import uuid
from sqlalchemy import Column, String, Text, Boolean, DateTime, ForeignKey, JSON
from sqlalchemy.sql import func
from sqlalchemy.orm import relationship
from app.core.database import Base


class AuditAlert(Base):
    __tablename__ = "pjctrl_audit_alerts"

    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    audit_log_id = Column(String(36), ForeignKey("pjctrl_audit_logs.id", ondelete="CASCADE"), nullable=False)
    alert_type = Column(String(50), nullable=False)
    recipients = Column(JSON, nullable=False)
    message = Column(Text, nullable=True)
    is_acknowledged = Column(Boolean, default=False, nullable=False)
    acknowledged_by = Column(String(36), ForeignKey("pjctrl_users.id", ondelete="SET NULL"), nullable=True)
    acknowledged_at = Column(DateTime, nullable=True)
    created_at = Column(DateTime, server_default=func.now(), nullable=False)

    # Relationships
    audit_log = relationship("AuditLog", back_populates="alerts")
    acknowledger = relationship("User", foreign_keys=[acknowledged_by])