#!/usr/bin/env python3

import ast, dbtools, html, io, logging, PIL.Image, setuptools, strings, telegram.ext, twitools, urllib.request, 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))

def twoExceptions(e, message):
 text = {
  32: strings.badToken,
  36: strings.selfSpam,
  64: strings.accountSuspended,
  88: strings.rateLimit,
  89: strings.badToken,
  99: strings.badToken,
  130: strings.overload,
  131: strings.twitterError,
  161: strings.followLimit,
  185: strings.tweetLimit,
  187: strings.dupTweet,
  205: strings.rateLimit,
  226: strings.automatedTweet,
  271: strings.selfMute,
  272: strings.notMuted,
  323: strings.multipleGIFs,
  326: strings.accountLocked,
  354: strings.longTweet
 }.get(e.api_code)

 message.reply_text(text or strings.twoFail)

def getTwo(message):
 try:
  return twitools.twoBotHelper(message.chat_id)
 except ValueError:
  noauth(message)
 except tweepy.error.TweepError as e:
  raise

def noauth(message):
 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(strings.fishThanks)

def getTweetID(tlid, cid):
 try:
  db = dbtools.dbHelper()
  db.executeQuery("SELECT tid FROM timelines WHERE nr = %i AND cid = %i;" % (int(tlid), int(cid)))
  return db.getNext()[0]
 except Exception:
  raise ValueError("No such tweet in timeline")

def explicitTweet(bot, update, args, reply = None):
 try:
  two = getTwo(update.message)

  if update.message.photo or update.message.video or update.message.sticker:
   fid = update.message.sticker.file_id if update.message.sticker else update.message.video.file_id if update.message.video else update.message.photo[-1].file_id
   path = bot.getFile(fid).file_path
   media = urllib.request.urlopen(path)
   mobj = io.BytesIO(media.read())

   filename = path.split("/")[-1]

   if filename.split(".")[-1].lower() == "webp":
    out = io.BytesIO()
    PIL.Image.open(mobj).convert('RGB').save(out, format="JPEG")
    filename = "%s.jpg" % filename.split(".")[0]

   else:
    out = mobj

   two.api.update_with_media(filename, update.message.caption, file=mobj)

  else:
   two.tweet(' '.join(args))

 except tweepy.error.TweepError as e:
  logging.exception("Meh.")
  twoExceptions(e, update.message)

 except:
  logging.exception("Meh.")

def reply(bot, update, args):
 try:
  reply = getTweetID(args[0], update.message.chat_id)
 except:
  update.message.reply_text(strings.cantfind % args[0])

 explicitTweet(bot, update, args[1:], reply)

def retweet(bot, update, args):
 for tweet in args:
  try:
   tid = getTweetID(tweet, update.message.chat_id)
   getTwo(update.message).api.retweet(tid)
  except ValueError:
   update.message.reply_text(strings.cantfind % tweet)
  except tweepy.error.TweepError as e:
   twoExceptions(e, update.message)

def like(bot, update, args):
 for tweet in args:
  try:
   tid = getTweetID(tweet, update.message.chat_id)
   getTwo(update.message).api.create_favorite(tid)
  except ValueError:
   update.message.reply_text(strings.cantfind % tweet)
  except tweepy.error.TweepError as e:
   twoExceptions(e, update.message)

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

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

 db = dbtools.dbHelper()
 db.executeQuery("DELETE FROM timelines WHERE cid = %i;" % int(update.message.chat_id))

 try:
  i = 1
  two = getTwo(update.message)

  for status in two.api.home_timeline(count=count):
   db.executeQuery("INSERT INTO timelines VALUES(%i, %i, %i);" % (update.message.chat_id, i, status.id))
   update.message.reply_text("Tweet %i:\n%s (@%s) at %s:\n%s" % (i, status.author.name, status.author.screen_name, status.created_at, html.unescape(status.text)))
   i += 1

 except tweepy.error.TweepError as e:
  twoExceptions(e, update.message)

 db.commit()

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

def unknown(bot, update):
 update.message.reply_text(strings.unknownCommand)

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

if __name__ == "__main__":
 updater = telegram.ext.Updater(token=setuptools.token())

 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("like", like, pass_args=True))
 updater.dispatcher.add_handler(telegram.ext.CommandHandler("reply", reply, pass_args=True))
 updater.dispatcher.add_handler(telegram.ext.CommandHandler("retweet", retweet, pass_args=True))
 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.photo, tweet))
 updater.dispatcher.add_handler(telegram.ext.MessageHandler(telegram.ext.Filters.sticker, tweet))
 updater.dispatcher.add_handler(telegram.ext.MessageHandler(telegram.ext.Filters.video, tweet))
 updater.dispatcher.add_handler(telegram.ext.MessageHandler(telegram.ext.Filters.command, unknown))

 updater.dispatcher.add_error_handler(log)

 updater.start_polling()
 updater.idle()