import {buildMetricInsights} from '../insights/metricInsights';
import type {StoredMeasurement} from '../storage/storageTypes';
import {makeProcessingResult} from './syntheticMeasurements';

const stored = (index: number, bpm: number, rmssd: number): StoredMeasurement => ({
  schemaVersion: 1,
  algorithmVersion: 'test',
  acquisition: {cameraPosition: 'front', torchUsed: false},
  id: `stored-${index}`,
  measuredAt: new Date(Date.UTC(2026, 6, index + 1, 8)).toISOString(),
  atRest: true,
  baselineEligible: true,
  cameraResult: makeProcessingResult({
    bpm: {...makeProcessingResult().bpm, bpm},
    prv: {...makeProcessingResult().prv, estimatedRmssdMs: rmssd},
  }),
  potentialStress: {
    index: null,
    status: 'baselineBuilding',
    confidence: 0,
    bpmContribution: null,
    prvContribution: null,
    signalQuality: 0.9,
    baselineMeasurementCount: 0,
    healthKitUsedForScore: false,
    limitations: [],
  },
  healthKitContext: null,
  selfReport: null,
});

describe('buildMetricInsights', () => {
  it('uses real historical measurements and creates personal ranges after five values', () => {
    const history = [
      stored(0, 70, 40),
      stored(1, 71, 41),
      stored(2, 69, 39),
      stored(3, 72, 42),
      stored(4, 70, 40),
    ];
    const insights = buildMetricInsights(history[4]!.cameraResult, history);
    const bpm = insights.find(insight => insight.key === 'bpm');
    const rmssd = insights.find(insight => insight.key === 'rmssd');

    expect(bpm?.trend).toHaveLength(5);
    expect(bpm?.referenceRange).not.toBeNull();
    expect(bpm?.status).toBe('Dans votre repère habituel');
    expect(rmssd?.trend.map(point => point.value)).toEqual([40, 41, 39, 42, 40]);
  });

  it('never publishes PRV insights when the current PRV is unreliable', () => {
    const current = makeProcessingResult({
      prv: {...makeProcessingResult().prv, reliable: false},
    });
    const insights = buildMetricInsights(current, []);

    expect(insights.find(insight => insight.key === 'bpm')?.value).toBe(72);
    expect(insights.find(insight => insight.key === 'rmssd')?.value).toBeNull();
    expect(insights.find(insight => insight.key === 'rmssd')?.status).toBe(
      'Signal insuffisant',
    );
  });
});