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Adds quality-of-life features for Google Product Experts.
// ==UserScript==
// @name GPE Helper
// @namespace https://github.com/gncnpk/GPE-Helper
// @version 0.0.5
// @description Adds quality-of-life features for Google Product Experts.
// @author Gavin Canon-Phratsachack (https://github.com/gncnpk)
// @match https://support.google.com/*/thread*
// @icon https://www.google.com/s2/favicons?sz=64&domain=productexperts.withgoogle.com
// @grant GM_xmlhttpRequest
// @license MIT
// @connect raw.githubusercontent.com
// @connect github.com
// ==/UserScript==
(function() {
'use strict';
let templateResponses = {};
let currentProduct = null;
// GitHub responses URL
const RESPONSES_URL = 'https://raw.githubusercontent.com/gncnpk/gpe-helper/refs/heads/main/responses.json';
// Position management
const POSITION_KEY = 'gpe-helper-position';
const COLLAPSED_KEY = 'gpe-helper-collapsed';
function detectProduct() {
const url = window.location.href;
const match = url.match(/support\.google\.com\/([^\/]+)\/thread/);
return match ? match[1] : null;
}
function fetchResponses() {
return new Promise((resolve, reject) => {
GM_xmlhttpRequest({
method: 'GET',
url: RESPONSES_URL,
onload: function(response) {
if (response.status === 200) {
try {
const data = JSON.parse(response.responseText);
resolve(data);
} catch (error) {
console.error('Failed to parse JSON:', error);
reject(error);
}
} else {
reject(new Error(`HTTP error! status: ${response.status}`));
}
},
onerror: function(error) {
console.error('Request failed:', error);
reject(error);
}
});
});
}
function savePosition(x, y) {
localStorage.setItem(POSITION_KEY, JSON.stringify({
x,
y
}));
}
function loadPosition() {
const saved = localStorage.getItem(POSITION_KEY);
if (saved) {
return JSON.parse(saved);
}
return {
x: 20,
y: 20
}; // Default position (top-right)
}
function saveCollapsedState(isCollapsed) {
localStorage.setItem(COLLAPSED_KEY, isCollapsed.toString());
}
function loadCollapsedState() {
const saved = localStorage.getItem(COLLAPSED_KEY);
return saved === 'true';
}
function makeDraggable(panel, header, initialPosition) {
let isDragging = false;
let currentX = initialPosition.x;
let currentY = initialPosition.y;
let initialX = 0;
let initialY = 0;
let xOffset = initialPosition.x;
let yOffset = initialPosition.y;
function dragStart(e) {
// Only allow dragging from header, not from the toggle arrow
if (e.target.id === 'gpe-toggle-arrow') {
return;
}
if (e.type === "touchstart") {
initialX = e.touches[0].clientX - xOffset;
initialY = e.touches[0].clientY - yOffset;
} else {
initialX = e.clientX - xOffset;
initialY = e.clientY - yOffset;
}
if (e.target === header || header.contains(e.target)) {
isDragging = true;
header.style.cursor = 'grabbing';
}
}
function dragEnd(e) {
if (isDragging) {
initialX = currentX;
initialY = currentY;
isDragging = false;
header.style.cursor = 'grab';
// Save position
savePosition(currentX, currentY);
}
}
function drag(e) {
if (isDragging) {
e.preventDefault();
if (e.type === "touchmove") {
currentX = e.touches[0].clientX - initialX;
currentY = e.touches[0].clientY - initialY;
} else {
currentX = e.clientX - initialX;
currentY = e.clientY - initialY;
}
xOffset = currentX;
yOffset = currentY;
// Keep panel within viewport bounds
const rect = panel.getBoundingClientRect();
const viewportWidth = window.innerWidth;
const viewportHeight = window.innerHeight;
currentX = Math.max(0, Math.min(currentX, viewportWidth - rect.width));
currentY = Math.max(0, Math.min(currentY, viewportHeight - rect.height));
panel.style.transform = `translate(${currentX}px, ${currentY}px)`;
}
}
// Add event listeners
header.addEventListener('mousedown', dragStart);
document.addEventListener('mousemove', drag);
document.addEventListener('mouseup', dragEnd);
// Touch events for mobile
header.addEventListener('touchstart', dragStart);
