package main

import (
	"time"

	ui "github.com/VladimirMarkelov/clui"
)

type RebootDialog struct {
	View *ui.Window
}

func CreateRebootDialog(title, login string) *RebootDialog {
	dlg := new(RebootDialog)

	sWidth, sHeight := ui.ScreenSize()
	wWidth, wHeight := 48, 10
	dlg.View = ui.AddWindow(sWidth/2-wWidth/2, sHeight/2-wHeight/2, wWidth, wHeight, title)
	ui.WindowManager().BeginUpdate()
	defer ui.WindowManager().EndUpdate()

	dlg.View.SetModal(true)
	dlg.View.SetSizable(false)
	dlg.View.SetTitleButtons(ui.ButtonDefault)
	dlg.View.SetPack(ui.Vertical)

	textfrm := ui.CreateFrame(dlg.View, 1, 1, ui.BorderNone, ui.Fixed)
	textfrm.SetPaddings(1, 1)
	textfrm.SetPack(ui.Vertical)
	textfrm.SetGaps(2, 1)

	lbl1 := ui.CreateLabel(textfrm, ui.AutoSize, ui.AutoSize, "   You are now successfully logged in as:", ui.Fixed)
	lbl1.SetTextColor(ui.ColorWhiteBold)

	for i := 0; i <= wWidth/2-len(login)/2; i += 1 {
		login = " " + login
	}
	lbl2 := ui.CreateLabel(textfrm, ui.AutoSize, ui.AutoSize, login, 1)
	lbl2.SetTextColor(ui.ColorGreenBold)

	lbl3 := ui.CreateLabel(textfrm, 40, 2, "     Your computer will automatically\n         reboot in a few seconds...", ui.Fixed)
	lbl3.SetMultiline(true)

	progress := ui.CreateProgressBar(textfrm, ui.AutoSize, ui.AutoSize, ui.Fixed)
	progress.SetLimits(0, 100)

	lbl4 := ui.CreateLabel(textfrm, 40, 4, "\nThe challenge begins right after the reboot.                Good luck!", ui.Fixed)
	lbl4.SetTextColor(ui.ColorWhiteBold)
	lbl4.SetMultiline(true)

	go func() {
		for i := 0; i < 100; i += 1 {
			progress.SetValue(i)
			ui.PutEvent(ui.Event{Type: ui.EventRedraw})
			time.Sleep(64 * time.Millisecond)
		}
		ui.WindowManager().DestroyWindow(dlg.View)
	}()

	return dlg
}