<?php

namespace Akantio\Woo\Support;

defined( 'ABSPATH' ) || exit;

/**
 * Bounded ring buffer of recent connect/order events, shown on the settings
 * page so a store owner can see what the POS connection has been doing.
 */
class ActivityLog {

	public const MAX_ENTRIES = 50;

	private const OPTION_NAME = 'akantio_woo_activity_log';

	public function record( string $event, array $context = [] ): void {
		$entries = $this->all();

		array_unshift( $entries, [
			'event'   => $event,
			'context' => $context,
			'at'      => time(),
		] );

		update_option( self::OPTION_NAME, array_slice( $entries, 0, self::MAX_ENTRIES ) );
	}

	public function recent( int $limit = 20 ): array {
		return array_slice( $this->all(), 0, $limit );
	}

	private function all(): array {
		return get_option( self::OPTION_NAME, [] );
	}
}