import {describe, expect, it} from 'vitest'
import {clampHours, clampMinutes, formatTime, padSegment, parseTime} from './timeFormat'

describe('timeFormat', () => {
  it('parse une chaîne HH:MM valide', () => {
    expect(parseTime('09:05')).toEqual({hours: 9, minutes: 5})
  })

  it('renvoie null pour vide ou invalide', () => {
    expect(parseTime('')).toBeNull()
    expect(parseTime(null)).toBeNull()
    expect(parseTime('abc')).toBeNull()
    expect(parseTime('12')).toBeNull()
  })

  it('clamp les valeurs hors bornes au parsing', () => {
    expect(parseTime('99:88')).toEqual({hours: 23, minutes: 59})
  })

  it('formate avec zéro-padding', () => {
    expect(formatTime(9, 5)).toBe('09:05')
    expect(formatTime(0, 0)).toBe('00:00')
  })

  it('clamp et pad les helpers', () => {
    expect(clampHours(30)).toBe(23)
    expect(clampHours(-2)).toBe(0)
    expect(clampMinutes(75)).toBe(59)
    expect(padSegment(7)).toBe('07')
  })
})