import enum
import uuid
from datetime import datetime

from sqlalchemy import DateTime, Enum, ForeignKey, Integer, Text, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.models.base import Base, generate_uuid


class FlagType(str, enum.Enum):
    approved = "approved"
    needs_revision = "needs_revision"
    comment = "comment"


class Feedback(Base):
    __tablename__ = "feedback"

    id: Mapped[uuid.UUID] = mapped_column(
        primary_key=True, default=generate_uuid
    )
    output_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("output_rows.id", ondelete="CASCADE"), nullable=False
    )
    user_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("users.id"), nullable=False
    )
    option_column: Mapped[int] = mapped_column(Integer, nullable=False)
    flag_type: Mapped[FlagType] = mapped_column(
        Enum(FlagType, name="flag_type", create_constraint=True),
        nullable=False,
    )
    comment: Mapped[str | None] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        nullable=False,
    )

    # Relationships
    output = relationship("OutputRow", back_populates="feedback")
    user = relationship("User", back_populates="feedback")