"""Appeal model for Trust & Safety."""

from datetime import datetime
from typing import Optional

from sqlalchemy import (
    Column,
    Integer,
    Text,
    DateTime,
    ForeignKey,
)
from sqlalchemy.dialects.postgresql import ENUM
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
import enum

from app.database import Base


class AppealStatus(str, enum.Enum):
    PENDING = "pending"
    APPROVED = "approved"
    REJECTED = "rejected"


class Appeal(Base):
    __tablename__ = "appeals"

    id = Column(Integer, primary_key=True, autoincrement=True)
    moderation_action_id = Column(
        Integer, ForeignKey("moderation_actions.id", ondelete="CASCADE"), nullable=False
    )
    user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
    reason = Column(Text, nullable=False)
    status = Column(
        ENUM(AppelStatus, name="appeal_status", create_type=False),
        default=AppealStatus.PENDING,
    )
    reviewed_by = Column(Integer, ForeignKey("users.id", ondelete="SET NULL"), nullable=True)
    reviewed_at = Column(DateTime(timezone=True), nullable=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)

    # Relationships
    moderation_action = relationship("ModerationAction", back_populates="appeals")
    user = relationship("User", foreign_keys=[user_id])
    reviewer = relationship("User", foreign_keys=[reviewed_by])