<?php

class SwpmInitTimeTasks {

    public function __construct() {
        
    }

    public function do_init_tasks() {

        //Set up localisation. First loaded ones will override strings present in later loaded file.
        //Allows users to have a customized language in a different folder.
        $locale = apply_filters('plugin_locale', get_locale(), 'simple-membership');
        load_textdomain('simple-membership', WP_LANG_DIR . "/simple-membership-$locale.mo");
        load_plugin_textdomain('simple-membership', false, SIMPLE_WP_MEMBERSHIP_DIRNAME . '/languages/');

        if (!isset($_COOKIE['swpm_session'])) { // give a unique ID to current session.
            $uid = md5(microtime());
            $_COOKIE['swpm_session'] = $uid; // fake it for current session/
            setcookie('swpm_session', $uid, 0, '/');
        }

        //Crete the custom post types
        $this->create_post_type();

        //Do frontend-only init time tasks
        if (!is_admin()) {
            SwpmAuth::get_instance();

            $this->check_and_handle_auto_login();
            $this->verify_and_delete_account();

            $swpm_logout = filter_input(INPUT_GET, 'swpm-logout');
            if (!empty($swpm_logout)) {
                SwpmAuth::get_instance()->logout();
                $redirect_url = apply_filters('swpm_after_logout_redirect_url', SIMPLE_WP_MEMBERSHIP_SITE_HOME_URL);
                wp_redirect(trailingslashit($redirect_url));
                exit(0);
            }
            $this->process_password_reset();
            $this->register_member();
            $this->check_and_do_email_activation();
            $this->edit_profile();
            SwpmCommentFormRelated::check_and_restrict_comment_posting_to_members();
        } else {
            //Do admin side init time tasks
            if (current_user_can(SWPM_MANAGEMENT_PERMISSION)) {
                //Admin dashboard side stuff
                $this->admin_init();
            }
        }
    }

    public function admin_init() {
        $createswpmuser = filter_input(INPUT_POST, 'createswpmuser');
        if (!empty($createswpmuser)) {
            SwpmAdminRegistration::get_instance()->register_admin_end();
        }
        $editswpmuser = filter_input(INPUT_POST, 'editswpmuser');
        if (!empty($editswpmuser)) {
            $id = filter_input(INPUT_GET, 'member_id', FILTER_VALIDATE_INT);
            SwpmAdminRegistration::get_instance()->edit_admin_end($id);
        }
        $createswpmlevel = filter_input(INPUT_POST, 'createswpmlevel');
        if (!empty($createswpmlevel)) {
            SwpmMembershipLevel::get_instance()->create_level();
        }
        $editswpmlevel = filter_input(INPUT_POST, 'editswpmlevel');
        if (!empty($editswpmlevel)) {
            $id = filter_input(INPUT_GET, 'id');
            SwpmMembershipLevel::get_instance()->edit_level($id);
        }
        $update_category_list = filter_input(INPUT_POST, 'update_category_list');
        if (!empty($update_category_list)) {
            include_once('class.swpm-category-list.php');
            SwpmCategoryList::update_category_list();
        }
        $update_post_list = filter_input(INPUT_POST, 'update_post_list');
        if (!empty($update_post_list)) {
            include_once('class.swpm-post-list.php');
            SwpmPostList::update_post_list();
        }
    }

    public function create_post_type() {
        //The payment button data for membership levels will be stored using this CPT
        register_post_type('swpm_payment_button', array(
            'public' => false,
            'publicly_queryable' => false,
            'show_ui' => false,
            'query_var' => false,
            'rewrite' => false,
            'capability_type' => 'page',
            'has_archive' => false,
            'hierarchical' => false,
            'supports' => array('title', 'editor')
        ));

        //Transactions will be stored using this CPT in parallel with swpm_payments_tbl DB table
        $args = array(
            'supports'         => array(''),
            'hierarchical'         => false,
            'public'         => false,
            'show_ui'         => false,
            'can_export'         => false,
            'has_archive'         => false,
            'exclude_from_search'     => true,
            'publicly_queryable'     => false,
            'capability_type'     => 'post',
        );
        register_post_type('swpm_transactions', $args);
    }

    private function verify_and_delete_account() {
        include_once(SIMPLE_WP_MEMBERSHIP_PATH . 'classes/class.swpm-members.php');
        $delete_account = filter_input(INPUT_GET, 'swpm_delete_account');
        if (empty($delete_account)) {
            return;
        }
        $password = filter_input(INPUT_POST, 'account_delete_confirm_pass', FILTER_UNSAFE_RAW);

