import sys
import time
from pprint import pprint
import telepot
import urllib.request
import time
from PIL import Image
import os

final_path = "photo/final.png"
taulu_im = Image.open("taulu.png")
url = "https://api.telegram.org/file/bot<token>/"
offset_id = 0
img_size = (640, 640)

taulu_im.thumbnail(img_size, Image.ANTIALIAS)

def handle(res):

	msg = res[-1]["message"]["text"]
	if not ("/taulu" in msg):
		return False

	taulu_res = res[-2]

	print("New activity!")
	chat_id = taulu_res["message"]["chat"]["id"]

	if res[-1]["message"]["chat"]["id"] != chat_id:
		print("Chat id clash!")
		return False

	taulu_user = taulu_res["message"]["from"]["id"]
	print("taulu: {}".format(taulu_res["message"]["from"]["first_name"]))
	photos = bot.getUserProfilePhotos(taulu_user)

	if photos["total_count"] == 0:
		bot.sendMessage(chat_id, "Vitun taulu, hommaa kuva!")
		return True

	print("pic count: {}".format(photos["total_count"]))

	pic = photos["photos"][0][-1]
	file_id = pic["file_id"]

	if not os.path.exists("photo/"):
	    os.makedirs("photo/")

	filepath = "photo/" + file_id + ".jpg"
	bot.downloadFile(file_id, filepath)
	time.sleep(2)

	im = Image.open(filepath)
	im.thumbnail(img_size, Image.ANTIALIAS)
	im.paste(taulu_im, (0, 0), taulu_im)
	im.save(final_path)

	time.sleep(2)
	f = open(final_path, "rb")
	print("Sending photo {} to chat {}...".format(final_path, chat_id))
	bot.sendPhoto(chat_id, f)

	return True

# Getting the token from command-line is better than embedding it in code,
# because tokens are supposed to be kept secret.
TOKEN = sys.argv[1]

bot = telepot.Bot(TOKEN)
print('Listening ...')

# Keep the program running.
while 1:
	time.sleep(10)
	res = bot.getUpdates(offset=offset_id)
	print("update count: {}".format(len(res)))
	print("offset_id: {}".format(offset_id))
	if len(res) > 4:
		offset_id = res[-4]["update_id"]

	if len(res) > 1:
		pprint(res)
		try:
			success = handle(res)
			if success:
				offset_id = res[-1]["update_id"]

		except Exception as e:
			print("Exception! Details: {}".format(e))