import { normalizeStatus, statusTone, statusLabel, PIPELINE_STATUSES } from './pipeline';

describe('pipeline', () => {
  test('normalizeStatus canonicalizes casing and synonyms', () => {
    expect(normalizeStatus('applied')).toBe('Applied');
    expect(normalizeStatus('  OFFER ')).toBe('Offer');
    expect(normalizeStatus('Interviewing')).toBe('Interview');
    expect(normalizeStatus('declined')).toBe('Rejected');
  });

  test('normalizeStatus preserves unknown as Other and empty as Applied', () => {
    expect(normalizeStatus('Take-home')).toBe('Other');
    expect(normalizeStatus('')).toBe('Applied');
    expect(normalizeStatus(null)).toBe('Applied');
  });

  test('statusTone maps stages to palette keys', () => {
    expect(statusTone('Offer')).toBe('success');
    expect(statusTone('Rejected')).toBe('error');
    expect(statusTone('Waiting')).toBe('warning');
    expect(statusTone('Ghosted')).toBe('warning');
    expect(statusTone('Interview')).toBe('info');
    expect(statusTone('Applied')).toBe('primary');
    expect(statusTone('Take-home')).toBe('default');
  });

  test('statusLabel localizes canonical and passes through custom', () => {
    const t = (key: string) => ({ statusApplied: 'Applied', statusOffer: 'Offer' } as Record<string, string>)[key] ?? key;
    expect(statusLabel(t, 'Applied')).toBe('Applied');
    expect(statusLabel(t, 'Interviewing')).toBe('statusInterview'); // maps to canonical key
    expect(statusLabel(t, 'Take-home assignment')).toBe('Take-home assignment');
  });

  test('canonical stage list is stable and ordered', () => {
    expect(PIPELINE_STATUSES).toEqual(['Applied', 'Waiting', 'Interview', 'Offer', 'Rejected', 'Ghosted']);
  });
});