        $auth = SwpmAuth::get_instance();
        if (!$auth->is_logged_in()) {
            return;
        }
        if (empty($password)) {
            SwpmUtils::account_delete_confirmation_ui();
        }

        $nonce_field = filter_input(INPUT_POST, 'account_delete_confirm_nonce');
        if (empty($nonce_field) || !wp_verify_nonce($nonce_field, 'swpm_account_delete_confirm')) {
            SwpmUtils::account_delete_confirmation_ui(SwpmUtils::_("Sorry, Nonce verification failed."));
        }
        if ($auth->match_password($password)) {
            $auth->delete();
            wp_safe_redirect(get_home_url());
            exit(0);
        } else {
            SwpmUtils::account_delete_confirmation_ui(SwpmUtils::_("Sorry, Password didn't match."));
        }
    }

    public function process_password_reset() {
        $message = "";
        $swpm_reset = filter_input(INPUT_POST, 'swpm-reset');
        $swpm_reset_email = filter_input(INPUT_POST, 'swpm_reset_email', FILTER_UNSAFE_RAW);
        if (!empty($swpm_reset)) {
            SwpmFrontRegistration::get_instance()->reset_password($swpm_reset_email);
        }
    }

    private function register_member() {
        $registration = filter_input(INPUT_POST, 'swpm_registration_submit');
        if (!empty($registration)) {
            SwpmFrontRegistration::get_instance()->register_front_end();
        }
    }

    private function check_and_do_email_activation() {
        $email_activation = filter_input(INPUT_GET, 'swpm_email_activation', FILTER_SANITIZE_NUMBER_INT);
        if (!empty($email_activation)) {
            SwpmFrontRegistration::get_instance()->email_activation();
        }
        //also check activation email resend request
        $email_activation_resend = filter_input(INPUT_GET, 'swpm_resend_activation_email', FILTER_SANITIZE_NUMBER_INT);
        if (!empty($email_activation_resend)) {
            SwpmFrontRegistration::get_instance()->resend_activation_email();
        }
    }

    private function edit_profile() {
        $swpm_editprofile_submit = filter_input(INPUT_POST, 'swpm_editprofile_submit');
        if (!empty($swpm_editprofile_submit)) {
            SwpmFrontRegistration::get_instance()->edit_profile_front_end();
            //TODO - allow an option to do a redirect if successful edit profile form submission?
        }
    }

    public function check_and_handle_auto_login() {

        if (isset($_REQUEST['swpm_auto_login']) && $_REQUEST['swpm_auto_login'] == '1') {
            //Handle the auto login
            SwpmLog::log_simple_debug("Handling auto login request...", true);

            $enable_auto_login = SwpmSettings::get_instance()->get_value('auto-login-after-rego');
            if (empty($enable_auto_login)) {
                SwpmLog::log_simple_debug("Auto login after registration feature is disabled in settings.", true);
                return;
            }

            //Check auto login nonce value
            $auto_login_nonce = isset($_REQUEST['swpm_auto_login_nonce']) ? $_REQUEST['swpm_auto_login_nonce'] : '';
            if (!wp_verify_nonce($auto_login_nonce, 'swpm-auto-login-nonce')) {
                SwpmLog::log_simple_debug("Error! Auto login nonce verification check failed!", false);
                wp_die("Auto login nonce verification check failed!");
            }

            //Perform the login
            $auth = SwpmAuth::get_instance();
            $user = apply_filters('swpm_user_name', filter_input(INPUT_GET, 'swpm_user_name'));
            $user = sanitize_user($user);
            $encoded_pass = filter_input(INPUT_GET, 'swpm_encoded_pw');
            $pass = base64_decode($encoded_pass);
            $auth->login($user, $pass);
            SwpmLog::log_simple_debug("Auto login request completed for: " . $user, true);
        }
    }

}