#!/usr/bin/python3

from pydub import AudioSegment
from pydub.effects import normalize
from pygame.mixer import Sound


class Track:
    """
    Class containing data for a track like file path, raw data...
    """

    def __init__(self, path: str, cache: bool=False):
        self.path = path
        self.cached = cache

        (self.audio, self.sound, self.duration) = self.cache() if self.cached else (None, None, 0)

    def cache(self):
        audio = AudioSegment.from_mp3(self.path)
        audio = normalize(audio)

        wav = audio.export(format="wav")

        sound = Sound(wav)

        # return pygame.mixer.Sound object and track duration in milliseconds
        return audio, sound, len(audio)

    def remaining(self, position: int):
        remaining_audio = self.audio[position:]

        wav = remaining_audio.export(format="wav")

        sound = Sound(wav)

        return sound, len(remaining_audio)