from datetime import datetime

from sqlalchemy import Boolean, DateTime, Integer, String
from sqlalchemy.orm import Mapped, mapped_column
from sqlalchemy.sql import func

from app.core.database import Base


class User(Base):
    __tablename__ = "users"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
    username: Mapped[str] = mapped_column(String(64), unique=True, nullable=False, index=True)
    full_name: Mapped[str] = mapped_column(String(128), nullable=False, default="")
    email: Mapped[str | None] = mapped_column(String(128), nullable=True)
    department: Mapped[str | None] = mapped_column(String(64), nullable=True)
    role: Mapped[str | None] = mapped_column(String(64), nullable=True)
    pw_hash: Mapped[str | None] = mapped_column(String(256), nullable=True)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
    is_admin: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
    account_expires: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    last_login: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime, server_default=func.now(), nullable=False
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime, server_default=func.now(), onupdate=func.now(), nullable=False
    )