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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-XYGN1R1CKL"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'G-XYGN1R1CKL');
</script>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>IoT Dashboard - Synaps Health Care</title>
<link rel="stylesheet" href="webapp/style.css">
</head>
<body>
<div class="login-container" id="loginPage">
<div class="login-box">
<div class="login-header">
<div><img src="webapp/synapse.png" height="100" width="100"></div>
<h1>Synapse Healthcare</h1>
<p>Please login to access the dashboard</p>
</div>
<div class="error-message" id="errorMessage">
Invalid username or password
</div>
<form id="loginForm" onsubmit="handleLogin(event)">
<div class="form-group">
<label for="username">Email</label>
<input type="email" id="username" name="username" required autocomplete="username">
</div>
<div class="form-group">
<label for="password">Password</label>
<input type="password" id="password" name="password" required autocomplete="current-password">
</div>
<button type="submit" class="login-button" id="loginButton">Login</button>
</form>
</div>
</div>
<div class="dashboard-container" id="dashboardPage">
<div class="container">
<div class="dashboard-header">
<div class="dashboard-title">
<img src="webapp/synapse.png" height="60" width="60">
<h1>Synapse Healthcare</h1>
</div>
<div class="header-info">
<span id="connectionStatus" style="margin-right: 15px; padding: 5px 10px; border-radius: 4px; font-size: 12px; background: #ff9800; color: white;">Connecting...</span>
<span id="userEmail" style="margin-right: 15px; color: #666;"></span>
<span id="lastUpdate" style="margin-right: 15px; color: #999; font-size: 11px;">No updates yet</span>
<button class="logout-button" onclick="handleLogout()">Logout</button>
</div>
</div>
<div class="dashboard">
<div class="card">
<div class="card-title">Battery Status</div>
<div class="card-content">
<div class="data-row">
<span class="label">Battery:</span>
<span class="value" id="battery">0%</span>
</div>
<div class="data-row">
<span class="label">Voltage:</span>
<span class="value" id="voltage">0 V</span>
</div>
</div>
</div>
<div class="card">
<div class="card-title">Health Monitoring</div>
<div class="card-content">
<button class="button" id="heartrate_btn" onclick="toggleHeartRate()">Start</button>
<div class="data-row">
<span class="label">HR:</span>
<span class="value" id="hr">0 bpm</span>
</div>
<div class="data-row">
<span class="label">SpO₂:</span>
<span class="value" id="sp02">0%</span>
</div>
</div>
</div>
<div class="card span-2-rows">
<div class="card-title">Ultrasonic Obstacle Detection</div>
<div class="card-content">
<div class="data-row">
<span class="label">Left:</span>
<span class="value" id="ultrasonic_left">0 cm</span>
</div>
<div class="data-row">
<span class="label">Right:</span>
<span class="value" id="ultrasonic_right">0 cm</span>
</div>
<div class="data-row">
<span class="label">Center:</span>
<span class="value" id="ultrasonic_center">0 cm</span>
</div>
<div class="data-row">
<span class="label">Rear:</span>
<span class="value" id="ultrasonic_rear">0 cm</span>
</div>
<button class="button" id="ultrasonic_btn" onclick="toggleUltrasonic()" style="margin-top: 10px;">Start</button>
</div>
</div>
<div class="card span-2-rows">
<div class="card-title">Emergency Alarm</div>
<div class="card-content">
<div class="buzzer-controls">
<button class="buzzer-btn" id="buzzer01_btn" onclick="toggleBuzzer(1)">Buzzer 01 (Warning Alarm)</button>
<button class="buzzer-btn" id="buzzer02_btn" onclick="toggleBuzzer(2)">Buzzer 02 (Emergency Alarm)</button>
</div>
<div style="margin-top: 20px;">
<div class="label" style="text-align: center; margin-bottom: 10px;">Buzzer Sound</div>
<input type="range" min="0" max="100" value="50" class="slider" id="buzzer_slider" oninput="updateBuzzerSound(this.value)">
<div class="value" style="text-align: center; margin-top: 8px;">
Sound: <span id="buzzersound">50</span>%
</div>
</div>
</div>
</div>
<div class="card">
<div class="card-title">Environmental Sensors</div>
<div class="card-content">
<div class="data-row">
<span class="label">Temp:</span>
<span class="value" id="temp">0°C</span>
</div>
<div class="data-row">
<span class="label">Humidity:</span>
<span class="value" id="humidity">0%</span>
</div>
</div>
</div>
<div class="card">
<div class="card-title">Motion Sensors</div>
