refactor

.dockerignore

@@ -49,12 +49,9 @@ build/
 # We need .env for our application
 #.env
 .env.*
-# Don't ignore config.env.js
+
-!config.env.js
 
 # Project specific files
-dev-start.sh
-generate-config.sh
 labels.example
 virt-game-timer.service 
 package.json

.gitignore

@@ -19,7 +19,6 @@ yarn-error.log*
 .env.development.local
 .env.test.local
 .env.production.local
-config.env.js
 
 # Editor directories and files
 .idea/

Dockerfile

@@ -1,38 +1,14 @@
 # Use a lightweight server
 FROM nginx:alpine
 
-# Install bash for the script execution
-RUN apk add --no-cache bash
-
 # Set working directory
 WORKDIR /usr/share/nginx/html
 
 # Copy all the application files
 COPY . .
 
-# Create a simple script to generate config.env.js
+# Copy the .env file
-RUN echo '#!/bin/sh' > /usr/share/nginx/html/docker-generate-config.sh && \
+COPY .env .
-    echo 'echo "// config.env.js - Generated from .env" > config.env.js' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo 'echo "// This file contains environment variables for the PWA" >> config.env.js' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo 'echo "// Generated on $(date)" >> config.env.js' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo 'echo "" >> config.env.js' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo 'echo "window.ENV_CONFIG = {" >> config.env.js' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo 'grep -v "^#" .env | grep "=" | while read line; do' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo '  key=$(echo $line | cut -d= -f1)' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo '  value=$(echo $line | cut -d= -f2-)' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo '  echo "  $key: \"$value\"," >> config.env.js' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo 'done' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    echo 'echo "};" >> config.env.js' >> /usr/share/nginx/html/docker-generate-config.sh && \
-    chmod +x /usr/share/nginx/html/docker-generate-config.sh
-
-# Generate config.env.js from .env
-RUN /usr/share/nginx/html/docker-generate-config.sh
-
-# Uninstall bash
-RUN apk del bash
-
-# Remove the .env file and the generation script for security
-RUN rm .env docker-generate-config.sh
 
 # Expose port 80
 EXPOSE 80

README.md

@@ -27,7 +27,7 @@ game-timer/
 
 ## Environment Variables
 
-The application uses environment variables for configuration. These are loaded from a `.env` file and converted to a `config.env.js` file that is served by the web server.
+The application uses environment variables for configuration. These are loaded from a `.env` file at runtime.
 
 ### Setting Up Environment Variables
 
@@ -45,12 +45,7 @@ The application uses environment variables for configuration. These are loaded f
    BACKEND_URL=https://your-push-server.example.com
    ```
 
-3. Generate the `config.env.js` file using the provided script:
+3. For security, never commit your `.env` file to version control. It's already included in `.gitignore`.
-   ```bash
-   ./generate-config.sh
-   ```
-
-4. For security, never commit your `.env` file to version control. It's already included in `.gitignore`.
 
 ### Generating VAPID Keys
 

css/styles.css

@@ -353,124 +353,18 @@ input[type="file"] {
     cursor: pointer;
 }
 
-/* Push notification controls */
+.app-footer {
-.push-notification-controls {
+    background-color: #2c3e50;
-    margin-right: 10px;
-}
-
-.notification-status-container {
-    margin: 1rem 0;
-    padding: 1rem;
-    background-color: #f8f9fa;
-    border-radius: 4px;
-}
-
-.notification-status p {
-    margin-bottom: 0.5rem;
-}
-
-.advanced-options {
-    margin-top: 1rem;
-    display: flex;
-    justify-content: space-between;
-    border-top: 1px solid #eee;
-    padding-top: 1rem;
-}
-
-.advanced-options button {
-    padding: 0.5rem 1rem;
-    border: none;
-    border-radius: 4px;
-    cursor: pointer;
-    flex: 1;
-    margin: 0 0.5rem;
-}
-
-.advanced-options button:first-child {
-    margin-left: 0;
-}
-
-.advanced-options button:last-child {
-    margin-right: 0;
-}
-
-/* Status indicators */
-.status-granted {
-    color: #28a745;
-    font-weight: bold;
-}
-
-.status-denied {
-    color: #dc3545;
-    font-weight: bold;
-}
-
-.status-default {
-    color: #ffc107;
-    font-weight: bold;
-}
-
-.status-active {
-    color: #28a745;
-    font-weight: bold;
-}
-
-.status-inactive {
-    color: #6c757d;
-    font-weight: bold;
-}
-/* Service Worker Message Monitor Styles */
-.message-monitor-section {
-    margin-top: 1.5rem;
-    padding-top: 1rem;
-    border-top: 1px solid #eee;
-}
-
-.message-monitor-section h3 {
-    margin-bottom: 0.5rem;
-}
-
-.monitor-controls {
-    display: flex;
-    justify-content: space-between;
-    margin: 0.5rem 0;
-}
-
-.action-button {
-    background-color: #3498db;
     color: white;
-    border: none;
+    padding: 1rem;
-    padding: 0.5rem 1rem;
+    text-align: center;
-    border-radius: 4px;
+    font-size: 0.9rem;
-    cursor: pointer;
+    margin-top: auto; /* This pushes the footer to the bottom when possible */
-    width: 100%;
 }
 
-.action-button:hover {
+.author-info {
-    background-color: #2980b9;
+    display: flex;
-}
+    flex-direction: column;
-
+    align-items: center;
-button:disabled {
+    gap: 0.3rem;
-    background-color: #cccccc !important; /* Gray background */
-    color: #888888 !important; /* Darker gray text */
-    cursor: not-allowed !important; /* Change cursor */
-    opacity: 0.7 !important; /* Reduce opacity */
-}
-
-.cancel-button:disabled {
-    background-color: #e0e0e0 !important; /* Light gray */
-    color: #999999 !important;
-    border: 1px solid #cccccc !important;
-}
-
-.message-output {
-    background-color: #f8f9fa;
-    border: 1px solid #dee2e6;
-    border-radius: 4px;
-    padding: 0.75rem;
-    margin-top: 0.5rem;
-    height: 150px;
-    overflow-y: auto;
-    font-size: 0.85rem;
-    white-space: pre-wrap;
 }

dev-start.sh

@@ -1,30 +0,0 @@
-#!/bin/bash
-# Script to start a local development server with environment variables
-
-# Check if .env file exists
-if [ ! -f .env ]; then
-  echo "Error: .env file not found!"
-  echo "Please create a .env file based on .env.example"
-  exit 1
-fi
-
-# Generate config.env.js from .env
-echo "Generating config.env.js from .env..."
-./generate-config.sh
-
-# Start a local development server
-echo "Starting development server..."
-if command -v python3 &> /dev/null; then
-  echo "Using Python3 HTTP server on port 8000..."
-  python3 -m http.server 8000
-elif command -v python &> /dev/null; then
-  echo "Using Python HTTP server on port 8000..."
-  python -m SimpleHTTPServer 8000
-elif command -v npx &> /dev/null; then
-  echo "Using npx serve on port 8000..."
-  npx serve -l 8000
-else
-  echo "Error: Could not find a suitable static file server."
-  echo "Please install Python or Node.js, or manually start a server."
-  exit 1
-fi

generate-config.sh

@@ -1,39 +0,0 @@
-#!/bin/bash
-# Script to generate config.env.js from .env file
-# Usage: ./generate-config.sh
-
-# Check if .env file exists
-if [ ! -f .env ]; then
-  echo "Error: .env file not found!"
-  echo "Please create a .env file based on .env.example"
-  exit 1
-fi
-
-echo "Generating config.env.js from .env..."
-
-# Create config.env.js file
-echo "// config.env.js - Generated from .env" > config.env.js
-echo "// This file contains environment variables for the PWA" >> config.env.js
-echo "// Generated on $(date)" >> config.env.js
-echo "" >> config.env.js
-echo "window.ENV_CONFIG = {" >> config.env.js
-
-# Read .env file line by line
-while IFS="=" read -r key value || [ -n "$key" ]; do
-  # Skip comments and empty lines
-  [[ $key =~ ^#.*$ ]] && continue
-  [[ -z $key ]] && continue
-  
-  # Remove quotes if present
-  value="${value%\"}"
-  value="${value#\"}"
-  value="${value%\'}"
-  value="${value#\'}"
-  
-  # Add the key-value pair to config.env.js
-  echo "  $key: \"$value\"," >> config.env.js
-done < .env
-
-echo "};" >> config.env.js
-
-echo "config.env.js generated successfully!"

index.html

@@ -24,11 +24,6 @@
 <body>
     <div class="app-container">
         <header class="header">
-            <div class="push-notification-controls">
-                <button id="pushSettingsButton" class="header-button" title="Push Notification Settings">
-                    <i class="fas fa-bell"></i>
-                </button>
-            </div>
             <div class="game-controls">
                 <button id="gameButton" class="game-button">Start Game</button>
             </div>
@@ -117,46 +112,6 @@
         </div>
     </div>
       
