<?php

declare(strict_types=1);

namespace MiniShop\Tests\Unit\LegacyFulfillment\Infrastructure\AntiCorruption;

use MiniShop\Contracts\Sales\V1\Event\OrderConfirmed;
use MiniShop\LegacyFulfillment\Infrastructure\AntiCorruption\LegacyShipmentAcl;
use PHPUnit\Framework\TestCase;

/**
 * Tests du mapping ACL : sales.v1.OrderConfirmed → LegacyCreateShipmentCommand.
 */
final class LegacyShipmentAclTest extends TestCase
{
    private LegacyShipmentAcl $acl;

    protected function setUp(): void
    {
        $this->acl = new LegacyShipmentAcl();
    }

    public function test_maps_order_ref_with_legacy_prefix(): void
    {
        $command = $this->acl->fromSalesOrderConfirmed($this->createMessage());

        self::assertStringStartsWith('LEG-', $command->ord_ref);
        self::assertSame('LEG-order-acl-001', $command->ord_ref);
    }

    public function test_truncates_recipient_name(): void
    {
        $message = new OrderConfirmed(
            orderId: 'order-001',
            customerId: 'very-long-customer-id-that-exceeds-thirty-five-characters-limit',
            totalInCents: 1000,
            currency: 'EUR',
            lines: [['productName' => 'X', 'quantity' => 1, 'unitPriceInCents' => 1000, 'currency' => 'EUR']],
        );

        $command = $this->acl->fromSalesOrderConfirmed($message);

        self::assertLessThanOrEqual(35, mb_strlen($command->rcpt_nm));
    }

    public function test_calculates_weight_from_line_count(): void
    {
        $command = $this->acl->fromSalesOrderConfirmed($this->createMessage(lineCount: 3));

        self::assertSame(1500, $command->wgt_g); // 3 * 500g
    }

    public function test_minimum_weight_is_100g(): void
    {
        $command = $this->acl->fromSalesOrderConfirmed($this->createMessage(lineCount: 0));

        self::assertGreaterThanOrEqual(100, $command->wgt_g);
    }

    public function test_status_is_new(): void
    {
        $command = $this->acl->fromSalesOrderConfirmed($this->createMessage());

        self::assertSame('NEW', $command->sts);
    }

    public function test_date_format_is_legacy_yyyymmdd(): void
    {
        $command = $this->acl->fromSalesOrderConfirmed($this->createMessage());

        self::assertMatchesRegularExpression('/^\d{8}$/', $command->req_dt);
    }

    public function test_description_contains_order_ref_and_article_count(): void
    {
        $command = $this->acl->fromSalesOrderConfirmed($this->createMessage(lineCount: 2));

        self::assertStringContainsString('CMD-', $command->desc);
        self::assertStringContainsString('2 articles', $command->desc);
    }

    private function createMessage(int $lineCount = 1): OrderConfirmed
    {
        $lines = array_fill(0, $lineCount, [
            'productName' => 'Widget',
            'quantity' => 1,
            'unitPriceInCents' => 1000,
            'currency' => 'EUR',
        ]);

        return new OrderConfirmed(
            orderId: 'order-acl-001',
            customerId: 'cust-001',
            totalInCents: $lineCount * 1000,
            currency: 'EUR',
            lines: $lines,
        );
    }
}