<div class="card-content">
<div class="data-row">
<span class="label">Acceleration:</span>
<span class="value" id="acceleration">0 m/s²</span>
</div>
<div class="data-row">
<span class="label">Angular Rate:</span>
<span class="value" id="angular">0°/s</span>
</div>
</div>
</div>
<div class="card">
<div class="card-title">Colour Recognition</div>
<div class="card-content">
<button class="button" id="colour_btn" onclick="toggleColour()">Start</button>
<div class="color-display" id="color_display" style="background: #ddd;">
<span id="colour" style="color: #333;">No Color</span>
</div>
</div>
</div>
<div class="card">
<div class="card-title">Compartment Inspection</div>
<div class="card-content">
<button class="button" id="compartment_btn" onclick="toggleCompartment()">Start</button>
<div class="data-row">
<span class="label">Status:</span>
<span class="value" id="compartment_status">
Closed<span class="status-indicator status-closed"></span>
</span>
</div>
</div>
</div>
<div class="card">
<div class="card-title">Light Level</div>
<div class="card-content">
<div class="data-row">
<span class="label">Lux:</span>
<span class="value" id="lightlevel">0 lux</span>
</div>
</div>
</div>
<div class="card">
<div class="card-title">Light Adjustment</div>
<div class="card-content">
<div class="light-controls">
<div class="light-control">
<div class="light-label">Left</div>
<input type="range" min="0" max="100" value="50" class="slider" id="light_left_slider" oninput="updateLightLeft(this.value)">
<div class="value" style="text-align: center; margin-top: 5px;">
<span id="lightadj_left">50</span>%
</div>
</div>
<div class="light-control">
<div class="light-label">Right</div>
<input type="range" min="0" max="100" value="50" class="slider" id="light_right_slider" oninput="updateLightRight(this.value)">
<div class="value" style="text-align: center; margin-top: 5px;">
<span id="lightadj_right">50</span>%
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<script type="module">
import { initializeApp } from 'https://www.gstatic.com/firebasejs/10.7.1/firebase-app.js';
import { getDatabase, ref, onValue, set, get, off } from 'https://www.gstatic.com/firebasejs/10.7.1/firebase-database.js';
import { getAuth, signInWithEmailAndPassword, signOut, onAuthStateChanged } from 'https://www.gstatic.com/firebasejs/10.7.1/firebase-auth.js';
// TODO: Replace with your Firebase configuration
const firebaseConfig = {
apiKey: "AIzaSyBA033hpUU2hqUuE2MtOT_aOtXC9aW3Ji8",
authDomain: "synapse-healthcare.firebaseapp.com",
databaseURL: "https://synapse-healthcare-default-rtdb.firebaseio.com",
projectId: "synapse-healthcare",
storageBucket: "synapse-healthcare.firebasestorage.app",
messagingSenderId: "881124325802",
appId: "1:881124325802:web:897b46b09a688dae1d53d3",
measurementId: "G-XYGN1R1CKL"
};
// Initialize Firebase
const app = initializeApp(firebaseConfig);
const database = getDatabase(app);
const auth = getAuth(app);
let dataRef = null; // Store the reference
let updateCount = 0; // Track updates for debugging
function updateConnectionStatus(status, message) {
const statusEl = document.getElementById('connectionStatus');
if (statusEl) {
statusEl.textContent = message;
statusEl.style.background = status === 'connected' ? '#4CAF50' :
status === 'error' ? '#f44336' : '#ff9800';
statusEl.style.color = 'white';
}
}
function updateLastUpdateTime() {
const now = new Date();
const timeString = now.toLocaleTimeString();
const lastUpdateEl = document.getElementById('lastUpdate');
if (lastUpdateEl) {
lastUpdateEl.textContent = `Last update: ${timeString}`;
}
}
onAuthStateChanged(auth, (user) => {
if (user) {
// User is signed in
console.log('✅ User signed in:', user.email);
document.getElementById('loginPage').style.display = 'none';
document.getElementById('dashboardPage').style.display = 'block';
document.getElementById('userEmail').textContent = user.email;
// Wait a bit for auth token to propagate, then initialize dashboard
setTimeout(() => {
initializeDashboard(user);
}, 500);
} else {
// User is signed out
console.log('User signed out');
document.getElementById('loginPage').style.display = 'flex';
document.getElementById('dashboardPage').style.display = 'none';
// Remove database listener if exists
if (dataRef) {
off(dataRef);
dataRef = null;
console.log('🔌 Database listener removed');
}
}
});
window.handleLogin = async function(event) {
