const { applyCatalogGrounding } = require('../../server/lib/scanGrounding');

describe('scan confidence honesty', () => {
  const catalogEntries = [
    {
      name: 'Rose',
      botanicalName: 'Rosa chinensis',
      description: 'Catalog rose entry.',
      careInfo: { waterIntervalDays: 4, light: 'Full sun', temp: '15-25C' },
    },
  ];

  const lowConfidenceAiResult = {
    name: 'Rose',
    botanicalName: 'Rosa chinensis',
    confidence: 0.55,
    description: 'Possibly a rose, image is ambiguous.',
    careInfo: { waterIntervalDays: 5, light: 'Full sun', temp: '15-25C' },
  };

  it('does not inflate a low AI confidence when a catalog match is found', () => {
    const { grounded, result } = applyCatalogGrounding(lowConfidenceAiResult, catalogEntries, 'en');

    expect(grounded).toBe(true);
    // Regression: this used to be forced up to at least 0.78, presenting an
    // uncertain model guess as a confident identification.
    expect(result.confidence).toBe(0.55);
  });

  it('keeps a high AI confidence unchanged', () => {
    const { result } = applyCatalogGrounding(
      { ...lowConfidenceAiResult, confidence: 0.9 },
      catalogEntries,
      'en',
    );

    expect(result.confidence).toBe(0.9);
  });

  it('clamps missing confidence to the neutral default without boosting it', () => {
    const { result } = applyCatalogGrounding(
      { ...lowConfidenceAiResult, confidence: undefined },
      catalogEntries,
      'en',
    );

    expect(result.confidence).toBe(0.6);
  });
});