"""Tests for shared LLM response-parsing logic."""

from __future__ import annotations

from physcom.llm.parsing import parse_metric_json, parse_verdict
from physcom.models.domain import MetricBound


def _bounds():
    return [
        MetricBound("power_density", weight=0.5, norm_min=1, norm_max=2000, unit="W/kg"),
        MetricBound("safety", weight=0.5, norm_min=0.0, norm_max=1.0, unit="0-1"),
    ]


def test_parse_metric_json_strips_fences():
    text = '```json\n{"power_density": 500.0, "safety": 0.7}\n```'
    result = parse_metric_json(text, _bounds())
    assert result == {"power_density": 500.0, "safety": 0.7}


def test_parse_metric_json_falls_back_to_range_midpoint_on_invalid():
    result = parse_metric_json("not json", _bounds())
    assert result == {"power_density": 1000.5, "safety": 0.5}


def test_parse_verdict_plausible():
    assert parse_verdict("blah blah\nVERDICT: PLAUSIBLE") is True


def test_parse_verdict_implausible():
    assert parse_verdict("blah blah\nVERDICT: IMPLAUSIBLE") is False