from telegram.ext import Updater, InlineQueryHandler, CommandHandler
import requests
import re

def get_dog_url():
    contents = requests.get('https://random.dog/woof.json').json()
    url = contents['url']
    return url

def get_cat_url():
    contents = requests.get("http://aws.random.cat/meow").json()
    url = contents["file"]
    return url

def get_image_url():
    allowed_extension = ['jpg','jpeg','png']
    file_extension = ''
    while file_extension not in allowed_extension:
        url = get_dog_url()
        file_extension = re.search("([^.]*)$",url).group(1).lower()
    return url

def bop(bot, update):
    url = get_image_url()
    chat_id = update.message.chat_id
    bot.send_photo(chat_id=chat_id, photo=url)
    print(chat_id)

def cat(bot, update):
    url = get_cat_url()
    chat_id = update.message.chat_id
    bot.send_photo(chat_id=chat_id, photo=url)


def main():
    updater = Updater('526631934:AAGBaf8bGl0jgV8xqCA0rixnjvKssxABlVA') #Telegram API Token
    dp = updater.dispatcher
    dp.add_handler(CommandHandler('start',bop))
    dp.add_handler(CommandHandler('dog',bop))
    dp.add_handler(CommandHandler("bop",bop))
    dp.add_handler(CommandHandler('cat',cat))
    updater.start_polling()
    updater.idle()

if __name__ == '__main__':
    main()