Fix go.sum

cmd/breathe.go

@@ -0,0 +1,106 @@
+package lumecmd
+
+import (
+	"flag"
+
+	"git.kill0.net/chill9/lifx-go"
+)
+
+func NewCmdBreathe() Command {
+	return Command{
+		Name: "breathe",
+		Func: BreatheCmd,
+		Flags: func() *flag.FlagSet {
+			fs := flag.NewFlagSet("breathe", flag.ExitOnError)
+
+			selector := fs.String("selector", defaultSelector, "Set the selector")
+			fs.StringVar(selector, "s", defaultSelector, "Set the selector")
+
+			fs.String("color", defaultColor, "The color to use for the breathe effect")
+
+			fs.String("from-color", defaultColor, "The color to start the effect from")
+
+			fs.Float64("period", lifx.DefaultBreathePeriod, "The time in seconds for one cycle of the effect")
+
+			fs.Float64("cycles", lifx.DefaultBreatheCycles, "The number of times to repeat the effect")
+
+			fs.Bool("persist", lifx.DefaultBreathePersist, "If false set the light back to its previous value when effect ends, if true leave the last effect color")
+
+			fs.Bool("power-on", lifx.DefaultBreathePowerOn, "If true, turn the bulb on if it is not already on")
+
+			fs.Float64("peak", lifx.DefaultBreathePeak, "Defines where in a period the target color is at its maximum (min: 0.0, max: 1.0)")
+
+			fs.String("format", defaultOutputFormat, "Set the output format")
+
+			return fs
+		}(),
+		Use:   "[--selector <selector>] --color <color> [--from-color <color>] [--period <period>] [--cycles <cycles>] [--persist <persist>] [--power-on] [--peak <peak>]",
+		Short: "The breathe effect",
+	}
+}
+
+func BreatheCmd(ctx Context) (int, error) {
+	var p Printer
+
+	c := ctx.Client
+	breathe := lifx.NewBreathe()
+	selector := ctx.Flags.String("selector")
+	format := ctx.Flags.String("format")
+
+	if format == "" && ctx.Config.OutputFormat != "" {
+		format = ctx.Config.OutputFormat
+	}
+
+	color := ctx.Flags.String("color")
+	if color != "" {
+		breathe.Color = lifx.NamedColor(color)
+	}
+
+	from_color := ctx.Flags.String("from-color")
+	if from_color != "" {
+		breathe.FromColor = lifx.NamedColor(from_color)
+	}
+
+	periodFlag := ctx.Flags.String("period")
+	if periodFlag != "" {
+		period := ctx.Flags.Float64("period")
+		breathe.Period = period
+	}
+
+	cyclesFlag := ctx.Flags.String("cycles")
+	if cyclesFlag != "" {
+		cycles := ctx.Flags.Float64("cycles")
+		breathe.Cycles = cycles
+	}
+
+	persist := ctx.Flags.Bool("persist")
+	breathe.Persist = persist
+
+	power_on := ctx.Flags.Bool("power-on")
+	breathe.PowerOn = power_on
+
+	peakFlag := ctx.Flags.String("peak")
+	if peakFlag != "" {
+		peak := ctx.Flags.Float64("peak")
+		breathe.Peak = peak
+	}
+
+	if color == "" {
+		printCmdHelp(ctx.Name)
+		return ExitFailure, nil
+	}
+
+	if err := breathe.Valid(); err != nil {
+		return ExitFailure, err
+	}
+
+	r, err := c.Breathe(selector, breathe)
+	if err != nil {
+		return ExitFailure, err
+	}
+
+	p = NewPrinter(format)
+	p.Results(r.Results)
+
+	return ExitSuccess, nil
+}

cmd/command.go

@@ -1,7 +1,6 @@
 package lumecmd
 
 import (
-	"errors"
 	"flag"
 	"fmt"
 	"strconv"
@@ -14,13 +13,7 @@ const (
 	ExitFailure
 )
 
-type Config struct {
-	AccessToken  string               `toml:"access_token"`
-	OutputFormat string               `toml:"output_format"`
-	Colors       map[string][]float32 `toml:"colors"`
-}
-
-type CmdArgs struct {
+type Context struct {
 	Flags  Flags
 	Args   []string
 	Client *lifx.Client
@@ -34,7 +27,7 @@ type Flags struct {
 
