From a3786c8698f8b7c85d09e241cf09dc0e8ced9da2 Mon Sep 17 00:00:00 2001
From: Ben Burwell <ben@benburwell.com>
Date: Thu, 24 May 2018 22:23:35 -0400
Subject: Split out updateLight function

---
 colortemp.go |  2 +-
 main.go      | 26 +++++++++++++++-----------
 2 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/colortemp.go b/colortemp.go
index a708a0b..8cf3454 100644
--- a/colortemp.go
+++ b/colortemp.go
@@ -43,7 +43,7 @@ func getDesiredColorTemperature(t time.Time) ColorTemperature {
 //   500 <=> 2000K
 //   =============
 //   347     4500
-func translateCtForLight(ct ColorTemperature, light hue.Light) uint16 {
+func (ct ColorTemperature) TranslateForLight(light hue.Light) uint16 {
 	divisor := 12.968
 	scaled := float64(ct) / divisor
 	inverted := 500 - scaled + 153
diff --git a/main.go b/main.go
index 481f712..76f5838 100644
--- a/main.go
+++ b/main.go
@@ -23,7 +23,7 @@ func main() {
 	}
 }
 
-func updateBridge(bridge hue.Bridge, desiredColorTemp ColorTemperature) {
+func updateBridge(bridge hue.Bridge, ct ColorTemperature) {
 	//username, err := bridge.CreateUser(username)
 	//if err != nil {
 	//	panic("Could not create user on bridge")
@@ -40,15 +40,19 @@ func updateBridge(bridge hue.Bridge, desiredColorTemp ColorTemperature) {
 	}
 	log.Printf("Found %d lights\n", len(lights))
 	for _, light := range lights {
-		log.Printf("Light %d: %s (%s)\n", light.Index, light.Name, light.Type)
-		if supportsColorTemp(light) {
-			log.Printf("  CT range: %d-%d\n", light.Capabilities.Control.CT.Min, light.Capabilities.Control.CT.Max)
-			newCt := translateCtForLight(desiredColorTemp, light)
-			log.Printf("  Setting CT to %d\n", newCt)
-			light.SetState(hue.LightState{
-				On: light.State.On,
-				CT: newCt,
-			})
-		}
+		updateLight(light, ct)
+	}
+}
+
+func updateLight(light hue.Light, ct ColorTemperature) {
+	log.Printf("Light %d: %s (%s)\n", light.Index, light.Name, light.Type)
+	if supportsColorTemp(light) {
+		log.Printf("  CT range: %d-%d\n", light.Capabilities.Control.CT.Min, light.Capabilities.Control.CT.Max)
+		newCt := ct.TranslateForLight(light)
+		log.Printf("  Setting CT to %d\n", newCt)
+		light.SetState(hue.LightState{
+			On: light.State.On,
+			CT: newCt,
+		})
 	}
 }
-- 
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