<?php

declare(strict_types=1);

namespace LinkCheckup\Features\Scanning;

use LinkCheckup\Shared\Jobs\JobTask;
use LinkCheckup\Shared\Scan\ScanRunState;
use LinkCheckup\Shared\Scan\ScanStateStore;
use LinkCheckup\Shared\Settings\SettingsStore;
use LinkCheckup\Shared\Time\Clock;

final class FullScanTask implements JobTask {

	private const NOTHING_STARTED = 0;
	private const SCAN_STARTED    = 1;

	public function __construct(
		private ScanStateStore $scan_state_store,
		private SettingsStore $settings_store,
		private QuietHours $quiet_hours,
		private ScanStarter $scan_starter,
		private Clock $clock
	) {
	}

	public function run(): int {
		$state = $this->scan_state_store->load();

		if ( ScanRunState::Idle !== $state->run_state ) {
			return self::NOTHING_STARTED;
		}

		$is_allowed_now = $this->quiet_hours->allows_full_scan_at(
			$this->settings_store->load(),
			$this->clock->now()
		);

		if ( ! $is_allowed_now ) {
			return self::NOTHING_STARTED;
		}

		$this->scan_starter->start( $state );

		return self::SCAN_STARTED;
	}
}