document.addEventListener('touchmove', drag);
document.addEventListener('touchend', dragEnd);
// Set initial cursor
header.style.cursor = 'grab';
}
function waitForElm(selector, doc) {
return new Promise(resolve => {
if (doc.querySelector(selector)) {
return resolve(doc.querySelector(selector));
}
const observer = new MutationObserver(mutations => {
if (doc.querySelector(selector)) {
observer.disconnect();
resolve(doc.querySelector(selector));
}
});
try {
observer.observe(doc.body, {
childList: true,
subtree: true
});
} catch {
observer.observe(doc, {
childList: true,
subtree: true
});
}
});
}
function getTimeOfDay() {
const hour = new Date().getHours();
if (hour < 12) return 'morning';
if (hour < 18) return 'afternoon';
return 'evening';
}
function createTemplatePanel() {
const position = loadPosition();
const isCollapsed = loadCollapsedState();
const panel = document.createElement('div');
panel.id = 'gpe-template-panel';
panel.style.cssText = `
position: fixed;
top: 0;
left: 0;
background: #fff;
border: 1px solid #ddd;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
z-index: 10000;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
max-width: 300px;
transform: translate(${position.x}px, ${position.y}px);
user-select: none;
`;
const header = document.createElement('div');
header.style.cssText = `
padding: 12px 16px;
background: #f8f9fa;
border-bottom: 1px solid #ddd;
border-radius: 8px 8px 0 0;
font-weight: 600;
font-size: 14px;
color: #333;
cursor: grab;
display: flex;
justify-content: space-between;
align-items: center;
user-select: none;
`;
const content = document.createElement('div');
content.id = 'gpe-template-content';
content.style.cssText = `
padding: 8px;
display: ${isCollapsed ? 'none' : 'block'};
`;
// Show loading state initially
header.innerHTML = `
<span>GPE Helper - Loading...</span>
<span id="gpe-toggle-arrow" style="font-size: 12px; transition: transform 0.2s; cursor: pointer;">▼</span>
`;
// Check if we have responses to show
if (Object.keys(templateResponses).length === 0) {
content.innerHTML = `
<div style="padding: 8px; text-align: center; color: #666; font-size: 12px;">
${currentProduct ? `No templates available for "${currentProduct}"` : 'Unable to detect product or load templates'}
</div>
`;
} else {
// Create buttons for each template
Object.keys(templateResponses).forEach(templateName => {
const button = document.createElement('button');
button.textContent = templateName;
button.style.cssText = `
display: block;
width: 100%;
padding: 8px 12px;
margin: 4px 0;
background: #4285f4;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 12px;
transition: background-color 0.2s;
`;
button.addEventListener('mouseenter', () => {
button.style.backgroundColor = '#3367d6';
});
button.addEventListener('mouseleave', () => {
button.style.backgroundColor = '#4285f4';
});
button.addEventListener('click', () => {
appendTemplateToEditor(templateResponses[templateName]);
});
content.appendChild(button);
});
}
// Update header text
const productName = currentProduct ? currentProduct.charAt(0).toUpperCase() + currentProduct.slice(1) : 'Unknown';
header.innerHTML = `
<span>GPE Helper - ${productName}</span>
<span id="gpe-toggle-arrow" style="font-size: 12px; transition: transform 0.2s; cursor: pointer;">▼</span>
`;
// Add toggle functionality
let collapsed = isCollapsed;
const toggleArrow = header.querySelector('#gpe-toggle-arrow');
// Set initial arrow direction
toggleArrow.style.transform = collapsed ? 'rotate(-90deg)' : 'rotate(0deg)';
toggleArrow.addEventListener('click', (e) => {
e.stopPropagation(); // Prevent drag from starting
collapsed = !collapsed;
content.style.display = collapsed ? 'none' : 'block';
toggleArrow.style.transform = collapsed ? 'rotate(-90deg)' : 'rotate(0deg)';
saveCollapsedState(collapsed);
});
panel.appendChild(header);
panel.appendChild(content);
document.body.appendChild(panel);
// Make the panel draggable - pass the initial position