 type Command struct {
 	Name  string
-	Func  func(CmdArgs) (int, error)
+	Func  func(Context) (int, error)
 	Flags *flag.FlagSet
 	Use   string
 	Short string
@@ -96,38 +89,3 @@ func GetCommand(name string) (Command, bool) {
 	cmd, ok := commandRegistry[name]
 	return cmd, ok
 }
-
-// Validate configuration struct
-func (c *Config) Validate() error {
-	var err error
-	if c.AccessToken == "" {
-		err = errors.New("access_token is not set")
-	}
-
-	if err = c.validateColors(); err != nil {
-		return err
-	}
-
-	return err
-}
-
-func (c *Config) validateColors() (err error) {
-	if len(c.Colors) > 0 {
-		for name, hsb := range c.Colors {
-			if len(hsb) != 3 {
-				return fmt.Errorf("color '%s' needs three values", name)
-			}
-			h, s, b := hsb[0], hsb[1], hsb[2]
-			if h < 0 || h > 360 {
-				return fmt.Errorf("color '%s' hue value must be between 0.0-360.0", name)
-			}
-			if s < 0 || b > 1 {
-				return fmt.Errorf("color '%s' saturation value must be between 0.0-1.0", name)
-			}
-			if b < 0 || b > 1 {
-				return fmt.Errorf("color '%s' brightness value must be between 0.0-1.0", name)
-			}
-		}
-	}
-	return err
-}

cmd/config.go

@@ -0,0 +1,128 @@
+package lumecmd
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path"
+	"strings"
+
+	"github.com/BurntSushi/toml"
+)
+
+const lumercFile string = ".lumerc"
+
+type Config struct {
+	AccessToken  string               `toml:"access_token"`
+	OutputFormat string               `toml:"output_format"`
+	Colors       map[string][]float32 `toml:"colors"`
+	userAgent    string
+}
+
+var (
+	DefaultConfig = Config{
+		userAgent: initUserAgent(),
+	}
+)
+
+// Validate configuration struct
+func (c *Config) Validate() error {
+	var err error
+	if c.AccessToken == "" {
+		err = errors.New("access_token is not set")
+	}
+
+	if err = c.validateColors(); err != nil {
+		return err
+	}
+
+	return err
+}
+
+func (c *Config) validateColors() (err error) {
+	if len(c.Colors) > 0 {
+		for name, hsb := range c.Colors {
+			if len(hsb) != 3 {
+				return fmt.Errorf("color '%s' needs three values", name)
+			}
+			h, s, b := hsb[0], hsb[1], hsb[2]
+			if h < 0 || h > 360 {
+				return fmt.Errorf("color '%s' hue value must be between 0.0-360.0", name)
+			}
+			if s < 0 || b > 1 {
+				return fmt.Errorf("color '%s' saturation value must be between 0.0-1.0", name)
+			}
+			if b < 0 || b > 1 {
+				return fmt.Errorf("color '%s' brightness value must be between 0.0-1.0", name)
+			}
+		}
+	}
+	return err
+}
+
+func (c *Config) MergeWithEnv() {
+	envAccessToken := os.Getenv("LIFX_ACCESS_TOKEN")
+	if envAccessToken != "" {
+		c.AccessToken = envAccessToken
+	}
+}
+
+func LoadConfig(s string) (*Config, error) {
+	var err error
+	var c *Config = &Config{}
+
+	*c = DefaultConfig
+
+	if _, err := toml.Decode(s, &c); err != nil {
+		err = fmt.Errorf("fatal: failed to parse; %w", err)
+	}
+
+	return c, err
+}
+
+func LoadConfigFile(configPath string) (*Config, error) {
+	var err error
+
+	var c *Config = &Config{}
+
+	*c = DefaultConfig
+
+	if _, err := toml.DecodeFile(configPath, &c); err != nil {
+		err = fmt.Errorf("fatal: failed to parse %s; %w", configPath, err)
+	}
+
+	return c, err
+}
+
+func getConfigPath() string {
+	var tryPath, configPath string
+
+	// ~/.lumerc
+	homeDir, err := os.UserHomeDir()
+	if err == nil {
+		tryPath = path.Join(homeDir, lumercFile)
+		if _, err := os.Stat(tryPath); !os.IsNotExist(err) {
+			configPath = tryPath
+		}
+	}
+
+	// ./.lumerc
+	cwd, err := os.Getwd()
+	if err == nil {
+		tryPath = path.Join(cwd, lumercFile)
+		if _, err := os.Stat(tryPath); !os.IsNotExist(err) {
+			configPath = tryPath
+		}
+	}
+
+	return configPath
+}
+
+func initUserAgent() string {
+	var b strings.Builder
+
+	b.WriteString("lume")
+	b.WriteRune('/')
+	b.WriteString(Version)
+	return b.String()
+}

cmd/help.go

@@ -14,11 +14,11 @@ func NewCmdHelp() Command {
 	}
 }
 
-func HelpCmd(args CmdArgs) (int, error) {
-	if len(args.Args) == 0 {
+func HelpCmd(ctx Context) (int, error) {
+	if len(ctx.Args) == 0 {
 		printHelp(commandRegistry)
-	} else if len(args.Args) >= 1 {
-		printCmdHelp(args.Args[0])
+	} else if len(ctx.Args) >= 1 {
+		printCmdHelp(ctx.Args[0])
 	}
 
 	return ExitSuccess, nil

cmd/ls.go

@@ -23,13 +23,15 @@ func NewCmdLs() Command {
 	}
 }
 
-func LsCmd(args CmdArgs) (int, error) {
-	c := args.Client
-	selector := args.Flags.String("selector")
-	format := args.Flags.String("format")
+func LsCmd(ctx Context) (int, error) {
+	var p Printer
 
