import type { Address } from "@orderops/shared/address";
import type { DatabaseContext } from "../db/database";
import { canEditShippingAddress } from "./order-status";
import { appendAuditEvent, findOrderDetail, updateOrderAddress, updateOrderTimestamp } from "./order-repository";

export async function changeShippingAddress(
  context: DatabaseContext,
  input: {
    orderId: string;
    address: Address;
    actor: string;
  }
) {
  const order = await findOrderDetail(context, input.orderId);

  if (!order) {
    return { statusCode: 404, message: "Order not found." } as const;
  }

  if (!canEditShippingAddress(order.status)) {
    return { statusCode: 400, message: "Shipping address cannot be changed for this order status." } as const;
  }

  const updatedAt = new Date().toISOString();
  const updated = await updateOrderAddress(context, input.orderId, input.address);

  if (!updated) {
    return { statusCode: 404, message: "Order not found." } as const;
  }

  await updateOrderTimestamp(context, input.orderId, updatedAt);
  await appendAuditEvent(context, {
    orderId: input.orderId,
    actor: input.actor,
    type: "order.shipping_address_changed",
    message: "Updated shipping address.",
    createdAt: updatedAt
  });

  return {
    statusCode: 200,
    order: await findOrderDetail(context, input.orderId)
  } as const;
}