<?php

declare(strict_types=1);

namespace MiniShop\Invoicing\Infrastructure\Persistence;

use MiniShop\Invoicing\Application\Port\InvoiceRepository;
use MiniShop\Invoicing\Domain\Model\Invoice;
use MiniShop\Invoicing\Domain\Model\InvoiceId;

final class InMemoryInvoiceRepository implements InvoiceRepository
{
    /** @var array<string, Invoice> */
    private array $invoices = [];

    public function save(Invoice $invoice): void
    {
        $this->invoices[$invoice->id->toString()] = $invoice;
    }

    public function get(InvoiceId $id): Invoice
    {
        return $this->invoices[$id->toString()]
            ?? throw new \RuntimeException(sprintf('Invoice "%s" not found.', $id->toString()));
    }

    public function findByExternalOrderId(string $externalOrderId): ?Invoice
    {
        foreach ($this->invoices as $invoice) {
            if ($invoice->externalOrderId === $externalOrderId) {
                return $invoice;
            }
        }

        return null;
    }
}