makeDraggable(panel, header, position);
}
function textToHtml(text) {
// Convert plain text with \n to HTML with <br> tags
// Handle escaped newlines from JSON
const unescapedText = text.replace(/\\n/g, '\n');
return unescapedText.split('\n').map(line => {
if (line.trim() === '') {
return '<br>';
}
return line;
}).join('<br>');
}
function insertHtmlAtCursor(element, htmlText) {
const selection = window.getSelection();
// If no selection or selection is not in our editor, append at end
if (!selection.rangeCount || !element.contains(selection.anchorNode)) {
element.focus();
const range = document.createRange();
range.selectNodeContents(element);
range.collapse(false);
selection.removeAllRanges();
selection.addRange(range);
}
const range = selection.getRangeAt(0);
// Delete any selected content first
range.deleteContents();
// Create a temporary div to parse HTML
const tempDiv = document.createElement('div');
tempDiv.innerHTML = htmlText;
// Collect all nodes first to preserve order
const nodes = Array.from(tempDiv.childNodes);
// Insert nodes in correct order
nodes.forEach(node => {
range.insertNode(node);
range.setStartAfter(node);
});
// Move cursor to end of inserted content
range.collapse(false);
selection.removeAllRanges();
selection.addRange(range);
}
function needsSpacingBefore(editor) {
const selection = window.getSelection();
if (!selection.rangeCount) return false;
const range = selection.getRangeAt(0);
const textBefore = range.startContainer.textContent?.substring(0, range.startOffset) || '';
// Check if we need spacing (content exists and doesn't end with whitespace)
return textBefore.trim() && !textBefore.match(/\s{2,}$/);
}
function appendTemplateToEditor(templateText) {
const editor = document.getElementsByClassName(
'scTailwindSharedRichtexteditoreditor'
)[0];
if (editor) {
// Focus the editor first
editor.focus();
// Convert template text to HTML
let htmlToInsert = textToHtml(templateText);
// Add spacing before template if needed
if (needsSpacingBefore(editor)) {
htmlToInsert = '<br><br>' + htmlToInsert;
}
insertHtmlAtCursor(editor, htmlToInsert);
// Trigger input event to ensure the content is recognized
const event = new Event('input', {
bubbles: true
});
editor.dispatchEvent(event);
}
}
async function init() {
// Detect the current product
currentProduct = detectProduct();
console.log('Detected product:', currentProduct);
// Fetch responses from GitHub
try {
const allResponses = await fetchResponses();
if (allResponses && currentProduct && allResponses[currentProduct]) {
templateResponses = allResponses[currentProduct];
console.log(`Loaded responses for ${currentProduct}`, templateResponses);
} else {
console.warn('No responses found for product:', currentProduct);
}
} catch (error) {
console.error('Failed to load responses:', error);
}
if (document.location.pathname.endsWith("threads")) {
await waitForElm('.thread-list-counts__count--reply', document);
document.querySelectorAll(".thread-list-counts__count--reply").forEach((a) => {
if (a.innerText === "0 Replies") {
a.parentElement.parentElement.parentElement.parentElement.style = "background-color: rgba(255,0,0,0.1);"
}
})
}
await waitForElm('.scTailwindSharedRichtexteditoreditor', document);
prefillResponse();
createTemplatePanel();
}
function prefillResponse() {
const timeOfDay = getTimeOfDay();
const userElem = document.querySelector(
'.scTailwindThreadPost_headerUserinfoname'
);
const username = userElem ? userElem.innerText.trim() : '';
const editor = document.getElementsByClassName(
'scTailwindSharedRichtexteditoreditor'
)[0];
editor.innerText = `Good ${timeOfDay} ${username},\n\nWaze staff does not monitor this forum.\n\n[Response here]\n\nIf there's anything else I can assist you with, please let me know!\n\nI'm not affiliated with either Waze or Google; I'm a volunteer product expert providing answers about Google Maps and Waze.`;
}
init();
})();