#!/usr/bin/env python3

import gi, sys, os, threading, time, re
# import dbus
# import dbus.service, dbus.mainloop.glib
from pprint import pprint as print


gi.require_version('Gtk', '3.0')

from gi.repository import Gtk, Gdk, GLib, GdkPixbuf, GObject

from window import SonistWindow
from about_app import AboutWindow

from mpd import MPDClient

app_id = 'fun.wkit.sonist'
home_dir = os.getenv('HOME')


# 定义一个异步修饰器, 用于在子线程中运行一些会阻塞主线程的任务
def run_async(func):
  def wrapper(*args, **kwargs):
    thread = threading.Thread(target=func, args=args, kwargs=kwargs)
    thread.daemon = True
    thread.start()
    return thread
  return wrapper

# 类型js的settimeout的修饰器
def set_timeout(timeout = 0.5):
  def decorator(callback):
    def wrapper(*args):
      t = threading.Timer(timeout, callback, args=args)
      t.start()
      return t
    return wrapper
  
  return decorator



def get_music_dir():
  with open(f'{home_dir}/.mpd/mpd.conf', 'r') as f:
    data = f.read()

  matches = re.search('music_directory\s*"(.*)"', data).groups()
  if len(matches) > 0:
    return matches[0]
  
  return '/data/music'


class Application(Gtk.Application):

  def __init__(self):
    Gtk.Application.__init__(self, application_id = app_id)

    self.timer = None

    self.music_dir = get_music_dir()
    self.mpd = MPDClient()

    self.connect('window-removed', self.on_window_removed)




  @run_async
  def connect_mpd(self):
    
    self.mpd.start()

  def do_activate(self):
    print('hello mpc')
    self.set_app_menu(None)
    self.set_menubar(None)


    self.window = SonistWindow(self)
    self.about = AboutWindow()
    self.add_window(self.window)
    self.window.show_all()
    # self.about.show_all()

    self.connect_mpd()


  def on_window_removed(self, app, win):
    if len(self.get_windows()) == 0:
      if self.timer is not None:
        self.timer.cancel()
      self.mpd.destroy()
      print('朕要休息了~~~')



""" class ApplicationService(dbus.service.Object):
  def __init__(self, app):
    self.app = app
    bus_name = dbus.service.BusName(app_id, bus = dbus.SessionBus())
    dbus.service.Object.__init__(self, bus_name, '/')


  @dbus.service.method(app_id)
  def call_app(self):
    self.app.present()
 """

if __name__ == "__main__":
  # dbus.mainloop.glib.DBusGMainLoop(set_as_default = True)
  # bus = dbus.SessionBus()

  # try:
  #   obj = bus.get_object(app_id, '/')
  #   obj.call_app()
  #   sys.exit(0)
  # except dbus.DBusException:
  #   pass


  app = Application()

  # ApplicationService(app)
  app.run(sys.argv)