"""Phase 12: Risk Intelligence schemas."""

from datetime import datetime
from typing import Any, Dict, List, Optional
from uuid import UUID

from pydantic import BaseModel, ConfigDict

VALID_RISK_LEVELS = ["critical", "high", "medium", "low", "info"]


class TechniqueRiskProfileOut(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id:                 UUID
    technique_id:       UUID
    risk_score:         float
    likelihood:         float
    impact:             float
    risk_level:         str
    detection_gap:      float
    threat_actor_count: int
    osint_signal_count: int
    test_fail_count:    int
    test_total_count:   int
    test_failure_rate:  float
    confidence_level:   float
    scoring_breakdown:  Optional[Dict[str, Any]]
    recommendations:    Optional[List[str]]
    computed_at:        datetime
    is_stale:           bool


class RiskMatrixEntry(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    technique_id:  UUID
    technique_name: Optional[str] = None
    technique_tid:  Optional[str] = None   # e.g. "T1059"
    risk_score:    float
    likelihood:    float
    impact:        float
    risk_level:    str
    detection_gap: float
    computed_at:   datetime


class RiskSummary(BaseModel):
    total_techniques:   int
    scored_techniques:  int
    stale_count:        int
    by_level:           Dict[str, int]       # {"critical": 3, "high": 12, ...}
    avg_risk_score:     float
    top_risks:          List[RiskMatrixEntry]


class RecommendationItem(BaseModel):
    technique_id:   UUID
    technique_name: Optional[str] = None
    technique_tid:  Optional[str] = None
    risk_level:     str
    risk_score:     float
    recommendations: List[str]
    priority:       int   # 1 = highest


class ComputeResult(BaseModel):
    computed: int
    skipped:  int
    errors:   int
    duration_seconds: float