-	if format == "" && args.Config.OutputFormat != "" {
-		format = args.Config.OutputFormat
+	c := ctx.Client
+	selector := ctx.Flags.String("selector")
+	format := ctx.Flags.String("format")
+
+	if format == "" && ctx.Config.OutputFormat != "" {
+		format = ctx.Config.OutputFormat
 	}
 
 	lights, err := c.ListLights(selector)
@@ -37,12 +39,8 @@ func LsCmd(args CmdArgs) (int, error) {
 		return ExitFailure, err
 	}
 
-	switch format {
-	case "table":
-		PrintLightsTable(lights)
-	default:
-		PrintLights(lights)
-	}
+	p = NewPrinter(format)
+	p.Lights(lights)
 
 	return ExitSuccess, nil
 }

cmd/main.go

@@ -4,19 +4,11 @@ import (
 	"errors"
 	"flag"
 	"fmt"
-	"os"
-	"path"
-	"strings"
 
 	"git.kill0.net/chill9/lifx-go"
-	"github.com/BurntSushi/toml"
 )
 
-var userAgent string
-
 func init() {
-	userAgent = initUserAgent()
-
 	RegisterCommand(NewCmdHelp())
 	RegisterCommand(NewCmdLs())
 	RegisterCommand(NewCmdPoweroff())
@@ -27,17 +19,20 @@ func init() {
 	RegisterCommand(NewCmdShow())
 	RegisterCommand(NewCmdToggle())
 	RegisterCommand(NewCmdVersion())
+	RegisterCommand(NewCmdBreathe())
 }
 
 var Version string
 var BuildDate string
 var GitCommit string
 
-const lumercFile string = ".lumerc"
-
 func Main(args []string) (int, error) {
-	var config Config
+	var config *Config
 	var err error
+	var i int
+
+	flag.Parse()
+	i = flag.NFlag() + 1
 
 	if len(args) == 1 {
 		args = append(args, "help")
@@ -49,33 +44,27 @@ func Main(args []string) (int, error) {
 		return ExitFailure, err
 	}
 
-	if _, err := toml.DecodeFile(configPath, &config); err != nil {
-		err = fmt.Errorf("fatal: failed to parse %s; %w", configPath, err)
+	if config, err = LoadConfigFile(configPath); err != nil {
 		return ExitFailure, err
 	}
-
-	envAccessToken := os.Getenv("LIFX_ACCESS_TOKEN")
-	if envAccessToken != "" {
-		config.AccessToken = envAccessToken
-	}
+	config.MergeWithEnv()
 
 	if err = config.Validate(); err != nil {
 		return ExitFailure, fmt.Errorf("fatal: %s", err)
 	}
 
-	flag.Parse()
-
-	command := args[1]
+	command := args[i]
+	i++
 
 	c := lifx.NewClient(
 		config.AccessToken,
-		lifx.WithUserAgent(userAgent),
+		lifx.WithUserAgent(config.userAgent),
 	)
 
-	cmdArgs := CmdArgs{
+	Context := Context{
 		Client: c,
-		Config: config,
-		Args:   args[2:],
+		Config: *config,
+		Args:   args[i:],
 	}
 
 	cmd, ok := GetCommand(command)
@@ -86,48 +75,15 @@ func Main(args []string) (int, error) {
 
 	fs := cmd.Flags
 	if fs != nil {
-		fs.Parse(args[2:])
-		cmdArgs.Flags = Flags{FlagSet: fs}
+		fs.Parse(args[i:])
+		Context.Flags = Flags{FlagSet: fs}
 	}
-	cmdArgs.Name = command
+	Context.Name = command
 
