#!/usr/bin/env python3
import logging
import requests
from sensor import SoundSensor
from sender import SoundSender
from preprocessor import SoundPreProcessor
from .abcsignalprocessor import AbcSignalProcessor
import os

from birbnetes_iot_platform_raspberry import BirbnetesIoTPlatformStatusDriver

"""
Abstract base class for signalprocessor
"""

__author__ = "@tormakris"
__copyright__ = "Copyright 2020, Birbnetes Team"
__module_name__ = "soundsignalprocessor"
__version__text__ = "1"


class SoundSignalProcessor(AbcSignalProcessor):
    """
    SoundSignalProcessor class, responsible for handling the sound signal processor pipeline.
    """

    def __init__(self):
        """
        Create dependency objects.
        """
        self.soundsensor = SoundSensor()
        self.soundpreprocessor = SoundPreProcessor()
        self.soundsender = SoundSender()

    def processcurrentsignal(self):
        """
        Process a sound sample.
        :return:
        """
        soundsample_name = self.soundsensor.getvalue()

        try:
            sample_decision = self.soundpreprocessor.preprocesssignal(soundsample_name)
        except Exception as e:
            logging.exception(e)
            BirbnetesIoTPlatformStatusDriver.enqueue_pattern('red', [1, 1, 1])
            os.unlink(soundsample_name)
            return

        if sample_decision:
            BirbnetesIoTPlatformStatusDriver.enqueue_pattern('green', [1, 0, 1])

        try:
            self.soundsender.sendvalue(soundsample_name, sample_decision)
        except (ConnectionError, requests.HTTPError) as e:
            logging.exception(e)
            BirbnetesIoTPlatformStatusDriver.enqueue_pattern('red', [1, 0, 1, 0, 1])
            os.unlink(soundsample_name)
            return

        os.unlink(soundsample_name)