-    <!-- Push Notification Settings Modal -->
-    <div id="pushSettingsModal" class="modal">
-        <div class="modal-content">
-            <h2>Push Notification Settings</h2>
-            <div class="notification-status-container">
-                <div class="notification-status">
-                    <p><strong>Notification Permission: </strong><span id="notificationPermissionStatus">Unknown</span></p>
-                    <p><strong>Subscription Status: </strong><span id="subscriptionStatus">Unknown</span></p>
-                </div>
-            </div>
-            <div class="form-group">
-                <label for="pushUsername">Username for Push Service</label>
-                <input type="text" id="pushUsername" placeholder="Enter username">
-            </div>
-            <div class="form-group">
-                <label for="pushPassword">Password</label>
-                <input type="password" id="pushPassword" placeholder="Enter password">
-            </div>
-            <div class="advanced-options">
-                <button type="button" id="pushUnsubscribeButton" class="cancel-button">Unsubscribe</button>
-                <button type="button" id="pushResubscribeButton" class="save-button">Subscribe</button>
-            </div>
-            <div class="form-buttons">
-                <button type="button" id="pushCancelButton" class="cancel-button">Cancel</button>
-                <button type="button" id="pushSaveButton" class="save-button">Save</button>
-            </div>
-            
-            <!-- Message Monitor Section - No visible title -->
-            <div class="message-monitor-section">
-                <div class="monitor-controls">
-                    <button type="button" id="simulateClickButton" class="action-button" style="margin-right: 10px;">Simulate Remote Button Click</button>
-                </div>
-                <pre id="swMessagesOutput" class="message-output">Monitoring for service worker messages...</pre>
-            </div>
-        </div>
-    </div>
-      
-    <!-- Load environment configuration first -->
-    <script src="/config.env.js"></script>
-    
     <!-- Main application script -->
     <script type="module" src="/js/app.js"></script>
     <script>
@@ -174,107 +129,13 @@
                     console.log('Notification permission:', permission);
                 });
             }
-            
-            // Helper function to get stored credentials
-            async function getStoredCredentials() {
-                const storedAuth = localStorage.getItem('basicAuthCredentials');
-                if (!storedAuth) return null;
-                
-                try {
-                    const credentials = JSON.parse(storedAuth);
-                    if (!credentials.username || !credentials.password) return null;
-                    return credentials;
-                } catch (error) {
-                    console.error('Failed to parse stored credentials:', error); 
-                    return null;
-                }
-            }
-            
-            // Function to simulate a button click with default values
-            async function simulateButtonClick() {
-                const action = 'SingleClick'; // Default action
-                const buttonName = 'Game-button'; // Default button name
-                const batteryLevel = 100; // Default battery level
-                
-                const output = document.getElementById('swMessagesOutput');
-                // Don't show the simulating text
-                
-                try {
-                    // Get credentials
-                    const credentials = await getStoredCredentials();
-                    if (!credentials) {
-                        output.textContent = 'No credentials found. Please set up credentials first.\n';
-                        return;
-                    }
-                    
-                    // Create basic auth header
-                    const authHeader = 'Basic ' + btoa(`${credentials.username}:${credentials.password}`);
-                    
-                    // Create timestamp (current time)
-                    const timestamp = new Date().toISOString();
-                    
-                    // Prepare request to backend webhook
-                    let backendUrl;
-                    try {
-                        const configModule = await import('/js/config.js');
-                        backendUrl = configModule.getBackendUrl();
-                    } catch (error) {
-                        output.textContent = 'Failed to load backend URL. Please check configuration.\n';
-                        return;
-                    }
-                    
-                    const webhookUrl = `${backendUrl}/webhook/${action}`;
-                    output.textContent = `Sending request to: ${webhookUrl}\n`;
-                    output.textContent += `Authorization: Basic ****\n`;
-                    output.textContent += `Button-Name: ${buttonName}\n`;
-                    output.textContent += `Timestamp: ${timestamp}\n`;
-                    output.textContent += `Button-Battery-Level: ${batteryLevel}\n\n`;
-                    
-                    // Headers similar to the curl command
-                    const headers = {
-                        'Authorization': authHeader,
-                        'Button-Name': buttonName,
-                        'Timestamp': timestamp,
-                        'Button-Battery-Level': batteryLevel.toString()
-                    };
-                    
-                    // Send GET request to webhook
-                    const response = await fetch(webhookUrl, {
-                        method: 'GET',
-                        headers: headers,
-                        credentials: 'include'
-                    });
-                    
-                    if (response.ok) {
-                        let result;
-                        try {
-                            result = await response.json();
-                            output.textContent += `Success! Response: ${JSON.stringify(result, null, 2)}\n`;
-                        } catch (e) {
-                            // Text response
-                            result = await response.text();
-                            output.textContent += `Success! Response: ${result}\n`;
-                        }
-                    } else {
-                        let errorText;
-                        try {
-                            errorText = await response.text();
-                        } catch (e) {
-                            errorText = `Status ${response.status}`;
-                        }
-                        output.textContent += `Error: ${errorText}\n`;
-                    }
-                } catch (error) {
-                    output.textContent += `Error: ${error.message}\n`;
-                }
-            }
-            
-            // Attach click event to the new button
-            const simulateClickButton = document.getElementById('simulateClickButton');
-            if (simulateClickButton) {
-                simulateClickButton.addEventListener('click', simulateButtonClick);
-            }
         });
     </script>
+    <footer class="app-footer">
+        <div class="author-info">
+            <p>Vibe coded by Martin</p>
+            <p>Version 0.0.1</p>
+        </div>
+    </footer> 
 </body>
 </html> 

js

@@ -0,0 +1 @@
+src/js

js/env-loader.js

@@ -1,87 +0,0 @@
-// env-loader.js
-// This module is responsible for loading environment variables for the PWA
-
-// Store environment variables in a global object
-window.ENV_CONFIG = {
-  // Default values that will be overridden when config.env.js loads
-  PUBLIC_VAPID_KEY: 'your_public_vapid_key_here',
-  BACKEND_URL: 'https://your-push-server.example.com'
-};
-
-// Function to load environment variables from config.env.js
-async function loadEnvVariables() {
-  try {
-    // Try to fetch the config.env.js file which will be generated at build time or deployment
-    const response = await fetch('/config.env.js');
-    
-    if (!response.ok) {
-      console.warn('Could not load config.env.js file. Using default values.');
-      return;
-    }
-    
-    const configText = await response.text();
-    
-    // Extract the configuration object from the JavaScript file
-    // The file should be in format: window.ENV_CONFIG = { key: "value" };
-    try {
-      // Create a safe way to evaluate the config file
-      const configScript = document.createElement('script');
-      configScript.textContent = configText;
-      document.head.appendChild(configScript);
-      document.head.removeChild(configScript);
-      
-      console.log('Environment variables loaded successfully from config.env.js');
-      
-      // Dispatch an event to notify that environment variables have been loaded
-      window.dispatchEvent(new CustomEvent('env-config-loaded', { 
-        detail: { config: window.ENV_CONFIG } 
-      }));
-    } catch (parseError) {
-      console.error('Error parsing config.env.js:', parseError);
-    }
-  } catch (error) {
-    console.error('Error loading environment variables:', error);
-  }
-}
-
-// Export function to initialize environment variables
-export async function initEnv() {
-  await loadEnvVariables();
-  return window.ENV_CONFIG;
-}
-
-// Start loading environment variables immediately
-initEnv();
-
-// Export access functions for environment variables
-export function getEnv(key, defaultValue = '') {
-  return window.ENV_CONFIG[key] || defaultValue;
-}
-
-// Export a function to wait for environment variables to be loaded
-export function waitForEnv() {
-  return new Promise((resolve) => {
-    // If we already have non-default values, resolve immediately
-    if (window.ENV_CONFIG.BACKEND_URL !== 'https://your-push-server.example.com') {
-      resolve(window.ENV_CONFIG);
-      return;
-    }
-    
-    // Otherwise, wait for the env-config-loaded event
-    window.addEventListener('env-config-loaded', (event) => {
-      resolve(event.detail.config);
-    }, { once: true });
-    
-    // Set a timeout to resolve with current values if loading takes too long
-    setTimeout(() => {
-      console.warn('Environment loading timed out, using current values');
-      resolve(window.ENV_CONFIG);
-    }, 3000);
-  });
-}
-
-export default {
-  initEnv,
-  getEnv,
-  waitForEnv
-};