-	exitCode, err := cmd.Func(cmdArgs)
+	exitCode, err := cmd.Func(Context)
 	if err != nil {
 		err = fmt.Errorf("fatal: %s", err)
 	}
 
 	return exitCode, err
 }
-
-func getConfigPath() string {
-	var tryPath, configPath string
-
-	// ~/.lumerc
-	homeDir, err := os.UserHomeDir()
-	if err == nil {
-		tryPath = path.Join(homeDir, lumercFile)
-		if _, err := os.Stat(tryPath); !os.IsNotExist(err) {
-			configPath = tryPath
-		}
-	}
-
-	// ./.lumerc
-	cwd, err := os.Getwd()
-	if err == nil {
-		tryPath = path.Join(cwd, lumercFile)
-		if _, err := os.Stat(tryPath); !os.IsNotExist(err) {
-			configPath = tryPath
-		}
-	}
-
-	return configPath
-}
-
-func initUserAgent() string {
-	var b strings.Builder
-
-	b.WriteString("lume")
-	b.WriteRune('/')
-	b.WriteString(Version)
-	return b.String()
-}

cmd/poweroff.go

@@ -28,15 +28,17 @@ func NewCmdPoweroff() Command {
 	}
 }
 
-func PoweroffCmd(args CmdArgs) (int, error) {
-	c := args.Client
-	duration := args.Flags.Float64("duration")
-	selector := args.Flags.String("selector")
-	format := args.Flags.String("format")
+func PoweroffCmd(ctx Context) (int, error) {
+	var p Printer
+
+	c := ctx.Client
+	duration := ctx.Flags.Float64("duration")
+	selector := ctx.Flags.String("selector")
+	format := ctx.Flags.String("format")
 	state := lifx.State{Power: "off", Duration: duration}
 
-	if format == "" && args.Config.OutputFormat != "" {
-		format = args.Config.OutputFormat
+	if format == "" && ctx.Config.OutputFormat != "" {
+		format = ctx.Config.OutputFormat
 	}
 
 	r, err := c.SetState(selector, state)
@@ -44,12 +46,8 @@ func PoweroffCmd(args CmdArgs) (int, error) {
 		return ExitFailure, err
 	}
 
-	switch format {
-	case "table":
-		PrintResultsTable(r.Results)
-	default:
-		PrintResults(r.Results)
-	}
+	p = NewPrinter(format)
+	p.Results(r.Results)
 
 	return ExitSuccess, nil
 }

cmd/poweron.go

@@ -28,15 +28,17 @@ func NewCmdPoweron() Command {
 	}
 }
 
-func PoweronCmd(args CmdArgs) (int, error) {
-	c := args.Client
-	duration := args.Flags.Float64("duration")
-	selector := args.Flags.String("selector")
-	format := args.Flags.String("format")
+func PoweronCmd(ctx Context) (int, error) {
+	var p Printer
+
+	c := ctx.Client
+	duration := ctx.Flags.Float64("duration")
+	selector := ctx.Flags.String("selector")
+	format := ctx.Flags.String("format")
 	state := lifx.State{Power: "on", Duration: duration}
 
-	if format == "" && args.Config.OutputFormat != "" {
-		format = args.Config.OutputFormat
+	if format == "" && ctx.Config.OutputFormat != "" {
+		format = ctx.Config.OutputFormat
 	}
 
 	r, err := c.SetState(selector, state)
@@ -44,12 +46,8 @@ func PoweronCmd(args CmdArgs) (int, error) {
 		return ExitFailure, err
 	}
 
-	switch format {
-	case "table":
-		PrintResultsTable(r.Results)
-	default:
-		PrintResults(r.Results)
-	}
+	p = NewPrinter(format)
+	p.Results(r.Results)
 
 	return ExitSuccess, nil
 }

cmd/print.go

@@ -10,6 +10,98 @@ import (
 	"github.com/olekukonko/tablewriter"
 )
 
+type Printer interface {
+	Results(results []lifx.Result)
+	Lights(lights []lifx.Light)
+}
+
+type defaultPrinter struct{}
+
+type tablePrinter struct{}
+
+func NewPrinter(format string) Printer {
+	switch format {
+	case "table":
+		return &tablePrinter{}
+	default:
+		return &defaultPrinter{}
+	}
+}
+
+func (dp *defaultPrinter) Results(results []lifx.Result) {
+	sortResults(results)
+
+	table := tablewriter.NewWriter(os.Stdout)
+	_, rows := makeResultsTable(results)
+
+	for _, v := range rows {
+		table.Append(v)
+	}
+
+	fmt.Printf("total %d\n", len(results))
+	table.SetAlignment(tablewriter.ALIGN_LEFT)
+	table.SetAutoWrapText(false)
+	table.SetBorder(false)
+	table.SetCenterSeparator("")
+	table.SetColumnSeparator("")
+	table.SetHeaderLine(false)
+	table.SetNoWhiteSpace(true)
+	table.SetRowSeparator("")
+	table.SetTablePadding(" ")
+	table.Render()
+}
+
+func (tp *tablePrinter) Results(results []lifx.Result) {
+	sortResults(results)
+
+	table := tablewriter.NewWriter(os.Stdout)
+	hdr, rows := makeResultsTable(results)
+
+	for _, v := range rows {
+		table.Append(v)
+	}
+
+	table.SetHeader(hdr)
+	table.Render()
+}
+
+func (dp *defaultPrinter) Lights(lights []lifx.Light) {
+	sortLights(lights)
+
+	table := tablewriter.NewWriter(os.Stdout)
+	_, rows := makeLightsTable(lights)
+
+	for _, v := range rows {
+		table.Append(v)
+	}
+
+	fmt.Printf("total %d\n", len(lights))
+	table.SetAlignment(tablewriter.ALIGN_LEFT)
+	table.SetAutoWrapText(false)
+	table.SetBorder(false)
+	table.SetCenterSeparator("")
+	table.SetColumnSeparator("")
+	table.SetHeaderLine(false)
+	table.SetNoWhiteSpace(true)
+	table.SetRowSeparator("")
+	table.SetTablePadding(" ")
+	table.Render()
+}
+
+func (tp *tablePrinter) Lights(lights []lifx.Light) {
+	sortLights(lights)
+
+	table := tablewriter.NewWriter(os.Stdout)
+	hdr, rows := makeLightsTable(lights)
+
+	for _, v := range rows {
+		table.Append(v)
+	}
+
+	table.SetHeader(hdr)
+	table.Render()
+}
+
 func ColorizePower(s string) string {
 	c := color.New(color.FgRed)
 	if s == "on" {
@@ -69,77 +161,3 @@ func makeResultsTable(results []lifx.Result) (hdr []string, rows [][]string) {
 
