<?php

declare(strict_types=1);

namespace MiniShop\Tests\Contract\Sales\v1;

use MiniShop\Contracts\Sales\V1\Api\OrderView;
use PHPUnit\Framework\TestCase;

/**
 * Tests de stabilite du contrat sales.v1.OrderView.
 */
final class OrderViewSchemaTest extends TestCase
{
    public function test_contract_has_required_fields(): void
    {
        $view = new OrderView(
            orderId: 'order-001',
            customerId: 'cust-001',
            status: 'confirmed',
            totalInCents: 5500,
            currency: 'EUR',
            lines: [
                ['productName' => 'Widget', 'quantity' => 2, 'unitPriceInCents' => 1500, 'currency' => 'EUR', 'lineTotalInCents' => 3000],
            ],
        );

        self::assertSame('order-001', $view->orderId);
        self::assertSame('confirmed', $view->status);
        self::assertSame(5500, $view->totalInCents);
        self::assertCount(1, $view->lines);
    }

    public function test_contract_serializes_to_stable_json(): void
    {
        $view = new OrderView(
            orderId: 'order-001',
            customerId: 'cust-001',
            status: 'placed',
            totalInCents: 3000,
            currency: 'EUR',
            lines: [
                ['productName' => 'Widget', 'quantity' => 2, 'unitPriceInCents' => 1500, 'currency' => 'EUR', 'lineTotalInCents' => 3000],
            ],
        );

        $json = json_encode($view, JSON_THROW_ON_ERROR);
        $decoded = json_decode($json, true, flags: JSON_THROW_ON_ERROR);

        self::assertArrayHasKey('orderId', $decoded);
        self::assertArrayHasKey('customerId', $decoded);
        self::assertArrayHasKey('status', $decoded);
        self::assertArrayHasKey('totalInCents', $decoded);
        self::assertArrayHasKey('currency', $decoded);
        self::assertArrayHasKey('lines', $decoded);
    }
}