From dfea3cd5a56047512f56658af42d2bb9ee791e4a Mon Sep 17 00:00:00 2001
From: Ben Burwell <ben@benburwell.com>
Date: Fri, 25 May 2018 00:36:41 -0400
Subject: Enable adjusting transition time

---
 config.go |  9 +++++----
 main.go   | 10 ++++++----
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/config.go b/config.go
index 3fae3ba..ae194ff 100644
--- a/config.go
+++ b/config.go
@@ -18,10 +18,11 @@ type BridgeConfig struct {
 }
 
 type PhluxConfig struct {
-	Latitude  float64        `yaml:"latitude"`
-	Longitude float64        `yaml:"longitude"`
-	Interval  int64          `yaml:"interval"`
-	Bridges   []BridgeConfig `yaml:"bridges"`
+	Latitude       float64        `yaml:"latitude"`
+	Longitude      float64        `yaml:"longitude"`
+	Interval       int64          `yaml:"interval"`
+	TransitionTime string         `yaml:"transitionTime"`
+	Bridges        []BridgeConfig `yaml:"bridges"`
 }
 
 func (c *PhluxConfig) Read() {
diff --git a/main.go b/main.go
index e279d0f..49ed9f9 100644
--- a/main.go
+++ b/main.go
@@ -19,6 +19,7 @@ func main() {
 	flag.Float64Var(&config.Latitude, "latitude", config.Latitude, "Latitude (used to calculate sunrise and sunset)")
 	flag.Float64Var(&config.Longitude, "longitude", config.Longitude, "Longitude (used to calculate sunrise and sunset)")
 	flag.Int64Var(&config.Interval, "interval", config.Interval, "Interval (in seconds) at which to run the update if --forever is set")
+	flag.StringVar(&config.TransitionTime, "transitionTime", config.TransitionTime, "Transition time for adjusting the color temperature")
 	forever := flag.Bool("forever", false, "Run the update every [interval], use Ctrl-C to cancel")
 	flag.Parse()
 
@@ -107,20 +108,21 @@ func updateBridge(bridge *hue.Bridge, ct ColorTemperature, config *PhluxConfig)
 	}
 	log.Printf("Found %d lights\n", len(lights))
 	for _, light := range lights {
-		updateLight(light, ct)
+		updateLight(light, ct, config)
 	}
 	return nil
 }
 
-func updateLight(light hue.Light, ct ColorTemperature) {
+func updateLight(light hue.Light, ct ColorTemperature, config *PhluxConfig) {
 	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,
+			On:             light.State.On,
+			CT:             newCt,
+			TransitionTime: config.TransitionTime,
 		})
 	}
 }
-- 
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