 	return
 }
-
-func PrintLights(lights []lifx.Light) {
-	sortLights(lights)
-
-	table := tablewriter.NewWriter(os.Stdout)
-	_, rows := makeLightsTable(lights)
-
-	for _, v := range rows {
-		table.Append(v)
-	}
-
-	fmt.Printf("total %d\n", len(lights))
-	table.SetAlignment(tablewriter.ALIGN_LEFT)
-	table.SetAutoWrapText(false)
-	table.SetBorder(false)
-	table.SetCenterSeparator("")
-	table.SetColumnSeparator("")
-	table.SetHeaderLine(false)
-	table.SetNoWhiteSpace(true)
-	table.SetRowSeparator("")
-	table.SetTablePadding(" ")
-	table.Render()
-}
-
-func PrintLightsTable(lights []lifx.Light) {
-	sortLights(lights)
-
-	table := tablewriter.NewWriter(os.Stdout)
-	hdr, rows := makeLightsTable(lights)
-
-	for _, v := range rows {
-		table.Append(v)
-	}
-
-	table.SetHeader(hdr)
-	table.Render()
-}
-
-func PrintResults(results []lifx.Result) {
-	sortResults(results)
-
-	table := tablewriter.NewWriter(os.Stdout)
-	_, rows := makeResultsTable(results)
-
-	for _, v := range rows {
-		table.Append(v)
-	}
-
-	fmt.Printf("total %d\n", len(results))
-	table.SetAlignment(tablewriter.ALIGN_LEFT)
-	table.SetAutoWrapText(false)
-	table.SetBorder(false)
-	table.SetCenterSeparator("")
-	table.SetColumnSeparator("")
-	table.SetHeaderLine(false)
-	table.SetNoWhiteSpace(true)
-	table.SetRowSeparator("")
-	table.SetTablePadding(" ")
-	table.Render()
-}
-
-func PrintResultsTable(results []lifx.Result) {
-	sortResults(results)
-
-	table := tablewriter.NewWriter(os.Stdout)
-	hdr, rows := makeResultsTable(results)
-
-	for _, v := range rows {
-		table.Append(v)
-	}
-
-	table.SetHeader(hdr)
-	table.Render()
-}

cmd/setcolor.go

@@ -50,28 +50,30 @@ func NewCmdSetColor() Command {
 	}
 }
 
-func SetColorCmd(args CmdArgs) (int, error) {
-	c := args.Client
-	state := lifx.State{}
-	selector := args.Flags.String("selector")
-	format := args.Flags.String("format")
+func SetColorCmd(ctx Context) (int, error) {
+	var p Printer
 
-	if format == "" && args.Config.OutputFormat != "" {
-		format = args.Config.OutputFormat
+	c := ctx.Client
+	state := lifx.State{}
+	selector := ctx.Flags.String("selector")
+	format := ctx.Flags.String("format")
+
+	if format == "" && ctx.Config.OutputFormat != "" {
+		format = ctx.Config.OutputFormat
 	}
 
-	power := args.Flags.String("power")
+	power := ctx.Flags.String("power")
 	if power != "" {
 		state.Power = power
 	}
 
