commit c62aa93ae0d6dd77a7b667e6580159e016415e82
Author: Barak Michener <me@barakmich.com>
Date:   Tue Dec 4 20:31:56 2018 -0800

    experiments

diff --git a/discovery/main.go b/discovery/main.go
new file mode 100644
index 0000000..a66782e
--- /dev/null
+++ b/discovery/main.go
@@ -0,0 +1,114 @@
+package discovery
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"os/user"
+	"path/filepath"
+
+	"github.com/amimof/huego"
+)
+
+// UserInfo is the saved data struture of a Hue app connection
+type UserInfo struct {
+	User string
+}
+
+func DiscoverAndConnectFromConfig(appName string) (*huego.Bridge, error) {
+	data := make(map[string]UserInfo)
+	u, err := user.Current()
+	if err != nil {
+		return nil, err
+	}
+
+	filename := filepath.Join(u.HomeDir, ".config/hue-barak")
+	_, err = os.Stat(filename)
+	if err == nil {
+		f, err := os.Open(filename)
+		if err != nil {
+			return nil, err
+		}
+		err = json.NewDecoder(f).Decode(&data)
+		if err != nil {
+			return nil, err
+		}
+		f.Close()
+	}
+
+	ui, ok := data[appName]
+	if !ok {
+		ui = UserInfo{}
+	}
+	b, err := huego.Discover()
+	if err != nil {
+		return nil, err
+	}
+	if ui.User != "" {
+		newb := b.Login(ui.User)
+		return newb, nil
+	}
+	fmt.Println("Please press the Hue Bridge button, then press Enter")
+	fmt.Scanln()
+	user, err := b.CreateUser(appName)
+	if err != nil {
+		return nil, err
+	}
+	data[appName] = UserInfo{User: user}
+
+	b = b.Login(user)
+
+	f, err := os.Create(filename)
+	defer f.Close()
+	if err != nil {
+		return nil, err
+	}
+	err = json.NewEncoder(f).Encode(data)
+	return b, err
+}
+
+func main() {
+	fmt.Println("vim-go")
+	b, err := DiscoverAndConnectFromConfig("barak-hue-test")
+	if err != nil {
+		panic(err)
+	}
+
+	rules, err := b.GetRules()
+	if err != nil {
+		panic(err)
+	}
+	for i, r := range rules {
+		fmt.Println(i, r.ID, r.Name)
+		//for _, act := range r.Actions {
+		//fmt.Printf("\t%#v\n", act)
+		//}
+	}
+
+	testRule := huego.Rule{Actions: rules[0].Actions}
+	t, _ := json.Marshal(testRule)
+	fmt.Println(string(t))
+
+	l, err := b.GetGroups()
+	if err != nil {
+		panic(err)
+	}
+	for i, r := range l {
+		fmt.Println(i, r.ID, r.Name, r.IsOn())
+		//for _, s := range r.Lights {
+		//fmt.Printf("\t%s\n", s)
+		//}
+	}
+
+	s, err := b.GetSensors()
+	if err != nil {
+		panic(err)
+	}
+	for i, r := range s {
+		fmt.Println(i, r.ID, r.Name)
+		//for _, s := range r.Lights {
+		//fmt.Printf("\t%s\n", s)
+		//}
+	}
+
+}
diff --git a/gui/main.go b/gui/main.go
new file mode 100644
index 0000000..b0cbb6a
--- /dev/null
+++ b/gui/main.go
@@ -0,0 +1,142 @@
+package main
+
+import (
+	"fmt"
+	"sort"
+	"time"
+
+	"git.barakmich.com/barak/hue/discovery"
+	"github.com/amimof/huego"
+	"github.com/andlabs/ui"
+	"github.com/lucasb-eyer/go-colorful"
+	"github.com/maruel/temperature"
+)
+
+type groupList struct {
+	box    *ui.Box
+	groups []*group
+}
+
+type group struct {
+	group huego.Group
+	box   *ui.Box
+	cb    *ui.Checkbox
+	color *ui.ColorButton
+}
+
+type uiModel struct {
+	gl *groupList
+}
+