event.preventDefault();
const email = document.getElementById('username').value;
const password = document.getElementById('password').value;
const errorMessage = document.getElementById('errorMessage');
const loginButton = document.getElementById('loginButton');
// Disable button during login
loginButton.disabled = true;
loginButton.textContent = 'Logging in...';
try {
// Sign in with Firebase Authentication
const userCredential = await signInWithEmailAndPassword(auth, email, password);
console.log('Successfully logged in:', userCredential.user.email);
// Hide error message
errorMessage.style.display = 'none';
} catch (error) {
// Handle authentication errors
console.error('Login error:', error);
let errorText = 'Login failed. Please try again.';
switch(error.code) {
case 'auth/invalid-email':
errorText = 'Invalid email address format.';
break;
case 'auth/user-disabled':
errorText = 'This account has been disabled.';
break;
case 'auth/user-not-found':
errorText = 'No account found with this email.';
break;
case 'auth/wrong-password':
errorText = 'Incorrect password.';
break;
case 'auth/invalid-credential':
errorText = 'Invalid email or password.';
break;
case 'auth/too-many-requests':
errorText = 'Too many failed attempts. Please try again later.';
break;
}
errorMessage.textContent = errorText;
errorMessage.style.display = 'block';
} finally {
// Re-enable button
loginButton.disabled = false;
loginButton.textContent = 'Login';
}
};
window.handleLogout = async function() {
try {
await signOut(auth);
console.log('User signed out successfully');
// Clear form
document.getElementById('loginForm').reset();
document.getElementById('errorMessage').style.display = 'none';
} catch (error) {
console.error('Logout error:', error);
alert('Failed to logout. Please try again.');
}
};
async function initializeDashboard(user) {
try {
updateConnectionStatus('connecting', 'Connecting...');
console.log('Initializing dashboard...');
// Create database reference
// Changed to root '/' to match Firebase structure
dataRef = ref(database, '/');
try {
// Try to read once first to check permissions
console.log('Testing database access...');
const snapshot = await get(dataRef);
console.log('Database access granted');
console.log('Initial data:', snapshot.val());
updateConnectionStatus('connected', 'Connected');
// Display initial data
if (snapshot.val()) {
updateDisplay(snapshot.val());
}
// Set up real-time listener
console.log('Setting up real-time listener...');
onValue(dataRef, (snapshot) => {
updateCount++;
console.log(`Update #${updateCount} received at ${new Date().toLocaleTimeString()}`);
const data = snapshot.val();
console.log('Received data:', data);
if (data) {
updateDisplay(data);
updateLastUpdateTime();
} else {
console.warn('No data available at /iot_data');
}
}, (error) => {
console.error('Database read error:', error);
updateConnectionStatus('error', 'Permission Error');
});
console.log('Dashboard initialized successfully');
} catch (readError) {
console.error('Initial read error:', readError);
updateConnectionStatus('error', 'Access Denied');
alert('Cannot access database. Please check:\n\n' +
'1. Firebase Console > Realtime Database > Rules\n' +
'2. Set rules to allow authenticated users\n' +
'3. User "' + user.email + '" is authenticated');
}
} catch (error) {
console.error('Firebase initialization error:', error);
updateConnectionStatus('error', 'Connection Failed');
}
}
function updateDisplay(data) {
console.log('Updating display with data:', data);
// Battery & Voltage
if (data.battery !== undefined) {
document.getElementById('battery').textContent = data.battery + '%';
console.log('Battery:', data.battery);
}
if (data.voltage !== undefined) {
document.getElementById('voltage').textContent = data.voltage + ' V';
console.log('Voltage:', data.voltage);
}
// Acceleration & Angular
if (data.acceleration !== undefined) {
document.getElementById('acceleration').textContent = data.acceleration + ' m/s²';
console.log('Acceleration:', data.acceleration);
}
if (data.angular !== undefined) {
document.getElementById('angular').textContent = data.angular + '°/s';
console.log('Angular:', data.angular);
}
// Buzzer buttons
if (data.buzzer01ring !== undefined) {
document.getElementById('buzzer01_btn').classList.toggle('active', data.buzzer01ring);
console.log('Buzzer 1:', data.buzzer01ring);
}
if (data.buzzer02ring !== undefined) {
