// server/rr/rr-job-helpers.js
const { GraphQLClient } = require("graphql-request");
const queries = require("../graphql-client/queries");
const { combinedSearch } = require("./rr-lookup");

/** Namespace the job transaction data for RR */
const getTransactionType = (jobid) => `rr:${jobid}`;

/**
 * QueryJobData — mirrors your Fortellis/CDK helpers; fetches job with all export details.
 * Requires the caller's token (we read from the socket handshake).
 */
async function QueryJobData({ socket, jobid }) {
  const endpoint = process.env.GRAPHQL_ENDPOINT || process.env.HASURA_GRAPHQL_ENDPOINT || process.env.HASURA_URL;
  if (!endpoint) throw new Error("GRAPHQL endpoint not configured");

  const client = new GraphQLClient(endpoint, {});
  const token = (socket?.data && socket.data.authToken) || (socket?.handshake?.auth && socket.handshake.auth.token);
  if (!token) throw new Error("Missing auth token for QueryJobData");

  const res = await client
    .setHeaders({ Authorization: `Bearer ${token}` })
    .request(queries.QUERY_JOBS_FOR_CDK_EXPORT, { id: jobid });

  return res?.jobs_by_pk || null;
}

/**
 * QueryDMSVehicleById — for RR we don't have a direct "vehicle by id" read,
 * so we approximate with CombinedSearch by VIN and return the first hit.
 */
async function QueryDMSVehicleById({ bodyshopId, vin }) {
  if (!vin) return null;
  const res = await combinedSearch({ bodyshopId, kind: "vin", vin });
  // RR lib returns { success, data: CombinedSearchBlock[] }
  const blocks = res?.data || res || [];
  const first = Array.isArray(blocks) && blocks.length ? blocks[0] : null;
  if (!first) return null;

  const vehicle = first?.Vehicle || first?.vehicle || first?.Veh || null;
  const customer = first?.Customer || first?.customer || first?.Cust || null;

  return {
    vin,
    vehicle,
    customer
  };
}

module.exports = {
  QueryJobData,
  QueryDMSVehicleById,
  getTransactionType
};