<?php

declare(strict_types=1);

namespace LinkCheckup\Features\Scanning;

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

final class ScanStarter {

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

	public function start( ScanState $current_state ): void {
		$this->scan_links->mark_all_due();

		$started_state = $this->transitions->started(
			$current_state,
			$this->clock->now()
		);

		$this->scan_state_store->save( $started_state );
	}
}