-	hueFlag := args.Flags.String("hue")
-	saturationFlag := args.Flags.String("saturation")
-	rgbFlag := args.Flags.String("rgb")
-	name := args.Flags.String("name")
+	hueFlag := ctx.Flags.String("hue")
+	saturationFlag := ctx.Flags.String("saturation")
+	rgbFlag := ctx.Flags.String("rgb")
+	name := ctx.Flags.String("name")
 
 	if (hueFlag == "" || saturationFlag == "") && rgbFlag == "" && name == "" {
-		printCmdHelp(args.Name)
+		printCmdHelp(ctx.Name)
 		return ExitFailure, nil
 	}
 
@@ -79,12 +81,12 @@ func SetColorCmd(args CmdArgs) (int, error) {
 		color := lifx.HSBKColor{}
 
 		if hueFlag != "" {
-			hue := args.Flags.Float32("hue")
+			hue := ctx.Flags.Float32("hue")
 			color.H = lifx.Float32Ptr(hue)
 		}
 
 		if saturationFlag != "" {
-			saturation := args.Flags.Float32("saturation")
+			saturation := ctx.Flags.Float32("saturation")
 			color.S = lifx.Float32Ptr(saturation)
 		}
 		state.Color = color
@@ -96,7 +98,7 @@ func SetColorCmd(args CmdArgs) (int, error) {
 		}
 		state.Color = color
 	} else if name != "" {
-		hsb, ok := args.Config.Colors[name]
+		hsb, ok := ctx.Config.Colors[name]
 		if !ok {
 			return ExitFailure, fmt.Errorf("%s is not a defined color", name)
 		}
@@ -107,16 +109,16 @@ func SetColorCmd(args CmdArgs) (int, error) {
 		state.Color = color
 	}
 
-	brightnessFlag := args.Flags.String("brightness")
+	brightnessFlag := ctx.Flags.String("brightness")
 	if brightnessFlag != "" {
-		brightness := args.Flags.Float64("brightness")
+		brightness := ctx.Flags.Float64("brightness")
 		state.Brightness = brightness
 	}
 
-	duration := args.Flags.Float64("duration")
+	duration := ctx.Flags.Float64("duration")
 	state.Duration = duration
 
-	fast := args.Flags.Bool("fast")
+	fast := ctx.Flags.Bool("fast")
 	state.Fast = fast
 
 	r, err := c.SetState(selector, state)
@@ -126,12 +128,8 @@ func SetColorCmd(args CmdArgs) (int, error) {
 	}
 
 	if !fast {
-		switch format {
-		case "table":
-			PrintResultsTable(r.Results)
-		default:
-			PrintResults(r.Results)
-		}
+		p = NewPrinter(format)
+		p.Results(r.Results)
 	}
 
 	return ExitSuccess, nil

cmd/setstate.go

@@ -43,46 +43,48 @@ func NewCmdSetState() Command {
 	}
 }
 
-func SetStateCmd(args CmdArgs) (int, error) {
-	c := args.Client
-	state := lifx.State{}
-	selector := args.Flags.String("selector")
-	format := args.Flags.String("format")
+func SetStateCmd(ctx Context) (int, error) {
+	var p Printer
 
-	if format == "" && args.Config.OutputFormat != "" {
-		format = args.Config.OutputFormat
+	c := ctx.Client
+	state := lifx.State{}
+	selector := ctx.Flags.String("selector")
+	format := ctx.Flags.String("format")
+
+	if format == "" && ctx.Config.OutputFormat != "" {
+		format = ctx.Config.OutputFormat
 	}
 
-	power := args.Flags.String("power")
+	power := ctx.Flags.String("power")
 	if power != "" {
 		state.Power = power
 	}
 
-	color := args.Flags.String("color")
+	color := ctx.Flags.String("color")
 	if color != "" {
 		state.Color = lifx.NamedColor(color)
 	}
 
-	brightnessFlag := args.Flags.String("brightness")
+	brightnessFlag := ctx.Flags.String("brightness")
 	if brightnessFlag != "" {
-		brightness := args.Flags.Float64("brightness")
+		brightness := ctx.Flags.Float64("brightness")
 		state.Brightness = brightness
 	}
 
-	duration := args.Flags.Float64("duration")
+	duration := ctx.Flags.Float64("duration")
 	state.Duration = duration
 
-	infraredFlag := args.Flags.String("infrared")
+	infraredFlag := ctx.Flags.String("infrared")
 	if infraredFlag != "" {
-		infrared := args.Flags.Float64("infrared")
+		infrared := ctx.Flags.Float64("infrared")
 		state.Infrared = infrared
 	}
 
-	fast := args.Flags.Bool("fast")
+	fast := ctx.Flags.Bool("fast")
 	state.Fast = fast
 
 	if power == "" && color == "" && brightnessFlag == "" && infraredFlag == "" {
-		printCmdHelp(args.Name)
+		printCmdHelp(ctx.Name)
 		return ExitFailure, nil
 	}
 
