package main

import (
	"log"

	"github.com/jroimartin/gocui"
)

func DoUIMode() {
	g, err := gocui.NewGui(gocui.Output256)
	if err != nil {
		log.Panicln(err)
	}
	defer g.Close()
	g.Cursor = true
	g.SetManagerFunc(uiLayout)

	if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
		log.Panicln(err)
	}
}

func updateUiViews(g *gocui.Gui) {
	for _, v := range g.Views() {
		v.Clear()
	}
}

func uiLayout(g *gocui.Gui) error {
	if v, err := g.SetView("cal_view", 0, 0, 20, 20); err != nil {
		if err != gocui.ErrUnknownView {
			return err
		}
		_ = v
	}
	return nil
}