Add visual power indicator character

cmd/config.go

@@ -12,6 +12,7 @@ import (
 
 const lumercFile string = ".lumerc"
 const lumeConfigFile string = "lume.conf"
+const defaultPowerIndicator rune = '●'
 
 type Config struct {
 	AccessToken  string               `toml:"access_token"`
@@ -19,6 +20,7 @@ type Config struct {
 	Colors       map[string][]float32 `toml:"colors"`
 	userAgent    string
 	Debug        bool   `toml:"debug"`
+	Indicator    string `toml:"indicator"`
 }
 
 var (
@@ -33,6 +35,7 @@ func NewConfig() *Config {
 	c.userAgent = initUserAgent()
 	c.Debug = false
 	c.OutputFormat = "simple"
+	c.Indicator = string(defaultPowerIndicator)
 	return c
 }
 
@@ -48,6 +51,10 @@ func (c *Config) Validate() error {
 		return errors.New("access_token is not set")
 	}
 
+	if len([]rune(c.Indicator)) != 1 {
+		return errors.New("indicator must be a single rune")
+	}
+
 	if err = c.validateColors(); err != nil {
 		return err
 	}

cmd/print.go

@@ -102,6 +102,15 @@ func (tp *tablePrinter) Lights(lights []lifx.Light) {
 	table.Render()
 }
 
+func ColorizeIndicator(s string) string {
+	c := color.New(color.FgRed)
+	if s == "on" {
+		c = color.New(color.FgGreen)
+	}
+
+	return c.Sprint(GetConfig().Indicator)
+}
+
 func ColorizePower(s string) string {
 	c := color.New(color.FgRed)
 	if s == "on" {
@@ -130,10 +139,11 @@ func PrintfWithIndent(indent int, format string, a ...interface{}) (n int, err e
 }
 
 func makeLightsTable(lights []lifx.Light) (hdr []string, rows [][]string) {
-	hdr = []string{"ID", "Location", "Group", "Label", "Last Seen", "Power"}
+	hdr = []string{"", "ID", "Location", "Group", "Label", "Last Seen", "Power"}
 
 	for _, l := range lights {
 		rows = append(rows, []string{
+			fmt.Sprint(ColorizeIndicator(l.Power)),
 			fmt.Sprint(l.Id),
 			fmt.Sprint(l.Location.Name),
 			fmt.Sprint(l.Group.Name),

cmd/show.go

@@ -39,12 +39,13 @@ func ShowCmd(ctx Context) (int, error) {
 	for i, l := range lights {
 		indent = 0
 		fmt.Printf(
-			"Light ID: %s, %s, Power: %s\n",
+			"%s Light ID: %s, %s, Power: %s\n",
+			ColorizeIndicator(l.Power),
 			l.Id,
 			connected(l.Connected),
 			ColorizePower(l.Power),
 		)
-		indent += Tabstop
+		indent += Tabstop + 2
 		PrintfWithIndent(indent, "Label: %s, ID: %s\n", l.Label, l.Id)
 		PrintfWithIndent(indent, "UUID: %s\n", l.UUID)
 		PrintfWithIndent(indent, "Location: %s, ID: %s\n", l.Location.Name, l.Location.Id)