feat: server update

src/server/main.ts

@@ -28,15 +28,37 @@ function requestId() {
   return crypto.randomUUID();
 }
 
+function getDevices() {
+  return [
+    ...new Map(
+      [...bridgeSockets].reverse().map((ws) => [
+        ws.deviceId,
+        {
+          id: ws.deviceId,
+          name: ws.deviceName,
+          lastAlive: ws.lastAlive,
+          lastSuccessfulCall: ws.lastSuccessfulCall,
+        },
+      ]),
+    ).values(),
+  ];
+}
+
 function getWhatsApp(deviceId?: string): WebSocket | null {
+  if (deviceId) {
     for (const ws of [...bridgeSockets].reverse()) {
-    if (
-      ws.readyState === WebSocket.OPEN &&
-      (!deviceId || ws.deviceId === deviceId)
-    ) {
+      if (ws.readyState === WebSocket.OPEN && ws.deviceId === deviceId) {
         return ws;
       }
     }
+  }
+
+  // find the most recent active bridge
+  const sock = [...bridgeSockets]
+    .sort((a, b) => (b.lastSuccessfulCall || 0) - (a.lastSuccessfulCall || 0))
+    .find((i) => i.readyState === WebSocket.OPEN);
+  if (sock) return sock;
+
   return null;
 }
 
@@ -223,11 +245,7 @@ wss.on("connection", (ws) => {
 
       switch (method) {
         case "listDevices":
-          result = [...bridgeSockets].map((ws) => ({
-            id: ws.deviceId,
-            name: ws.deviceName,
-            lastAlive: ws.lastAlive,
-          }));
+          result = getDevices();
           break;
 
         // cached
@@ -259,6 +277,8 @@ wss.on("connection", (ws) => {
           throw new Error(`Unsupported method: ${(request as any).method}`);
       }
 
+      ws.lastSuccessfulCall = Date.now();
+
       ws.send(
         JSON.stringify({
           type: "response",

src/server/types.d.ts

@@ -2,8 +2,9 @@ import "ws";
 
 declare module "ws" {
   interface WebSocket {
-    lastAlive?: number;
     deviceId?: string;
     deviceName?: string;
+    lastAlive?: number;
+    lastSuccessfulCall?: number;
   }
 }