Progressbar test (hacking time joke from kung fury)

hacktime

package main

import (
	"github.com/nsf/termbox-go"
	"time"
	"fmt"
	"os"
	"strconv"
)

var output_mode = termbox.OutputNormal
var fg = termbox.ColorGreen
var bg = termbox.ColorBlack

func main() {
	err := termbox.Init()
	if err != nil {
		panic(err)
	}
	defer termbox.Close()

	DrawInterface()
loop:
	for {
		switch ev := termbox.PollEvent(); ev.Type {
		case termbox.EventKey:
			switch ev.Key {
			case termbox.KeyEsc:
				break loop
			case termbox.KeyArrowLeft:
				DrawChoice(true, 4,7)
				termbox.Sync()
			case termbox.KeyArrowRight:
				DrawChoice(false, 4,7)
				termbox.Sync()
			case termbox.KeyEnter:
				termbox.Clear(termbox.ColorDefault, termbox.ColorDefault)
				x,y := termbox.Size()
				tbprint((x /2) - 5 , y /2 , fg, bg, "Hacking time")
				destination,_ :=strconv.Atoi(os.Args[1])				
				timediff := time.Now().Year() - destination

				go DrawProgressBar(timediff, x/2 - (timediff/2) ,  y/2 +2)
				termbox.Sync()

			}
		case termbox.EventResize:
			DrawInterface()
		}
	}
	
}

func tbprint(x, y int, fg, bg termbox.Attribute, msg string) {
	for _, c := range msg {
		termbox.SetCell(x, y, c, fg, bg)
		x++
	}
}

func DrawChoice(selected bool, x int, y int) {
	var bg,fg termbox.Attribute

	if selected {
		bg = termbox.ColorBlack
		fg = termbox.ColorGreen		

	} else {
		fg = termbox.ColorBlack
		bg = termbox.ColorGreen
	}

	tbprint(x, y, bg, fg, "YES")
	tbprint(x + 5, y, fg, bg, "NO")

}


func DrawInterface() {
	termbox.Clear(termbox.ColorDefault, termbox.ColorDefault)

	tbprint(2, 5, fg, bg, "Are you sure you want to hack time?")
	tbprint(2, 7, fg, bg, ">")
	DrawChoice(true, 4, 7)


	termbox.Sync()

}

func DrawProgressBar( max int, posx,posy int){
	odd := true
	for i:= 0; i <= max; i++ {
		termbox.SetCell(posx + i, posy, '█', fg, bg)
		time.Sleep(1000 * time.Millisecond)
		tbprint(posx + 6, posy + 2, termbox.ColorWhite, termbox.ColorDefault, fmt.Sprintf("Years hacked: %d", i))		
		if max -i <= 8 {
			if odd {
				tbprint(posx + 6, posy + 4, termbox.ColorBlack, termbox.ColorRed, "TOO MUCH TIME HACKED")
				odd = false
			} else {
				tbprint(posx + 6, posy +4, termbox.ColorRed, termbox.ColorBlack, "TOO MUCH TIME HACKED")
				odd = true
			}
		}
		termbox.Sync()		
	}



}