from __future__ import annotations
from datetime import datetime
from sqlalchemy import BigInteger, String, func, DateTime
from sqlalchemy.orm import Mapped, mapped_column
from app.db.session import Base

class User(Base):
    __tablename__ = "users"

    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    tg_user_id: Mapped[int] = mapped_column(unique=True, index=True)
    username: Mapped[str | None] = mapped_column(String(64))
    role: Mapped[str] = mapped_column(String(16), default="user")
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())

    def __repr__(self):
        return f"<User(id={self.id}, tg_user_id={self.tg_user_id}, username={self.username}, role={self.role}, created_at={self.created_at})>"