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<?php

namespace App\Services;

class OrderService
{
    public function __construct(
        private OrderRepositoryInterface $orders,
        private PaymentGatewayInterface  $payment,
        private InventoryService         $inventory,
    ) {}

    public function createOrder(
        User $user,
        CreateOrderDTO $dto
    ): Order {
        // Validate stock availability
        $this->inventory->ensureAvailable(
            $dto->items
        );

        return DB::transaction(function () use ($user, $dto) {
            $order = $this->orders->create([
                'user_id' => $user->id,
                'status'  => OrderStatus::PENDING,
                'total'   => $dto->calculateTotal(),
            ]);

            // Attach products with quantities
            $order->products()->sync(
                $dto->toProductSyncData()
            );

            // Dispatch async payment job
            ProcessPaymentJob::dispatch($order)
                ->onQueue('payments')
                ->delay(now()->addSeconds(5));

            return $order;
        });
    }
}