<?php
namespace um\core;

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

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

        var $reset_request;

        function __construct() {

            add_shortcode('ultimatemember_password', array(&$this, 'ultimatemember_password'));

            add_action('template_redirect', array(&$this, 'password_reset'), 10001 );

            add_action('template_redirect', array(&$this, 'form_init'), 10002);

            add_action('init',  array(&$this, 'listen_to_password_reset_uri'), 1);

        }

        /***
         ***	@a listener to password reset uri
         ***/
        function listen_to_password_reset_uri() {

            if ( isset($_REQUEST['act']) && $_REQUEST['act'] == 'reset_password' && isset($_REQUEST['hash']) && strlen($_REQUEST['hash']) == 40 &&
                isset($_REQUEST['user_id']) && is_numeric($_REQUEST['user_id']) ) {

                $user_id = absint( $_REQUEST['user_id'] );
                delete_option( "um_cache_userdata_{$user_id}" );

                um_fetch_user( $user_id );

                if ( $_REQUEST['hash'] != um_user('reset_pass_hash') ){
                    wp_die( __('This is not a valid hash, or it has expired.','ultimate-member') );
                }

                UM()->user()->profile['reset_pass_hash_token'] = current_time( 'timestamp' );
                UM()->user()->update_usermeta_info('reset_pass_hash_token');

                $this->change_password = true;

                um_reset_user();

            }

        }

        /***
         ***	@reset url
         ***/
        function reset_url(){
            if ( !um_user('reset_pass_hash') ) return false;

            $user_id = um_user('ID');

            delete_option( "um_cache_userdata_{$user_id}" );

            $url =  add_query_arg( 'act', 'reset_password', um_get_core_page('password-reset') );
            $url =  add_query_arg( 'hash', esc_attr( um_user('reset_pass_hash') ), $url );
            $url =  add_query_arg( 'user_id', esc_attr( um_user('ID') ), $url );

            return $url;

        }

        /***
         ***	@we are on password reset page
         ***/
        function password_reset(){
            if ( um_is_core_page('password-reset') ) {

                UM()->fields()->set_mode = 'password';

            }

        }

        /***
         ***	@password page form
         ***/
        function form_init() {
            if ( um_requesting_password_reset() ) {

                UM()->form()->post_form = $_POST;

                do_action('um_reset_password_errors_hook', UM()->form()->post_form );

                if ( !isset( UM()->form()->errors) ) {

                    do_action('um_reset_password_process_hook', UM()->form()->post_form );

                }

            }

            if ( um_requesting_password_change() ) {

                UM()->form()->post_form = $_POST;

                do_action('um_change_password_errors_hook', UM()->form()->post_form );

                if ( !isset( UM()->form()->errors ) ) {

                    do_action('um_change_password_process_hook', UM()->form()->post_form );

                }

            }

        }

        /***
         ***	@Add class based on shortcode
         ***/
        function get_class( $mode ) {

            $classes = 'um-'.$mode;

            if ( is_admin() ) {
                $classes .= ' um-in-admin';
            }

            if ( UM()->fields()->editing == true ) {
                $classes .= ' um-editing';
            }

            if ( UM()->fields()->viewing == true ) {
                $classes .= ' um-viewing';
            }

            $classes = apply_filters('um_form_official_classes__hook', $classes);
            return $classes;
        }

        /***
         ***	@Shortcode
         ***/
        function ultimatemember_password( $args = array() ) {
            return $this->load( $args );
        }

        /***
         ***	@Load a module with global function
         ***/
        function load( $args ) {

            ob_start();

            $defaults = array(
                'template' => 'password-reset',
                'mode' => 'password',
                'form_id' => 'um_password_id',
                'max_width' => '450px',
                'align' => 'center',
            );
            $args = wp_parse_args( $args, $defaults );

            if ( empty( $args['use_custom_settings'] ) ) {
                $args = array_merge( $args, UM()->shortcodes()->get_css_args( $args ) );
            } else {
                $args = array_merge( UM()->shortcodes()->get_css_args( $args ), $args );
            }

            $args = apply_filters('um_reset_password_shortcode_args_filter', $args);

            if ( isset( $this->change_password ) ) {

                $args['user_id'] =  $_REQUEST['user_id'];
                $args['template'] = 'password-change';

            }

            extract( $args, EXTR_SKIP );

            do_action("um_pre_{$mode}_shortcode", $args);

            do_action("um_before_form_is_loaded", $args);

            do_action( "um_before_{$mode}_form_is_loaded", $args );

            UM()->shortcodes()->template_load( $template, $args );

            if ( ! is_admin() && ! defined( 'DOING_AJAX' ) ) {
                UM()->shortcodes()->dynamic_css( $args );
            }

            $output = ob_get_contents();
            ob_end_clean();
            return $output;

        }

    }
}