<?php

declare(strict_types=1);

namespace LinkCheckup\Features\Scanning;

use LinkCheckup\Shared\DataVersion;
use LinkCheckup\Shared\Scan\ScanState;
use LinkCheckup\Shared\Scan\ScanStateStore;
use LinkCheckup\Shared\Time\Clock;

final class ScanFinisher {

	public function __construct(
		private ScanLinks $scan_links,
		private ScanStateStore $scan_state_store,
		private ScanTransitions $transitions,
		private DataVersion $data_version,
		private Clock $clock
	) {
	}

	public function finish_when_checked( ScanState $state ): void {
		$now = $this->clock->now();

		$this->scan_links->recheck_unconfirmed();

		$unfinished = $this->scan_links->unfinished_total(
			(int) $state->started_at,
			$now
		);

		if ( 0 < $unfinished ) {
			return;
		}

		$finished_state = $this->transitions->finished( $state, $now );

		$this->scan_state_store->save( $finished_state );
		$this->data_version->bump();
	}
}