import { describe, expect, it } from 'vitest';
import { calculateMetrics, formatDuration } from './sleep';

describe('sleep calculations', () => {
  it('calculates overnight time in bed, total sleep, and efficiency', () => {
    expect(calculateMetrics({
      bedtime: '23:40',
      riseTime: '07:10',
      sleepLatencyMinutes: 30,
      wasoMinutes: 40,
    })).toEqual({ timeInBedMinutes: 450, totalSleepMinutes: 380, efficiency: 84 });
  });

  it('formats a duration for the summary', () => {
    expect(formatDuration(380)).toBe('6 ч 20 мин');
    expect(formatDuration(5)).toBe('5 мин');
  });
});