const {
  findBestMaterialMatch,
  scoreCandidate
} = require('../src/services/smartPackageMaterialMatchService');

describe('smartPackageMaterialMatchService', () => {
  const catalog = [
    { id: 10, sku: 'TAG-001', name: 'Taglægte 38x73 mm C24', unit: 'lbm', price: 14.5 },
    { id: 11, sku: 'ISO-200', name: 'Mineraluld 200 mm', unit: 'm²', price: 135 },
    { id: 12, sku: 'TAG-002', name: 'Taglægte 25x50 mm', unit: 'lbm', price: 9.5 }
  ];

  test('prefers an exact master material SKU', () => {
    const match = findBestMaterialMatch({ name: 'Andet navn', itemCode: 'TAG-001' }, catalog);
    expect(match).toMatchObject({ status: 'matched_sku', score: 1 });
    expect(match.material.id).toBe(10);
  });

  test('matches a descriptive package line to the master material', () => {
    const match = findBestMaterialMatch({ name: 'Mineraluld 200mm', unit: 'm²' }, catalog, {
      minimumMargin: 0
    });
    expect(match.material.id).toBe(11);
    expect(match.status).toBe('matched_name');
  });

  test('scores a dimensionally matching name above a generic alternative', () => {
    const line = { name: 'Taglægte 38x73 mm', unit: 'lbm' };
    expect(scoreCandidate(line, catalog[0])).toBeGreaterThan(scoreCandidate(line, catalog[2]));
  });
});