from django.conf import settings
from telegram import (
    ForceReply,
    Update,
    ReplyParameters,
)
from telegram.ext import (
    Application,
    CommandHandler,
    MessageHandler,
    filters,
    CallbackContext,
)
from telegram.constants import ParseMode, ChatType

import logging

logger = logging.getLogger("root")


class TgBotApp:
    _app = None

    async def start(self, update: Update, context: CallbackContext):
        user = update.effective_user
        # logger.info(update)
        await update.message.reply_html(
            rf"Hi {user.mention_html()}!",
            # reply_markup=ForceReply(selective=True),
            reply_parameters=ReplyParameters(message_id=update.message.message_id),
        )

    async def set_webhook(self, url):
        if not self._app:
            logger.error("no app")
            return
        app = self._app
        await app.bot.set_webhook(url, allowed_updates=Update.ALL_TYPES)

    async def init_tg(self):
        self._app = (
            Application.builder()
            .token(settings.TGBOT["token"])
            .concurrent_updates(True)
            .updater(None)
            .build()
        )
        self._app.add_handler(CommandHandler("start", self.start))
        self._app.add_handler(MessageHandler(filters.ChatType.PRIVATE, self.start))

        logger.info(
            {
                "app": self._app,
                "bot": self._app.bot,
                "handlers": self._app.handlers,
            }
        )
        await self._app.initialize()
        await self._app.start()
        return self._app