"""Минимальные модели для gost-воркера."""

from datetime import datetime

from sqlalchemy import JSON, Integer, String, Text, func
from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column


class Base(DeclarativeBase):
    pass


class Task(Base):
    __tablename__ = "tasks"
    id: Mapped[str] = mapped_column(String(36), primary_key=True)
    user_id: Mapped[int] = mapped_column(Integer)
    type: Mapped[str] = mapped_column(String(20))
    status: Mapped[str] = mapped_column(String(20))
    result: Mapped[dict | None] = mapped_column(JSON, nullable=True)
    error: Mapped[str | None] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(server_default=func.now())


class Document(Base):
    __tablename__ = "documents"
    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    source: Mapped[str] = mapped_column(String(50))
    ext_id: Mapped[str] = mapped_column(String(255))
    doi: Mapped[str | None] = mapped_column(String(255), nullable=True)
    title: Mapped[str] = mapped_column(Text)
    authors: Mapped[list] = mapped_column(JSON, default=list)
    year: Mapped[int | None] = mapped_column(nullable=True)
    lang: Mapped[str | None] = mapped_column(String(10), nullable=True)
    journal: Mapped[str | None] = mapped_column(Text, nullable=True)
    volume: Mapped[str | None] = mapped_column(String(50), nullable=True)
    issue: Mapped[str | None] = mapped_column(String(50), nullable=True)
    pages: Mapped[str | None] = mapped_column(String(50), nullable=True)
    abstract: Mapped[str | None] = mapped_column(Text, nullable=True)
    url: Mapped[str | None] = mapped_column(Text, nullable=True)