// server/rr/rrRoutes.js
const express = require("express");
const router = express.Router();

const RRLogger = require("./rr-logger");
const { RrApiError } = require("./rr-error");
const { getRRConfigForBodyshop } = require("./rr-config");
const lookupApi = require("./rr-lookup");
const { insertCustomer, updateCustomer } = require("./rr-customer");
const { exportJobToRR } = require("./rr-job-export");
const { SelectedCustomer } = require("./rr-selected-customer");
const { QueryJobData } = require("./rr-job-helpers");

// --- helpers & middleware (kept local for this router) ---
function socketOf(req) {
  // attach a minimal "socket-like" emitter for logger compatibility
  return {
    emit: () => {
      //
    },
    handshake: { auth: { token: req?.headers?.authorization?.replace(/^Bearer\s+/i, "") } },
    user: req?.user
  };
}

function ok(res, payload) {
  return res.status(200).json(payload || { ok: true });
}
function fail(res, e) {
  const code = e?.code === "BAD_REQUEST" ? 400 : e?.code === "NOT_CONFIGURED" ? 412 : 500;
  return res.status(code).json({ error: e?.message || String(e), code: e?.code || "RR_API_ERROR" });
}

function requireBodyshopId(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"
    );
  }
  return bodyshopId;
}

// --- sanity/config checks ---
router.get("/rr/config", async (req, res) => {
  try {
    const bodyshopId = requireBodyshopId(req);
    const cfg = await getRRConfigForBodyshop(bodyshopId);
    return ok(res, { data: cfg });
  } catch (e) {
    return fail(res, e);
  }
});

// --- lookups ---
router.post("/rr/lookup/advisors", async (req, res) => {
  try {
    const bodyshopId = requireBodyshopId(req);
    const data = await lookupApi.getAdvisors({ bodyshopId, ...(req.body || {}) });
    return ok(res, { data });
  } catch (e) {
    return fail(res, e);
  }
});

router.post("/rr/lookup/parts", async (req, res) => {
  try {
    const bodyshopId = requireBodyshopId(req);
    const data = await lookupApi.getParts({ bodyshopId, ...(req.body || {}) });
    return ok(res, { data });
  } catch (e) {
    return fail(res, e);
  }
});

router.post("/rr/combined-search", async (req, res) => {
  try {
    const bodyshopId = requireBodyshopId(req);
    const data = await lookupApi.combinedSearch({ bodyshopId, ...(req.body || {}) });
    return ok(res, { data });
  } catch (e) {
    return fail(res, e);
  }
});

// --- customers (basic insert/update) ---
router.post("/rr/customer/insert", async (req, res) => {
  try {
    const bodyshopId = requireBodyshopId(req);
    const data = await insertCustomer({ bodyshopId, payload: req.body });
    return ok(res, { data });
  } catch (e) {
    return fail(res, e);
  }
});

router.post("/rr/customer/update", async (req, res) => {
  try {
    const bodyshopId = requireBodyshopId(req);
    const data = await updateCustomer({ bodyshopId, payload: req.body });
    return ok(res, { data });
  } catch (e) {
    return fail(res, e);
  }
});

/**
 * NEW: set or create the selected RR customer for a given job
 * body: { jobid: uuid, selectedCustomerId?: string, bodyshopId?: uuid }
 */
router.post("/rr/customer/selected", async (req, res) => {
  const socket = socketOf(req);
  const logger = (level, message, ctx) => RRLogger(socket)(level, message, ctx);
  try {
    const { jobid, selectedCustomerId } = req.body || {};
    if (!jobid) throw new RrApiError("Missing 'jobid' in body", "BAD_REQUEST");

    // We allow bodyshopId in the body, but will resolve from JobData if not present.
    const bodyshopId = req.body?.bodyshopId || null;

    const result = await SelectedCustomer({
      socket,
      jobid,
      bodyshopId,
      selectedCustomerId,
      redisHelpers: req.redisHelpers
    });

    logger("info", "RR /rr/customer/selected success", { jobid, selectedCustomerId: result.selectedCustomerId });
    return ok(res, { data: result });
  } catch (e) {
    RRLogger(socket)("error", "RR /rr/customer/selected failed", { error: e.message });
    return fail(res, e);
  }
});

/**
 * NEW: fetch canonical JobData used for DMS exports (mirrors Fortellis/CDK QueryJobData)
 * body: { jobid: uuid }
 */
router.post("/rr/job/query", async (req, res) => {
  try {
    const { jobid } = req.body || {};
    if (!jobid) throw new RrApiError("Missing 'jobid' in body", "BAD_REQUEST");
    const data = await QueryJobData({ socket: socketOf(req), jobid });
    return ok(res, { data });
  } catch (e) {
    return fail(res, e);
  }
});

// --- export orchestrator ---
router.post("/rr/export/job", async (req, res) => {
  const socket = socketOf(req);
  const logger = (level, message, ctx) => RRLogger(socket)(level, message, ctx);
  try {
    const bodyshopId = requireBodyshopId(req);
    const { job, options = {} } = req.body || {};
    if (!job) throw new RrApiError("Missing 'job' in request body", "BAD_REQUEST");
    const data = await exportJobToRR({ bodyshopId, job, logger, ...options });
    return ok(res, { data });
  } catch (e) {
    RRLogger(socket)("error", "RR /rr/export/job failed", { error: e.message });
    return fail(res, e);
  }
});

module.exports = router;