<?php
/**
 * Event summary provider.
 *
 * @package ZeroSpamForms
 */

namespace TwoOTwoCode\ZeroSpamForms\Logging;

defined( 'ABSPATH' ) || exit;

use TwoOTwoCode\ZeroSpamForms\Core\Settings\SettingsRepository;

/**
 * Counts real stored events inside the retention window.
 */
final class EventSummaryProvider {
	/**
	 * Event store.
	 *
	 * @var EventStoreInterface
	 */
	private $event_store;

	/**
	 * Settings repository.
	 *
	 * @var SettingsRepository
	 */
	private $settings_repository;

	/**
	 * Retention service.
	 *
	 * @var EventRetentionService
	 */
	private $retention_service;

	/**
	 * Constructor.
	 *
	 * @param EventStoreInterface        $event_store         Event store.
	 * @param SettingsRepository         $settings_repository Settings repository.
	 * @param EventRetentionService|null $retention_service   Retention service.
	 */
	public function __construct( EventStoreInterface $event_store, SettingsRepository $settings_repository, ?EventRetentionService $retention_service = null ) {
		$this->event_store         = $event_store;
		$this->settings_repository = $settings_repository;
		$this->retention_service   = $retention_service instanceof EventRetentionService ? $retention_service : new EventRetentionService();
	}

	/**
	 * Get summary counts.
	 *
	 * @return array{allowed:int,blocked:int,suspicious:int,total:int}
	 */
	public function get_summary(): array {
		$settings = $this->settings_repository->get_settings();
		$events   = $this->retention_service->filter_events(
			$this->event_store->get_events(),
			(int) $settings['event_retention_days'],
			(int) $settings['max_event_records']
		);
		$summary  = array(
			'allowed'    => 0,
			'blocked'    => 0,
			'suspicious' => 0,
			'total'      => 0,
		);

		foreach ( $events as $event ) {
			if ( SpamEvent::ACTION_BLOCKED === $event->get_action() ) {
				++$summary['blocked'];
				++$summary['total'];
			} elseif ( SpamEvent::ACTION_SUSPICIOUS === $event->get_action() ) {
				++$summary['suspicious'];
				++$summary['total'];
			} elseif ( SpamEvent::ACTION_ALLOWED === $event->get_action() && ! empty( $settings['log_allowed_events'] ) ) {
				++$summary['allowed'];
				++$summary['total'];
			}
		}

		return $summary;
	}
}