREATABLE,
				'callback'            => array( $this, 'rest_handler_update_options' ),
				'permission_callback' => array( $this, 'permission_callback' ),
			)
		);
	}

	/**
	 * Define callback function that handles request coming to /get_options endpoint.
	 *
	 * @since    1.0.0
	 */
	public function rest_handler_get_settings_fields() {

		return addonify_floating_cart_get_setting_fields();
	}


	/**
	 * Callback function to update all settings options values.
	 *
	 * @since    1.0.7
	 * @param array $request  \WP_REST_Request The request object.
	 * @return json $return_data   \WP_REST_Response The response object.
	 */
	public function rest_handler_update_options( $request ) {

		$return_data = array(
			'success' => false,
			'message' => __( 'Ooops, error saving settings!!!', 'addonify-floating-cart' ),
		);

		$params = $request->get_params();

		if ( ! isset( $params['settings_values'] ) ) {

			$return_data['message'] = __( 'No settings values to update!!!', 'addonify-floating-cart' );
			return $return_data;
		}

		if ( addonify_floating_cart_update_settings( $params['settings_values'] ) === true ) {

			$return_data['success'] = true;
			$return_data['message'] = __( 'Settings saved successfully', 'addonify-floating-cart' );
		}

		return rest_ensure_response( $return_data );
	}


	/**
	 * Permission callback function to check if current user can access the rest api route.
	 *
	 * @since    1.0.0
	 */
	public function permission_callback() {

		if ( ! current_user_can( 'manage_options' ) ) {

			return new WP_Error(
				'rest_forbidden',
				esc_html__( 'Ooops, you are not allowed to manage options.', 'addonify-floating-cart' ),
				array( 'status' => 401 )
			);
		}

		return true;
	}
}