<?php
namespace um\core;

if ( ! defined( 'ABSPATH' ) ) exit;

if ( ! class_exists( 'Router' ) ) {
    class Router {

        /**
         *
         */
        function backend_requests() {
            $ip = isset( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : '';
            $user_id = get_current_user_id();

            if ( empty( $_REQUEST['um_action'] ) )
                exit( __( 'Wrong action', 'ultimate-member' ) );

            if ( empty( $_REQUEST['um_resource'] ) )
                exit( __( 'Wrong resource', 'ultimate-member' ) );

            if ( $_REQUEST['um_action'] == 'route' )
                $verify = wp_verify_nonce( $_REQUEST['um_verify'], $ip . $user_id . $_REQUEST['um_resource'] . $_REQUEST['um_method'] );
            else
                $verify = wp_verify_nonce( $_REQUEST['um_verify'], $ip . $user_id . $_REQUEST['um_action'] . $_REQUEST['um_resource'] );

            if ( empty( $verify ) )
                exit( __( 'Wrong nonce', 'ultimate-member' ) );

            $this->request_process( array(
                'route'     => $_REQUEST['um_resource'],
                'method'    => $_REQUEST['um_method']
            ) );

            /*if ($_REQUEST['um_action'] == 'download' || $_REQUEST['um_action'] == 'view') {
                WO()->downloader()->set_type( $_REQUEST['um_action'] )->process( array(
                    'id' => $_REQUEST['um_id'],
                    'resource' => $_REQUEST['um_resource'],
                    'action' => $_REQUEST['um_action']
                ) );
            } else if ($_REQUEST['um_action'] == 'route') {
                $this->request_process( array(
                    'route' => $_REQUEST['um_resource'],
                    'method' => $_REQUEST['um_method']
                ) );
            }*/
        }


        /**
         * @param $params array
         * @return bool
         */
        function request_process( $params ) {
            if ( empty( $params['route'] ) || empty( $params['method'] ) )
                return false;

            $route = str_replace( array( '!', '/' ), '\\', $params['route'] );

            if ( ! class_exists( $route ) )
                return false;

            if ( method_exists( $route, 'instance' ) )
                $object = $route::instance();
            else
                $object = new $route();

            if ( ! method_exists( $object, $params['method'] ) )
                return false;


            call_user_func( array( &$object, $params['method'] ) );
            return true;
        }


        function frontend_requests() {
            $ip = isset( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : '';
            $user_id = get_current_user_id();
            if ( ! get_query_var( 'um_action' ) )
                exit( __( 'Wrong action', 'ultimate-member' ) );

            if ( ! get_query_var( 'um_resource' ) )
                exit( __( 'Wrong resource', 'ultimate-member' ) );

            $verify = false;
            if ( get_query_var( 'um_action' ) == 'route' )
                $verify = wp_verify_nonce( get_query_var( 'um_verify' ), $ip . $user_id . get_query_var( 'um_resource' ) . get_query_var( 'um_method' ) );

            if ( $verify ) {
                if ( get_query_var( 'um_action' ) == 'route' ) {
                    $this->request_process( array(
                        'route' => get_query_var( 'um_resource' ),
                        'method' => get_query_var( 'um_method' )
                    ) );
                }
            } else {
                exit( __( 'Wrong nonce', 'ultimate-member' ) );
            }
        }

    }
}