"""library_categories 테이블 ORM — 자료실 분류 체계 독립 관리"""

from datetime import datetime

from sqlalchemy import BigInteger, Boolean, DateTime, Integer, Text
from sqlalchemy.orm import Mapped, mapped_column

from core.database import Base


class LibraryCategory(Base):
    __tablename__ = "library_categories"

    id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
    path: Mapped[str] = mapped_column(Text, unique=True, nullable=False)
    name: Mapped[str] = mapped_column(Text, nullable=False)
    parent_path: Mapped[str | None] = mapped_column(Text, nullable=True)
    depth: Mapped[int] = mapped_column(Integer, nullable=False, default=1)
    is_system: Mapped[bool] = mapped_column(Boolean, default=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=datetime.now
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=datetime.now, onupdate=datetime.now
    )