js/services/screenLockManager.js

@@ -1,128 +0,0 @@
-// screenLockManager.js - Manages screen wake lock to prevent screen from turning off
-// Uses the Screen Wake Lock API: https://developer.mozilla.org/en-US/docs/Web/API/Screen_Wake_Lock_API
-
-let wakeLock = null;
-let isLockEnabled = false;
-
-/**
- * Requests a screen wake lock to prevent the screen from turning off
- * @returns {Promise<boolean>} - True if wake lock was acquired successfully
- */
-export async function acquireWakeLock() {
-    if (!isScreenWakeLockSupported()) {
-        console.warn('[ScreenLockManager] Screen Wake Lock API not supported in this browser');
-        return false;
-    }
-
-    try {
-        // Release any existing wake lock first
-        await releaseWakeLock();
-        
-        // Request a new wake lock
-        wakeLock = await navigator.wakeLock.request('screen');
-        isLockEnabled = true;
-        
-        console.log('[ScreenLockManager] Screen Wake Lock acquired');
-        
-        // Add event listeners to reacquire the lock when needed
-        setupWakeLockListeners();
-        
-        return true;
-    } catch (error) {
-        console.error('[ScreenLockManager] Error acquiring wake lock:', error);
-        isLockEnabled = false;
-        return false;
-    }
-}
-
-/**
- * Releases the screen wake lock if one is active
- * @returns {Promise<boolean>} - True if wake lock was released successfully
- */
-export async function releaseWakeLock() {
-    if (!wakeLock) {
-        return true; // No wake lock to release
-    }
-    
-    try {
-        await wakeLock.release();
-        wakeLock = null;
-        isLockEnabled = false;
-        console.log('[ScreenLockManager] Screen Wake Lock released');
-        return true;
-    } catch (error) {
-        console.error('[ScreenLockManager] Error releasing wake lock:', error);
-        return false;
-    }
-}
-
-/**
- * Checks if the Screen Wake Lock API is supported in this browser
- * @returns {boolean} - True if supported
- */
-export function isScreenWakeLockSupported() {
-    return 'wakeLock' in navigator && 'request' in navigator.wakeLock;
-}
-
-/**
- * Returns the current status of the wake lock
- * @returns {boolean} - True if wake lock is currently active
- */
-export function isWakeLockActive() {
-    return isLockEnabled && wakeLock !== null;
-}
-
-/**
- * Sets up event listeners to reacquire the wake lock when needed
- * (e.g., when the page becomes visible again after being hidden)
- */
-function setupWakeLockListeners() {
-    // When the page becomes visible again, reacquire the wake lock
-    document.addEventListener('visibilitychange', handleVisibilityChange);
-    
-    // When the screen orientation changes, reacquire the wake lock
-    if ('screen' in window && 'orientation' in window.screen) {
-        window.screen.orientation.addEventListener('change', handleOrientationChange);
-    }
-}
-
-/**
- * Handles visibility change events to reacquire wake lock when page becomes visible
- */
-async function handleVisibilityChange() {
-    if (isLockEnabled && document.visibilityState === 'visible') {
-        // Only try to reacquire if we previously had a lock
-        await acquireWakeLock();
-    }
-}
-
-/**
- * Handles orientation change events to reacquire wake lock
- */
-async function handleOrientationChange() {
-    if (isLockEnabled) {
-        // Some devices may release the wake lock on orientation change
-        await acquireWakeLock();
-    }
-}
-
-/**
- * Initializes the screen lock manager
- * @param {Object} options - Configuration options
- * @param {boolean} options.autoAcquire - Whether to automatically acquire wake lock on init
- * @returns {Promise<boolean>} - True if initialization was successful
- */
-export async function initScreenLockManager(options = {}) {
-    const { autoAcquire = true } = options; // Default to true - automatically acquire on init
-    
-    // Check for support
-    const isSupported = isScreenWakeLockSupported();
-    console.log(`[ScreenLockManager] Screen Wake Lock API ${isSupported ? 'is' : 'is not'} supported`);
-    
-    // Automatically acquire wake lock if supported (now default behavior)
-    if (autoAcquire && isSupported) {
-        return await acquireWakeLock();
-    }
-    
-    return isSupported;
-}

js/services/serviceWorkerManager.js

@@ -1,116 +0,0 @@
-// serviceWorkerManager.js - Service worker registration and Flic integration
-import * as pushFlic from './pushFlicIntegration.js';
-
-// Store the action handlers passed from app.js
-let flicActionHandlers = {};
-
-export function setFlicActionHandlers(handlers) {
-    if (handlers && Object.keys(handlers).length > 0) {
-        flicActionHandlers = handlers;
-        console.log('[ServiceWorkerManager] Stored action handlers:', Object.keys(flicActionHandlers));
-        
-        // Always pass handlers to pushFlic, regardless of service worker state
-        pushFlic.initPushFlic(flicActionHandlers);
-    } else {
-        console.warn('[ServiceWorkerManager] No action handlers provided to setFlicActionHandlers!');
-    }
-}
-
-// --- Flic Integration Setup ---
-export function initFlic() {
-    // Make sure we have handlers before initializing
-    if (Object.keys(flicActionHandlers).length === 0) {
-        console.warn('[ServiceWorkerManager] No Flic handlers registered before initFlic! Actions may not work.');
-    }
-    
-    // This function is used by setupServiceWorker and relies on 
-    // flicActionHandlers being set before this is called
-    console.log('[ServiceWorkerManager] Initializing PushFlic with handlers:', Object.keys(flicActionHandlers));
-    pushFlic.initPushFlic(flicActionHandlers);
-}
-
-// Export functions for manually triggering push notifications setup 
-export function setupPushNotifications() {
-    pushFlic.setupPushNotifications();
-}
-
-// --- Handle Messages from Service Worker ---
-
-export function flicMessageHandler(event) {
-    // This function is passed to setupServiceWorker and called when a message arrives from the service worker
-    console.log('[App] Message received from Service Worker:', event.data);
-    
-    // Check if this is a Flic action message
-    if (event.data && event.data.type === 'flic-action') {
-        const { action, button, timestamp, batteryLevel } = event.data;
-        
-        try {
-            // Pass to push-flic service to handle
-            pushFlic.handleFlicAction(action, button, timestamp, batteryLevel);
-        } catch (error) {
-            console.error('[App] Error handling flic action:', error);
-        }
-    }
-}
-
-// Global message handler function to ensure we catch all service worker messages
-function handleServiceWorkerMessage(event) {
-    // Check if the message might be from our service worker
-    if (event.data && typeof event.data === 'object') {
-        console.log('[App] Potential window message received:', event.data);
-        
-        // If it looks like a flic action message, handle it
-        if (event.data.type === 'flic-action') {
-            try {
-                // Process the message with our flicMessageHandler
-                flicMessageHandler(event);
-            } catch (error) {
-                console.error('[App] Error handling window message:', error);
-            }
-        }
-    }
-}
-
-// --- Service Worker and PWA Setup ---
-export function setupServiceWorker(messageHandler) {
-    if ('serviceWorker' in navigator) {
-        console.log('[ServiceWorkerManager] Setting up service worker...');
-        
-        // Set up global message event listener on window object
-        window.addEventListener('message', handleServiceWorkerMessage);
-        
-        // Listen for messages FROM the Service Worker
-        // This is the main way messages from the service worker are received
-        navigator.serviceWorker.addEventListener('message', event => {
-            console.log('[ServiceWorkerManager] Service worker message received:', event.data);
-            messageHandler(event);
-        });
-        
-        window.addEventListener('load', () => {
-            console.log('[ServiceWorkerManager] Window loaded, registering service worker...');
-            navigator.serviceWorker.register('/sw.js')
-                .then(registration => {
-                    console.log('[ServiceWorkerManager] ServiceWorker registered successfully.');
-                    
-                    // Add an event listener that will work with service worker controlled clients
-                    if (navigator.serviceWorker.controller) {
-                        console.log('[ServiceWorkerManager] Service worker already controlling the page.');
-                    }
-
-                    // Initialize Flic integration
-                    initFlic();
-                })
-                .catch(error => {
-                    console.error('[ServiceWorkerManager] ServiceWorker registration failed:', error);
-                });
-        });
-        
-        // Listen for SW controller changes
-        navigator.serviceWorker.addEventListener('controllerchange', () => {
-            console.log('[ServiceWorkerManager] Service Worker controller changed, potentially updated.');
-        });
-
-    } else {
-        console.warn('[ServiceWorkerManager] ServiceWorker not supported.');
-    }
-}

