<?php

namespace MMT\DDDSharedKernel\ValueObjects;

final class Money extends ValueObject
{

    public function __construct(
        public private(set) int $amount,
        public private(set) string $currency
    )
    {

    }

    public function __toString() : string
    {
        $amount = $this->toFloat();

        return $this->isPositive()
            ? "{$this->currency} {$amount}"
            : "-{$this->currency} {-$amount}";
    }

    public function toFloat() : float
    {
        return round($this->amount /100, 2);
    }

    public function formatted() : string
    {
        $amount = $this->toFloat();

        return $this->isPositive()
            ? "\${$amount}"
            : "-\${-$amount}"; 
    }

    public function isPositive() : bool
    {
        return $this->amount >= 0;
    }

    public function isNegative() : bool
    {
        return $this->amount < 0;
    }

    public function isZero() : bool
    {
        return $this->amount === 0;
    }

    public function greaterThan(Money $other) : bool
    {
        return $this->amount > $other->amount;
    }

    public function greaterThanOrEqual(Money $other) : bool
    {
        return $this->amount >= $other->amount;
    }

    public function lessThan(Money $other) : bool
    {
        return $this->amount < $other->amount;
    }

    public function lessThanOrEqual(Money $other) : bool
    {
        return $this->amount <= $other->amount;
    }
}