434 lines
16 KiB
JavaScript
434 lines
16 KiB
JavaScript
"use strict";
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// ── Config ──────────────────────────────────────────────────────────────
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const WEBHOOK =
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"https://brandize.app.n8n.cloud/webhook/e0268b0f-4935-49ba-bfdf-1c0ee01d3b9d";
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// ── State ───────────────────────────────────────────────────────────────────
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let creds = null; // { user, pass }
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let pendingAuthCb = null; // function to retry after auth
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let scanCount = 0;
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const scanQueue = []; // { code, user, rowEl } — FIFO
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let queueBusy = false; // true while drainQueue is running
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// ── DOM refs ─────────────────────────────────────────────────────────────
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const scanInput = document.getElementById("scanInput");
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const userSelect = document.getElementById("userSelect");
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const tableBody = document.getElementById("tableBody");
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const emptyState = document.getElementById("emptyState");
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const countPill = document.getElementById("countPill");
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const queuePill = document.getElementById("queuePill");
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const queuePillText = document.getElementById("queuePillText");
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const banner = document.getElementById("statusBanner");
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const authModal = document.getElementById("authModal");
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const authUser = document.getElementById("authUser");
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const authPass = document.getElementById("authPass");
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const authBtn = document.getElementById("authBtn");
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const modalError = document.getElementById("modalError");
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const toast = document.getElementById("toast");
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// ── Cookie helpers ────────────────────────────────────────────────────────
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function saveCreds(user, pass) {
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const val = btoa(encodeURIComponent(JSON.stringify({ user, pass })));
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document.cookie = `hr_auth=${val}; max-age=${30 * 24 * 3600}; SameSite=Strict; path=/`;
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}
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function loadCredsFromCookie() {
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const match = document.cookie.match(/(?:^|;\s*)hr_auth=([^;]+)/);
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if (match) {
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try {
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return JSON.parse(decodeURIComponent(atob(match[1])));
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} catch (_) {}
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}
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return null;
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}
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function clearCredsCookie() {
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document.cookie = "hr_auth=; max-age=0; path=/";
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}
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// ── JSON parser (handles array, single object, and NDJSON) ───────────────
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async function parseJson(res) {
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const text = await res.text();
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// Standard JSON (array or object)
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try {
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const parsed = JSON.parse(text);
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return parsed;
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} catch (_) {}
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// NDJSON — n8n sometimes returns one object per line
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try {
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const lines = text
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.trim()
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.split("\n")
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.filter((l) => l.trim());
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if (lines.length > 0) {
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return lines.map((l) => JSON.parse(l));
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}
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} catch (_) {}
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throw new Error("Could not parse server response");
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}
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// ── Helpers ──────────────────────────────────────────────────────────────
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function esc(str) {
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return String(str ?? "")
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """);
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}
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function getHeaders(json = true) {
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const h = {};
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if (json) h["Content-Type"] = "application/json";
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if (creds) {
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h["Authorization"] = "Basic " + btoa(creds.user + ":" + creds.pass);
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}
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return h;
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}
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// ── Toast ────────────────────────────────────────────────────────────────
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let toastTimer = null;
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function showToast(msg, type = "", ms = 3200) {
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clearTimeout(toastTimer);
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toast.textContent = msg;
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toast.className = "visible " + type;
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toastTimer = setTimeout(() => {
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toast.className = "";
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}, ms);
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}
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// ── Status Banner ────────────────────────────────────────────────────────
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let bannerTimer = null;
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function showBanner(msg, type, autohide = 0) {
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clearTimeout(bannerTimer);
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banner.textContent = "";
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if (type === "loading") {
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const dots = document.createElement("div");
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dots.className = "dot-spinner";
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dots.innerHTML = "<span></span><span></span><span></span>";
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banner.appendChild(dots);
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const t = document.createTextNode(" " + msg);
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banner.appendChild(t);
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} else {
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banner.textContent = msg;
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}
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banner.className = "active " + type;
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if (autohide) bannerTimer = setTimeout(hideBanner, autohide);
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}
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function hideBanner() {
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banner.className = "";
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banner.textContent = "";
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}
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// ── Auth Modal ───────────────────────────────────────────────────────────
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function needAuth(retryCb) {
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pendingAuthCb = retryCb;
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modalError.style.display = "none";
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// Pre-fill from saved cookie so user only needs to confirm
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const saved = loadCredsFromCookie();
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authUser.value = saved?.user || "";
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authPass.value = saved?.pass || "";
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authModal.classList.remove("hidden");
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// Focus password if username already filled, otherwise username
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setTimeout(() => (saved ? authPass.focus() : authUser.focus()), 50);
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}
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function cancelAuth() {
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authModal.classList.add("hidden");
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pendingAuthCb = null;
