<?php
/**
 * Plugin bootstrap and lifecycle hooks.
 *
 * @package AdminWatch
 */

defined( 'ABSPATH' ) || exit;

class WebStudio_Admin_Watch_Plugin {
	/** @var WebStudio_Admin_Watch_Plugin|null */
	private static $instance = null;

	/** @return WebStudio_Admin_Watch_Plugin */
	public static function instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/** Register runtime functionality. */
	private function __construct() {
		require_once ADMIN_WATCH_DIR . 'includes/class-login-monitor.php';
		require_once ADMIN_WATCH_DIR . 'includes/class-password-monitor.php';
		require_once ADMIN_WATCH_DIR . 'includes/class-mfa-detector.php';
		require_once ADMIN_WATCH_DIR . 'includes/class-session-visibility.php';
		require_once ADMIN_WATCH_DIR . 'includes/class-activity-events.php';
		require_once ADMIN_WATCH_DIR . 'database/class-activity-repository.php';
		require_once ADMIN_WATCH_DIR . 'monitoring/class-activity-logger.php';
		require_once ADMIN_WATCH_DIR . 'database/class-404-repository.php';
		require_once ADMIN_WATCH_DIR . 'monitoring/class-404-logger.php';
		require_once ADMIN_WATCH_DIR . 'includes/class-privacy.php';

		( new WebStudio_Admin_Watch_Login_Monitor() )->register();
		( new WebStudio_Admin_Watch_Password_Monitor() )->register();
		( new WebStudio_Admin_Watch_404_Logger() )->register();
		( new WebStudio_Admin_Watch_Privacy() )->register();
		( new WebStudio_Admin_Watch_Activity_Logger() )->register();

		add_action( 'init', array( $this, 'maybe_upgrade' ), 1 );
		add_action( 'admin_watch_cleanup_404s', array( $this, 'cleanup' ) );

		if ( is_admin() ) {
			require_once ADMIN_WATCH_DIR . 'admin/class-admin.php';
			( new WebStudio_Admin_Watch_Admin() )->register();
		}
	}

	/** Upgrade once after a plugin schema change. */
	public function maybe_upgrade() {
		if ( WebStudio_Admin_Watch_404_Repository::DB_VERSION !== get_option( 'admin_watch_db_version' ) ) {
			WebStudio_Admin_Watch_404_Repository::install();
		}
		if ( WebStudio_Admin_Watch_Activity_Repository::DB_VERSION !== get_option( 'admin_watch_activity_db_version' ) ) {
			WebStudio_Admin_Watch_Activity_Repository::install();
			$settings = WebStudio_Admin_Watch_Activity_Repository::settings();
			update_option( 'admin_watch_settings', $settings );
			if ( ! wp_next_scheduled( 'admin_watch_cleanup_404s' ) ) {
				wp_schedule_event( time() + HOUR_IN_SECONDS, 'daily', 'admin_watch_cleanup_404s' );
			}
		}
	}

	/** Apply the configured retention period. */
	public function cleanup() {
		$settings = get_option( 'admin_watch_settings', array() );
		$days     = is_array( $settings ) && isset( $settings['retention_days'] ) ? $settings['retention_days'] : 30;

		( new WebStudio_Admin_Watch_404_Repository() )->cleanup( $days );
		$settings = WebStudio_Admin_Watch_Activity_Repository::settings();
		if ( WebStudio_Admin_Watch_Activity_Repository::DB_VERSION === get_option( 'admin_watch_activity_db_version' ) ) {
			( new WebStudio_Admin_Watch_Activity_Repository() )->cleanup( $settings['activity_retention_days'] );
		}
	}
}