Current state

signaling-server.mjs

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+import { createServer } from "http"
+import { Server } from "socket.io"
+import { SignJWT, jwtVerify } from "jose"
+import pg from "pg"
+
+const PORT = process.env.SIGNALING_PORT || 3007
+const JWT_SECRET = new TextEncoder().encode(process.env.JWT_SECRET || "crm-envr-super-secret-key-2026")
+const DATABASE_URL = process.env.DATABASE_URL || "postgres://postgres:postgres@localhost:5432/crm"
+
+const pool = new pg.Pool({ connectionString: DATABASE_URL })
+
+const httpServer = createServer()
+const io = new Server(httpServer, { cors: { origin: "*", methods: ["GET", "POST"] } })
+
+const onlineUsers = new Map()
+const rooms = new Map()
+
+io.use((socket, next) => {
+  const token = socket.handshake.auth?.token
+  if (token) {
+    jwtVerify(token, JWT_SECRET)
+      .then(({ payload }) => {
+        socket.data.userId = payload.userId
+        socket.data.role = payload.role
+        next()
+      })
+      .catch(() => {
+        socket.data.userId = null
+        socket.data.role = null
+        next()
+      })
+  } else {
+    socket.data.userId = null
+    socket.data.role = null
+    next()
+  }
+})
+
+io.on("connection", (socket) => {
+  const userId = socket.data.userId
+
+  if (userId) {
+    onlineUsers.set(userId, socket.id)
+    socket.broadcast.emit("user:online", { userId })
+  }
+
+  if (userId) {
+    socket.on("user:lookup", async ({ phone }, callback) => {
+      try {
+        const result = await pool.query(
+          `SELECT id, username, first_name, last_name, phone, avatar_url
+           FROM users
+           WHERE phone = $1 AND deleted_at IS NULL
+           LIMIT 1`,
+          [phone],
+        )
+        if (result.rows.length > 0) {
+          const user = result.rows[0]
+          callback({
+            found: true,
+            user: {
+              id: user.id,
+              username: user.username,
+              firstName: user.first_name,
+              lastName: user.last_name,
+              phone: user.phone,
+              avatar: user.avatar_url,
+              online: onlineUsers.has(user.id),
+            },
+          })
+        } else {
+          callback({ found: false })
+        }
+      } catch {
+        callback({ found: false, error: "Lookup failed" })
+      }
+    })
+
+    socket.on("call:offer", async ({ to, sdp, callerInfo }) => {
+      const targetSocketId = onlineUsers.get(to)
+      if (targetSocketId) {
+        let info = callerInfo
+        if (!info) {
+          try {
+            const result = await pool.query(
+              `SELECT id, username, first_name, last_name, avatar_url
+               FROM users WHERE id = $1`,
+              [userId],
+            )
+            if (result.rows.length > 0) {
+              const u = result.rows[0]
+              info = {
+                id: u.id,
+                username: u.username,
+                firstName: u.first_name,
+                lastName: u.last_name,
+                avatar: u.avatar_url,
+              }
+            }
+          } catch {}
+        }
+        io.to(targetSocketId).emit("call:incoming", {
+          from: userId,
+          sdp,
+          callerInfo: info,
+        })
+      } else {
+        socket.emit("call:user-offline", { userId: to })
+      }
+    })
+
+    socket.on("call:answer", ({ to, sdp }) => {
+      const targetSocketId = onlineUsers.get(to)
+      if (targetSocketId) {
+        io.to(targetSocketId).emit("call:answered", { from: userId, sdp })
+      }
+    })
+
+    socket.on("call:ice-candidate", ({ to, candidate }) => {
+      const targetSocketId = onlineUsers.get(to)
+      if (targetSocketId) {
+        io.to(targetSocketId).emit("call:ice-candidate", { from: userId, candidate })
+      }
+    })
+
+    socket.on("call:end", ({ to }) => {
+      const targetSocketId = onlineUsers.get(to)
+      if (targetSocketId) {
+        io.to(targetSocketId).emit("call:ended", { from: userId })
+      }
+    })
+
+    socket.on("call:reject", ({ to }) => {
+      const targetSocketId = onlineUsers.get(to)
+      if (targetSocketId) {
+        io.to(targetSocketId).emit("call:rejected", { from: userId })
+      }
+    })
+
+    socket.on("call:busy", ({ to }) => {
+      const targetSocketId = onlineUsers.get(to)
+      if (targetSocketId) {
+        io.to(targetSocketId).emit("call:busy", { from: userId })
+      }
+    })
+  }
+
+  socket.on("room:join", ({ roomId, displayName }) => {
+    const participantId = userId || `anon-${socket.id}`
+    const participantLabel = displayName || participantId
+
+    if (!rooms.has(roomId)) {
+      rooms.set(roomId, [])
+    }
+    const participants = rooms.get(roomId)
+    participants.push({ socketId: socket.id, id: participantId, label: participantLabel })
+    socket.join(roomId)
+
+    const list = participants.map(p => ({ id: p.id, label: p.label }))
+
+    if (participants.length === 1) {
+      socket.emit("room:waiting", { roomId, participants: list })
+    } else if (participants.length === 2) {
+      io.to(participants[0].socketId).emit("room:initiate-offer", { roomId, participants: list })
+      io.to(participants[1].socketId).emit("room:participant-joined", { roomId, participants: list })
+    } else {
+      socket.emit("room:participant-joined", { roomId, participants: list })
+      socket.to(roomId).emit("room:participant-joined", { roomId, participants: list })
+    }
+  })
+
+  socket.on("room:offer", ({ roomId, sdp }) => {
+    socket.to(roomId).emit("room:offer", { sdp })
+  })
+
+  socket.on("room:answer", ({ roomId, sdp }) => {
+    socket.to(roomId).emit("room:answer", { sdp })
+  })
+
+  socket.on("room:ice-candidate", ({ roomId, candidate }) => {
+    socket.to(roomId).emit("room:ice-candidate", { candidate })
+  })
+
+  socket.on("room:leave", ({ roomId }) => {
+    socket.leave(roomId)
+    const participants = rooms.get(roomId)
+    if (participants) {
+      const idx = participants.findIndex(p => p.socketId === socket.id)
+      if (idx !== -1) participants.splice(idx, 1)
+      if (participants.length === 0) {
+        rooms.delete(roomId)
+      } else {
+        const list = participants.map(p => ({ id: p.id, label: p.label }))
+        io.to(roomId).emit("room:participant-left", { roomId, participants: list })
+      }
+    }
+  })
+
+  socket.on("disconnect", () => {
+    for (const [roomId, participants] of rooms) {
+      const idx = participants.findIndex(p => p.socketId === socket.id)
+      if (idx !== -1) {
+        participants.splice(idx, 1)
+        if (participants.length === 0) {
+          rooms.delete(roomId)
+        } else {
+          const list = participants.map(p => ({ id: p.id, label: p.label }))
+          io.to(roomId).emit("room:participant-left", { roomId, participants: list })
+        }
+      }
+    }
+    if (userId) {
+      onlineUsers.delete(userId)
+      socket.broadcast.emit("user:offline", { userId })
+    }
+  })
+})
+
+httpServer.listen(PORT, () => {
+  console.log(`[signaling] server running on port ${PORT}`)
+})