<?php declare(strict_types=1);
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Event\Telemetry;

use function sprintf;

/**
 * @immutable
 *
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
 */
final readonly class Info
{
    private Snapshot $current;
    private Duration $durationSinceStart;
    private MemoryUsage $memorySinceStart;
    private Duration $durationSincePrevious;
    private MemoryUsage $memorySincePrevious;

    /**
     * @internal This method is not covered by the backward compatibility promise for PHPUnit
     */
    public function __construct(Snapshot $current, Duration $durationSinceStart, MemoryUsage $memorySinceStart, Duration $durationSincePrevious, MemoryUsage $memorySincePrevious)
    {
        $this->current               = $current;
        $this->durationSinceStart    = $durationSinceStart;
        $this->memorySinceStart      = $memorySinceStart;
        $this->durationSincePrevious = $durationSincePrevious;
        $this->memorySincePrevious   = $memorySincePrevious;
    }

    public function time(): HRTime
    {
        return $this->current->time();
    }

    public function memoryUsage(): MemoryUsage
    {
        return $this->current->memoryUsage();
    }

    public function peakMemoryUsage(): MemoryUsage
    {
        return $this->current->peakMemoryUsage();
    }

    public function durationSinceStart(): Duration
    {
        return $this->durationSinceStart;
    }

    public function memoryUsageSinceStart(): MemoryUsage
    {
        return $this->memorySinceStart;
    }

    public function durationSincePrevious(): Duration
    {
        return $this->durationSincePrevious;
    }

    public function memoryUsageSincePrevious(): MemoryUsage
    {
        return $this->memorySincePrevious;
    }

    public function garbageCollectorStatus(): GarbageCollectorStatus
    {
        return $this->current->garbageCollectorStatus();
    }

    public function asString(): string
    {
        return sprintf(
            '[%s / %s] [%d bytes]',
            $this->durationSinceStart()->asString(),
            $this->durationSincePrevious()->asString(),
            $this->peakMemoryUsage()->bytes(),
        );
    }
}