+var bridge *huego.Bridge
+
+func (u *uiModel) update() {
+	var err error
+	if bridge == nil {
+		bridge, err = discovery.DiscoverAndConnectFromConfig("barak-hue-test")
+		if err != nil {
+			ui.QueueMain(func() {
+				ui.Quit()
+			})
+		}
+	}
+	groups, err := bridge.GetGroups()
+	if err != nil {
+		panic(err)
+	}
+	ui.QueueMain(func() { u.gl.update(groups) })
+}
+
+func newGroup() *group {
+	g := &group{}
+	g.box = ui.NewHorizontalBox()
+	g.cb = ui.NewCheckbox("")
+	g.color = ui.NewColorButton()
+	g.box.Append(g.color, false)
+	g.box.Append(g.cb, false)
+	g.cb.OnToggled(g.onToggle)
+	return g
+}
+
+func (gl *groupList) update(groups []huego.Group) {
+	sort.Slice(groups, func(i, j int) bool {
+		return groups[i].ID < groups[j].ID
+	})
+	for len(gl.groups) < len(groups) {
+		g := newGroup()
+		gl.groups = append(gl.groups, g)
+		gl.box.Append(g.box, false)
+	}
+	for i, g := range gl.groups {
+		g.group = groups[i]
+		g.update()
+	}
+}
+
+func (g *group) update() {
+	g.cb.SetText(fmt.Sprintf("%d %s : %s", g.group.ID, g.group.Name, fmt.Sprint(g.group.State.Xy, g.group.State.Bri, g.group.State.Hue, g.group.State.Sat)))
+	if g.group.State.ColorMode == "xy" {
+		c := colorful.Xyy(float64(g.group.State.Xy[0]), float64(g.group.State.Xy[1]), (float64(g.group.State.Bri)/(255.0*1.5))+0.33)
+		r, gr, b := c.LinearRgb()
+		g.color.SetColor(r, gr, b, 1.0)
+	} else if g.group.State.ColorMode == "ct" {
+		r, gr, b := temperature.ToRGB(uint16(1000000.0 / float64(g.group.State.Ct)))
+		g.color.SetColor(float64(r)/255.0, float64(gr)/255.0, float64(b)/255.0, 1.0)
+	} else {
+		b := float64(g.group.State.Bri) / 255.0
+		g.color.SetColor(b, b, b, 1.0)
+	}
+	g.cb.SetChecked(g.group.IsOn())
+}
+
+func (g *group) onToggle(c *ui.Checkbox) {
+	fmt.Println("toggling", g.group.ID)
+	var err error
+	if c.Checked() {
+		err = g.group.On()
+	} else {
+		err = g.group.Off()
+	}
+	if err != nil {
+		panic(err)
+	}
+}
+
+func main() {
+	closer := make(chan bool)
+	err := ui.Main(func() {
+		gl := &groupList{}
+		uiModel := &uiModel{
+			gl: gl,
+		}
+		gl.box = ui.NewVerticalBox()
+		window := ui.NewWindow("Hue UI", 200, 100, false)
+		window.SetMargined(true)
+		window.SetChild(gl.box)
+		window.OnClosing(func(*ui.Window) bool {
+			ui.Quit()
+			return true
+		})
+		fmt.Println("whatup")
+		go updater(closer, uiModel)
+		window.Show()
+	})
+	fmt.Println("outside")
+	if err != nil {
+		panic(err)
+	}
+	close(closer)
+}
+
+func updater(closer chan bool, um *uiModel) {
+	um.update()
+	for {
+		select {
+		case <-closer:
+			return
+		case <-time.After(2 * time.Second):
+			fmt.Println("tick")
+			um.update()
+		}
+	}
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..d89abb3
--- /dev/null
+++ b/main.go
@@ -0,0 +1,154 @@
+package main
+
+import (
+	"fmt"
+	"math/rand"
+	"strconv"
+	"time"
+
+	"git.barakmich.com/barak/hue/discovery"
+	"github.com/amimof/huego"
+	"github.com/lucasb-eyer/go-colorful"
+)
+
+func setLightToHex(l *huego.Light, hex string, tTenths int) error {
+	return setLightToHexBright(l, hex, -1, tTenths)
