<?php
/**
 * Main plugin loader.
 *
 * @package Leafcap_Revision_Limits
 */

namespace Leafcap_Revision_Limits;

defined( 'ABSPATH' ) || exit;

/**
 * Wires the plugin's classes to WordPress.
 */
final class Plugin {

	/**
	 * Shared instance.
	 *
	 * @var Plugin|null
	 */
	private static $instance = null;

	/**
	 * Returns the shared instance.
	 *
	 * @return Plugin
	 */
	public static function instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Registers hooks. The screen's hooks load only in the admin.
	 *
	 * Nothing runs on activation or deactivation. Deactivating removes the
	 * filter and keeps the settings, so core behaviour returns by itself.
	 *
	 * @return void
	 */
	public function register_hooks() {
		$settings = new Settings();
		$settings->register_hooks();

		$limiter = new Limiter();
		$limiter->register_hooks();

		if ( is_admin() ) {
			$admin = new Admin();
			$admin->register_hooks();
		}
	}
}