<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace DeliciousBrains\WP_Offload_SES\Symfony\Component\Clock;

use DeliciousBrains\WP_Offload_SES\Psr\Clock\ClockInterface as PsrClockInterface;
/**
 * A global clock.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 */
final class Clock implements ClockInterface
{
    private static ClockInterface $globalClock;
    public function __construct(private readonly ?PsrClockInterface $clock = null, private ?\DateTimeZone $timezone = null)
    {
    }
    /**
     * Returns the current global clock.
     *
     * Note that you should prefer injecting a ClockInterface or using
     * ClockAwareTrait when possible instead of using this method.
     */
    public static function get() : ClockInterface
    {
        return self::$globalClock ??= new NativeClock();
    }
    public static function set(PsrClockInterface $clock) : void
    {
        self::$globalClock = $clock instanceof ClockInterface ? $clock : new self($clock);
    }
    public function now() : DatePoint
    {
        $now = ($this->clock ?? self::get())->now();
        if (!$now instanceof DatePoint) {
            $now = DatePoint::createFromInterface($now);
        }
        return isset($this->timezone) ? $now->setTimezone($this->timezone) : $now;
    }
    public function sleep(float|int $seconds) : void
    {
        $clock = $this->clock ?? self::get();
        if ($clock instanceof ClockInterface) {
            $clock->sleep($seconds);
        } else {
            (new NativeClock())->sleep($seconds);
        }
    }
    /**
     * @throws \DateInvalidTimeZoneException When $timezone is invalid
     */
    public function withTimeZone(\DateTimeZone|string $timezone) : static
    {
        if (\PHP_VERSION_ID >= 80300 && \is_string($timezone)) {
            $timezone = new \DateTimeZone($timezone);
        } elseif (\is_string($timezone)) {
            try {
                $timezone = new \DateTimeZone($timezone);
            } catch (\Exception $e) {
                throw new \DeliciousBrains\WP_Offload_SES\DateInvalidTimeZoneException($e->getMessage(), $e->getCode(), $e);
            }
        }
        $clone = clone $this;
        $clone->timezone = $timezone;
        return $clone;
    }
}
