#!/usr/bin/env python

from ..VDM import VDM
import os

import kivy
import i3
from kivy.app import App
from kivy.properties import *
from kivy.uix.gridlayout import GridLayout


class guiApp(GridLayout):
	""" display all vdm into kivy interface """
	
	# https://kivy.org/docs/api-kivy.properties.html#kivy.properties.ListProperty
	# NumericProperty, StringProperty, ListProperty, ObjectProperty, 
	# BooleanProperty, BoundedNumericProperty, OptionProperty, ReferenceListProperty, AliasProperty, DictProperty
	
	indice = NumericProperty(0)
	vdm = ListProperty([])

	def __init__(self, **kwargs):
		super(guiApp, self).__init__(**kwargs)
		from kivy.config import Config
		Config.set('graphics', 'width', '600')
		
		from kivy.core.window import Window
		self._keyboard = Window.request_keyboard(self._keyboard_closed, self)
		self._keyboard.bind(on_key_down = self._on_keyboard_down)
		i3.msg("command", "floating enable")
		
		self.v = VDM()
		self.vdm = self.v.get()
		self.render()

	def _nextAction(self):
		if self.indice == len(self.vdm)-1:
			self.vdm = self.v.get()
			self.indice = 0
		else:
			self.indice += 1
		self.render()

	def _prevAction(self):
		if self.indice > 0:
			self.indice -= 1
		self.render()

	def _keyboard_closed(self):
		self._keyboard.unbind(on_key_down = self._on_keyboard_down)
		self._keyboard = None

	def _on_keyboard_down(self, *args):
		if args[1][1] == 'right':
			self._nextAction()

		elif args[1][1] == 'left':
			self._prevAction()

	def render(self):
		print(self.indice)
		self.ids["Message"].text = self.vdm[self.indice]


class kivyApp(App):
	def build(self):
		return guiApp(cols=3)