"""TestTemplate model — predefined test catalog entries."""

import uuid
from datetime import datetime

from sqlalchemy import Column, String, Text, Boolean, DateTime, Index
from sqlalchemy.dialects.postgresql import UUID

from app.database import Base


class TestTemplate(Base):
    """
    Predefined test template mapped to a MITRE ATT&CK technique.

    Templates come from several sources:
      - **atomic_red_team**: Atomic Red Team by Red Canary
      - **mitre**: MITRE ATT&CK procedure examples
      - **custom**: Manually created by teams

    Users can instantiate a real Test from a template.
    """
    __tablename__ = "test_templates"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    mitre_technique_id = Column(String, nullable=False)          # e.g. "T1059.001"
    name = Column(String, nullable=False)
    description = Column(Text, nullable=True)
    source = Column(String, nullable=False)                      # atomic_red_team / mitre / custom
    source_url = Column(String, nullable=True)
    attack_procedure = Column(Text, nullable=True)               # Suggested attack procedure
    expected_detection = Column(Text, nullable=True)             # What blue team should detect
    platform = Column(String, nullable=True)                     # windows / linux / macos
    tool_suggested = Column(String, nullable=True)
    severity = Column(String, nullable=True)                     # low / medium / high / critical
    atomic_test_id = Column(String, nullable=True)               # ID in Atomic Red Team repo
    suggested_remediation = Column(Text, nullable=True)
    is_active = Column(Boolean, default=True)
    created_at = Column(DateTime, default=datetime.utcnow)

    __table_args__ = (
        Index('ix_test_templates_mitre_technique_id', 'mitre_technique_id'),
        Index('ix_test_templates_source', 'source'),
        Index('ix_test_templates_platform', 'platform'),
        Index('ix_test_templates_severity', 'severity'),
    )