const { buildRRRepairOrderPayload } = require("./rr-job-helpers");
const { buildClientAndOpts } = require("./rr-lookup");
const { ensureRRServiceVehicle } = require("./rr-service-vehicles");
const RRLogger = require("./rr-logger");

/**
 * Export a job to Reynolds & Reynolds as a Repair Order (create or update).
 * @param args
 * @returns {Promise<{success, data: *, roStatus: *, statusBlocks, xml: *, parsed: any, customerNo: string, svId: null, roNo: *}>}
 */
const exportJobToRR = async (args) => {
  const { bodyshop, job, advisorNo, selectedCustomer, existing, socket } = args || {};
  const log = RRLogger(socket, { ns: "rr-export" });

  if (!bodyshop) throw new Error("exportJobToRR: bodyshop is required");
  if (!job) throw new Error("exportJobToRR: job is required");
  if (advisorNo == null || String(advisorNo).trim() === "") {
    throw new Error("exportJobToRR: advisorNo is required for RR");
  }

  // Resolve customer number (accept multiple shapes)
  const selected = selectedCustomer?.customerNo || selectedCustomer?.custNo;
  if (!selected) throw new Error("exportJobToRR: selectedCustomer.custNo/customerNo is required");

  const { client, opts } = buildClientAndOpts(bodyshop);
  const finalOpts = {
    ...opts,
    envelope: {
      ...(opts?.envelope || {}),
      sender: {
        ...(opts?.envelope?.sender || {}),
        task: "BSMRO",
        // If we have an existing RO number we'll be updating, otherwise inserting
        referenceId: existing?.roNo || existing?.dmsRoNo || existing?.dmsRepairOrderId ? "Update" : "Insert"
      }
    }
  };

  // Ensure service vehicle for create flows (best-effort)
  let svId = null;
  if (!(existing?.roNo || existing?.dmsRoNo || existing?.dmsRepairOrderId)) {
    try {
      const svRes = await ensureRRServiceVehicle({
        bodyshop,
        job,
        overrides: {},
        customerNo: String(selected),
        socket
      });
      svId = svRes?.svId || null;
      log("info", "RR service vehicle ensured", { created: svRes?.created, svId });
    } catch (e) {
      log("warn", "RR ensure service vehicle failed; continuing", { error: e?.message });
    }
  }

  // Build RO payload for create/update
  const payload = buildRRRepairOrderPayload({
    job,
    selectedCustomer: { customerNo: String(selected), custNo: String(selected) },
    advisorNo: String(advisorNo)
  });

  // Canonical update key is "roNo" (prefer DMS RO number); accept fallbacks from "existing"
  const roNoForUpdate = existing?.roNo || existing?.dmsRoNo || existing?.dmsRepairOrderId || null;

  const rrRes = roNoForUpdate
    ? await client.updateRepairOrder({ ...payload, roNo: String(roNoForUpdate) }, finalOpts) // ✅ use roNo on update
    : await client.createRepairOrder(payload, finalOpts);

  const data = rrRes?.data || null;
  const roStatus = data?.roStatus || null;

  // Extract canonical roNo you'll need for finalize step
  const roNo =
    data?.dmsRoNo ??
    data?.outsdRoNo ??
    roStatus?.dmsRoNo ??
    roStatus?.DMSRoNo ??
    roStatus?.outsdRoNo ??
    roStatus?.OutsdRoNo ??
    null;

  return {
    success: rrRes?.success === true || roStatus?.status === "Success",
    data,
    roStatus,
    statusBlocks: rrRes?.statusBlocks || [],
    xml: rrRes?.xml,
    parsed: rrRes?.parsed,
    customerNo: String(selected),
    svId,
    roNo
  };
};

/**
 * Finalize an RR Repair Order by sending finalUpdate: "Y".
 * @param args
 * @returns {Promise<{success, data: *, roStatus: *, statusBlocks, xml: *, parsed: any}>}
 */
const finalizeRRRepairOrder = async (args) => {
  const { bodyshop, job, advisorNo, customerNo, roNo, vin, socket } = args || {};
  const log = RRLogger(socket, { ns: "rr-finalize" });

  if (!bodyshop) throw new Error("finalizeRRRepairOrder: bodyshop is required");
  if (!job) throw new Error("finalizeRRRepairOrder: job is required");
  if (!advisorNo) throw new Error("finalizeRRRepairOrder: advisorNo is required");
  if (!customerNo) throw new Error("finalizeRRRepairOrder: customerNo is required");

  // The external (Outsd) RO is our deterministic fallback and correlation id.
  const externalRo = job?.ro_number ?? job?.id;
  if (externalRo == null) throw new Error("finalizeRRRepairOrder: outsdRoNo (job.ro_number/id) is required");

  // Prefer DMS RO for update; fall back to external when DMS RO isn't known
  const roNoToSend = roNo ? String(roNo) : String(externalRo);

  const { client, opts } = buildClientAndOpts(bodyshop);
  const finalOpts = {
    ...opts,
    envelope: {
      ...(opts?.envelope || {}),
      sender: {
        ...(opts?.envelope?.sender || {}),
        task: "BSMRO",
        referenceId: "Update"
      }
    }
  };

  const cleanVin =
    (job?.v_vin || vin || "")
      .toString()
      .replace(/[^A-Za-z0-9]/g, "")
      .toUpperCase()
      .slice(0, 17) || undefined;

  // IMPORTANT: include "roNo" on updates (RR requires it). Also send outsdRoNo for correlation.
  const payload = {
    roNo: roNoToSend, // ✅ REQUIRED BY RR on update
    outsdRoNo: String(externalRo),
    finalUpdate: "Y",
    departmentType: "B",
    customerNo: String(customerNo),
    advisorNo: String(advisorNo),
    vin: cleanVin,
    mileageIn: job?.kmin,
    mileageOut: job?.kmout,
    estimate: { estimateType: "Final" }
  };

  log("info", "RR finalize updateRepairOrder", {
    roNo: roNoToSend,
    outsdRoNo: String(externalRo),
    customerNo: String(customerNo),
    advisorNo: String(advisorNo)
  });

  const rrRes = await client.updateRepairOrder(payload, finalOpts);
  const data = rrRes?.data || null;
  const roStatus = data?.roStatus || null;

  return {
    success: rrRes?.success === true || roStatus?.status === "Success",
    data,
    roStatus,
    statusBlocks: rrRes?.statusBlocks || [],
    xml: rrRes?.xml,
    parsed: rrRes?.parsed
  };
};

module.exports = { exportJobToRR, finalizeRRRepairOrder };