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const { Server: SocketIOServer } = require('socket.io');
const { Server: HTTPServer } = require('http');
// Store active connections
const activeUsers = new Map();
function createSocketService(httpServer) {
const io = new SocketIOServer(httpServer, {
cors: {
origin: '*',
methods: ['GET', 'POST']
}
});
io.on('connection', (socket) => {
console.log(`New client connected: ${socket.id}`);
// Handle user login/registration
socket.on('user:register', (userId) => {
console.log(`User registered: ${userId} (Socket: ${socket.id})`);
activeUsers.set(userId, socket.id);
// Broadcast updated user list
io.emit('users:update', Array.from(activeUsers.keys()));
});
// Handle location updates
socket.on('location:update', (data) => {
console.log(`Location update from ${data.userId}: ${data.latitude}, ${data.longitude}`);
// Broadcast to all connected clients
io.emit('location:broadcast', data);
});
// Handle direct messages or location shares
socket.on('location:share', (data) => {
console.log(`Location share from ${data.fromUserId} to ${data.toUserId}`);
const targetSocketId = activeUsers.get(data.toUserId);
if (targetSocketId) {
// Send to specific user
io.to(targetSocketId).emit('location:shared', {
fromUserId: data.fromUserId,
latitude: data.latitude,
longitude: data.longitude
});
}
});
// Handle disconnect
socket.on('disconnect', () => {
console.log(`Client disconnected: ${socket.id}`);
// Remove user from active users
for (const [userId, socketId] of activeUsers.entries()) {
if (socketId === socket.id) {
activeUsers.delete(userId);
break;
}
}
// Broadcast updated user list
io.emit('users:update', Array.from(activeUsers.keys()));
});
});
return io;
}
module.exports = createSocketService;
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