<?php
/**
 * Main plugin container.
 *
 * @package Keepwatch
 */

namespace Keepwatch;

defined( 'ABSPATH' ) || exit;

/**
 * Registers hooks. Nothing here performs remote requests on frontend page loads.
 */
final class Plugin {

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

	/**
	 * Whether boot() already ran.
	 *
	 * @var bool
	 */
	private $booted = false;

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

	/**
	 * Register hooks once.
	 */
	public function boot(): void {
		if ( $this->booted ) {
			return;
		}
		$this->booted = true;

		// WordPress.org builds rely on translate.wordpress.org language packs, loaded by WordPress itself.
		// Only the CodeCanyon build ships its own .mo files; that file is left out of the wordpress.org package.
		if ( Distribution::is_codecanyon() && class_exists( BundledTranslations::class ) ) {
			BundledTranslations::register();
		}

		// Fatal errors are recorded on every request (front end too); this is local only, no remote calls.
		( new Errors\FatalErrorRecorder( new Errors\ErrorStore() ) )->register();

		( new Security\Monitor( new Security\EventStore() ) )->register();

		// Plugin/theme/core changes, so a new fatal error can be linked to the update before it (local).
		( new Changes\ChangeLog() )->register();

		// Store checks only switch on when WooCommerce is active; the core works without it.
		( new WooCommerce\Module() )->register();

		( new Mail\WeeklyEmail() )->register();
		( new Mail\CriticalAlert() )->register();

		// Only answers while an admin's connect request is running (see Cloud\VerifyEndpoint).
		( new Cloud\VerifyEndpoint() )->register();
		Cloud\Reporter::register();
		Cloud\RemoteConfig::register();

		if ( is_admin() ) {
			( new Admin\ConnectionPanel() )->register();
			// Upgrade path: align cron events with settings (admin only, never on front-end requests).
			add_action( 'admin_init', array( Settings::class, 'on_admin_init' ) );
			add_action( 'admin_init', array( Cloud\Reporter::class, 'sync' ) );
			( new Admin\Menu() )->register();
			( new Admin\DashboardWidget() )->register();
		}
	}
}