// 📡 P2P Two-Node Ping-Pong (InProcess)
// Uses MethodBox handlers to wire reply path.

print("🚀 P2P Two-Node Ping-Pong Start")

// Nodes
alice = new P2PBox("alice", "inprocess")
bob   = new P2PBox("bob",   "inprocess")

// Service box to hold node reference and implement handlers
box PingService {
    init { node, name }

    onPing(intent, sender) {
        print("[" + me.name + "] recv " + intent.getName() + " from " + sender)
        // reply pong back
        reply = new IntentBox("pong", "{}")
        me.node.send(sender, reply)
    }

    onPong(intent, sender) {
        print("[" + me.name + "] recv " + intent.getName() + " from " + sender)
    }
}

// Wire handlers
svcBob = new PingService()
svcBob.node = bob
svcBob.name = "bob"
bob.on("ping", new MethodBox(svcBob, "onPing"))

svcAlice = new PingService()
svcAlice.node = alice
svcAlice.name = "alice"
alice.on("pong", new MethodBox(svcAlice, "onPong"))

// Kick ping
alice.send("bob", new IntentBox("ping", "{}"))

// Show traces for determinism
print("alice.last=" + alice.getLastIntentName())
print("bob.last=" + bob.getLastIntentName())

print("✅ P2P Two-Node Ping-Pong Done")