package example

import (
	"colors"
	"../kos"
)

const (
	Btn1    = 2
	Btn2    = 3
	BtnExit = 1
)

type Button struct {
	label string
	x     int
	y     int
	id    int
}

func NewButton(label string, x int, y int, id int) Button {
	return Button{
		label: label,
		x:     x,
		y:     y,
		id:    id,
	}
}

func (button *Button) make() {
	kos.CreateButton(button.x, button.y, len(button.label)*15, 30, button.id, colors.Blue)
	kos.WriteText(button.x, button.y, 0x11000000|colors.White, button.label)
}

func RedrawAll(barPos int) {

	kos.Redraw(1)
	kos.Window(500, 250, 420, 200, "GoLang")
	kos.DrawLine(32, 80, 150, 80, colors.Green)
	kos.DrawBar(barPos, 90, 100, 30, colors.Red)
	
	str1 := "123"
	str2 := "222"

	if str1 == str2 || str2 == "222" {
		kos.WriteText(50,50,0,"==")
	} else {
		kos.WriteText(50,50,0,"!=")
	}

	b1 := NewButton(" <- ", 32, 128, Btn1)
	b1.make()

	b2 := NewButton(" -> ", 310, 128, Btn2)
	b2.make()

}

func Main() {
	pos := 160

	for {
		switch kos.Event() {
		case kos.EVENT_REDRAW:
			RedrawAll(pos)
		case kos.EVENT_BUTTON:
			switch kos.GetButtonID() {
			case Btn1:
				pos -= 32
				RedrawAll(pos)
			case Btn2:
				pos += 32
				RedrawAll(pos)
			case BtnExit:
				kos.Exit()
			}
		}
	}
}