#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""buttond.py: Watch a Rasberry Pi GPIO button. Exec Hog4 comment macros."""

__author__ = "Kevin Matz"
__copyright__ = "Copyright 2019, Company 235, LLC"
__credits__ = ["Kevin Matz"]

__license__ = "MIT"
__version__ = "3.9"
__maintainer__ = "Kevin Matz"
__email__ = "kevin@company235.com"

__status__ = "Prototype"

import configparser
from baconscript.comment import comment
from gpiozero import Button, GPIODeviceError
from signal import pause

# use mock pins when not working on Pi hardware
# from gpiozero.pins.mock import MockFactory
# from gpiozero import Device
# Device.pin_factory = MockFactory()

# empty button directory
_buttons = {}

# open config file
config = configparser.ConfigParser(allow_no_value=False)
config.read('buttons.cfg')
# set up each buttons
for b in config.get('button', 'names').split(','):
    try:
        # move to config section
        c = config[b]
        # read macro values
        closed = c.get('close', None)
        opened = c.get('open', None)
        # set up button on pin
        _buttons[b] = Button(c.getint("pin", None))
        # connect button callbacks to anonymous functions
        _buttons[b].when_pressed = lambda: comment(closed)
        _buttons[b].when_released = lambda: comment(opened)
    except (KeyError, GPIODeviceError) as e:
        print('Error configuring button', b, e)
        continue

if __name__ == '__main__':
    pause()