from typing import Optional, TYPE_CHECKING

from fastapi_users_db_sqlalchemy import SQLAlchemyBaseUserTable
from sqlalchemy import String, BigInteger, Integer
from sqlalchemy.orm import Mapped, mapped_column, relationship

from src.db.database import Base


class Users(SQLAlchemyBaseUserTable[int], Base):
    __tablename__ = "users"
    if TYPE_CHECKING:
        from src.models.tasks import Tasks

    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    name: Mapped[Optional[str]] = mapped_column(
        String(30), nullable=False, unique=True, index=True
    )
    email: Mapped[Optional[str]] = mapped_column(String(320), nullable=True)
    telegram_id: Mapped[Optional[int]] = mapped_column(BigInteger, nullable=True)
    avatar_path: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)

    tasks: Mapped[list["Tasks"]] = relationship(back_populates="user")