import pygame
import time
import json
from mutagen.mp3 import MP3

class bapsicle():
  state = {
    "filename": "",
    "channel": -1,
    "playing": False,
    "pos": 0,
    "remaining": 0,
    "length": 0,
    "loop": False
  }

  def isPlaying(self):
    return bool(pygame.mixer.music.get_busy())

  def play(self):


    pygame.mixer.music.play(0)

  def pause(self):
    pygame.mixer.music.pause()

  def unpause(self):
    pygame.mixer.music.play(0, self.state["pos"])

  def stop(self):
    pygame.mixer.music.stop()

  def seek(self, pos):
    if self.isPlaying():
      pygame.mixer.music.play(0, pos)
    else:
      self.updateState(pos)

  def load(self, filename):
    if not self.isPlaying():
      self.state["filename"] = filename
      pygame.mixer.music.load(filename)
      if ".mp3" in filename:
        song = MP3(filename)
        self.state["length"] = song.info.length
      else:
        self.state["length"] = pygame.mixer.Sound(filename).get_length()/1000



  def updateState(self, pos = None):
    self.state["playing"] = self.isPlaying()
    if (pos):
      self.state["pos"] = pos
    else:
      self.state["pos"] = pygame.mixer.music.get_pos()/1000

    self.state["remaining"] = self.state["length"] - self.state["pos"]

  def getDetails(self):
    res = "RESP:DETAILS: " + json.dumps(self.state)
    return res


  def __init__(self, channel, in_q, out_q):

    self.state["channel"] = channel

    pygame.mixer.init()




    while True:
      time.sleep(0.01)
      incoming_msg = in_q.get()
      self.updateState()
      if (not incoming_msg):
        continue
      if (incoming_msg == 'PLAY'):
        self.play()
      if (incoming_msg == 'PAUSE'):
        self.pause()
      if (incoming_msg == 'UNPAUSE'):
        self.unpause()
      if (incoming_msg == 'STOP'):
        self.stop()
      if (incoming_msg.startswith("SEEK")):
        split = incoming_msg.split(":")
        self.seek(float(split[1]))
      if (incoming_msg.startswith("LOAD")):
        split = incoming_msg.split(":")
        self.load(split[1])

      if (incoming_msg == 'DETAILS'):
        out_q.put(self.getDetails())