first lol

server/src/services/sessionService.js

@@ -0,0 +1,68 @@
+const io = require('../globals/io');
+const logger = require('../globals/logger').child('sessionService');
+const { getRole, roleEvents } = require('./roleService');
+const { getMode, modeEvents } = require('./modeManager');
+const roverManager = require('./roverManager');
+const { managerEvents } = roverManager;
+const assignmentService = require('./assignmentService');
+
+function buildSession(socket) {
+  return {
+    role: getRole(socket),
+    mode: getMode(),
+    roster: roverManager.getRoster(),
+    assignment: assignmentService.describeAssignment(socket?.id || ''),
+  };
+}
+
+function syncSocket(socket) {
+  if (!socket) return;
+  const payload = buildSession(socket);
+  logger.info('Syncing session', socket.id, payload.role, payload.assignment);
+  socket.emit('session:sync', payload);
+}
+
+function syncAll() {
+  logger.info('Broadcasting session sync to all sockets');
+  io.sockets.sockets.forEach((socket) => syncSocket(socket));
+}
+
+io.on('connection', (socket) => {
+  logger.info('New socket connected', socket.id);
+  syncSocket(socket);
+});
+
+roleEvents.on('change', ({ socket }) => {
+  if (!socket) return;
+  logger.info('Role changed; syncing session', socket.id);
+  syncSocket(socket);
+});
+
+assignmentService.assignmentEvents.on('update', (socketId) => {
+  const socket = io.sockets.sockets.get(socketId);
+  if (socket) {
+    logger.info('Assignment update; syncing session', socketId);
+    syncSocket(socket);
+  }
+});
+
+modeEvents.on('change', () => {
+  logger.info('Mode change detected; syncing all clients');
+  syncAll();
+});
+
+managerEvents.on('rover', () => {
+  logger.info('Rover roster change; syncing all clients');
+  syncAll();
+});
+
+managerEvents.on('lock', ({ roverId, locked }) => {
+  logger.info('Rover lock change', roverId, locked);
+  syncAll();
+});
+
+module.exports = {
+  buildSession,
+  syncSocket,
+  syncAll,
+};