@@ -92,12 +94,8 @@ func SetStateCmd(args CmdArgs) (int, error) {
 	}
 
 	if !fast {
-		switch format {
-		case "table":
-			PrintResultsTable(r.Results)
-		default:
-			PrintResults(r.Results)
-		}
+		p = NewPrinter(format)
+		p.Results(r.Results)
 	}
 
 	return ExitSuccess, nil

cmd/setwhite.go

@@ -46,24 +46,26 @@ func NewCmdSetWhite() Command {
 	}
 }
 
-func SetWhiteCmd(args CmdArgs) (int, error) {
-	c := args.Client
-	state := lifx.State{}
-	selector := args.Flags.String("selector")
-	format := args.Flags.String("format")
+func SetWhiteCmd(ctx Context) (int, error) {
+	var p Printer
 
-	if format == "" && args.Config.OutputFormat != "" {
-		format = args.Config.OutputFormat
+	c := ctx.Client
+	state := lifx.State{}
+	selector := ctx.Flags.String("selector")
+	format := ctx.Flags.String("format")
+
+	if format == "" && ctx.Config.OutputFormat != "" {
+		format = ctx.Config.OutputFormat
 	}
 
-	power := args.Flags.String("power")
+	power := ctx.Flags.String("power")
 	if power != "" {
 		state.Power = power
 	}
 
-	kelvinFlag := args.Flags.String("kelvin")
+	kelvinFlag := ctx.Flags.String("kelvin")
 	if kelvinFlag != "" {
-		kelvin := args.Flags.Int16("kelvin")
+		kelvin := ctx.Flags.Int16("kelvin")
 		color, err := lifx.NewWhite(kelvin)
 		if err != nil {
 			return ExitFailure, err
@@ -71,9 +73,9 @@ func SetWhiteCmd(args CmdArgs) (int, error) {
 		state.Color = color
 	}
 
-	name := args.Flags.String("name")
+	name := ctx.Flags.String("name")
 	if name != "" {
-		name := args.Flags.String("name")
+		name := ctx.Flags.String("name")
 		color, err := lifx.NewWhiteString(name)
 		if err != nil {
 			return ExitFailure, err
@@ -81,26 +83,26 @@ func SetWhiteCmd(args CmdArgs) (int, error) {
 		state.Color = color
 	}
 
-	brightnessFlag := args.Flags.String("brightness")
+	brightnessFlag := ctx.Flags.String("brightness")
 	if brightnessFlag != "" {
-		brightness := args.Flags.Float64("brightness")
+		brightness := ctx.Flags.Float64("brightness")
 		state.Brightness = brightness
 	}
 
-	duration := args.Flags.Float64("duration")
+	duration := ctx.Flags.Float64("duration")
 	state.Duration = duration
 
-	infraredFlag := args.Flags.String("infrared")
+	infraredFlag := ctx.Flags.String("infrared")
 	if infraredFlag != "" {
-		infrared := args.Flags.Float64("infrared")
+		infrared := ctx.Flags.Float64("infrared")
 		state.Infrared = infrared
 	}
 
-	fast := args.Flags.Bool("fast")
+	fast := ctx.Flags.Bool("fast")
 	state.Fast = fast
 
 	if power == "" && kelvinFlag == "" && name == "" && brightnessFlag == "" && infraredFlag == "" {
-		printCmdHelp(args.Name)
+		printCmdHelp(ctx.Name)
 		return ExitFailure, nil
 	}
 
@@ -110,12 +112,8 @@ func SetWhiteCmd(args CmdArgs) (int, error) {
 	}
 
 	if !fast {
-		switch format {
-		case "table":
-			PrintResultsTable(r.Results)
-		default:
-			PrintResults(r.Results)
-		}
+		p = NewPrinter(format)
+		p.Results(r.Results)
 	}
 
 	return ExitSuccess, nil

cmd/show.go

@@ -24,10 +24,10 @@ func NewCmdShow() Command {
 	}
 }
 
-func ShowCmd(args CmdArgs) (int, error) {
+func ShowCmd(ctx Context) (int, error) {
 	var indent int
-	c := args.Client
-	selector := args.Flags.String("selector")
+	c := ctx.Client
+	selector := ctx.Flags.String("selector")
 	lights, err := c.ListLights(selector)
 
 	if err != nil {

cmd/toggle.go

@@ -26,14 +26,16 @@ func NewCmdToggle() Command {
 	}
 }
 
-func ToggleCmd(args CmdArgs) (int, error) {
-	c := args.Client
-	duration := args.Flags.Float64("duration")
-	selector := args.Flags.String("selector")
-	format := args.Flags.String("format")
+func ToggleCmd(ctx Context) (int, error) {
+	var p Printer
 
