add set-color command

cmd/command.go

@@ -36,12 +36,20 @@ var (
 	defaultFast        bool    = false
 	defaultWhiteKelvin string  = ""
 	defaultWhiteName   string  = ""
+	defaultHue         string  = ""
+	defaultSaturation  string  = ""
+	defaultRGB         string  = ""
 )
 
 func (f Flags) String(name string) string {
 	return f.FlagSet.Lookup(name).Value.String()
 }
 
+func (f Flags) Float32(name string) float32 {
+	val, _ := strconv.ParseFloat(f.String(name), 32)
+	return float32(val)
+}
+
 func (f Flags) Float64(name string) float64 {
 	val, _ := strconv.ParseFloat(f.String(name), 64)
 	return val

cmd/setcolor.go

@@ -0,0 +1,105 @@
+package lumecmd
+
+import (
+	"flag"
+	"fmt"
+
+	"git.kill0.net/chill9/lume"
+)
+
+func init() {
+	var cmdName string = "set-color"
+
+	fs := flag.NewFlagSet(cmdName, flag.ExitOnError)
+
+	selector := fs.String("selector", "all", "the selector")
+	fs.StringVar(selector, "s", "all", "the selector")
+
+	power := fs.String("power", defaultPower, "power state")
+	fs.StringVar(power, "p", defaultPower, "power state")
+
+	hue := fs.String("hue", defaultHue, "hue level")
+	fs.StringVar(hue, "H", defaultHue, "hue level")
+
+	saturation := fs.String("saturation", defaultSaturation, "saturation level")
+	fs.StringVar(saturation, "S", defaultSaturation, "saturation level")
+
+	rgb := fs.String("rgb", defaultRGB, "RGB value")
+	fs.StringVar(rgb, "r", defaultRGB, "RGB value")
+
+	brightness := fs.String("brightness", defaultBrightness, "brightness state")
+	fs.StringVar(brightness, "b", defaultBrightness, "brightness state")
+
+	duration := fs.Float64("duration", defaultDuration, "duration state")
+	fs.Float64Var(duration, "d", defaultDuration, "duration state")
+
+	fast := fs.Bool("fast", defaultFast, "fast state")
+	fs.BoolVar(fast, "f", defaultFast, "fast state")
+
+	RegisterCommand(cmdName, Command{
+		Func:  SetColorCmd,
+		Flags: fs,
+	})
+}
+
+func SetColorCmd(args CmdArgs) int {
+	c := args.Client
+	state := lifx.State{}
+	selector := args.Flags.String("selector")
+
+	power := args.Flags.String("power")
+	if power != "" {
+		state.Power = power
+	}
+
+	hueFlag := args.Flags.String("hue")
+	saturationFlag := args.Flags.String("saturation")
+	rgbFlag := args.Flags.String("rgb")
+
+	if hueFlag != "" || saturationFlag != "" {
+		color := lifx.HSBKColor{}
+
+		if hueFlag != "" {
+			hue := args.Flags.Float32("hue")
+			color.H = lifx.Float32Ptr(hue)
+		}
+
+		if saturationFlag != "" {
+			saturation := args.Flags.Float32("saturation")
+			color.S = lifx.Float32Ptr(saturation)
+		}
+		state.Color = color
+
+	} else if rgbFlag != "" {
+		color, err := parseRGB(rgbFlag)
+		if err != nil {
+			fmt.Printf("fatal: %s\n", err)
+			return 1
+		}
+		state.Color = color
+	}
+
+	brightnessFlag := args.Flags.String("brightness")
+	if brightnessFlag != "" {
+		brightness := args.Flags.Float64("brightness")
+		state.Brightness = brightness
+	}
+
+	duration := args.Flags.Float64("duration")
+	state.Duration = duration
+
+	fast := args.Flags.Bool("fast")
+	state.Fast = fast
+
+	r, err := c.SetState(selector, state)
+	if err != nil {
+		fmt.Printf("fatal: %s\n", err)
+		return 1
+	}
+
+	if !fast {
+		PrintResults(r.Results)
+	}
+
+	return 0
+}

cmd/util.go

@@ -2,6 +2,8 @@ package lumecmd
 
 import (
 	"fmt"
+	"strconv"
+	"strings"
 	"time"
 
 	"git.kill0.net/chill9/lume"
@@ -101,3 +103,21 @@ func PrintLights(lights []lifx.Light) {
 		)
 	}
 }
+
+func parseRGB(s string) (lifx.RGBColor, error) {
+	var c lifx.RGBColor
+	rgb := strings.SplitN(s, ",", 3)
+	r, err := strconv.ParseUint(rgb[0], 10, 8)
+	if err != nil {
+		return c, err
+	}
+	g, err := strconv.ParseUint(rgb[1], 10, 8)
+	if err != nil {
+		return c, err
+	}
+	b, err := strconv.ParseUint(rgb[2], 10, 8)
+	if err != nil {
+		return c, err
+	}
+	return lifx.NewRGBColor(uint8(r), uint8(g), uint8(b))
+}

color.go

@@ -77,12 +77,13 @@ var (
 	}
 )
 
-func NewRGBColor(r, g, b uint8) (*RGBColor, error) {
+func NewRGBColor(r, g, b uint8) (RGBColor, error) {
+	var c RGBColor
 	if (r < 0 || r > 255) && (g < 0 || r > 255) && (b < 0 || b > 255) {
-		return nil, errors.New("values must be between 0-255")
+		return c, errors.New("values must be between 0-255")
 	}
 
-	return &RGBColor{R: r, G: g, B: b}, nil
+	return RGBColor{R: r, G: g, B: b}, nil
 }
 
 func NewHSColor(h, s float32) (HSBKColor, error) {
@@ -188,6 +189,10 @@ func (c HSBKColor) MarshalText() ([]byte, error) {
 	return []byte(c.ColorString()), nil
 }
 
+func (c RGBColor) MarshalText() ([]byte, error) {
+	return []byte(c.ColorString()), nil
+}
+
 func (c NamedColor) ColorString() string {
 	return string(c)
 }