import { extractLegacyId, normalizeOrderId } from "./activity.server";
import type { OrderDetails } from "./activity.server";

type AdminGraphqlClient = {
  graphql: (query: string, options?: { variables?: Record<string, unknown> }) => Promise<Response>;
};

const ORDER_QUERY = `#graphql
  query DreameOrder($id: ID!) {
    order: node(id: $id) {
      ... on Order {
        id
        name
        email
        currencyCode
        customer {
          id
        }
      }
    }
    shop {
      myshopifyDomain
    }
  }
`;

export async function getOrderDetails(admin: AdminGraphqlClient, orderId: string): Promise<OrderDetails> {
  const normalizedOrderId = normalizeOrderId(orderId);
  const response = await admin.graphql(ORDER_QUERY, { variables: { id: normalizedOrderId } });
  const payload = (await response.json()) as {
    data?: {
      order?: {
        id: string;
        name?: string;
        email?: string;
        currencyCode?: string;
        customer?: { id?: string } | null;
      } | null;
      shop?: {
        myshopifyDomain?: string;
      };
    };
  };

  const order = payload.data?.order;
  if (!order) {
    throw new Error(`Order not found: ${normalizedOrderId}`);
  }

  return {
    id: order.id,
    legacyId: extractLegacyId(order.id),
    orderNumber: order.name,
    email: order.email || undefined,
    customerId: order.customer?.id ? extractLegacyId(order.customer.id) : undefined,
    currency: order.currencyCode || "",
    shopDomain: payload.data?.shop?.myshopifyDomain || "",
  };
}