import uuid

from sqlalchemy import DateTime, String, func
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column


class Base(DeclarativeBase):
    pass


class Bookmark(Base):
    __tablename__ = "bookmarks"

    id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
    )
    title: Mapped[str] = mapped_column(String(500), nullable=False)
    link: Mapped[str] = mapped_column(String(2000), nullable=False)
    category: Mapped[str | None] = mapped_column(String(100), nullable=True)
    created_at = mapped_column(DateTime(timezone=True), server_default=func.now())