from django.core.management.base import BaseCommand, CommandError

from api.models import Profile
from api.messages import Telegram
from api.utils import get_tor_session
from decouple import config
import requests
import time

class Command(BaseCommand):

    help = "Polls telegram /getUpdates method"
    rest = 3  # seconds between consecutive polls  

    bot_token = config('TELEGRAM_TOKEN')
    updates_url = f'https://api.telegram.org/bot{bot_token}/getUpdates'

    session = get_tor_session()
    telegram = Telegram()
    def handle(self, *args, **options):
        """Infinite loop to check for telegram updates.
        If it finds a new user (/start), enables it's taker found
        notification and sends a 'Hey {username} {order_id}' message back"""
        
        offset = 0
        while True:
            time.sleep(self.rest)

            params = {'offset' : offset + 1 , 'timeout' : 5}
            response = self.session.get(self.updates_url, params=params).json()
            if len(list(response['result'])) == 0:
                continue
            for result in response['result']:

                try: # if there is no key message, skips this result.
                    text = result['message']['text']
                except:
                    continue
                
                splitted_text = text.split(' ')
                if splitted_text[0] == '/start':
                    token = splitted_text[-1]
                    try :
                        profile = Profile.objects.get(telegram_token=token)
                    except:
                        print(f'No profile with token {token}')
                        continue
                    profile.telegram_chat_id = result['message']['from']['id']
                    profile.telegram_lang_code = result['message']['from']['language_code']
                    self.telegram.welcome(profile.user)
                    profile.telegram_enabled = True
                    profile.save()

            offset = response['result'][-1]['update_id']