#!/usr/bin/env python3

import ast, dbtools, logging, setuptools, strings, telegram.ext, twitools, tweepy

logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', level=logging.INFO)
logger = logging.getLogger(__name__)

def log(bot, update, error):
 logger.warn("Error %s caused by '%s'" % (error, update))

updater = telegram.ext.Updater(token=setuptools.token())

def noauth(update):
 update.message.reply_text(strings.noauth)

def start(bot, update):
 update.message.reply_text(strings.start % (setuptools.botname(), setuptools.botname()))

def auth(bot, update):
 db = dbtools.dbHelper()
 cid = update.message.chat_id

 if not (db.ato(cid) or db.ase(cid)):
  auth = tweepy.OAuthHandler(setuptools.cke(), setuptools.cse())
  update.message.reply_text(strings.auth % auth.get_authorization_url())
  dbtools.dbHelper().storeToken(cid, auth.request_token)

 else:
  update.message.reply_text(strings.authimp)

def verify(bot, update, args): 
 db = dbtools.dbHelper()
 cid = update.message.chat_id

 if db.ato(cid) and not db.ase(cid):
  auth = tweepy.OAuthHandler(setuptools.cke(), setuptools.cse())
  auth.request_token = ast.literal_eval(db.ato(cid))

  try:
   auth.get_access_token(args[0])
   dbtools.dbHelper().storeUser(cid, auth.access_token, auth.access_token_secret)
   update.message.reply_text(strings.verify)

  except Exception as e:
   dbtools.dbHelper().deleteUser(update.message.chat_id)
   update.message.reply_text(strings.verifyfail)

 else:
  update.message.reply_text(strings.verifyimp)
  
def unauth(bot, update):
 dbtools.dbHelper().deleteUser(update.message.chat_id)
 update.message.reply_text(strings.unauth % setuptools.url())

def fish(bot, update):
 dbtools.dbHelper().addFish(update.message.chat_id)
 update.message.reply_text("Yummy! Thanks! :3")

def explicitTweet(bot, update, args):
 two = twitools.twoBotHelper(update.message.chat_id)
 two.tweet(' '.join(args))

def tweet(bot, update):
 try:
  if dbtools.dbHelper().getTStatus(update.message.chat_id):
   explicitTweet(bot, update, [update.message.text])
 except:
  noauth(update)

def timeline(bot, update, args = [10]):
 try:
  count = int(args[0])
 except:
  count = 10

 two = twitools.twoBotHelper(update.message.chat_id)

 for status in two.api.home_timeline(count=count):
  update.message.reply_text("%s (%s) at %s: %s" % (status.author.name, status.author.screen_name, status.created_at, status.text))

def toggleTweet(bot, update):
 try:
  update.message.reply_text(strings.toggleTweet % ("on" if dbtools.dbHelper().toggleTweet(update.message.chat_id) else "off"))
 except:
  noauth(update)

def unknown(bot, update):
 update.message.reply_text("Sorry, I didn't understand that command.")

def test(bot, update, args):
 print(args)
 unknown(bot, update)

updater.dispatcher.add_handler(telegram.ext.CommandHandler("auth", auth))
updater.dispatcher.add_handler(telegram.ext.CommandHandler("fish", fish))
updater.dispatcher.add_handler(telegram.ext.CommandHandler("help", start))
updater.dispatcher.add_handler(telegram.ext.CommandHandler("start", start))
updater.dispatcher.add_handler(telegram.ext.CommandHandler("test", test, pass_args=True))
updater.dispatcher.add_handler(telegram.ext.CommandHandler("timeline", timeline))
updater.dispatcher.add_handler(telegram.ext.CommandHandler("toggletweet", toggleTweet))
updater.dispatcher.add_handler(telegram.ext.CommandHandler("tweet", explicitTweet, pass_args=True))
updater.dispatcher.add_handler(telegram.ext.CommandHandler("unauth", unauth))
updater.dispatcher.add_handler(telegram.ext.CommandHandler("verify", verify, pass_args=True))

updater.dispatcher.add_handler(telegram.ext.MessageHandler(telegram.ext.Filters.text, tweet))
updater.dispatcher.add_handler(telegram.ext.MessageHandler(telegram.ext.Filters.command, unknown))

updater.dispatcher.add_error_handler(log)

updater.start_polling()
updater.idle()