<?php

declare(strict_types=1);

namespace Tests\Unit;

use App\Enums\Product\ProductBillingCycle;
use PHPUnit\Framework\TestCase;

class ProductBillingCycleLabelTest extends TestCase
{
    public function test_code_is_translated_to_vietnamese_label(): void
    {
        $this->assertSame('Hàng tháng', ProductBillingCycle::vietnameseLabelFor('monthly'));
        $this->assertSame('6 tháng', ProductBillingCycle::vietnameseLabelFor('semi_annually'));
        $this->assertSame('Hàng năm', ProductBillingCycle::vietnameseLabelFor('annually'));
    }

    public function test_unknown_or_missing_code_falls_back_safely(): void
    {
        $this->assertSame('custom', ProductBillingCycle::vietnameseLabelFor('custom'));
        $this->assertSame('N/A', ProductBillingCycle::vietnameseLabelFor(null));
    }

    public function test_months_are_translated_with_fallback(): void
    {
        $this->assertSame('Hàng tháng', ProductBillingCycle::vietnameseLabelForMonths(1));
        $this->assertSame('2 năm', ProductBillingCycle::vietnameseLabelForMonths(24));
        $this->assertSame('9 tháng', ProductBillingCycle::vietnameseLabelForMonths(9));
        $this->assertSame('0 tháng', ProductBillingCycle::vietnameseLabelForMonths(0));
    }
}