From 500a3be136555a52f27899e34272d644a340a87f Mon Sep 17 00:00:00 2001
From: Joel Wetzell <git@jwetzell.com>
Date: Sun, 30 Nov 2025 10:35:18 -0500
Subject: [PATCH] add free-d encode and decode

---
 go.mod                               |  1 +
 go.sum                               |  2 ++
 internal/processing/free-d-decode.go | 40 ++++++++++++++++++++++++++++
 internal/processing/free-d-encode.go | 36 +++++++++++++++++++++++++
 4 files changed, 79 insertions(+)
 create mode 100644 internal/processing/free-d-decode.go
 create mode 100644 internal/processing/free-d-encode.go

diff --git a/go.mod b/go.mod
index d5e9756..3d39bdd 100644
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,7 @@ go 1.25.3
 require (
 	github.com/eclipse/paho.mqtt.golang v1.5.1
 	github.com/expr-lang/expr v1.17.6
+	github.com/jwetzell/free-d-go v0.1.0
 	github.com/jwetzell/osc-go v0.1.0
 	github.com/jwetzell/psn-go v0.2.0
 	github.com/urfave/cli/v3 v3.6.1
diff --git a/go.sum b/go.sum
index 75b50f7..a7c0c43 100644
--- a/go.sum
+++ b/go.sum
@@ -14,6 +14,8 @@ github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aN
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
 github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
+github.com/jwetzell/free-d-go v0.1.0 h1:xHt6dvyit98X+OC3jVzV0aLidxbyzi3vI9QiYkteEtA=
+github.com/jwetzell/free-d-go v0.1.0/go.mod h1:KmrkooRARRaxJTBSPvwt/6IMAIaHH1R8bSA8cwbbELw=
 github.com/jwetzell/osc-go v0.1.0 h1:EXxup5VWBErHot2Ri4MFToPf6KCzLDTbCt2x6GLfw8I=
 github.com/jwetzell/osc-go v0.1.0/go.mod h1:xLz0jTwebSxtx1TkKN1YVdeRqvpFNweDhTut5TE393A=
 github.com/jwetzell/psn-go v0.2.0 h1:2uPYGDRu9o2qUeFQOi+tp59WFPCWgHqJA4/Ff2dwnXM=
diff --git a/internal/processing/free-d-decode.go b/internal/processing/free-d-decode.go
new file mode 100644
index 0000000..73575db
--- /dev/null
+++ b/internal/processing/free-d-decode.go
@@ -0,0 +1,40 @@
+package processing
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+
+	freeD "github.com/jwetzell/free-d-go"
+)
+
+type FreeDDecode struct {
+	config ProcessorConfig
+}
+
+func (fdd *FreeDDecode) Process(ctx context.Context, payload any) (any, error) {
+	payloadBytes, ok := payload.([]byte)
+
+	if !ok {
+		return nil, fmt.Errorf("freed.decode processor only accepts a []byte")
+	}
+
+	payloadMessage, err := freeD.Decode(payloadBytes)
+	if err != nil {
+		slog.Error("error decoding", "err", err)
+	}
+	return payloadMessage, nil
+}
+
+func (fdd *FreeDDecode) Type() string {
+	return fdd.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "freed.decode",
+		New: func(config ProcessorConfig) (Processor, error) {
+			return &FreeDDecode{config: config}, nil
+		},
+	})
+}
diff --git a/internal/processing/free-d-encode.go b/internal/processing/free-d-encode.go
new file mode 100644
index 0000000..665f6ac
--- /dev/null
+++ b/internal/processing/free-d-encode.go
@@ -0,0 +1,36 @@
+package processing
+
+import (
+	"context"
+	"fmt"
+
+	freeD "github.com/jwetzell/free-d-go"
+)
+
+type FreeDEncode struct {
+	config ProcessorConfig
+}
+
+func (fde *FreeDEncode) Process(ctx context.Context, payload any) (any, error) {
+	payloadPosition, ok := payload.(freeD.FreeDPosition)
+
+	if !ok {
+		return nil, fmt.Errorf("freed.decode processor only accepts a FreeDEncode")
+	}
+
+	payloadBytes := freeD.Encode(payloadPosition)
+	return payloadBytes, nil
+}
+
+func (fde *FreeDEncode) Type() string {
+	return fde.config.Type
+}
+
+func init() {
+	RegisterProcessor(ProcessorRegistration{
+		Type: "freed.encode",
+		New: func(config ProcessorConfig) (Processor, error) {
+			return &FreeDEncode{config: config}, nil
+		},
+	})
+}