package ui

import (
	"git.bullercodeworks.com/brian/wandle"
	"git.bullercodeworks.com/brian/widdles"
	"github.com/nsf/termbox-go"
)

type settingsScreen struct {
	ui          *Ui
	initialized bool
	menu        *widdles.TopMenu
}

type SettingsMsg ScreenMsg

func NewSettingsScreen(u *Ui) *settingsScreen {
	return &settingsScreen{
		ui:   u,
		menu: widdles.NewTopMenu(0, 0, 0),
	}
}

func (s *settingsScreen) Init() wandle.Cmd {
	if s.initialized {
		return nil
	}
	s.initialized = true
	// Set up the top menu
	fileMenu := s.menu.NewSubMenu("File")
	quitOption := widdles.NewMenuItem("Quit")
	quitOption.SetHotkey(widdles.NewHotkey(termbox.KeyCtrlC))
	quitOption.SetCommand(func() wandle.Msg { return wandle.Quit() })
	fileMenu.AddOption(quitOption)
	gotoMenu := s.menu.NewSubMenu("Goto")
	timerListOption := widdles.NewMenuItem("Timer List")
	timerListOption.SetCommand(s.ui.GotoScreen(ListTimersId))
	gotoMenu.AddOption(timerListOption)
	s.menu.Measure()
	return nil
}

func (s *settingsScreen) Update(msg wandle.Msg) wandle.Cmd {
	switch msg := msg.(type) {
	case ScreenMsg:
	case termbox.Event:
		return s.handleTermboxEvent(msg)
	}
	return nil
}

func (s *settingsScreen) View(style wandle.Style) {
	wandle.Print(1, 1, style, "Settings")
	if s.menu.IsActive() {
		s.menu.View(style)
	}
}

func (s *settingsScreen) handleTermboxEvent(msg termbox.Event) wandle.Cmd {
	if (msg.Type == termbox.EventKey && msg.Key == termbox.KeyEsc) || s.menu.IsActive() {
		return s.menu.Update(msg)
	}
	return nil
}

func (s *settingsScreen) gotoTimerList() wandle.Msg {
	return ScreenMsg{
		source:  SettingsId,
		command: CmdGotoTimerList,
	}
}