import uuid

from sqlalchemy import Boolean, ForeignKey, String, Text
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.database import Base


class MemoryEntry(Base):
    __tablename__ = "memory_entries"

    user_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
    )
    category: Mapped[str] = mapped_column(String(50), nullable=False)
    title: Mapped[str] = mapped_column(String(255), nullable=False)
    content: Mapped[str] = mapped_column(Text, nullable=False)
    source_document_id: Mapped[uuid.UUID | None] = mapped_column(
        UUID(as_uuid=True), ForeignKey("documents.id", ondelete="SET NULL"), nullable=True
    )
    importance: Mapped[str] = mapped_column(String(20), nullable=False, default="medium")
    is_active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)

    user: Mapped["User"] = relationship(back_populates="memory_entries")  # noqa: F821
    source_document: Mapped["Document | None"] = relationship()  # noqa: F821