js/ui/pushSettingsUI.js

@@ -1,435 +0,0 @@
-// pushSettingsUI.js - UI handling for push notification settings
-import { setupPushNotifications } from '../services/serviceWorkerManager.js';
-import { FLIC_BUTTON_ID, getBackendUrl} from '../config.js';
-
-// --- DOM Elements ---
-const elements = {
-    pushSettingsButton: null,
-    pushSettingsModal: null,
-    notificationPermissionStatus: null,
-    subscriptionStatus: null,
-    pushUsername: null,
-    pushPassword: null,
-    pushSaveButton: null,
-    pushCancelButton: null,
-    pushUnsubscribeButton: null,
-    pushResubscribeButton: null,
-    // Message monitor elements
-    swMessagesOutput: null,
-    simulateClickButton: null
-};
-
-// --- State ---
-let currentSubscription = null;
-let messageListener = null;
-let isMonitoring = false;
-
-// --- Initialization ---
-export function initPushSettingsUI() {
-    // Cache DOM elements
-    elements.pushSettingsButton = document.getElementById('pushSettingsButton');
-    elements.pushSettingsModal = document.getElementById('pushSettingsModal');
-    elements.notificationPermissionStatus = document.getElementById('notificationPermissionStatus');
-    elements.subscriptionStatus = document.getElementById('subscriptionStatus');
-    elements.pushUsername = document.getElementById('pushUsername');
-    elements.pushPassword = document.getElementById('pushPassword');
-    elements.pushSaveButton = document.getElementById('pushSaveButton');
-    elements.pushCancelButton = document.getElementById('pushCancelButton');
-    elements.pushUnsubscribeButton = document.getElementById('pushUnsubscribeButton');
-    elements.pushResubscribeButton = document.getElementById('pushResubscribeButton');
-    
-    // Message Monitor elements
-    elements.swMessagesOutput = document.getElementById('swMessagesOutput');
-    elements.simulateClickButton = document.getElementById('simulateClickButton');
-
-    // Set up event listeners
-    elements.pushSettingsButton.addEventListener('click', openPushSettingsModal);
-    elements.pushCancelButton.addEventListener('click', closePushSettingsModal);
-    elements.pushSaveButton.addEventListener('click', saveCredentialsAndSubscribe);
-    elements.pushUnsubscribeButton.addEventListener('click', unsubscribeFromPush);
-    elements.pushResubscribeButton.addEventListener('click', resubscribeToPush);
-
-    // Initial status check
-    updateNotificationStatus();
-}
-
-// --- UI Functions ---
-
-// Open the push settings modal and update statuses
-function openPushSettingsModal() {
-    // Update status displays
-    updateNotificationStatus();
-    updateSubscriptionStatus();
-
-    // Load saved credentials if available
-    loadSavedCredentials();
-
-    // Start monitoring automatically when modal opens
-    startMessageMonitoring();
-
-    // Show the modal
-    elements.pushSettingsModal.classList.add('active');
-}
-
-// Close the push settings modal
-function closePushSettingsModal() {
-    // Stop monitoring when the modal is closed to avoid unnecessary processing
-    stopMessageMonitoring();
-    elements.pushSettingsModal.classList.remove('active');
-}
-
-// --- Message Monitor Functions ---
-
-// Start monitoring service worker messages
-function startMessageMonitoring() {
-    // If already monitoring, don't set up a new listener
-    if (isMonitoring) {
-        return;
-    }
-
-    if (!('serviceWorker' in navigator)) {
-        elements.swMessagesOutput.textContent = 'Service Worker not supported in this browser.';
-        return;
-    }
-
-    // Reset the output area
-    elements.swMessagesOutput.textContent = 'Monitoring for service worker messages...';
-
-    // Create and register the message listener
-    messageListener = function(event) {
-        const now = new Date().toISOString();
-        const formattedMessage = `[${now}] Message received: \n${JSON.stringify(event.data, null, 2)}\n\n`;
-        elements.swMessagesOutput.textContent += formattedMessage;
-        
-        // Auto-scroll to the bottom
-        elements.swMessagesOutput.scrollTop = elements.swMessagesOutput.scrollHeight;
-    };
-
-    // Add the listener
-    navigator.serviceWorker.addEventListener('message', messageListener);
-    isMonitoring = true;
-}
-
-// Stop monitoring service worker messages
-function stopMessageMonitoring() {
-    if (messageListener) {
-        navigator.serviceWorker.removeEventListener('message', messageListener);
-        messageListener = null;
-        isMonitoring = false;
-    }
-}
-
-// Update the notification permission status display
-function updateNotificationStatus() {
-    if (!('Notification' in window)) {
-        elements.notificationPermissionStatus.textContent = 'Not Supported';
-        elements.notificationPermissionStatus.className = 'status-denied';
-        // Disable subscribe button when notifications are not supported
-        elements.pushResubscribeButton.disabled = true;
-        elements.pushResubscribeButton.classList.add('disabled');
-        return;
-    }
-
-    const permission = Notification.permission;
-    elements.notificationPermissionStatus.textContent = permission;
-    
-    switch (permission) {
-        case 'granted':
-            elements.notificationPermissionStatus.className = 'status-granted';
-            // Enable subscribe button when permission is granted
-            elements.pushResubscribeButton.disabled = false;
-            elements.pushResubscribeButton.classList.remove('disabled');
-            break;
-        case 'denied':
-            elements.notificationPermissionStatus.className = 'status-denied';
-            // Disable subscribe button when permission is denied
-            elements.pushResubscribeButton.disabled = true;
-            elements.pushResubscribeButton.classList.add('disabled');
-            break;
-        default:
-            elements.notificationPermissionStatus.className = 'status-default';
-            // Enable subscribe button for default state (prompt)
-            elements.pushResubscribeButton.disabled = false;
-            elements.pushResubscribeButton.classList.remove('disabled');
-    }
-}
-
-// Update the subscription status display
-async function updateSubscriptionStatus() {
-    if (!('serviceWorker' in navigator) || !('PushManager' in window)) {
-        elements.subscriptionStatus.textContent = 'Not Supported';
-        elements.subscriptionStatus.className = 'status-denied';
-        // Disable unsubscribe button when not supported
-        elements.pushUnsubscribeButton.disabled = true;
-        // Set subscribe button text
-        elements.pushResubscribeButton.textContent = 'Subscribe';
-        // Disable simulate button when not supported
-        if (elements.simulateClickButton) {
-            elements.simulateClickButton.disabled = true;
-        }
-        return;
-    }
-
-    try {
-        const registration = await navigator.serviceWorker.ready;
-        currentSubscription = await registration.pushManager.getSubscription();
-        
-        if (currentSubscription) {
-            elements.subscriptionStatus.textContent = 'active';
-            elements.subscriptionStatus.className = 'status-active';
-            // Enable unsubscribe button when subscription is active
-            elements.pushUnsubscribeButton.disabled = false;
-            // Change subscribe button text to "Re-subscribe"
-            elements.pushResubscribeButton.textContent = 'Re-subscribe';
-            // Enable simulate button when subscription is active
-            if (elements.simulateClickButton) {
-                elements.simulateClickButton.disabled = false;
-            }
-        } else {
-            elements.subscriptionStatus.textContent = 'Not Subscribed';
-            elements.subscriptionStatus.className = 'status-inactive';
-            // Disable unsubscribe button when not subscribed
-            elements.pushUnsubscribeButton.disabled = true;
-            // Set subscribe button text
-            elements.pushResubscribeButton.textContent = 'Subscribe';
-            // Disable simulate button when not subscribed
-            if (elements.simulateClickButton) {
-                elements.simulateClickButton.disabled = true;
-            }
-        }
-    } catch (error) {
-        console.error('Error checking subscription status:', error);
-        elements.subscriptionStatus.textContent = 'Error';
-        elements.subscriptionStatus.className = 'status-denied';
-        // Disable unsubscribe button on error
-        elements.pushUnsubscribeButton.disabled = true;
-        // Set subscribe button text
-        elements.pushResubscribeButton.textContent = 'Subscribe';
-        // Disable simulate button on error
-        if (elements.simulateClickButton) {
-            elements.simulateClickButton.disabled = true;
-        }
-    }
-}
-
-// Load saved credentials from localStorage
-function loadSavedCredentials() {
-    try {
-        const storedAuth = localStorage.getItem('basicAuthCredentials');
-        if (storedAuth) {
-            const credentials = JSON.parse(storedAuth);
-            if (credentials.username && credentials.password) {
-                elements.pushUsername.value = credentials.username;
-                elements.pushPassword.value = credentials.password;
-            }
-        }
-    } catch (error) {
-        console.error('Error loading saved credentials:', error);
-    }
-}
-
-// --- Action Functions ---
-
-// Save credentials and close the modal
-async function saveCredentialsAndSubscribe() {
-    const username = elements.pushUsername.value.trim();
-    const password = elements.pushPassword.value.trim();
-    
-    if (!username || !password) {
-        alert('Please enter both username and password');
-        return;
-    }
-    
-    // Save credentials to localStorage
-    const credentials = { username, password };
-    localStorage.setItem('basicAuthCredentials', JSON.stringify(credentials));
-    
-    // Close the modal
-    closePushSettingsModal();
-}
-
-// Unsubscribe from push notifications
-async function unsubscribeFromPush() {
-    if (!currentSubscription) {
-        alert('No active subscription to unsubscribe from');
-        return;
-    }
-    
-    try {
-        await currentSubscription.unsubscribe();
-        await updateSubscriptionStatus();
-        // No success alert
-    } catch (error) {
-        console.error('Error unsubscribing:', error);
-        alert(`Error unsubscribing: ${error.message}`);
-    }
-}
-
-// Subscribe to push notifications
-async function resubscribeToPush() {
-    try {
-        let username = elements.pushUsername.value.trim();
-        let password = elements.pushPassword.value.trim();
-        
-        // If fields are empty, try to use stored credentials
-        if (!username || !password) {
-            try {
-                const storedAuth = localStorage.getItem('basicAuthCredentials');
-                if (storedAuth) {
-                    const credentials = JSON.parse(storedAuth);
-                    if (credentials.username && credentials.password) {
-                        username = credentials.username;
-                        password = credentials.password;
-                        
-                        // Update the form fields with stored values
-                        elements.pushUsername.value = username;
-                        elements.pushPassword.value = password;
-                    }
-                }
-            } catch (error) {
-                console.error('Error loading stored credentials:', error);
-            }
-        }
-        
-        // Check if we have credentials, show alert if missing
-        if (!username || !password) {
-            console.log('No credentials available. Showing alert.');
-            alert('Please enter your username and password to subscribe.');
-            return;
-        }
-        
-        // Save the credentials to localStorage
-        const credentials = { username, password };
-        localStorage.setItem('basicAuthCredentials', JSON.stringify(credentials));
-        console.log('Saved credentials to localStorage');
-        
-        // Use the credentials to subscribe
-        await setupPushNotifications();
-        
-        // Wait a moment for the subscription to complete
-        await new Promise(resolve => setTimeout(resolve, 500));
-        
-        // Get the updated subscription
-        const registration = await navigator.serviceWorker.ready;
-        currentSubscription = await registration.pushManager.getSubscription();
-        
-        // Update the UI directly
-        if (currentSubscription && elements.subscriptionStatus) {
-            elements.subscriptionStatus.textContent = 'active';
-            elements.subscriptionStatus.className = 'status-active';
-            // Enable unsubscribe button when subscription is active
-            elements.pushUnsubscribeButton.disabled = false;
-            // Change subscribe button text to "Re-subscribe"
-            elements.pushResubscribeButton.textContent = 'Re-subscribe';
-            // Enable simulate button when subscription is active
-            if (elements.simulateClickButton) {
-                elements.simulateClickButton.disabled = false;
-            }
-        } else {
-            // Disable unsubscribe button when not subscribed
-            elements.pushUnsubscribeButton.disabled = true;
-            // Set subscribe button text
-            elements.pushResubscribeButton.textContent = 'Subscribe';
-            // Disable simulate button when not subscribed
-            if (elements.simulateClickButton) {
-                elements.simulateClickButton.disabled = true;
-            }
-            // Fall back to the standard update function
-            await updateSubscriptionStatus();
-        }
-    } catch (error) {
-        console.error('Error subscribing:', error);
-        alert(`Error subscribing: ${error.message}`);
-    }
-}
-
-// Manually trigger sendSubscriptionToServer with the current subscription
-export async function sendSubscriptionToServer() {
-    if (!currentSubscription) {
-        await updateSubscriptionStatus();
-        if (!currentSubscription) {
-            // No alert, just return silently
-            return;
-        }
-    }
-    
-    // Get stored credentials
-    let credentials;
-    try {
-        const storedAuth = localStorage.getItem('basicAuthCredentials');
-        if (storedAuth) {
-            credentials = JSON.parse(storedAuth);
-            if (!credentials.username || !credentials.password) {
-                throw new Error('Invalid credentials');
-            }
-        } else {
-            throw new Error('No stored credentials');
-        }
-    } catch (error) {
-        // No alert, just open the modal to let the user set credentials
-        openPushSettingsModal();
-        return;
-    }
-    
-    // Create Basic Auth header
-    const createBasicAuthHeader = (creds) => {
-        return 'Basic ' + btoa(`${creds.username}:${creds.password}`);
-    };
-    
-    const headers = { 
-        'Content-Type': 'application/json',
-        'Authorization': createBasicAuthHeader(credentials)
-    };
-    
-    try {
-        // Make the request to the server
-        const response = await fetch(`${getBackendUrl()}/subscribe`, {
-            method: 'POST',
-            body: JSON.stringify({ 
-                button_id: FLIC_BUTTON_ID, 
-                subscription: currentSubscription 
-            }),
-            headers: headers,
-            credentials: 'include'
-        });
-        
-        if (response.ok) {
-            const result = await response.json();
-            // No success alert
-            
-            // Update the currentSubscription variable
-            const registration = await navigator.serviceWorker.ready;
-            currentSubscription = await registration.pushManager.getSubscription();
-            
-            // Directly update the subscription status element in the DOM
-            if (currentSubscription && elements.subscriptionStatus) {
-                elements.subscriptionStatus.textContent = 'active';
-                elements.subscriptionStatus.className = 'status-active';
-                // Enable unsubscribe button when subscription is active
-                elements.pushUnsubscribeButton.disabled = false;
-                // Change subscribe button text to "Re-subscribe"
-                elements.pushResubscribeButton.textContent = 'Re-subscribe';
-                // Enable simulate button when subscription is active
-                if (elements.simulateClickButton) {
-                    elements.simulateClickButton.disabled = false;
-                }
-            }
-        } else {
-            let errorMsg = `Server error: ${response.status}`;
-            if (response.status === 401 || response.status === 403) {
-                localStorage.removeItem('basicAuthCredentials');
-                errorMsg = 'Authentication failed. Credentials cleared.';
-            } else {
-                try { 
-                    const errorData = await response.json();
-                    errorMsg = errorData.message || errorMsg; 
-                } catch (e) { /* use default */ }
-            }
-            // No error alert, just log the error
-            console.error(`Failed to send subscription: ${errorMsg}`);
-        }
-    } catch (error) {
-        // No error alert, just log the error
-        console.error(`Network error: ${error.message}`);
-    }
-}

