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package cmd
import (
"log"
"time"
"github.com/spf13/cobra"
"github.com/nsfisis/term-clock/internal/term"
)
func drawClock(scr *term.Screen, now time.Time, bgStyle, fgStyle term.Style) {
// Clear the entire screen.
scr.Clear(bgStyle)
// Calculate square width/height and offset.
scrW, scrH := scr.Size()
// 17
// <--------------->
// ### ### ### ### ^
// # # # # # # # # # |
// # # # # # # # # | 5
// # # # # # # # # # |
// ### ### ### ### v
squareW := scrW / (17 + 2)
squareH := scrH / (5 + 2)
if squareH > squareW {
squareH = squareW
}
if squareW > squareH*3/2 {
squareW = squareH * 3 / 2
}
xOffset := (scrW - squareW*17) / 2
yOffset := (scrH - squareH*5) / 2
// Hour
hour := now.Hour()
term.DrawNumber(scr, hour/10, xOffset+squareW*0, yOffset, squareW, squareH, fgStyle)
term.DrawNumber(scr, hour%10, xOffset+squareW*4, yOffset, squareW, squareH, fgStyle)
// Colon
term.DrawSquare(scr, xOffset+squareW*8, yOffset+squareH*1, squareW, squareH, fgStyle)
term.DrawSquare(scr, xOffset+squareW*8, yOffset+squareH*3, squareW, squareH, fgStyle)
// Minute
minute := now.Minute()
term.DrawNumber(scr, minute/10, xOffset+squareW*10, yOffset, squareW, squareH, fgStyle)
term.DrawNumber(scr, minute%10, xOffset+squareW*14, yOffset, squareW, squareH, fgStyle)
}
func cmdClock(cmd *cobra.Command, args []string) {
scr, err := term.NewScreen()
if err != nil {
log.Fatalf("%+v", err)
}
defer scr.Close()
drawClock(scr, time.Now(), term.BgStyle, term.FgStyle)
scr.OnResize(func() bool {
drawClock(scr, time.Now(), term.BgStyle, term.FgStyle)
return false
})
go scr.DoEventLoop()
t := time.NewTicker(1 * time.Second)
defer t.Stop()
prev := time.Now()
for {
select {
case <-scr.QuitC:
return
case now := <-t.C:
if now.Minute() != prev.Minute() {
drawClock(scr, now, term.BgStyle, term.FgStyle)
scr.Show()
prev = now
}
}
}
}
var clockCmd = &cobra.Command{
Use: "clock",
Short: "Clock mode",
Run: cmdClock,
}
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