import uuid

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

from app.database import Base


class GeneratedPdf(Base):
    __tablename__ = "generated_pdfs"

    user_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
    )
    title: Mapped[str] = mapped_column(String(255), nullable=False)
    storage_path: Mapped[str] = mapped_column(Text, nullable=False)
    source_document_ids: Mapped[list[uuid.UUID] | None] = mapped_column(ARRAY(UUID(as_uuid=True)), nullable=True)
    source_chat_id: Mapped[uuid.UUID | None] = mapped_column(
        UUID(as_uuid=True), ForeignKey("chats.id", ondelete="SET NULL"), nullable=True
    )

    user: Mapped["User"] = relationship(back_populates="generated_pdfs")  # noqa: F821