vc

from __future__ import print_function

import sys
from collections import OrderedDict
from vcScript import *


class Button(object):
  """
  switch := button is pressed
  light := light is on
  """
  def __init__(self, name, true_color='light_green', false_color='dark_green'):
    comp = getComponent()
    app = getApplication()
    self.app = app
    self.comp = comp

    comp.Material = None
    comp.update()
    app.render()

    self.name = name
    self.true_color = app.findMaterial(true_color)
    self.false_color = app.findMaterial(false_color)
    self.node = comp.findNode('Link_' + name)
    self.node.MaterialInheritance = VC_MATERIAL_FORCE_INHERIT_NODE

    # print(self.node.Name)

    self._option = comp.getProperty('Options::' + name)
    self._input = comp.findBehaviour('Signals::{}_pressed'.format(name))
    self._output = comp.findBehaviour('Signals::{}_light'.format(name))
    if self._output:
      self._output.OnValueChange = self.light_changed
    self._joginfo = comp.findBehaviour('{}_joginfo'.format(name))
    self._joginfo.OnInteract = self.pressed

  def light_changed(self, property):
    if self.light:
      self.node.NodeMaterial = self.true_color
    else:
      self.node.NodeMaterial = self.false_color
    self.comp.update()
    self.app.render()

  def pressed(self, behaviour, action, data):
    if action == 1:
      self.state = not self.state
      self.switch = self.state
      self.comp.update()
      self.app.render()

  @property
  def switch(self):
    return self._input.Value

  @switch.setter
  def switch(self, value):
    print('Setting value for switch', self._input.Name, 'to', value)
    # direct write to Value of the property does
    # not work
    # the methdod signal must be used to set the new value
    self._input.signal(value)

  @property
  def light(self):
    return self._output.Value

  @property
  def state(self):
    return self._option.Value

  @state.setter
  def state(self, value):
    self._option.Value = value

  def __repr__(self):
    return 'Button("{}")'.format(self.name)

  __str__ = __repr__


class Buttons(object):

  def __init__(self, switches, true_color, false_color):
    self._buttons = OrderedDict()
    for sw in switches:
      self._buttons[sw] = Button(sw, true_color, false_color)

  def __repr__(self):
    return 'Buttons([{}])'.format(self.switches)

  __str__ = __repr__

  def __getitem__(self, key):
    return self._buttons[key]

  __getattr__ = __getitem__


if __name__ == '__main__':
  print(sys.version)
  app = getApplication()
  switches = ('Start', 'Stop', 'ACK', 'REF', 'Reset')
  buttons = Buttons(switches, 'light_red', 'dark_red')