1 files changed, 99 insertions, 0 deletions
diff --git a/go/activities/session.go b/go/activities/session.go
new file mode 100644
index 00000000..f910c67c
--- /dev/null
+++ b/go/activities/session.go
@@ -0,0 +1,99 @@
+package activities
+
+import (
+	"muhq.space/muhqs-game/go/game"
+	"muhq.space/muhqs-game/go/ui"
+)
+
+type Session struct {
+	ui.Collection
+	playerList         *ui.Buffer
+	ctrl               game.PlayerControl
+	handleNotification func(game.PlayerNotification)
+}
+
+func (s *Session) AddPlayer(name string) {
+	// TODO: remove a AI
+	s.playerList.AddLine(name)
+}
+
+func (s *Session) ReadyPlayer(name string) {
+	i := 0
+	for l := range s.playerList.LinesSeq() {
+		if l == name {
+			s.playerList.PrefixLine(i, "!")
+			return
+		}
+		i = i + 1
+	}
+}
+
+func (s *Session) Update() error {
+	n, err := s.ctrl.RecvNotification()
+	if err != nil {
+		// FIXME
+	}
+
+	if n.Valid() {
+		switch n.Notification {
+		case game.JoinedPlayerNotification:
+			s.AddPlayer(n.Context.(string))
+		case game.ReadyPlayerNotification:
+			s.ReadyPlayer(n.Context.(string))
+		default:
+			s.handleNotification(n)
+		}
+	}
+
+	if err := ui.Update(); err != nil {
+		return err
+	}
+
+	return s.Collection.Update()
+}
+
+func (s *Session) Layout(int, int) (int, int) {
+	return s.Collection.Layout()
+}
+
+func NewSession(wdth, hght int, title string, ctrl game.PlayerControl, startFunc func(), handleNotificataion func(game.PlayerNotification)) *Session {
+	s := &Session{
+		Collection:         ui.Collection{Width: wdth, Height: hght},
+		ctrl:               ctrl,
+		handleNotification: handleNotificataion,
+	}
+
+	titleTextBox := ui.NewAutoTextBox(
+		s.Width/2-50,
+		50,
+		title)
+	s.AddWidget(titleTextBox)
+
+	s.playerList = ui.NewBuffer(
+		0,
+		70,
+		s.Width,
+		s.Height-70-40)
+
+	s.AddWidget(ui.NewSimpleButton(
+		s.Width/2-200,
+		s.Height-40,
+		200,
+		40,
+		"ready",
+		func(*ui.SimpleButton) {
+			ctrl.SendNotification(game.NewReadyPlayerNotification(ctrl.Player()))
+		}))
+
+	s.AddWidget(ui.NewSimpleButton(
+		s.Width/2+200,
+		s.Height-40,
+		200,
+		40,
+		"start",
+		func(*ui.SimpleButton) {
+			startFunc()
+		}))
+
+	return s
+}