From d1d00237b0e31875f87de7d54f04185135d8741e Mon Sep 17 00:00:00 2001
From: Joel Wetzell <git@jwetzell.com>
Date: Thu, 20 Nov 2025 22:16:19 -0600
Subject: [PATCH] add timer and interval modules

---
 interval.go | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 timer.go    | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 140 insertions(+)
 create mode 100644 interval.go
 create mode 100644 timer.go

diff --git a/interval.go b/interval.go
new file mode 100644
index 0000000..ba06d70
--- /dev/null
+++ b/interval.go
@@ -0,0 +1,70 @@
+package showbridge
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"time"
+)
+
+type Interval struct {
+	config   ModuleConfig
+	Duration uint32
+	router   *Router
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "gen.interval",
+		New: func(config ModuleConfig) (Module, error) {
+			params := config.Params
+
+			duration, ok := params["duration"]
+			if !ok {
+				return nil, fmt.Errorf("interval requires a duration parameter")
+			}
+
+			durationNum, ok := duration.(float64)
+
+			if !ok {
+				return nil, fmt.Errorf("interval duration must be number")
+			}
+
+			return &Interval{Duration: uint32(durationNum), config: config}, nil
+		},
+	})
+}
+
+func (i *Interval) Id() string {
+	return i.config.Id
+}
+
+func (i *Interval) Type() string {
+	return i.config.Type
+}
+
+func (i *Interval) RegisterRouter(router *Router) {
+	slog.Debug("registering router", "id", i.config.Id)
+	i.router = router
+}
+
+func (i *Interval) Run(ctx context.Context) error {
+	ticker := time.NewTicker(time.Millisecond * time.Duration(i.Duration))
+	defer ticker.Stop()
+	for {
+		select {
+		case <-ctx.Done():
+			ticker.Stop()
+			return nil
+		case t := <-ticker.C:
+			if i.router != nil {
+				i.router.HandleInput(i.config.Id, t)
+			}
+		}
+	}
+
+}
+
+func (i *Interval) Output(payload any) error {
+	return fmt.Errorf("interval output is not implemented")
+}
diff --git a/timer.go b/timer.go
new file mode 100644
index 0000000..b59b9d8
--- /dev/null
+++ b/timer.go
@@ -0,0 +1,70 @@
+package showbridge
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"time"
+)
+
+type Timer struct {
+	config   ModuleConfig
+	Duration uint32
+	router   *Router
+	timer    *time.Timer
+}
+
+func init() {
+	RegisterModule(ModuleRegistration{
+		Type: "gen.timer",
+		New: func(config ModuleConfig) (Module, error) {
+			params := config.Params
+
+			duration, ok := params["duration"]
+			if !ok {
+				return nil, fmt.Errorf("timer requires a duration parameter")
+			}
+
+			durationNum, ok := duration.(float64)
+
+			if !ok {
+				return nil, fmt.Errorf("timer duration must be number")
+			}
+
+			return &Interval{Duration: uint32(durationNum), config: config}, nil
+		},
+	})
+}
+
+func (t *Timer) Id() string {
+	return t.config.Id
+}
+
+func (t *Timer) Type() string {
+	return t.config.Type
+}
+
+func (t *Timer) RegisterRouter(router *Router) {
+	slog.Debug("registering router", "id", t.config.Id)
+	t.router = router
+}
+
+func (t *Timer) Run(ctx context.Context) error {
+	t.timer = time.NewTimer(time.Millisecond * time.Duration(t.Duration))
+	defer t.timer.Stop()
+	for {
+		select {
+		case <-ctx.Done():
+			t.timer.Stop()
+			return nil
+		case time := <-t.timer.C:
+			if t.router != nil {
+				t.router.HandleInput(t.config.Id, time)
+			}
+		}
+	}
+}
+
+func (t *Timer) Output(payload any) error {
+	return fmt.Errorf("timer output is not implemented")
+}