from datetime import datetime
from typing import Optional

from sqlalchemy import Column, Enum, ForeignKey, Integer, String, Text, DateTime
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func

from app.database import Base


class ModerationAction(Base):
    __tablename__ = "moderation_actions"

    id = Column(Integer, primary_key=True)
    moderator_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    target_user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    target_type = Column(
        Enum("user", "world", "asset", "chat_message", name="target_type_enum"),
        nullable=False,
    )
    target_id = Column(String(64), nullable=False)
    action = Column(
        Enum("warn", "suspend", "ban", "restrict", "remove", "restore", name="action_enum"),
        nullable=False,
    )
    reason = Column(Text, nullable=True)
    report_id = Column(Integer, ForeignKey("reports.id"), nullable=True)
    expires_at = Column(DateTime(timezone=True), nullable=True)
    revoked_at = Column(DateTime(timezone=True), nullable=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())

    # Relationships
    moderator = relationship("User", foreign_keys=[moderator_id])
    target_user = relationship("User", foreign_keys=[target_user_id])
    report = relationship("Report", back_populates="moderation_actions")