+}
+
+func setLightToHexBright(l *huego.Light, hex string, bright int, tTenths int) error {
+	c, _ := colorful.Hex(hex)
+	xc, yc, yz := c.Xyy()
+	var bout uint8
+	if bright < 0 {
+		bout = uint8(255 * yz)
+	} else {
+		bout = uint8(bright)
+	}
+	return l.SetState(huego.State{
+		On:             true,
+		TransitionTime: uint16(tTenths),
+		ColorMode:      "xy",
+		Xy:             []float32{float32(xc), float32(yc)},
+		Bri:            bout,
+	})
+}
+
+func runTransition(l *huego.Light, ret chan *huego.Light) {
+	setLightToHex(l, "#aaaaaa", 7)
+	time.Sleep(800 * time.Millisecond)
+	setLightToHex(l, "#5555ff", 7)
+	time.Sleep(700 * time.Millisecond)
+	ret <- l
+}
+
+func runSnowAmbiance(lights []*huego.Light) {
+	for _, x := range lights {
+		setLightToHex(x, "#5555ff", 0)
+	}
+	var ready []*huego.Light
+	ret := make(chan *huego.Light, 100)
+	ready = lights
+	for {
+		select {
+		case l := <-ret:
+			ready = append(ready, l)
+		case <-time.Tick(100 * time.Millisecond):
+			if rand.Float32() < 0.03 {
+				if len(ready) == 0 {
+					continue
+				}
+				i := rand.Intn(len(ready))
+				l := ready[i]
+				ready = append(ready[:i], ready[i+1:]...)
+				go runTransition(l, ret)
+			}
+		}
+	}
+}
+
+func runRedTransition(l *huego.Light, c chan *huego.Light) {
+	setLightToHex(l, "#ff0000", 0)
+	c <- l
+}
+
+func runGreenTransition(l *huego.Light, c chan *huego.Light) {
+	setLightToHex(l, "#009900", 0)
+	c <- l
+}
+
+func runChristmas(lights []*huego.Light) {
+	var red []*huego.Light
+	var green []*huego.Light
+	redc := make(chan *huego.Light, 100)
+	greenc := make(chan *huego.Light, 100)
+	for _, x := range lights {
+		if rand.Float32() < 0.5 {
+			setLightToHex(x, "#ff0000", 0)
+			red = append(red, x)
+		} else {
+			setLightToHex(x, "#009900", 0)
+			green = append(green, x)
+		}
+	}
+	for {
+		select {
+		case x := <-redc:
+			red = append(red, x)
+		case x := <-greenc:
+			green = append(green, x)
+		case <-time.Tick(1000 * time.Millisecond):
+			if len(red)+len(green) == 0 {
+				continue
+			}
+			var selector = red
+			toRed := false
+			i := rand.Intn(len(red) + len(green))
+			if i >= len(red) {
+				i = i - len(red)
+				selector = green
+				toRed = true
+			}
+			l := selector[i]
+			selector = append(selector[:i], selector[i+1:]...)
+			if toRed {
+				go runRedTransition(l, redc)
+			} else {
+				go runGreenTransition(l, greenc)
+			}
+		}
+	}
+}
+
+func main() {
+	bridge, err := discovery.DiscoverAndConnectFromConfig("barak-hue-test")
+	if err != nil {
+		panic(err)
+	}
+	groups, err := bridge.GetGroups()
+	if err != nil {
+		panic(err)
+	}
+	var all huego.Group
+	found := false
+	for _, x := range groups {
+		if x.Name == "All Colors" {
+			found = true
+			all = x
+			break
+		}
+	}
+	fmt.Println(all)
+
+	if !found {
+		panic("couldn't find it")
+	}
+	lightaddr := make([]*huego.Light, len(all.Lights))
+	for i, x := range all.Lights {
+		n, _ := strconv.Atoi(x)
+		lightaddr[i], err = bridge.GetLight(n)
+		if err != nil {
+			panic(err)
+		}
+	}
+	runChristmas(lightaddr)
+}