manifest.json

@@ -1,16 +1,13 @@
 {
-  "name": "Game Timer",
+  "name": "Game Timer PWA",
-  "short_name": "Timer",
+  "short_name": "Game Timer",
-  "author": "Martin",
-  "version": "0.0.1",
-  "version_name": "0.0.1",
   "description": "Multi-player chess-like timer with carousel navigation",
-  "start_url": "/",
+  "start_url": "/index.html",
   "id": "/index.html",
   "display": "standalone",
   "display_override": ["window-controls-overlay", "standalone", "minimal-ui"],
-  "background_color": "#ffffff",
+  "background_color": "#f5f5f5",
-  "theme_color": "#000000",
+  "theme_color": "#2c3e50",
   "icons": [
     {
       "src": "/icons/android-chrome-192x192.png",
@@ -41,13 +38,13 @@
   "screenshots": [
     {
       "src": "/images/screenshot1.png",
-      "sizes": "2212×1614",
+      "sizes": "2560x1860",
       "type": "image/png",
       "form_factor": "wide"
     },
     {
       "src": "/images/screenshot2.png",
-      "sizes": "828×1912",
+      "sizes": "750x1594",
       "type": "image/png"
     }
   ]

package.json

@@ -7,9 +7,7 @@
     "docker:build": "docker build -t 'game-timer:latest' .",
     "start": "docker run -d -p 80:80 --name game-timer game-timer:latest",
     "stop": "docker stop game-timer && docker rm game-timer",
-    "rebuild": "npm run stop || true && npm run docker:build && npm run start",
+    "rebuild": "npm run stop || true && npm run docker:build && npm run start"
-    "generate-config": "./generate-config.sh",
-    "dev": "./dev-start.sh"
   },
   "keywords": [
     "timer",

src/js/app.js

@@ -4,14 +4,15 @@ import * as state from './core/state.js';
 import * as ui from './ui/ui.js';
 import * as timer from './core/timer.js';
 import camera from './ui/camera.js'; // Default export
-import * as pushSettingsUI from './ui/pushSettingsUI.js'; // Import the new push settings UI module
+import audioManager from './ui/audio.js';
+import * as pushFlic from './services/pushFlicIntegration.js';
+import { initEnv } from './env-loader.js';
 
 // Import externalized modules
 import * as gameActions from './core/gameActions.js';
 import * as playerManager from './core/playerManager.js';
 import * as eventHandlers from './core/eventHandlers.js';
 import * as serviceWorkerManager from './services/serviceWorkerManager.js';
-import * as screenLockManager from './services/screenLockManager.js'; // Import the screen lock manager
 
 // --- Initialization ---
 
@@ -20,9 +21,8 @@ async function initialize() {
 
     // 0. Wait for environment variables to load
     try {
-        // Use the ensureEnvLoaded function from config.js to make sure environment variables are loaded
+        await initEnv();
-        await config.ensureEnvLoaded();
+        console.log("Environment variables loaded");
-        console.log("Environment variables loaded and verified");
     } catch (error) {
         console.warn("Failed to load environment variables, using defaults:", error);
     }
@@ -30,23 +30,6 @@ async function initialize() {
     // 1. Load saved state or defaults
     state.loadData();
 
-    // Setup Flic action handlers early in the initialization process
-    // to ensure they're available when the service worker initializes
-    const flicActionHandlers = {
-        [config.FLIC_ACTIONS.SINGLE_CLICK]: playerManager.nextPlayer,
-        [config.FLIC_ACTIONS.DOUBLE_CLICK]: playerManager.previousPlayer,
-        [config.FLIC_ACTIONS.HOLD]: gameActions.togglePauseResume,
-    };
-    
-    // Log the registered handlers for debugging
-    console.log("Registering Flic action handlers:", {
-        "SingleClick": config.FLIC_ACTIONS.SINGLE_CLICK,
-        "DoubleClick": config.FLIC_ACTIONS.DOUBLE_CLICK,
-        "Hold": config.FLIC_ACTIONS.HOLD
-    });
-    
-    serviceWorkerManager.setFlicActionHandlers(flicActionHandlers);
-
     // 2. Initialize UI (pass carousel swipe handler)
     ui.initUI({
         onCarouselSwipe: (direction) => {
@@ -87,21 +70,22 @@ async function initialize() {
     ui.elements.resetCancelButton.addEventListener('click', eventHandlers.handleResetCancel);
     ui.elements.cameraButton.addEventListener('click', eventHandlers.handleCameraButtonClick);
 
-    // 6. Initialize Push Notification Settings UI
+    // 6. Setup Flic action handlers
-    pushSettingsUI.initPushSettingsUI();
+    const flicActionHandlers = {
+        [config.FLIC_ACTIONS.SINGLE_CLICK]: playerManager.nextPlayer,
+        [config.FLIC_ACTIONS.DOUBLE_CLICK]: playerManager.previousPlayer,
+        [config.FLIC_ACTIONS.HOLD]: gameActions.togglePauseResume,
+    };
+    serviceWorkerManager.setFlicActionHandlers(flicActionHandlers);
 
     // 7. Setup Service Worker (which also initializes Flic)
-    serviceWorkerManager.setupServiceWorker(serviceWorkerManager.flicMessageHandler);
+    serviceWorkerManager.setupServiceWorker(serviceWorkerManager.handleServiceWorkerMessage);
 
-    // 8. Initialize Screen Lock Manager (automatically acquires wake lock)
+    // 8. Initial UI Update based on loaded state
-    const screenLockSupported = await screenLockManager.initScreenLockManager();
-    console.log(`Screen Wake Lock API ${screenLockSupported ? 'is' : 'is not'} supported`);
-
-    // 9. Initial UI Update based on loaded state
     ui.renderPlayers();
     ui.updateGameButton();
 
