const {
  applyDefaultTaskTimes,
  distributeTaskTime,
  getCarpenterTaskWeight
} = require('../src/services/smartPackageDefaultsService');

describe('smartPackageDefaultsService', () => {
  test('distributes the package time exactly across carpenter tasks', () => {
    const result = distributeTaskTime([
      { name: 'Opmåling' },
      { name: 'Tilskæring' },
      { name: 'Montage' },
      { name: 'Slutkontrol' }
    ], 0.25, 'per_m2');

    expect(result.reduce((sum, task) => sum + task.hours, 0)).toBeCloseTo(0.25, 5);
    expect(result[2].hours).toBeGreaterThan(result[0].hours);
    expect(result[0].hours).toBeGreaterThan(result[3].hours);
    expect(result.every(task => task.timeUnit === 'per_sqm')).toBe(true);
  });

  test('keeps user-entered task times unchanged', () => {
    const tasks = [{ name: 'Montage', hours: 2 }, { name: 'Kontrol', hours: 1 }];
    expect(applyDefaultTaskTimes(tasks, 8, 'total')).toEqual(tasks);
  });

  test('weights main carpenter work above final control', () => {
    expect(getCarpenterTaskWeight({ name: 'Montage af taglægter' }))
      .toBeGreaterThan(getCarpenterTaskWeight({ name: 'Slutkontrol' }));
  });
});