import { describe, expect, it } from 'vitest';
import { formatDuration } from '../../src/util/formatDuration';

describe('formatDuration', () => {
  it('should format seconds only', () => {
    expect(formatDuration(45)).toBe('45s');
    expect(formatDuration(0)).toBe('0s');
    expect(formatDuration(59)).toBe('59s');
  });

  it('should format minutes and seconds', () => {
    expect(formatDuration(60)).toBe('1m 0s');
    expect(formatDuration(65)).toBe('1m 5s');
    expect(formatDuration(119)).toBe('1m 59s');
    expect(formatDuration(600)).toBe('10m 0s');
  });

  it('should format hours, minutes, and seconds', () => {
    expect(formatDuration(3600)).toBe('1h 0m 0s');
    expect(formatDuration(3661)).toBe('1h 1m 1s');
    expect(formatDuration(7382)).toBe('2h 3m 2s');
  });

  it('should handle edge cases correctly', () => {
    // Test with decimal values - should round down
    expect(formatDuration(45.9)).toBe('45s');

    // Test with very large values
    expect(formatDuration(86400)).toBe('24h 0m 0s'); // 1 day
    expect(formatDuration(90061)).toBe('25h 1m 1s'); // 1 day, 1 hour, 1 minute, 1 second

    // Test with string numbers (TypeScript should handle this implicitly)
    expect(formatDuration(Number('120'))).toBe('2m 0s');
  });
});