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showBanner("Authentication cancelled.", "error", 4000);
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}
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async function submitAuth() {
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const u = authUser.value.trim();
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const p = authPass.value;
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if (!u || !p) {
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modalError.textContent = "Please enter both username and password.";
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modalError.style.display = "block";
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return;
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}
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creds = { user: u, pass: p };
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saveCreds(u, p); // persist to cookie
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authBtn.classList.add("loading");
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authBtn.disabled = true;
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modalError.style.display = "none";
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// Close modal first, then retry
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authModal.classList.add("hidden");
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authBtn.classList.remove("loading");
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authBtn.disabled = false;
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if (pendingAuthCb) {
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const cb = pendingAuthCb;
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pendingAuthCb = null;
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await cb();
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}
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}
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authPass.addEventListener("keydown", (e) => {
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if (e.key === "Enter") submitAuth();
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});
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// ── Load Users ───────────────────────────────────────────────────────────
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async function loadUsers() {
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showBanner("Loading users…", "loading");
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try {
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const res = await fetch(WEBHOOK, {
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method: "GET",
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headers: getHeaders(false),
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});
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if (res.status === 401) {
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hideBanner();
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needAuth(loadUsers);
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return;
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}
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if (!res.ok) {
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showBanner(`Could not load users (HTTP ${res.status}).`, "error");
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userSelect.innerHTML =
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'<option value="">Error – tap to retry</option>';
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return;
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}
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const data = await parseJson(res);
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console.log("[HR] Users response:", data);
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buildDropdown(data);
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hideBanner();
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} catch (err) {
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console.error(err);
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showBanner("Network error – could not reach the server.", "error");
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userSelect.innerHTML =
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'<option value="">Offline – check connection</option>';
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}
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}
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function buildDropdown(users) {
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userSelect.innerHTML = '<option value="">— Select User —</option>';
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// Normalise all shapes n8n may return:
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// { Name: ["Oliver", "Luka", "Benni"] } ← actual format
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// [ { Name: "Oliver" }, ... ] ← standard array
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// { Name: "Oliver" } ← single object
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let names = [];
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if (Array.isArray(users)) {
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// Array of objects: pull .Name from each
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names = users.map((u) => u.Name).filter(Boolean);
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} else if (users && Array.isArray(users.Name)) {
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// Single object with a Name array
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names = users.Name.filter(Boolean);
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} else if (users && users.Name) {
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// Single object with a single Name string
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names = [users.Name];
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}
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names.forEach((name) => {
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userSelect.appendChild(new Option(name, name));
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});
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}
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// ── Duplicate check ──────────────────────────────────────────────────────
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// Checks both resolved rows and pending rows (all have .col-code)
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function isDuplicate(code) {
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for (const cell of tableBody.querySelectorAll(".col-code")) {
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if (cell.textContent === code) return true;
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}
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return false;
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}
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// ── Queue pill ──────────────────────────────────────────────────────────
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function updateQueuePill() {
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const n = scanQueue.length;
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if (n > 0) {
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queuePillText.textContent = n + (n === 1 ? " pending" : " pending");
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queuePill.classList.remove("hidden");
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} else {
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queuePill.classList.add("hidden");
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}
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}
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// ── Enqueue (called immediately on Enter) ──────────────────────────────
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function enqueue(raw) {
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const code = raw.trim();
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if (!code) return;
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const user = userSelect.value;
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if (!user) {
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showToast("Please select a user first!", "fail");
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userSelect.style.outline = "2px solid rgba(255,80,80,0.8)";
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setTimeout(() => {
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userSelect.style.outline = "";
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}, 1200);
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return;
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}
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if (isDuplicate(code)) {
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showToast("⚠️ Already scanned: " + code, "fail", 4000);
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scanInput.select();
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return;
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}
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// Clear input immediately so the next scan can happen right away
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scanInput.value = "";
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scanInput.focus();
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hideBanner();
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// Add a pending row to the table (also registers code for dupe detection)
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const rowEl = addPendingRow(code);
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// Push onto queue
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scanQueue.push({ code, user, rowEl });
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updateQueuePill();
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// Kick off the queue processor if it isn't running already
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if (!queueBusy) drainQueue();
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}
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// ── Queue drain (processes items sequentially in the background) ────────
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async function drainQueue() {
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if (queueBusy) return;