-    // 10. Reset running state to paused on load
+    // 9. Reset running state to paused on load
     if (state.getGameState() === config.GAME_STATES.RUNNING) {
         console.log("Game was running on load, setting to paused.");
         state.setGameState(config.GAME_STATES.PAUSED);

src/js/config.js

@@ -1,38 +1,20 @@
 // config.js
-import { getEnv, waitForEnv } from './env-loader.js';
+import { getEnv } from './env-loader.js';
 
-// Initialize environment variables
-let envInitialized = false;
-let initPromise = null;
-
-// Function to ensure environment variables are loaded
-export async function ensureEnvLoaded() {
-  if (envInitialized) return;
-  
-  if (!initPromise) {
-    initPromise = waitForEnv().then(() => {
-      envInitialized = true;
-      console.log('Environment variables loaded in config.js');
-    });
-  }
-  
-  return initPromise;
-}
-
-// Initialize immediately
-ensureEnvLoaded();
-
-// Direct access to environment variables (synchronous, may return default values if called too early)
 export function getPublicVapidKey() {
-  return getEnv('PUBLIC_VAPID_KEY');
+    // Get the VAPID key from environment variables through the env-loader
+    return getEnv('PUBLIC_VAPID_KEY', 'BKfRJXjSQmAJ452gLwlK_8scGrW6qMU1mBRp39ONtcQHkSsQgmLAaODIyGbgHyRpnDEv3HfXV1oGh3SC0fHxY0E');
 }
 
-export function getBackendUrl() {
+// The VAPID key should not be exposed directly in the source code
-    return getEnv('BACKEND_URL');
+// Use the getter function instead: getPublicVapidKey()
-}
+// export const PUBLIC_VAPID_KEY = 'BKfRJXjSQmAJ452gLwlK_8scGrW6qMU1mBRp39ONtcQHkSsQgmLAaODIyGbgHyRpnDEv3HfXV1oGh3SC0fHxY0E';
 
+// Get backend URL from environment variables
+export const BACKEND_URL = getEnv('BACKEND_URL', 'https://webpush.virtonline.eu');
 export const FLIC_BUTTON_ID = 'game-button'; // Example ID, might need configuration
 export const LOCAL_STORAGE_KEY = 'gameTimerData';
+export const FLIC_BATTERY_THRESHOLD = 50; // Battery percentage threshold for low battery warning
 
 // Default player settings
 export const DEFAULT_PLAYER_TIME_SECONDS = 300; // 5 minutes

src/js/core/gameActions.js

@@ -4,7 +4,6 @@ import * as state from './state.js';
 import * as ui from '../ui/ui.js';
 import * as timer from './timer.js';
 import audioManager from '../ui/audio.js';
-import * as screenLockManager from '../services/screenLockManager.js'; // Import screen lock manager
 
 // --- Core Game Actions ---
 
@@ -13,14 +12,6 @@ export function handleGameOver() {
     state.setGameState(config.GAME_STATES.OVER);
     audioManager.play('gameOver');
     timer.stopTimer(); // Ensure timer is stopped
-    
-    // Release screen wake lock when game is over
-    screenLockManager.releaseWakeLock().then(success => {
-        if (success) {
-            console.log('Screen wake lock released on game over');
-        }
-    });
-    
     ui.updateGameButton();
     ui.renderPlayers(); // Update to show final state
 }
@@ -34,16 +25,6 @@ export function startGame() {
         state.setGameState(config.GAME_STATES.RUNNING);
         audioManager.play('gameStart');
         timer.startTimer();
-        
-        // Acquire screen wake lock when game starts
-        screenLockManager.acquireWakeLock().then(success => {
-            if (success) {
-                console.log('Screen wake lock acquired for game');
-            } else {
-                console.warn('Failed to acquire screen wake lock');
-            }
-        });
-        
         ui.updateGameButton();
         ui.renderPlayers(); // Ensure active timer styling is applied
     }
@@ -54,14 +35,6 @@ export function pauseGame() {
         state.setGameState(config.GAME_STATES.PAUSED);
         audioManager.play('gamePause');
         timer.stopTimer();
-        
-        // Release screen wake lock when game is paused
-        screenLockManager.releaseWakeLock().then(success => {
-            if (success) {
-                console.log('Screen wake lock released on pause');
-            }
-        });
-        
         ui.updateGameButton();
         ui.renderPlayers(); // Ensure active timer styling is removed
     }
@@ -103,14 +76,6 @@ export function resetGame() {
     state.resetPlayersTime();
     state.setGameState(config.GAME_STATES.SETUP);
     state.setCurrentPlayerIndex(0); // Go back to first player
-    
-    // Release screen wake lock when game is reset
-    screenLockManager.releaseWakeLock().then(success => {
-        if (success) {
-            console.log('Screen wake lock released on reset');
-        }
-    });
-    
     audioManager.play('buttonClick'); // Or a specific reset sound?
     ui.updateGameButton();
     ui.renderPlayers();
@@ -119,14 +84,6 @@ export function resetGame() {
 export function fullResetApp() {
     timer.stopTimer();
     state.resetToDefaults();
-    
-    // Release screen wake lock on full reset
-    screenLockManager.releaseWakeLock().then(success => {
-        if (success) {
-            console.log('Screen wake lock released on full reset');
-        }
-    });
-    
     audioManager.play('gameOver'); // Use game over sound for full reset
     ui.hideResetModal();
     ui.updateGameButton();

src/js/env-loader.js

@@ -0,0 +1,88 @@
+// env-loader.js
+// This module is responsible for loading environment variables from .env file
+
+// Store environment variables in a global object
+window.ENV_CONFIG = {};
+
+// Function to load environment variables from .env file
+async function loadEnvVariables() {
+  try {
+    // Fetch the .env file as text
+    const response = await fetch('/.env');
+    
+    if (!response.ok) {
+      console.warn('Could not load .env file. Using default values.');
+      setDefaultEnvValues();
+      return;
+    }
+    
+    const envText = await response.text();
+    
+    // Parse the .env file content
+    const envVars = parseEnvFile(envText);
+    
+    // Store in the global ENV_CONFIG object
+    window.ENV_CONFIG = { ...window.ENV_CONFIG, ...envVars };
+    
+    console.log('Environment variables loaded successfully');
+  } catch (error) {
+    console.error('Error loading environment variables:', error);
+    setDefaultEnvValues();
+  }
+}
+
+// Parse .env file content into key-value pairs
+function parseEnvFile(envText) {
+  const envVars = {};
+  
+  // Split by lines and process each line
+  envText.split('\n').forEach(line => {
+    // Skip empty lines and comments
+    if (!line || line.trim().startsWith('#')) return;
+    
+    // Extract key-value pairs
+    const match = line.match(/^\s*([\w.-]+)\s*=\s*(.*)?\s*$/);
+    if (match) {
+      const key = match[1];
+      let value = match[2] || '';
+      
+      // Remove quotes if present
+      if (value.startsWith('"') && value.endsWith('"')) {
+        value = value.slice(1, -1);
+      }
+      
+      envVars[key] = value;
+    }
+  });
+  
+  return envVars;
+}
+
+// Set default values for required environment variables
+function setDefaultEnvValues() {
+  window.ENV_CONFIG = {
+    ...window.ENV_CONFIG,
+    PUBLIC_VAPID_KEY: 'your_public_vapid_key_here',
+    BACKEND_URL: 'https://your-push-server.example.com'
+  };
+  console.log('Using default environment values');
+}
+
+// Export function to initialize environment variables
+export async function initEnv() {
+  await loadEnvVariables();
+  return window.ENV_CONFIG;
+}
+
+// Auto-initialize when imported
+initEnv();
+
+// Export access functions for environment variables
+export function getEnv(key, defaultValue = '') {
+  return window.ENV_CONFIG[key] || defaultValue;
+}
+
+export default {
+  initEnv,
+  getEnv
+}; 

src/js/services/pushFlicIntegration.js

@@ -1,8 +1,9 @@
 // pushFlicIntegration.js
-import { getPublicVapidKey, getBackendUrl, FLIC_BUTTON_ID} from '../config.js';
+import { getPublicVapidKey, BACKEND_URL, FLIC_BUTTON_ID, FLIC_ACTIONS, FLIC_BATTERY_THRESHOLD } from '../config.js';
 
 let pushSubscription = null; // Keep track locally if needed
 let actionHandlers = {}; // Store handlers for different Flic actions
+let lastBatteryWarningTimestamp = 0; // Track when last battery warning was shown
 
 // --- Helper Functions ---
 
@@ -28,6 +29,19 @@ function getBasicAuthCredentials() {
     return null;
 }
 
+// Prompt the user for credentials after permissions are granted
+function promptForCredentials() {
+    console.log('Prompting user for auth credentials.');
+    const username = prompt('Please enter your username for backend authentication:');
+    if (!username) return null;
+    const password = prompt('Please enter your password:');
+    if (!password) return null;
+    
+    const credentials = { username, password };
+    localStorage.setItem('basicAuthCredentials', JSON.stringify(credentials));
+    return credentials;
+}
+
 // Create Basic Auth header string
 function createBasicAuthHeader(credentials) {
     if (!credentials?.username || !credentials.password) return null;
@@ -54,6 +68,31 @@ function arrayBufferToBase64(buffer) {
     return window.btoa(binary).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
 }
 
