lume/cmd/ls.go
2020-03-26 20:51:26 -05:00

98 lines
1.7 KiB
Go

package lumecmd
import (
"flag"
"fmt"
"time"
"git.kill0.net/chill9/go-lifx"
)
var (
idWidth, locationWidth, groupWidth, labelWidth, lastSeenWidth, powerWidth int
)
func init() {
fs := flag.NewFlagSet("toggle", flag.ExitOnError)
fs.String("selector", "all", "Set the selector")
RegisterCommand("ls", Command{
Func: LsCmd,
Flags: fs,
})
}
func LsCmd(args CmdArgs) int {
c := args.Client
selector := args.Flags.String("selector")
lights, err := c.ListLights(selector)
if err != nil {
fmt.Println(err)
return 1
}
PrintLights(lights)
return 0
}
func PrintLights(lights []lifx.Light) {
calculateWidths(lights)
fmt.Printf("total %d\n", len(lights))
for _, l := range lights {
fmt.Printf(
"%*s %*s %*s %*s %*s %-*s\n",
idWidth, l.Id,
locationWidth, l.Location.Name,
groupWidth, l.Group.Name,
labelWidth, l.Label,
lastSeenWidth, l.LastSeen.Local().Format(time.RFC3339),
powerWidth, powerColor(l.Power),
)
}
}
func powerColor(s string) string {
fs := "\033[1;31m%s\033[0m"
if s == "on" {
fs = "\033[1;32m%s\033[0m"
}
return fmt.Sprintf(fs, s)
}
func calculateWidths(lights []lifx.Light) {
var length int
for _, l := range lights {
length = len(l.Id)
if idWidth < length {
idWidth = length
}
length = len(l.Location.Name)
if locationWidth < length {
locationWidth = length
}
length = len(l.Group.Name)
if groupWidth < length {
groupWidth = length
}
length = len(l.Label)
if labelWidth < length {
labelWidth = length
}
length = len(l.LastSeen.Local().Format(time.RFC3339))
if lastSeenWidth < length {
lastSeenWidth = length
}
length = len(l.Power)
if powerWidth < length {
powerWidth = length
}
}
}