<?php

declare(strict_types=1);

namespace PrettyLinks\GroundLevel\InProductNotifications\Services;

use PrettyLinks\GroundLevel\InProductNotifications\Util as IPNUtil;

/**
 * Cleaner service for removing expired notifications.
 */
class Cleaner extends ScheduledService
{
    /**
     * The store service.
     *
     * @var Store
     */
    protected Store $store;

    /**
     * Constructor.
     *
     * @param IPNUtil $util  The IPN utility service.
     * @param Store   $store The store service.
     */
    public function __construct(IPNUtil $util, Store $store)
    {
        $this->store = $store;
        parent::__construct($util);
    }

    /**
     * Retrieves the hook name for the event action.
     *
     * @return string
     */
    protected function eventName(): string
    {
        return 'clean';
    }

    /**
     * Retrieves notifications from the Mothership API and stores them in the database.
     */
    public function performEvent(): void
    {
        $hasChanges = false;

        foreach ($this->store->fetch(true)->notifications(false) as $notification) {
            if ($notification->isExpired() || $notification->isStale()) {
                $this->store->delete($notification->id);
                $hasChanges = true;
            }
        }

        if ($hasChanges) {
            $this->store->persist();
        }
    }
}