document.getElementById('buzzer02_btn').classList.toggle('active', data.buzzer02ring);
console.log('Buzzer 2:', data.buzzer02ring);
}
if (data.buzzersound !== undefined) {
document.getElementById('buzzersound').textContent = data.buzzersound;
document.getElementById('buzzer_slider').value = data.buzzersound;
console.log('Buzzer Sound:', data.buzzersound);
}
// Colour
if (data.colour_start) {
if (data.colour !== undefined) {
const colourText = data.colour || 'No Color';
document.getElementById('colour').textContent = colourText;
if (data.colour && data.colour !== 'No Color') {
document.getElementById('color_display').style.background = data.colour;
document.getElementById('colour').style.color = 'white';
} else {
document.getElementById('color_display').style.background = '#ddd';
document.getElementById('colour').style.color = '#333';
}
console.log('Colour:', data.colour);
}
} else {
document.getElementById('colour').textContent = 'No Color';
document.getElementById('color_display').style.background = '#ddd';
document.getElementById('colour').style.color = '#333';
}
// Compartment status
if (data.compartment_start) {
if (data.compartment !== undefined) {
let status, statusClass;
if (data.compartment >= 0 && data.compartment < 200) {
status = 'Open';
statusClass = 'status-open';
} else if (data.compartment >= 200) {
status = 'Closed';
statusClass = 'status-closed';
} else {
status = 'Unknown';
statusClass = 'status-closed';
}
document.getElementById('compartment_status').innerHTML =
status + '<span class="status-indicator ' + statusClass + '"></span>';
console.log('Compartment:', data.compartment, '→', status);
}
} else {
document.getElementById('compartment_status').innerHTML =
'Closed<span class="status-indicator status-closed"></span>';
}
// Health monitoring
if (data.heartrate_start) {
if (data.hr !== undefined) {
document.getElementById('hr').textContent = data.hr + ' bpm';
console.log('Heart Rate:', data.hr);
}
if (data.sp02 !== undefined) {
document.getElementById('sp02').textContent = data.sp02 + '%';
console.log('SpO2:', data.sp02);
}
} else {
document.getElementById('hr').textContent = '0 bpm';
document.getElementById('sp02').textContent = '0%';
}
// Environmental
if (data.humidity !== undefined) {
document.getElementById('humidity').textContent = data.humidity + '%';
console.log('Humidity:', data.humidity);
}
if (data.temp !== undefined) {
document.getElementById('temp').textContent = data.temp + '°C';
console.log('Temperature:', data.temp);
}
// Light adjustment
if (data.lightadj_left !== undefined) {
document.getElementById('lightadj_left').textContent = data.lightadj_left;
document.getElementById('light_left_slider').value = data.lightadj_left;
console.log('Light Left:', data.lightadj_left);
}
if (data.lightadj_right !== undefined) {
document.getElementById('lightadj_right').textContent = data.lightadj_right;
document.getElementById('light_right_slider').value = data.lightadj_right;
console.log('Light Right:', data.lightadj_right);
}
// Light level
if (data.lightlevel !== undefined) {
let statusText = "";
if (data.lightlevel === 1000) statusText = "Bright";
else if (data.lightlevel === 500) statusText = "Dim";
else statusText = "Dark";
document.getElementById('lightlevel').textContent = statusText + " (" + data.lightlevel + " lux)";
console.log('Light Level:', data.lightlevel);
}
// Ultrasonic sensors
if (data.ultrasonic_start) {
if (data.ultrasonic_left !== undefined) {
document.getElementById('ultrasonic_left').textContent = data.ultrasonic_left + ' cm';
console.log('Ultrasonic Left:', data.ultrasonic_left);
}
if (data.ultrasonic_right !== undefined) {
document.getElementById('ultrasonic_right').textContent = data.ultrasonic_right + ' cm';
console.log('Ultrasonic Right:', data.ultrasonic_right);
}
if (data.ultrasonic_center !== undefined) {
document.getElementById('ultrasonic_center').textContent = data.ultrasonic_center + ' cm';
console.log('Ultrasonic Center:', data.ultrasonic_center);
}
if (data.ultrasonic_rear !== undefined) {
document.getElementById('ultrasonic_rear').textContent = data.ultrasonic_rear + ' cm';
console.log('Ultrasonic Rear:', data.ultrasonic_rear);
}
} else {
document.getElementById('ultrasonic_left').textContent = '0 cm';
document.getElementById('ultrasonic_right').textContent = '0 cm';
document.getElementById('ultrasonic_center').textContent = '0 cm';
