keuangan/app/Domains/System/Support/ValueObjects/Money.php

<?php

namespace App\Domains\System\Support\ValueObjects;

use InvalidArgumentException;
use Livewire\Wireable;
use NumberFormatter;
use Stringable;

readonly class Money implements Stringable, Wireable
{
    public function __construct(private int $amount)
    {
        if ($this->amount < 0) {
            throw new InvalidArgumentException('Money cannot be negative.');
        }
    }

    /**
     * Format the money into a selected currency string.
     */
    public function format(string $currency = 'IDR'): string
    {
        $format = new NumberFormatter(app()->getLocale(), NumberFormatter::CURRENCY);

        return $format->formatCurrency($this->amount, $currency);
    }

    public function toInt(): int
    {
        return $this->amount;
    }

    /**
     * Automatically format when echoed in Blade (e.g., {{ $model->amount }}).
     */
    public function __toString(): string
    {
        return $this->format();
    }

    /**
     * @return mixed
     */
    public function toLivewire(): mixed
    {
        return [
            'amount' => $this->amount,
        ];
    }

    /**
     * @param $value
     * @return self
     */
    public static function fromLivewire($value): static
    {
        return new static($value['amount']);
    }
}