#!/usr/bin/env python

import Skype4Py
import time
import re

class SkypeBot(object):
  def __init__(self):
    self.skype = Skype4Py.Skype(Events=self)
    self.skype.FriendlyName = "Skype Bot"
    self.skype.Attach()
    
  def AttachmentStatus(self, status):
    if status == Skype4Py.apiAttachAvailable:
      self.skype.Attach()
    
  def MessageStatus(self, msg, status):
    if status == Skype4Py.cmsReceived:
      if msg.Chat.Type in (Skype4Py.chatTypeDialog, Skype4Py.chatTypeLegacyDialog):
        for regexp, target in self.commands.items():
          match = re.match(regexp, msg.Body, re.IGNORECASE)
          if match:
            msg.MarkAsSeen()
            reply = target(self, *match.groups())
            if reply:
              msg.Chat.SendMessage(reply)
            break

  def cmd_userstatus(self, status):
    if status:
      try:
        self.skype.ChangeUserStatus(status)
      except Skype4Py.SkypeError, e:
        return str(e)
    return 'Current status: %s' % self.skype.CurrentUserStatus

  def cmd_credit(self):
    return self.skype.CurrentUserProfile.BalanceToText

  commands = {
    "@userstatus *(.*)": cmd_userstatus,
    "@credit$": cmd_credit
  }

if __name__ == "__main__":
  bot = SkypeBot()
  
  while True:
    time.sleep(1.0)