import uuid

from sqlalchemy import Boolean, Column, DateTime, Enum, String, Text
from sqlalchemy.dialects.postgresql import JSONB, UUID
from sqlalchemy.orm import relationship

from app.database import Base
from app.models.enums import TechniqueStatus


class Technique(Base):
    """
    MITRE ATT&CK Technique model.

    Represents an attack technique from the MITRE ATT&CK framework,
    including its coverage status and associated tests.
    """
    __tablename__ = "techniques"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    mitre_id = Column(String, unique=True, nullable=False)  # e.g., "T1059.001"
    name = Column(String, nullable=False)
    description = Column(Text, nullable=True)
    tactic = Column(String, nullable=True)
    platforms = Column(JSONB, nullable=True, default=[])
    mitre_version = Column(String, nullable=True)
    mitre_last_modified = Column(DateTime, nullable=True)
    is_subtechnique = Column(Boolean, default=False)
    parent_mitre_id = Column(String, nullable=True)
    status_global = Column(
        Enum(TechniqueStatus, name="techniquestatus"),
        default=TechniqueStatus.not_evaluated
    )
    review_required = Column(Boolean, default=False)
    last_review_date = Column(DateTime, nullable=True)

    # Relationships
    tests = relationship("Test", back_populates="technique")