from datetime import datetime
from typing import Optional, Tuple
from telegram.ext import Updater, CommandHandler, CallbackContext
from telegram import Update, ParseMode
import os
import logging
from dotenv import load_dotenv
load_dotenv()


logging.basicConfig(level=logging.DEBUG,
                    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')


class Bot:
    def __init__(self, token, chat, forward_to=None):
        self.chat = chat
        self.forward_to = forward_to or []
        self.updater = Updater(token=token, use_context=True)
        self.dispatcher = self.updater.dispatcher
        for f in dir(self):
            if f.startswith("cmd_"):
                self.dispatcher.add_handler(
                    CommandHandler(f[4:], getattr(self, f)))

    def cmd_start(self, update: Update, context: CallbackContext):
        context.bot.send_message(chat_id=update.effective_chat.id,
                                 text=f'Hi! effective_chat.id={update.effective_chat.id}')

    def send_event(self, date: datetime, header: str, description: str, location: str, latlong: Optional[Tuple[float, float]] = None, is_new: bool = True):
        messages = []
        d = date.strftime("%Y-%m-%d %H:%M")
        text = f"""\
*{header}*
_{d}, {location}_
{description}
"""
        m = self.updater.bot.send_message(
            self.chat, text=text, parse_mode=ParseMode.MARKDOWN)
        messages.append(m)
        if latlong is not None:
            m = self.updater.bot.send_location(
                self.chat, latitude=latlong[0], longitude=latlong[1])
            messages.append(m)
        m = self.updater.bot.send_poll(
            self.chat,
            f'Wpadasz? ({header})',
            ['Będę', 'Nie będę', '🍆'],
            is_anonymous=False,
            allows_multiple_answers=False,
        )
        messages.append(m)

        for chat in self.forward_to:
            for msg in messages:
                msg.forward(chat)

    def cmd_test(self, update: Update, context: CallbackContext):
        context.bot.send_message(chat_id=self.chat, text="Test")
        self.send_event(datetime.now(), "Header",
                        "Description", "Szynowa 18", (51.060938, 17.057193))

    def cmd_location(self, update: Update, context: CallbackContext):
        print(type(update))
        context.bot.send_location(
            update.effective_chat.id,
            51,
            19
        )

    def run(self):
        self.updater.start_polling()


if __name__ == '__main__':
    b = Bot(
        token=os.environ['SZYNOWO_TOKEN'],
        chat=os.environ['SZYNOWO_CHAT'],
        forward_to=[s.strip() for s in os.environ.get(
            'SZYNOWO_FORWARD_TO', '').split(',')],
    )

    b.run()