package main

import (
	"github.com/br0xen/termbox-util"
	"github.com/nsf/termbox-go"
)

const (
	modalNone = iota
	modalNewFile
	modalSaveFile
)

type browserScreen struct {
	initialized  bool
	currentModal int
	confirmModal *termboxUtil.ConfirmModal
}

func (screen *browserScreen) handleEvent(event termbox.Event) int {
	// TODO: Handle user input
	if event.Ch == '?' {
		return aboutScreenIndex
	} else if event.Ch == 'q' {
		return exitScreenIndex
	}
	return browserScreenIndex
}

func (screen *browserScreen) performLayout(style Style) {
	if !screen.initialized {
		if state.isNewDB {
			screen.currentModal = modalNewFile
			screen.confirmModal = termboxUtil.CreateConfirmModal(
				"Create New Database ("+state.filename+")?",
				(screenWidth/2 - 10),
				(screenHeight/2 - 10),
				20, 20,
				style.defaultFg, style.defaultBg,
			)
		}
	}
	screen.initialized = true
}

func (screen *browserScreen) drawScreen(style Style) {
	exitTxt := "Press '?' for about screen. ('q' to quit)"
	if screen.currentModal > modalNone {
		exitTxt += " Show Modal"
		switch screen.currentModal {
		case modalNewFile:
			exitTxt += " New File"
			screen.confirmModal.Draw()
		}
	}
	termboxUtil.DrawStringAtPoint(exitTxt, (screenWidth-len(exitTxt))/2, screenHeight-1, style.titleFg, style.titleBg)
}