from sqlalchemy import Column, String, DateTime, Text, ForeignKey
from sqlalchemy.orm import relationship
from sqlalchemy import Enum as SqlEnum
from utils.utils import Base
from datetime import datetime
import uuid

class Dispute(Base):
    __tablename__ = "disputes"

    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    order_id = Column(String(36), ForeignKey("orders.id", ondelete="RESTRICT"), nullable=False, index=True)
    complainant_id = Column(String(36), ForeignKey("users.id", ondelete="RESTRICT"), nullable=False, index=True)
    respondent_id = Column(String(36), ForeignKey("users.id", ondelete="RESTRICT"), nullable=False, index=True)
    reason = Column(String(50), nullable=False)
    description = Column(Text, nullable=False)
    status = Column(String(50), nullable=False)
    resolution = Column(Text, nullable=True)
    resolved_by_id = Column(String(36), ForeignKey("users.id", ondelete="SET NULL"), nullable=True, index=True)
    resolved_at = Column(DateTime, nullable=True)
    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)

    order = relationship("Order", back_populates="dispute", foreign_keys=[order_id])
    complainant = relationship("User", back_populates="disputes_as_complainant", foreign_keys=[complainant_id])
    respondent = relationship("User", back_populates="disputes_as_respondent", foreign_keys=[respondent_id])
    resolved_by = relationship("User", back_populates="disputes_resolved", foreign_keys=[resolved_by_id])