<?php

namespace Yipresser\AdminOptimizer\Modules;

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

/**
 * Block Admin Access class
 */
class Block_Admin_Access {
	const OPTION_NAME = 'adminoptim_block_admin_access';

	/**
	 * User Options
	 *
	 * @var false|mixed|null
	 */
	protected $options;

	/**
	 * Settings class
	 *
	 * @var Block_Login_Settings
	 */
	protected $settings;

	const MODULE_URL = ADMINOPTIMIZER_MODULES_URI . 'block-admin-access/';

	const MODULE_PATH = ADMINOPTIMIZER_MODULES_PATH . 'block-admin-access/';

	const MENU_SLUG = 'adminoptimizer-block-admin-access';

	/**
	 * Constructor
	 */
	public function __construct() {
		$this->options = get_option( self::OPTION_NAME, [] );
		$this->init();
	}

	/**
	 * Start the engine running
	 *
	 * @return void
	 */
	private function init() {
		$this->settings = new Block_Admin_Access_Settings( $this->options );
		add_action( 'adminoptimizer_add_submenu_page', [ $this, 'add_submenu_page' ] );
		add_action( 'admin_init', [ $this, 'block_admin_access' ] );
	}

	/**
	 * Block admin access for specified roles
	 *
	 * @return void
	 */
	public function block_admin_access() {
		if ( wp_doing_ajax() ) {
			return;
		}

		$user = wp_get_current_user();
		if ( ! $user || ! $user->exists() ) {
			return;
		}

		if ( isset( $this->options['block_user_roles'] ) && is_array( $this->options['block_user_roles'] ) ) {
			$roles     = $user->roles;
			if ( in_array( 'administrator', $roles, true ) ) { // Don't block admin.
				return;
			}
			$intersect = array_intersect( $roles, $this->options['block_user_roles'] );
			if ( ! empty( $intersect ) ) {
				$redirect_url = ! empty( $this->options['block_redirect'] ) ? $this->options['block_redirect'] : home_url();
				wp_safe_redirect( $redirect_url );
				exit;
			}
		}
	}

	/**
	 * Add submenu to WP Menu page
	 *
	 * @return void
	 */
	public function add_submenu_page() {
		add_submenu_page( ADMINOPTIMIZER_MODULES_MENU_SLUG, __( 'Block Admin Access', 'admin-optimizer' ), __( 'Block Admin Access', 'admin-optimizer' ), 'manage_options', self::MENU_SLUG, [ $this->settings, 'render_settings_page' ] );
	}
}