from datetime import datetime

from sqlalchemy import DateTime, SmallInteger, String, func
from sqlalchemy.orm import Mapped, mapped_column

from app.database import Base


class Admin(Base):
    __tablename__ = "admins"

    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    username: Mapped[str] = mapped_column(String(50), unique=True, nullable=False)
    password_hash: Mapped[str] = mapped_column(String(128), nullable=False)
    role: Mapped[int] = mapped_column(SmallInteger, default=1, nullable=False)
    is_active: Mapped[int] = mapped_column(SmallInteger, default=1, nullable=False)
    last_login: Mapped[datetime | None] = mapped_column(DateTime)
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), nullable=False)