from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Text
from sqlalchemy.orm import relationship
from datetime import datetime, timezone

from app.core.database import Base


class Case(Base):
    __tablename__ = "cases"

    id = Column(Integer, primary_key=True, index=True)
    title = Column(String, nullable=False)
    description = Column(Text, nullable=True)
    status = Column(String, default="open", nullable=False)  # open, closed, investigating
    severity = Column(String, nullable=True)  # low, medium, high, critical
    tenant_id = Column(Integer, ForeignKey("tenants.id"), nullable=False)
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))
    updated_at = Column(DateTime, default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))

    # Relationships
    tenant = relationship("Tenant", back_populates="cases")
    artifacts = relationship("Artifact", back_populates="case")