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path: root/main.go
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package main

import (
	"log"
	"os"
	"time"

	hue "github.com/benburwell/gohue"
)

const username = "phlux"

func main() {
	bridges, err := hue.FindBridges()
	if err != nil {
		log.Fatalf("Error finding bridges: %s\n", err.Error())
	}
	log.Printf("Found %d bridge(s)\n", len(bridges))
	desiredColorTemp := getDesiredColorTemperature(time.Now())
	for _, bridge := range bridges {
		log.Printf("Bridge: %s\n", bridge.IPAddress)
		updateBridge(bridge, desiredColorTemp)
	}
}

func updateBridge(bridge hue.Bridge, desiredColorTemp ColorTemperature) {
	//username, err := bridge.CreateUser(username)
	//if err != nil {
	//	panic("Could not create user on bridge")
	//}
	//fmt.Printf("Made user %s for bridge %s\n", username, bridge.IPAddress)
	err := bridge.Login(os.Getenv("HUE_LOGIN"))
	if err != nil {
		log.Fatalf("Could not log in to bridge: %s", err.Error())
	}
	log.Println("Logged in to bridge")
	lights, err := bridge.GetAllLights()
	if err != nil {
		log.Fatalf("Error getting lights: %s\n", err.Error())
	}
	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,
			})
		}
	}
}