feat: finalize with step 5

chapter-2-state-driven-agent-design/westworldwithmessaging/state_wifes_global_state.go

@@ -1,6 +1,7 @@
 package westworldwithmessaging
 
 import (
+	"fmt"
 	"math/rand"
 	"sync"
 )
@@ -49,13 +50,19 @@ func (s *wifesGlobalState) Execute(e *Elsa) {
 	}
 }
 
-// OnMessage is required now that State[T] includes it. This state
-// doesn't handle any messages yet - false ("not handled") is the
-// correct default until the book shows otherwise. (Note: our Elsa
-// only has DoHousework and VisitBathroom, not a cooking state, so
-// the book's stew-related messages between Miner and Elsa may not
-// map cleanly onto this simplified version - worth revisiting if
-// that comes up.)
+// OnMessage handles messages that should get through no matter what
+// Elsa is currently doing - the book puts Msg_HiHoneyImHome here
+// specifically because she should react to it "when in any state,"
+// same reasoning as why the bathroom-call check above lives in the
+// global state rather than in DoHousework.
 func (s *wifesGlobalState) OnMessage(e *Elsa, msg Telegram) bool {
+	switch MessageType(msg.Msg) {
+	case MsgHiHoneyImHome:
+		fmt.Printf("\nMessage handled by %s at time: %.5f", GetNameOfEntity(e.ID()), Clock.GetCurrentTime())
+		fmt.Printf("\n%s: Hi honey. Let me make you some of mah fine country stew", GetNameOfEntity(e.ID()))
+		e.FSM().ChangeState(CookStew())
+		return true
+	}
+
 	return false
 }