SOTIF & ISO 26262 Integration

"""Combined functional safety + SOTIF hazard register."""
from dataclasses import dataclass
from enum import Enum

class HazardType(Enum):
    FUSA_ONLY  = "iso26262_only"         # malfunction only
    SOTIF_ONLY = "iso21448_only"          # insufficiency only
    BOTH       = "iso26262_and_iso21448"  # both apply

@dataclass
class CombinedHazard:
    hazard_id:    str
    description:  str
    hazard_type:  HazardType
    # ISO 26262 attributes (if applicable)
    asil:         str = "N/A"
    failure_mode: str = ""
    # ISO 21448 attributes (if applicable)
    tc_id:        str = ""
    insufficiency: str = ""
    acceptance_criterion: str = ""

AEB_COMBINED_HAZARDS = [
    CombinedHazard(
        hazard_id="H_001",
        description="AEB activates when no obstacle present",
        hazard_type=HazardType.BOTH,
        asil="ASIL-B",
        failure_mode="Radar ECU output corruption -> false target",
        tc_id="TC_003",
        insufficiency="Radar ghost target in certain metallic environments",
        acceptance_criterion="FP rate < 0.01/1000km"
    ),
]

for h in AEB_COMBINED_HAZARDS:
    print(f"[{h.hazard_id}] Type: {h.hazard_type.value}")
    if h.asil != "N/A":
        print(f"  FuSa: ASIL {h.asil} | {h.failure_mode}")
    if h.tc_id:
        print(f"  SOTIF: {h.tc_id} | {h.insufficiency}")