document.getElementById('ultrasonic_rear').textContent = '0 cm';
}
// Start/Stop butt0ons state
if (data.heartrate_start !== undefined) {
const btn = document.getElementById('heartrate_btn');
btn.classList.toggle('active', data.heartrate_start);
btn.textContent = data.heartrate_start ? 'Stop' : 'Start';
console.log('Heart Rate Start:', data.heartrate_start);
}
if (data.ultrasonic_start !== undefined) {
const btn = document.getElementById('ultrasonic_btn');
btn.classList.toggle('active', data.ultrasonic_start);
btn.textContent = data.ultrasonic_start ? 'Stop' : 'Start';
console.log('Ultrasonic Start:', data.ultrasonic_start);
}
if (data.compartment_start !== undefined) {
const btn = document.getElementById('compartment_btn');
btn.classList.toggle('active', data.compartment_start);
btn.textContent = data.compartment_start ? 'Stop' : 'Start';
console.log('Compartment Start:', data.compartment_start);
}
if (data.colour_start !== undefined) {
const btn = document.getElementById('colour_btn');
btn.classList.toggle('active', data.colour_start);
btn.textContent = data.colour_start ? 'Stop' : 'Start';
console.log('Colour Start:', data.colour_start);
}
console.log('Display update complete');
}
// Heart Rate Monitoring
window.toggleHeartRate = async function() {
const btn = document.getElementById('heartrate_btn');
const currentState = btn.classList.contains('active');
try {
console.log('Writing heartrate_start:', !currentState);
await set(ref(database, '/heartrate_start'), !currentState);
console.log('Write successful');
} catch (error) {
console.error('Error writing to database:', error);
}
};
// Ultrasonic Sensors
window.toggleUltrasonic = async function() {
const btn = document.getElementById('ultrasonic_btn');
const currentState = btn.classList.contains('active');
try {
console.log('Writing ultrasonic_start:', !currentState);
await set(ref(database, '/ultrasonic_start'), !currentState);
console.log('Write successful');
} catch (error) {
console.error('Error writing to database:', error);
}
};
// Compartment Inspection
window.toggleCompartment = async function() {
const btn = document.getElementById('compartment_btn');
const currentState = btn.classList.contains('active');
try {
console.log('Writing compartment_start:', !currentState);
await set(ref(database, '/compartment_start'), !currentState);
console.log('Write successful');
} catch (error) {
console.error('Error writing to database:', error);
}
};
// Colour Recognition
window.toggleColour = async function() {
const btn = document.getElementById('colour_btn');
const currentState = btn.classList.contains('active');
try {
console.log('Writing colour_start:', !currentState);
await set(ref(database, '/colour_start'), !currentState);
console.log('Write successful');
} catch (error) {
console.error('Error writing to database:', error);
}
};
// Buzzer Controls
window.toggleBuzzer = async function(num) {
const btnId = 'buzzer0' + num + '_btn';
const btn = document.getElementById(btnId);
const currentState = btn.classList.contains('active');
try {
console.log('Writing buzzer0' + num + 'ring:', !currentState);
await set(ref(database, '/buzzer0' + num + 'ring'), !currentState);
console.log('Write successful');
} catch (error) {
console.error('Error writing to database:', error);
}
};
// Buzzer Sound Level
window.updateBuzzerSound = async function(value) {
document.getElementById('buzzersound').textContent = value;
try {
console.log('Writing buzzersound:', parseInt(value));
await set(ref(database, '/buzzersound'), parseInt(value));
console.log('Write successful');
} catch (error) {
console.error('Error writing to database:', error);
}
};
// Light Adjustment - Left
window.updateLightLeft = async function(value) {
document.getElementById('lightadj_left').textContent = value;
try {
console.log('Writing lightadj_left:', parseInt(value));
await set(ref(database, '/lightadj_left'), parseInt(value));
console.log('Write successful');
} catch (error) {
console.error('Error writing to database:', error);
}
};
// Light Adjustment - Right
window.updateLightRight = async function(value) {
document.getElementById('lightadj_right').textContent = value;
try {
console.log('Writing lightadj_right:', parseInt(value));
await set(ref(database, '/lightadj_right'), parseInt(value));
console.log('Write successful');
} catch (error) {
console.error('Error writing to database:', error);
}
};
</script>
</body>
</html>