"""Uncertainty estimates."""

from __future__ import annotations

from app.common.types import PolyGuardState


def estimate_uncertainty(state: PolyGuardState) -> float:
    missing = 0
    total = 3
    if state.patient.labs.egfr is None:
        missing += 1
    if state.patient.labs.ast is None:
        missing += 1
    if state.patient.labs.alt is None:
        missing += 1
    base = missing / total
    conflict_penalty = min(0.3, 0.1 * len(state.unresolved_conflicts))
    return max(0.0, min(1.0, base + conflict_penalty))