-	if format == "" && args.Config.OutputFormat != "" {
-		format = args.Config.OutputFormat
+	c := ctx.Client
+	duration := ctx.Flags.Float64("duration")
+	selector := ctx.Flags.String("selector")
+	format := ctx.Flags.String("format")
+
+	if format == "" && ctx.Config.OutputFormat != "" {
+		format = ctx.Config.OutputFormat
 	}
 
 	r, err := c.Toggle(selector, duration)
@@ -41,12 +43,8 @@ func ToggleCmd(args CmdArgs) (int, error) {
 		return ExitFailure, err
 	}
 
-	switch format {
-	case "table":
-		PrintResultsTable(r.Results)
-	default:
-		PrintResults(r.Results)
-	}
+	p = NewPrinter(format)
+	p.Results(r.Results)
 
 	return ExitSuccess, nil
 }

cmd/version.go

@@ -2,6 +2,7 @@ package lumecmd
 
 import (
 	"fmt"
+	"runtime"
 	"strings"
 )
 
@@ -15,19 +16,23 @@ func NewCmdVersion() Command {
 	}
 }
 
-func VersionCmd(args CmdArgs) (int, error) {
+func VersionCmd(ctx Context) (int, error) {
 	var b strings.Builder
 
-	fmt.Fprintf(&b, "lume %s", Version)
-	b.WriteString(" ")
+	fmt.Fprintf(&b, "lume, version %s\n", Version)
+
 	if GitCommit != "" {
-		fmt.Fprintf(&b, "(git: %s)", GitCommit)
-		b.WriteString(" ")
-	}
-	if BuildDate != "" {
-		fmt.Fprintf(&b, "build_date: %s", BuildDate)
+		fmt.Fprintf(&b, "  revision:   %s\n", GitCommit)
 	}
 
-	fmt.Println(b.String())
+	if BuildDate != "" {
+		fmt.Fprintf(&b, "  build date: %s\n", BuildDate)
+	}
+
+	fmt.Fprintf(&b, "  go version: %s\n", runtime.Version())
+	fmt.Fprintf(&b, "  platform:   %s/%s\n", runtime.GOOS, runtime.GOARCH)
+
+	fmt.Print(b.String())
+
 	return ExitSuccess, nil
 }

go.mod

@@ -3,9 +3,11 @@ module git.kill0.net/chill9/lume
 go 1.15
 
 require (
-	git.kill0.net/chill9/lifx-go v0.0.0-20210215004437-f86c28b0a5ef
+	git.kill0.net/chill9/lifx-go v0.0.0-20210323044657-dbe1c40e1621
 	github.com/BurntSushi/toml v0.3.1
 	github.com/fatih/color v1.10.0
+	github.com/mattn/go-runewidth v0.0.10 // indirect
 	github.com/olekukonko/tablewriter v0.0.5
-	golang.org/x/sys v0.0.0-20210110051926-789bb1bd4061
+	github.com/rivo/uniseg v0.2.0 // indirect
+	golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4
 )

go.sum

@@ -1,5 +1,7 @@
 git.kill0.net/chill9/lifx-go v0.0.0-20210215004437-f86c28b0a5ef h1:8yyXAk+qiRvrowTeHHAOBZqGXXCr8SxWFydez61ZGp8=
 git.kill0.net/chill9/lifx-go v0.0.0-20210215004437-f86c28b0a5ef/go.mod h1:ZFKIcwdJ4Nqlrkn/eUHbeLt0NVhFsfxBREkVoA+jzUc=
+git.kill0.net/chill9/lifx-go v0.0.0-20210323044657-dbe1c40e1621 h1:koWq2W08HjmvsNm4D8kD0OjMZKCJ/3681P9XFMTj77I=
+git.kill0.net/chill9/lifx-go v0.0.0-20210323044657-dbe1c40e1621/go.mod h1:jInpjEqTBhrFpQKk7zPIWISvgjjfS2djXeKB3yB/8dY=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/fatih/color v1.10.0 h1:s36xzo75JdqLaaWoiEHk767eHiwo0598uUxyfiPkDsg=
@@ -10,9 +12,16 @@ github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHX
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-runewidth v0.0.10 h1:CoZ3S2P7pvtP45xOtBw+/mDL2z0RKI576gSkzRRpdGg=
+github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
+github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210110051926-789bb1bd4061 h1:DQmQoKxQWtyybCtX/3dIuDBcAhFszqq8YiNeS6sNu1c=
 golang.org/x/sys v0.0.0-20210110051926-789bb1bd4061/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4 h1:EZ2mChiOa8udjfp6rRmswTbtZN/QzUQp4ptM4rnjHvc=
+golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

lume.code-workspace

@@ -0,0 +1,12 @@
+{
+	"folders": [
+		{
+			"path": "."
+		},
+		{
+			"name": "lifx-go",
+			"path": "..\\lifx-go"
+		}
+	],
+	"settings": {}
+}