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queueBusy = true;
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while (scanQueue.length > 0) {
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const item = scanQueue[0]; // peek — only shift after handling
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const result = await processItem(item);
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if (result === "auth") {
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// Credentials needed — pause queue, resume after login
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queueBusy = false;
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needAuth(drainQueue);
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return;
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}
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scanQueue.shift();
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updateQueuePill();
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}
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queueBusy = false;
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updateQueuePill();
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}
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// ── Process one queued item ────────────────────────────────────────────
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async function processItem({ code, user, rowEl }) {
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try {
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const res = await fetch(WEBHOOK, {
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method: "POST",
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headers: getHeaders(true),
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body: JSON.stringify({ user, code }),
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});
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if (res.status === 401) return "auth"; // signal caller to pause
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if (!res.ok) {
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let errMsg = `Scan failed (HTTP ${res.status})`;
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try {
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const errData = await parseJson(res);
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if (errData?.error) errMsg = errData.error;
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} catch (_) {}
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rowError(rowEl, errMsg);
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return "ok";
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}
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const item = await parseJson(res);
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if (item?.error) {
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rowError(rowEl, item.error);
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return "ok";
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}
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resolveRow(rowEl, item);
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return "ok";
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} catch (err) {
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console.error(err);
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rowError(rowEl, "Network error – could not reach server");
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return "ok";
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}
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}
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// ── Table rows ────────────────────────────────────────────────────────────────
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function addPendingRow(code) {
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emptyState.style.display = "none";
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const tr = document.createElement("tr");
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tr.className = "row-pending";
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tr.innerHTML = `
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<td colspan="3" class="pending-cell">
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<span class="pending-spinner"></span>
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<span class="pending-label">Processing…</span>
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<span class="pending-code">${esc(code)}</span>
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</td>
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<td class="col-code">${esc(code)}</td>
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`;
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tableBody.insertBefore(tr, tableBody.firstChild);
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return tr;
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}
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function resolveRow(rowEl, item) {
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const code = rowEl.querySelector(".col-code").textContent;
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rowEl.className = item.gepackt ? "row-already-packed" : "";
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rowEl.innerHTML = `
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<td><span class="country-badge">${esc(item.country || "—")}</span></td>
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<td class="name-cell">${esc(item.name || "—")}</td>
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<td><span class="tag-pill" title="${esc(item.producttag || "")}">${esc(item.producttag || "—")}</span></td>
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<td class="col-code">${esc(code)}</td>
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`;
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scanCount++;
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countPill.textContent = scanCount + (scanCount === 1 ? " scan" : " scans");
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countPill.classList.remove("zero");
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}
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function rowError(rowEl, msg) {
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const code = rowEl.querySelector(".col-code").textContent;
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rowEl.className = "row-error";
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rowEl.innerHTML = `
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<td colspan="3" class="error-cell">
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<span class="error-icon">✕</span>
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<span class="error-msg">${esc(msg)}</span>
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<span class="error-code">${esc(code)}</span>
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</td>
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<td class="col-code">${esc(code)}</td>
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`;
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}
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// ── Clear ──────────────────────────────────────────────────────────────────────
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function clearTable() {
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const hasContent = scanCount > 0 || scanQueue.length > 0 || scanInput.value;
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if (!hasContent) return;
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// Cancel any pending queue items
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scanQueue.length = 0;
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queueBusy = false;
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updateQueuePill();
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tableBody.innerHTML = "";
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scanInput.value = "";
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scanCount = 0;
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countPill.textContent = "0 scans";
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countPill.classList.add("zero");
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emptyState.style.display = "";
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scanInput.focus();
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showToast("Table cleared", "", 2000);
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}
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// ── Scan Input Enter ──────────────────────────────────────────────────────────
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scanInput.addEventListener("keydown", (e) => {
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if (e.key === "Enter") {
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const v = scanInput.value.trim();
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if (v) enqueue(v);
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}
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});
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// Retry on clicking offline dropdown
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userSelect.addEventListener("focus", () => {
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if (
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userSelect.options.length <= 1 &&
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userSelect.options[0]?.value === "" &&
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/error|offline/i.test(userSelect.options[0]?.text)
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) {
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loadUsers();
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}
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});
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// ── Init ─────────────────────────────────────────────────────────────────
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window.addEventListener("DOMContentLoaded", () => {
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// Restore saved credentials before the first network call
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const saved = loadCredsFromCookie();
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if (saved) creds = saved;
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loadUsers();
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scanInput.focus();
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});
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