import json
import logging

from settings import TELEGRAM_API_TOKEN, TELEGRAM_CHAT_ID

logger = logging.getLogger(__name__)

TELEGRAM_API_URL = 'https://api.telegram.org/bot'

class Telegram:
  def __init__(self, aiosession):
    if TELEGRAM_API_TOKEN is None:
      raise Exception("TELEGRAM_API_TOKEN is required")
    
    self.aiosession = aiosession

  async def post(self, request, data):
    async with self.aiosession.post('{}{}/{}'.format(
      TELEGRAM_API_URL,
      TELEGRAM_API_TOKEN,
      request
    ), json=data) as response:
      if not response.ok:
        logger.error('{} {}'.format(request, response.status))
        raise Exception('{} {}'.format(request, response.status))
      
      return await response.json()
    
  async def message_send(self, text):
    data = {
      'chat_id': TELEGRAM_CHAT_ID,
      'text': text
    }

    return await self.post('sendMessage', data=data)