#! /usr/bin/env python3

import audioInterface
import os
import yaml
import sys

from datetime import datetime
from gpiozero import Button
from signal import pause
from pydub import AudioSegment
from pydub.playback import play

try:
    with open("config.yaml") as f:
        config = yaml.load(f, Loader=yaml.FullLoader)
except FileNotFoundError as e:
    print(
        f"Could not find the config.yaml file. FileNotFoundError: {e}. Check config location and retry."
    )
    sys.exit(1)

hook = Button(config["hook_gpio"])


def off_hook() -> None:
    print("Phone off hook, ready to begin!")
    audio_interface = audioInterface.AudioInterface(config, hook)

    # playback voice message through speaker
    print("Playing voicemail message...")
    play(
        AudioSegment.from_wav(
            os.path.dirname(os.path.abspath(config["source_file"]))
            + "/sounds/voicemail.wav"
        )
        - config["playback_reduction"]
    )

    # start recording beep
    print("Playing beep...")
    play(
        AudioSegment.from_wav(
            os.path.dirname(os.path.abspath(config["source_file"])) + "/sounds/beep.wav"
        )
        - config["beep_reduction"]
    )

    # now, while phone is off the hook, record audio from the microphone
    print("recording")
    audio_interface.record()
    audio_interface.stop()
    output_file = (
        os.path.dirname(os.path.abspath(config["source_file"]))
        + "/recordings/"
        + f"{datetime.now().isoformat()}"
    )
    audio_interface.close(output_file + ".wav")
    print("Finished recording!")


def on_hook() -> None:
    print("Phone on hook.\nSleeping...")


def main():
    hook.when_pressed = off_hook
    hook.when_released = on_hook
    pause()


if __name__ == "__main__":
    main()