import logging
import os
from pyrogram import Client
from config import get_settings

logger = logging.getLogger(__name__)
settings = get_settings()

class TelegramClient:
    def __init__(self):
        self._ensure_session_directory()
        self.client = Client(
            name="pyro_bridge",
            api_id=settings["tg_api_id"],
            api_hash=settings["tg_api_hash"],
            workdir=settings["session_path"],
        )

    def _ensure_session_directory(self):
        try:
            os.makedirs(settings["session_path"], exist_ok=True)
            logger.debug(f'Session directory created/verified: {settings["session_path"]}')
        except Exception as e:
            logger.error(f'Failed to create session directory {settings["session_path"]}: {str(e)}')
            raise

    async def start(self):
        try:
            if not self.client.is_connected:
                await self.client.start()
                logger.info("Telegram client connected successfully")
        except Exception as e:
            logger.error(f"Failed to start Telegram client: {str(e)}")
            raise

    async def stop(self):
        if self.client.is_connected:
            await self.client.stop()
            logger.info("Telegram client disconnected")