<?php
namespace MazlanHalim\IntelliLanz\Analysis;

final class AcknowledgementStore {
    public const OPTION = 'intellilanz_acknowledgements_v1';

    public function all(): array { $value = get_option( self::OPTION, array() ); return is_array( $value ) ? $value : array(); }
    public function acknowledge( string $key, int $severity, ?int $days, int $user_id ): array {
        $items = $this->all(); $now = time();
        $items[ $key ] = array( 'until' => $days === null ? null : $now + max( 1, $days ) * ( defined( 'DAY_IN_SECONDS' ) ? DAY_IN_SECONDS : 86400 ), 'acknowledged_at' => $now, 'acknowledged_by' => $user_id, 'severity' => max( 0, min( 3, $severity ) ) );
        update_option( self::OPTION, $items, false );
        return $items[ $key ];
    }
    public function clear( string $key ): void { $items = $this->all(); unset( $items[ $key ] ); update_option( self::OPTION, $items, false ); }
}