+// Show a popup notification to the user
+function showBatteryWarning(batteryLevel) {
+    // Only show warning once every 4 hours (to avoid annoying users)
+    const now = Date.now();
+    const fourHoursInMs = 4 * 60 * 60 * 1000;
+    
+    if (now - lastBatteryWarningTimestamp < fourHoursInMs) {
+        console.log(`[PushFlic] Battery warning suppressed (shown recently): ${batteryLevel}%`);
+        return;
+    }
+    
+    lastBatteryWarningTimestamp = now;
+    
+    // Show the notification
+    const message = `Flic button battery is low (${batteryLevel}%). Please replace the battery soon.`;
+    
+    // Show browser notification if permission granted
+    if (Notification.permission === 'granted') {
+        new Notification('Flic Button Low Battery', {
+            body: message,
+            icon: '/public/favicon.ico'
+        });
+    }
+}
+
 // --- Push Subscription Logic ---
 
 async function subscribeToPush() {
@@ -77,24 +116,27 @@ async function subscribeToPush() {
         
         console.log('Notification permission granted.');
         
-        // Get stored credentials but don't prompt
+        // After permission is granted, check for stored credentials or prompt user
         let credentials = getBasicAuthCredentials();
-        const hasExistingCreds = !!credentials;
-        console.log('Has existing credentials:', hasExistingCreds);
-        
-        // No prompting for credentials - user must enter them manually in the UI
         if (!credentials) {
-            console.log('No credentials found. User needs to enter them manually.');
+            const confirmAuth = confirm('Do you want to set up credentials for push notifications now?');
-            // Just return if no credentials are available
+            if (!confirmAuth) {
-            return;
+                console.log('User declined to provide auth credentials.');
+                return;
+            }
+            
+            credentials = promptForCredentials();
+            if (!credentials) {
+                console.log('User canceled credential input.');
+                alert('Authentication required to set up push notifications.');
+                return;
+            }
         }
 
         const registration = await navigator.serviceWorker.ready;
         let existingSubscription = await registration.pushManager.getSubscription();
         let needsResubscribe = !existingSubscription;
 
-        console.log('Existing subscription found:', !!existingSubscription);
-
         if (existingSubscription) {
             const existingKey = existingSubscription.options?.applicationServerKey;
             if (!existingKey || arrayBufferToBase64(existingKey) !== getPublicVapidKey()) {
@@ -112,18 +154,12 @@ async function subscribeToPush() {
         if (needsResubscribe) {
             console.log('Subscribing for push notifications...');
             const applicationServerKey = urlBase64ToUint8Array(getPublicVapidKey());
-            try {
+            finalSubscription = await registration.pushManager.subscribe({
-                finalSubscription = await registration.pushManager.subscribe({
+                userVisibleOnly: true,
-                    userVisibleOnly: true,
+                applicationServerKey: applicationServerKey
-                    applicationServerKey: applicationServerKey
+            });
-                });
+             console.log('New push subscription obtained:', finalSubscription);
-                console.log('New push subscription obtained:', finalSubscription);
+             pushSubscription = finalSubscription; // Store it
-                pushSubscription = finalSubscription; // Store it
-            } catch (subscribeError) {
-                console.error('Error subscribing to push:', subscribeError);
-                alert(`Failed to subscribe: ${subscribeError.message}`);
-                return;
-            }
         }
 
         if (!finalSubscription) {
@@ -144,8 +180,20 @@ async function sendSubscriptionToServer(subscription, buttonId) {
     console.log(`Sending subscription for button "${buttonId}" to backend...`);
     const credentials = getBasicAuthCredentials();
     if (!credentials) {
-        console.log('No credentials found. User needs to enter them manually.');
+        // One more chance to enter credentials if needed
-        return;
+        const confirmAuth = confirm('Authentication required to complete setup. Provide credentials now?');
+        if (!confirmAuth) {
+            alert('Authentication required to save button link.');
+            return;
+        }
+        
+        const newCredentials = promptForCredentials();
+        if (!newCredentials) {
+            alert('Authentication required to save button link.');
+            return;
+        }
+        
+        credentials = newCredentials;
     }
 
     const headers = { 'Content-Type': 'application/json' };
@@ -154,7 +202,7 @@ async function sendSubscriptionToServer(subscription, buttonId) {
 
     try {
         // Add support for handling CORS preflight with credentials
-        const response = await fetch(`${getBackendUrl()}/subscribe`, {
+        const response = await fetch(`${BACKEND_URL}/subscribe`, {
             method: 'POST',
             body: JSON.stringify({ button_id: buttonId, subscription: subscription }),
             headers: headers,
@@ -164,27 +212,7 @@ async function sendSubscriptionToServer(subscription, buttonId) {
         if (response.ok) {
             const result = await response.json();
             console.log('Subscription sent successfully:', result.message);
-            
+            alert('Push notification setup completed successfully!');
-            // Update the UI to show subscription status as active
-            const subscriptionStatusElement = document.getElementById('subscriptionStatus');
-            if (subscriptionStatusElement) {
-                subscriptionStatusElement.textContent = 'active';
-                subscriptionStatusElement.className = 'status-active';
-                
-                // Enable unsubscribe button when subscription is active
-                const unsubscribeButton = document.getElementById('pushUnsubscribeButton');
-                if (unsubscribeButton) unsubscribeButton.disabled = false;
-                
-                // Change subscribe button text to "Re-subscribe"
-                const resubscribeButton = document.getElementById('pushResubscribeButton');
-                if (resubscribeButton) resubscribeButton.textContent = 'Re-subscribe';
-                
-                // Enable simulate button when subscription is active
-                const simulateButton = document.getElementById('simulateClickButton');
-                if (simulateButton) simulateButton.disabled = false;
-            }
-            
-            // Success alert removed as requested
         } else {
             let errorMsg = `Server error: ${response.status}`;
             if (response.status === 401 || response.status === 403) {
@@ -208,6 +236,11 @@ async function sendSubscriptionToServer(subscription, buttonId) {
 export function handleFlicAction(action, buttonId, timestamp, batteryLevel) {
     console.log(`[PushFlic] Received Action: ${action} from Button: ${buttonId} battery: ${batteryLevel}% at ${timestamp}`);
     
+    // Check if battery is below threshold and show warning if needed
+    if (batteryLevel < FLIC_BATTERY_THRESHOLD) {
+        showBatteryWarning(batteryLevel);
+    }
+
     // Ignore actions from buttons other than the configured one
     if (buttonId !== FLIC_BUTTON_ID) {
         console.warn(`[PushFlic] Ignoring action from unknown button: ${buttonId}`);
@@ -216,36 +249,35 @@ export function handleFlicAction(action, buttonId, timestamp, batteryLevel) {
 
     // Find the registered handler for this action
     const handler = actionHandlers[action];
-    
     if (handler && typeof handler === 'function') {
         console.log(`[PushFlic] Executing handler for ${action}`);
-        try {
+        // Execute the handler registered in app.js
-            // Execute the handler registered in app.js
+        handler(); // Use the handler function directly instead of hardcoded function calls
-            handler();
-            // Log success
-            console.log(`[PushFlic] Successfully executed handler for ${action}`);
-        } catch (error) {
-            console.error(`[PushFlic] Error executing handler for ${action}:`, error);
-        }
     } else {
-        console.warn(`[PushFlic] No handler registered for action: ${action}. Available handlers:`, Object.keys(actionHandlers));
+        console.warn(`[PushFlic] No handler registered for action: ${action}`);
     }
 }
 
 // --- Initialization ---
 
-// Initialize PushFlic with action handlers
 export function initPushFlic(handlers) {
-    if (handlers && Object.keys(handlers).length > 0) {
+    actionHandlers = handlers; // Store the handlers passed from app.js
-        actionHandlers = handlers;
+    // Example: handlers = { SingleClick: handleNextPlayer, Hold: handleTogglePause }
-        console.log('[PushFlic] Stored action handlers:', Object.keys(actionHandlers));
+
-    } else {
+    // Attempt to subscribe immediately if permission might already be granted
-        console.warn('[PushFlic] No action handlers provided to initPushFlic!');
+    // Or trigger subscription on a user action (e.g., a "Link Flic Button" button)
+    // For simplicity, let's try subscribing if SW is ready and permission allows
+    if ('serviceWorker' in navigator) {
+        navigator.serviceWorker.ready.then(registration => {
+            Notification.requestPermission().then(permission => {
+                if (permission === 'granted') {
+                    console.log('[PushFlic] Permission granted, attempting subscription.');
+                    subscribeToPush();
+                } else {
+                    console.log('[PushFlic] Notification permission not granted.');
+                    // Optionally provide a button for the user to trigger subscription later
+                }
+            });
+        });
     }
 }
-
-// New function to manually trigger the subscription process
-export function setupPushNotifications() {
-    console.log('[PushFlic] Manually triggering push notification setup');
-    subscribeToPush();
-}

