#!/usr/bin/env python3

import gi, sys, os, re, json

gi.require_version('Gtk', '3.0')
from gi.repository import Gtk

from utils import run_async

from window import SonistWindow
from about_app import AboutWindow
from preferences import PreferencesWindow
from mpd import MPDClient

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



def get_music_dir():
  mpd_config = f'{home_dir}/.mpd/mpd.conf'

  if os.path.isfile(mpd_config):
    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.music_dir = get_music_dir()
    self.album_cache_dir = f"{home_dir}/.cache/sonist/album"
    self.lyric_cache_dir = f"{home_dir}/.cache/sonist/lyric"
    self.config_dir = f"{home_dir}/.config/sonist"

    self.config_file = os.path.join(self.config_dir, 'config.json')

    os.makedirs(self.album_cache_dir, exist_ok = True)
    os.makedirs(self.lyric_cache_dir, exist_ok = True)
    os.makedirs(self.config_dir, exist_ok = True)


    self.config_data = {
      "host": '127.0.0.1',
      "port": 6600,
      "music_directory": self.music_dir
    }

    if os.path.isfile(self.config_file):
      with open(self.config_file, 'r') as f:
        buff = f.read()
        self.config_data = json.loads(buff)
    else:
      with open(self.config_file, 'w') as f:
        buff = json.dumps(self.config_data)
        f.write(buff)

    self.mpd = MPDClient(self.config_data['host'], self.config_data['port'])

    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.preferences = PreferencesWindow(self, self.mpd)
    self.add_window(self.window)
    self.window.show_all()

    self.connect_mpd()


  def on_window_removed(self, app, win):
    if len(self.get_windows()) == 0:
      self.mpd.destroy()
      print('朕要休息了~~~')


  def quit_all(self):
    self.remove_window(self.window)



if __name__ == "__main__":
  app = Application()
  app.run(sys.argv)