<?php
/**
 * Lightweight logger.
 *
 * @package Aivexa
 */

declare(strict_types=1);

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

/**
 * Plugin logger.
 */
class Aivexa_Logger {

	/**
	 * Log an event.
	 *
	 * @param string               $event   Event name.
	 * @param array<string, mixed> $context Context.
	 */
	public static function log( string $event, array $context = array() ): void {
		if ( ! Aivexa_Settings::get( 'logging_enabled', false ) ) {
			return;
		}

		$context = Aivexa_Security::redact_sensitive( $context );

		$entry = array(
			'timestamp' => gmdate( 'c' ),
			'event'     => sanitize_key( $event ),
			'context'   => $context,
		);

		$logs = get_option( 'aivexa_logs', array() );
		if ( ! is_array( $logs ) ) {
			$logs = array();
		}

		$logs[] = $entry;

		if ( count( $logs ) > 100 ) {
			$logs = array_slice( $logs, -100 );
		}

		update_option( 'aivexa_logs', $logs, false );
	}

	/**
	 * Get recent logs.
	 *
	 * @return array<int, array<string, mixed>>
	 */
	public static function get_logs(): array {
		$logs = get_option( 'aivexa_logs', array() );
		return is_array( $logs ) ? $logs : array();
	}
}