<?php

namespace AIBP\Admin;

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

class Admin_Page {

    protected string $page_title = '';
    protected string $menu_title = '';
    protected string $menu_slug  = '';
    protected string $capability = 'manage_options';
    protected string $parent     = '';

    public function __construct() {
        add_action( 'admin_menu', [ $this, 'register_menu' ] );
    }

    public function register_menu(): void {
        if ( empty( $this->parent ) ) {
            add_menu_page(
                $this->page_title,
                $this->menu_title,
                $this->capability,
                $this->menu_slug,
                [ $this, 'display' ],
                'dashicons-welcome-add-page',
                2
            );
        } else {
            add_submenu_page(
                $this->parent,
                $this->page_title,
                $this->menu_title,
                $this->capability,
                $this->menu_slug,
                [ $this, 'display' ]
            );
        }
    }

    public function display(): void {
        // Override in child classes.
    }
}