const { getRRConfigForBodyshop } = require("./rr-config");
const { RrApiError } = require("./rr-error");

/**
 * Extracts bodyshopId from body, job, or header and loads RR config.
 * @returns {Promise<{ bodyshopId: string, config: any }>}
 */
async function resolveRRConfigHttp(req) {
  const body = req?.body || {};

  const fromBody = body.bodyshopId;
  const fromJob = body.job && (body.job.shopid || body.job.bodyshopId);
  const fromHeader = typeof req.get === "function" ? req.get("x-bodyshop-id") : undefined;

  const bodyshopId = fromBody || fromJob || fromHeader;

  if (!bodyshopId) {
    throw new RrApiError(
      "Missing bodyshopId (expected in body.bodyshopId, body.job.shopid/bodyshopId, or x-bodyshop-id header)",
      "BAD_REQUEST"
    );
  }

  const config = await getRRConfigForBodyshop(bodyshopId);
  if (!config?.dealerNumber) {
    throw new RrApiError(`RR config not found for bodyshopId=${bodyshopId} (missing dealerNumber)`, "NOT_CONFIGURED");
  }

  return { bodyshopId, config };
}

module.exports = { resolveRRConfigHttp };