<?php

declare(strict_types=1);

namespace Tests\Unit\Domain\Enums;

use Domain\Enums\TaxRate;
use Money\Currency;
use Money\Money;

describe('TaxRateEnum', function () {
    it('returns correct percent', function () {
        // GIVEN
        $tax20 = TaxRate::TVA_20;
        $tax55 = TaxRate::TVA_5_5;

        // WHEN
        $percent20 = $tax20->percent();
        $percent55 = $tax55->percent();

        // THEN
        expect($percent20)->toBe(20.0)
            ->and($percent55)->toBe(5.5);
    });

    it('returns correct rate', function () {
        // GIVEN
        $tax20 = TaxRate::TVA_20;
        $tax55 = TaxRate::TVA_5_5;

        // WHEN
        $rate20 = $tax20->rate();
        $rate55 = $tax55->rate();

        // THEN
        expect($rate20)->toBe(0.2)
            ->and($rate55)->toBe(0.055);
    });

    it('applies tax correctly to money', function () {
        // GIVEN
        $price = new Money(10000, new Currency('EUR')); // 100.00 EUR
        $tax20 = TaxRate::TVA_20;
        $tax55 = TaxRate::TVA_5_5;

        // WHEN
        $amountWithTax20 = $tax20->applyTo($price)->getAmount();
        $amountWithTax55 = $tax55->applyTo($price)->getAmount();

        // THEN
        expect($amountWithTax20)->toBe('12000') // 120.00 EUR
            ->and($amountWithTax55)->toBe('10550'); // 105.50 EUR
    });
});