from datetime import datetime

from sqlalchemy import BigInteger, Boolean, DateTime, String
from sqlalchemy.orm import Mapped, mapped_column

from .base import Base


class ManagedChat(Base):
    __tablename__ = "managed_chats"

    id: Mapped[int] = mapped_column(BigInteger, primary_key=True)  # Telegram chat_id
    title: Mapped[str] = mapped_column(String(255))
    username: Mapped[str | None] = mapped_column(String(255), nullable=True)
    chat_type: Mapped[str] = mapped_column(String(50))  # group, supergroup, channel
    invite_link: Mapped[str | None] = mapped_column(String(512), nullable=True)
    last_message_id: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
    added_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)