src/js/services/serviceWorkerManager.js

@@ -0,0 +1,58 @@
+// serviceWorkerManager.js - Service worker registration and Flic integration
+import * as config from '../config.js';
+import * as pushFlic from './pushFlicIntegration.js';
+
+// Store the action handlers passed from app.js
+let flicActionHandlers = {};
+
+export function setFlicActionHandlers(handlers) {
+    flicActionHandlers = handlers;
+}
+
+// --- Flic Integration Setup ---
+export function initFlic() {
+    // This function is used by setupServiceWorker and relies on 
+    // flicActionHandlers being set before this is called
+    pushFlic.initPushFlic(flicActionHandlers);
+}
+
+export function handleServiceWorkerMessage(event) {
+    console.log('[App] Message received from Service Worker:', event.data);
+    if (event.data?.type === 'flic-action') {
+        const { action, button, timestamp, batteryLevel } = event.data;
+        if (flicActionHandlers[action]) {
+            flicActionHandlers[action]();
+        } else {
+            pushFlic.handleFlicAction(action, button, timestamp, batteryLevel);
+        }
+    }
+}
+
+// --- Service Worker and PWA Setup ---
+export function setupServiceWorker(messageHandler) {
+    if ('serviceWorker' in navigator) {
+        window.addEventListener('load', () => {
+            navigator.serviceWorker.register('/sw.js')
+                .then(registration => {
+                    console.log('ServiceWorker registered successfully.');
+
+                    // Listen for messages FROM the Service Worker (e.g., Flic actions)
+                    navigator.serviceWorker.addEventListener('message', messageHandler);
+
+                    // Initialize Flic integration (which will try to subscribe)
+                    initFlic();
+                })
+                .catch(error => {
+                    console.error('ServiceWorker registration failed:', error);
+                });
+        });
+        // Listen for SW controller changes
+        navigator.serviceWorker.addEventListener('controllerchange', () => {
+            console.log('Service Worker controller changed, potentially updated.');
+            // window.location.reload(); // Consider prompting user to reload
+        });
+
+    } else {
+        console.warn('ServiceWorker not supported.');
+    }
+} 

sw.js

@@ -5,34 +5,29 @@ const CACHE_NAME = `game-timer-${CACHE_VERSION}`;
 // Files to cache
 const CACHE_FILES = [
   '/',
+  '/sw.js',
   '/index.html',
   '/manifest.json',
-  '/sw.js',
-  '/favicon.ico',
-  '/config.env.js',
   '/css/styles.css',
+  '/favicon.ico',
   '/icons/android-chrome-192x192.png',
   '/icons/android-chrome-512x512.png',
   '/icons/apple-touch-icon.png',
   '/icons/favicon-32x32.png',
   '/icons/favicon-16x16.png',
-  '/images/screenshot1.png',
-  '/images/screenshot2.png',
   '/js/app.js',
   '/js/config.js',
   '/js/env-loader.js',
-  '/js/core/eventHandlers.js',
-  '/js/core/gameActions.js',
-  '/js/core/playerManager.js',
-  '/js/core/state.js',
-  '/js/core/timer.js',
-  '/js/services/pushFlicIntegration.js',
-  '/js/services/screenLockManager.js',
-  '/js/services/serviceWorkerManager.js',
   '/js/ui/audio.js',
   '/js/ui/camera.js',
-  '/js/ui/pushSettingsUI.js',
+  '/js/ui/ui.js',
-  '/js/ui/ui.js'
+  '/js/core/state.js',
+  '/js/core/timer.js',
+  '/js/core/gameActions.js',
+  '/js/core/playerManager.js',
+  '/js/core/eventHandlers.js',
+  '/js/services/pushFlicIntegration.js',
+  '/js/services/serviceWorkerManager.js'
 ];
 
 // Install event - Cache files
@@ -70,15 +65,6 @@ self.addEventListener('activate', event => {
   );
 });
 
-self.addEventListener('fetch', (event) => {
-  console.log('[ServiceWorker] Fetch');
-  event.respondWith(
-      caches.match(event.request).then((cachedResponse) => {
-          return cachedResponse || fetch(event.request);
-      })
-  );
-});
-
 // Helper function to determine if a response should be cached
 function shouldCacheResponse(request, response) {
   // Only cache GET requests
@@ -105,8 +91,7 @@ self.addEventListener('push', event => {
     data: { 
       action: 'Unknown', 
       button: 'Unknown',
-      batteryLevel: undefined,
+      batteryLevel: undefined
-      timestamp: new Date().toISOString()
     }
   };
 
@@ -120,15 +105,9 @@ self.addEventListener('push', event => {
       pushData = {
         title: parsedData.title || pushData.title,
         body: parsedData.body || pushData.body,
-        data: parsedData.data || pushData.data
+        data: parsedData.data || pushData.data // Expecting { action: 'SingleClick', button: 'game-button', batteryLevel: 75 }
       };
       
-      // Ensure all required fields are present in data
-      pushData.data = pushData.data || {};
-      if (!pushData.data.timestamp) {
-        pushData.data.timestamp = new Date().toISOString();
-      }
-      
     } catch (e) {
       console.error('[ServiceWorker] Error parsing push data:', e);
       // Use default notification if parsing fails
@@ -141,58 +120,65 @@ self.addEventListener('push', event => {
   // --- Send message to client(s) ---
   const messagePayload = {
     type: 'flic-action', // Custom message type
-    action: pushData.data.action || 'Unknown', // e.g., 'SingleClick', 'DoubleClick', 'Hold'
+    action: pushData.data.action, // e.g., 'SingleClick', 'DoubleClick', 'Hold'
-    button: pushData.data.button || 'Unknown',  // e.g., the button name
+    button: pushData.data.button,  // e.g., the button name
-    timestamp: pushData.data.timestamp || new Date().toISOString(), // e.g., the timestamp of the action
+    timestamp: pushData.data.timestamp, // e.g., the timestamp of the action
     batteryLevel: pushData.data.batteryLevel // e.g., the battery level percentage
   };
 
-  console.log('[ServiceWorker] Preparing message payload:', messagePayload);
+  // Send message to all open PWA windows controlled by this SW
-  
   event.waitUntil(
     self.clients.matchAll({
-      type: 'window',
+      type: 'window', // Only target window clients
-      includeUncontrolled: true
+      includeUncontrolled: true // Include clients that might not be fully controlled yet
     }).then(clientList => {
       if (!clientList || clientList.length === 0) {
-        // No clients available, just resolve
+        console.log('[ServiceWorker] No client windows found to send message to.');
-        return Promise.resolve();
+        // If no window is open, we MUST show a notification
+        return self.registration.showNotification(pushData.title, {
+          body: pushData.body,
+          icon: '/icons/android-chrome-192x192.png', // Updated path
+          data: pushData.data // Pass data if needed when notification is clicked
+        });
       }
 
-      // Post message to each client with improved reliability
+      // Post message to each client
       let messageSent = false;
-      const sendPromises = clientList.map(client => {
+      clientList.forEach(client => {
         console.log(`[ServiceWorker] Posting message to client: ${client.id}`, messagePayload);
-        try {
+        client.postMessage(messagePayload);
-          // Try to send the message and mark it as sent
+        messageSent = true; // Mark that we at least tried to send a message
-          client.postMessage(messagePayload);
-          messageSent = true;
-          
-          // Just return true to indicate message was sent
-          return Promise.resolve(true);
-        } catch (error) {
-          console.error('[ServiceWorker] Error posting message to client:', error);
-          return Promise.resolve(false);
-        }
       });
 
-      return Promise.all(sendPromises).then(() => {
+      // Decide whether to still show a notification even if a window is open.
-        // No notifications will be shown for any action, including low battery
+      // Generally good practice unless you are SURE the app will handle it visibly.
-        return Promise.resolve();
+      // You might choose *not* to show a notification if a client was found and focused.
-      });
+      // For simplicity here, we'll still show one. Adjust as needed.
+      if (!messageSent) { // Only show notification if no message was sent? Or always show?
+        return self.registration.showNotification(pushData.title, {
+          body: pushData.body,
+          icon: '/icons/android-chrome-192x192.png',
+          data: pushData.data
+        });
+      }
     })
   );
-});
 
-// Listen for messages from client
+  // --- Show a notification (Important!) ---
-self.addEventListener('message', event => {
+  // Push notifications generally REQUIRE showing a notification to the user
-  const message = event.data;
+  // unless the PWA is already in the foreground AND handles the event visually.
-  
+  // It's safer to always show one unless you have complex foreground detection.
-  if (!message || typeof message !== 'object') {
+  /* This part is now handled inside the clients.matchAll promise */
-    return;
+  /*
-  }
+  const notificationOptions = {
-  
+      body: pushData.body,
-  // No battery-related handling
+      icon: './icons/android-chrome-192x192.png', // Optional: path to an icon
+      data: pushData.data // Attach data if needed when notification is clicked
+  };
+  event.waitUntil(
+      self.registration.showNotification(pushData.title, notificationOptions)
+  );
+  */
 });
 
 // This helps with navigation after app is installed

test.html

@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Service Worker Test</title>
+</head>
+<body>
+    <h1>Service Worker Test</h1>
+    <p>This page tests if the service worker is registered correctly.</p>
+    <div id="status">Checking service worker registration...</div>
+
+    <script>
+        const statusDiv = document.getElementById('status');
+        
+        if ('serviceWorker' in navigator) {
+            navigator.serviceWorker.register('/sw.js')
+                .then(registration => {
+                    statusDiv.innerHTML = 'Service worker registered successfully!<br>' +
+                                         'Scope: ' + registration.scope;
+                    console.log('ServiceWorker registration successful with scope: ', registration.scope);
+                })
+                .catch(error => {
+                    statusDiv.innerHTML = 'Service worker registration failed: ' + error;
+                    console.error('ServiceWorker registration failed: ', error);
+                });
+
+            navigator.serviceWorker.ready.then(registration => {
+                statusDiv.innerHTML += '<br><br>Service worker is ready!';
+            });
+        } else {
+            statusDiv.innerHTML = 'Service workers are not supported in this browser.';
+        }
+    </script>
+</body>
+</html>