import uuid
from datetime import datetime, timezone

from sqlalchemy import DateTime, ForeignKey, Text
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.dialects.postgresql.json import JSONB
from sqlalchemy.orm import Mapped, mapped_column

from ..database import Base


class ArticleEntity(Base):
    __tablename__ = "article"

    id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
    )
    article_type: Mapped[str] = mapped_column(Text, nullable=False)
    language: Mapped[str] = mapped_column(Text, nullable=False)
    target_complexity: Mapped[str] = mapped_column(Text, nullable=False)
    title: Mapped[str] = mapped_column(Text, nullable=False)
    text: Mapped[str] = mapped_column(Text, nullable=False)
    text_linguistic_data: Mapped[dict] = mapped_column(JSONB, nullable=True)
    audio_key: Mapped[str] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        nullable=False,
        default=lambda: datetime.now(timezone.utc),
    )
    published_at: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )
    deleted_at: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )


class ArticleOwnershipEntity(Base):
    __tablename__ = "article_ownership"

    id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
    )
    article_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey("article.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    ownership_role: Mapped[str] = mapped_column(Text, nullable=False)
    user_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        ForeignKey("users.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        nullable=False,
        default=lambda: datetime.now(timezone.utc),
    )
    deleted_at: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )