import { describe, it, expect } from 'vitest';
import { buildSessionsCsv, type SessionCsvRow } from '../src/lib/csv';

const row: SessionCsvRow = {
  id: 7,
  activityName: 'Frezen',
  userName: 'Jan',
  insoleType: 'Kurk',
  pairCount: 2,
  startTime: new Date('2026-06-17T08:00:00Z'),
  endTime: new Date('2026-06-17T08:01:30Z'),
  durationSeconds: 90,
  pausedSeconds: 0,
};

describe('buildSessionsCsv', () => {
  it('omits the Worker column by default (legacy header)', () => {
    const lines = buildSessionsCsv([row]).split('\n');
    expect(lines[0]).toBe(
      '"ID","Task","Insole Type","No. of Insoles","Date","Total Duration","Paused Duration","Start Time","End Time"',
    );
    expect(lines[1]).toContain('"Frezen"');
    expect(lines[1]).toContain('"00:01:30"');
    expect(lines[1]).not.toContain('"Jan"');
  });

  it('prepends a Worker column when includeWorker is true', () => {
    const lines = buildSessionsCsv([row], { includeWorker: true }).split('\n');
    expect(lines[0]).toBe(
      '"Worker","ID","Task","Insole Type","No. of Insoles","Date","Total Duration","Paused Duration","Start Time","End Time"',
    );
    expect(lines[1].startsWith('"Jan"')).toBe(true);
  });
});