Garage door opener

from pybricks import ev3brick as brick
from pybricks.ev3devices import Motor
from pybricks.parameters import Port

import os
import sys
import time
import logging

from ev3dev2.sound import Sound
from ev3dev2.led import Leds

from agt import AlexaGadget

# set logger to display on both EV3 Brick and console
logging.basicConfig(level=logging.INFO, stream=sys.stdout, format='%(message)s')
logging.getLogger().addHandler(logging.StreamHandler(sys.stderr))
logger = logging.getLogger(__name__)


class MindstormsGadget(AlexaGadget):
    """
    An Mindstorms gadget that will react to the Alexa wake word.
    """

    def __init__(self):
        """
        Performs Alexa Gadget initialization routines and ev3dev resource allocation.
        """
        super().__init__()

        self.leds = Leds()
        self.sound = Sound()

    def on_connected(self, device_addr):
        """
        Gadget connected to the paired Echo device.
        :param device_addr: the address of the device we connected to
        """
        self.leds.set_color("LEFT", "GREEN")
        self.leds.set_color("RIGHT", "GREEN")
        logger.info("{} connected to Echo device".format(self.friendly_name))

    def on_disconnected(self, device_addr):
        """
        Gadget disconnected from the paired Echo device.
        :param device_addr: the address of the device we disconnected from
        """
        self.leds.set_color("LEFT", "BLACK")
        self.leds.set_color("RIGHT", "BLACK")
        logger.info("{} disconnected from Echo device".format(self.friendly_name))

    def on_alexa_gadget_statelistener_stateupdate(self, directive):
        """
        Listens for the wakeword state change and react by turning on the LED.
        :param directive: contains a payload with the updated state information from Alexa
        """
        color_list = ['BLACK', 'AMBER', 'YELLOW', 'GREEN']
        for state in directive.payload.states:
            if state.name == 'wakeword':

                if state.value == 'active':
                    print("Wake word active", file=sys.stderr)
                    self.sound.play_song((('A3', 'e'), ('C5', 'e')))
                    for i in range(0, 4, 1):
                        # Play a sound.
                        brick.sound.beep()
                        # Initialize a motor at port B.
                        test_motor = Motor(Port.A)
                        # Run the motor up to 500 degrees per second. To a target angle of 200 degrees.
                        test_motor.run_target(500, 200)
                        test_motor.run_target(500,  -200)

                        # Play another beep sound.
                        # This time with a higher pitch (1000 Hz) and longer duration (500 ms).
                        brick.sound.beep(1000, 500)

                elif state.value == 'cleared':
                    print("Wake word cleared", file=sys.stderr)
                    self.sound.play_song((('C5', 'e'), ('A3', 'e')))
                    for i in range(3, -1, -1):
                        self.leds.set_color("LEFT", color_list[i], (i * 0.25))
                        self.leds.set_color("RIGHT", color_list[i], (i * 0.25))
                        time.sleep(0.25)


if __name__ == '__main__':

    gadget = MindstormsGadget()

    # Set LCD font and turn off blinking LEDs
    os.system('setfont Lat7-Terminus12x6')
    gadget.leds.set_color("LEFT", "BLACK")
    gadget.leds.set_color("RIGHT", "BLACK")

    # Startup sequence
    gadget.sound.play_song((('C4', 'e'), ('D4', 'e'), ('E5', 'q')))
    gadget.leds.set_color("LEFT", "GREEN")
    gadget.leds.set_color("RIGHT", "GREEN")

    # Gadget main entry point
    gadget.main()

    # Shutdown sequence
    gadget.sound.play_song((('E5', 'e'), ('C4', 'e')))
    gadget.leds.set_color("LEFT", "BLACK")
    gadget.leds.set_color("RIGHT", "BLACK")