<?php

class ITSEC_Hide_Backend_Setup {

	public function __construct() {
		add_action( 'itsec_modules_do_plugin_deactivation', array( $this, 'execute_deactivate' ) );
		add_action( 'itsec_modules_do_plugin_uninstall', array( $this, 'execute_uninstall' ) );
		add_action( 'itsec_modules_do_plugin_upgrade', array( $this, 'execute_upgrade' ) );
	}

	/**
	 * Execute module deactivation
	 *
	 * @return void
	 */
	public function execute_deactivate() {
		delete_site_transient( 'ITSEC_SHOW_HIDE_BACKEND_TOOLTIP' );
		delete_site_option( 'itsec_hide_backend_new_slug' );
	}

	/**
	 * Execute module uninstall
	 *
	 * @return void
	 */
	public function execute_uninstall() {
		$this->execute_deactivate();
		delete_site_option( 'itsec_hide_backend' );
	}

	/**
	 * Execute module upgrade
	 *
	 * @return void
	 */
	public function execute_upgrade( $itsec_old_version ) {

		if ( $itsec_old_version < 4000 ) {

			global $itsec_bwps_options;

			$current_options = get_site_option( 'itsec_hide_backend' );

			if ( false !== $current_options ) {

				$current_options['enabled']  = isset( $itsec_bwps_options['hb_enabled'] ) && $itsec_bwps_options['hb_enabled'] == 1 ? true : false;
				$current_options['register'] = isset( $itsec_bwps_options['hb_register'] ) ? sanitize_text_field( $itsec_bwps_options['hb_register'] ) : 'wp-signup.php';

				if ( $current_options['enabled'] === true ) {

					$current_options['show-tooltip'] = true;
					set_site_transient( 'ITSEC_SHOW_HIDE_BACKEND_TOOLTIP', true, 600 );

				} else {

					$current_options['show-tooltip'] = false;

				}

				$forbidden_slugs = array( 'admin', 'login', 'wp-login.php', 'dashboard', 'wp-admin', '' );

				if ( isset( $itsec_bwps_options['hb_login'] ) && ! in_array( trim( $itsec_bwps_options['hb_login'] ), $forbidden_slugs ) ) {

					$current_options['slug'] = $itsec_bwps_options['hb_login'];
					set_site_transient( 'ITSEC_SHOW_HIDE_BACKEND_TOOLTIP', true, 600 );

				} else {

					$current_options['enabled'] = false;
					set_site_transient( 'ITSEC_SHOW_HIDE_BACKEND_TOOLTIP', true, 600 );

				}

				update_site_option( 'itsec_hide_backend', $current_options );
				ITSEC_Response::regenerate_server_config();
			}
		}

		if ( $itsec_old_version < 4027 ) {

			$current_options = get_site_option( 'itsec_hide_backend' );

			if ( isset( $current_options['enabled'] ) && $current_options['enabled'] === true ) {

				add_action( 'admin_init', array( $this, 'flush_rewrite_rules' ) );

				ITSEC_Response::regenerate_server_config();

			}

		}

		if ( $itsec_old_version < 4041 ) {
			$current_options = get_site_option( 'itsec_hide_backend' );

			// If there are no current options, go with the new defaults by not saving anything
			if ( is_array( $current_options ) ) {
				// remove 'show-tooltip' which is old and not used in the new module
				unset( $current_options['show-tooltip'] );
				ITSEC_Modules::set_settings( 'hide-backend', $current_options );
			}
		}

		if ( $itsec_old_version < 4070 ) {
			delete_site_option( 'itsec_hide_backend' );
		}

		if ( $itsec_old_version < 4072 ) {
			ITSEC_Response::regenerate_server_config();
		}
	}

	/**
	 * Flush rewrite rules.
	 *
	 * @since 4.0.6
	 *
	 * @return void
	 */
	public function flush_rewrite_rules() {
		$config_file = ITSEC_Lib::get_htaccess();

		//Make sure we can write to the file
		$perms = substr( sprintf( '%o', @fileperms( $config_file ) ), - 4 );
		@chmod( $config_file, 0664 );

		flush_rewrite_rules();

		@chmod( $config_file, $perms );
	}
}

new ITSEC_Hide_Backend_Setup();
