<?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 Symfony\Component\VarDumper\Caster;

use Symfony\Component\VarDumper\Cloner\Stub;

/**
 * Casts DateTimeInterface related classes to array representation.
 *
 * @author Dany Maillard <danymaillard93b@gmail.com>
 *
 * @final
 */
class DateCaster
{
    private const PERIOD_LIMIT = 3;

    public static function castDateTime(\DateTimeInterface $d, array $a, Stub $stub, bool $isNested, int $filter): array
    {
        $prefix = Caster::PREFIX_VIRTUAL;
        $location = $d->getTimezone() ? $d->getTimezone()->getLocation() : null;
        $fromNow = (new \DateTimeImmutable())->diff($d);

        $title = $d->format('l, F j, Y')
            ."\n".self::formatInterval($fromNow).' from now'
            .($location ? ($d->format('I') ? "\nDST On" : "\nDST Off") : '')
        ;

        unset(
            $a[Caster::PREFIX_DYNAMIC.'date'],
            $a[Caster::PREFIX_DYNAMIC.'timezone'],
            $a[Caster::PREFIX_DYNAMIC.'timezone_type']
        );
        $a[$prefix.'date'] = new ConstStub(self::formatDateTime($d, $location ? ' e (P)' : ' P'), $title);

        $stub->class .= $d->format(' @U');

        return $a;
    }

    public static function castInterval(\DateInterval $interval, array $a, Stub $stub, bool $isNested, int $filter): array
    {
        $now = new \DateTimeImmutable('@0', new \DateTimeZone('UTC'));
        $numberOfSeconds = $now->add($interval)->getTimestamp() - $now->getTimestamp();
        $title = number_format($numberOfSeconds, 0, '.', ' ').'s';

        $i = [Caster::PREFIX_VIRTUAL.'interval' => new ConstStub(self::formatInterval($interval), $title)];

        return $filter & Caster::EXCLUDE_VERBOSE ? $i : $i + $a;
    }

    private static function formatInterval(\DateInterval $i): string
    {
        $format = '%R ';

        if (0 === $i->y && 0 === $i->m && ($i->h >= 24 || $i->i >= 60 || $i->s >= 60)) {
            $d = new \DateTimeImmutable('@0', new \DateTimeZone('UTC'));
            $i = $d->diff($d->add($i)); // recalculate carry over points
            $format .= 0 < $i->days ? '%ad ' : '';
        } else {
            $format .= ($i->y ? '%yy ' : '').($i->m ? '%mm ' : '').($i->d ? '%dd ' : '');
        }

        $format .= $i->h || $i->i || $i->s || $i->f ? '%H:%I:'.self::formatSeconds($i->s, substr($i->f, 2)) : '';
        $format = '%R ' === $format ? '0s' : $format;

        return $i->format(rtrim($format));
    }

    public static function castTimeZone(\DateTimeZone $timeZone, array $a, Stub $stub, bool $isNested, int $filter): array
    {
        $location = $timeZone->getLocation();
        $formatted = (new \DateTimeImmutable('now', $timeZone))->format($location ? 'e (P)' : 'P');
        $title = $location && \extension_loaded('intl') ? \Locale::getDisplayRegion('-'.$location['country_code']) : '';

        $z = [Caster::PREFIX_VIRTUAL.'timezone' => new ConstStub($formatted, $title)];

        return $filter & Caster::EXCLUDE_VERBOSE ? $z : $z + $a;
    }

    public static function castPeriod(\DatePeriod $p, array $a, Stub $stub, bool $isNested, int $filter): array
    {
        $dates = [];
        foreach (clone $p as $i => $d) {
            if (self::PERIOD_LIMIT === $i) {
                $now = new \DateTimeImmutable('now', new \DateTimeZone('UTC'));
                $dates[] = sprintf('%s more', ($end = $p->getEndDate())
                    ? ceil(($end->format('U.u') - $d->format('U.u')) / ((int) $now->add($p->getDateInterval())->format('U.u') - (int) $now->format('U.u')))
                    : $p->recurrences - $i
                );
                break;
            }
            $dates[] = sprintf('%s) %s', $i + 1, self::formatDateTime($d));
        }

        $period = sprintf(
            'every %s, from %s%s %s',
            self::formatInterval($p->getDateInterval()),
            $p->include_start_date ? '[' : ']',
            self::formatDateTime($p->getStartDate()),
            ($end = $p->getEndDate()) ? 'to '.self::formatDateTime($end).($p->include_end_date ? ']' : '[') : 'recurring '.$p->recurrences.' time/s'
        );

        $p = [Caster::PREFIX_VIRTUAL.'period' => new ConstStub($period, implode("\n", $dates))];

        return $filter & Caster::EXCLUDE_VERBOSE ? $p : $p + $a;
    }

    private static function formatDateTime(\DateTimeInterface $d, string $extra = ''): string
    {
        return $d->format('Y-m-d H:i:'.self::formatSeconds($d->format('s'), $d->format('u')).$extra);
    }

    private static function formatSeconds(string $s, string $us): string
    {
        return sprintf('%02d.%s', $s, 0 === ($len = \strlen($t = rtrim($us, '0'))) ? '0' : ($len <= 3 ? str_pad($t, 3, '0') : $us));
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox