/**
 * 10-datetime: 日期格式化、时区
 */
import { describe, it, expect } from 'vitest'
import { localDateKey, fmtDateCN, fmtTime, tzValid } from '../../src/utils'

describe('10-datetime — 日期时间工具', () => {
  it('localDateKey 返回 YYYY-MM-DD 格式', () => {
    const d = new Date(2024, 0, 15) // Jan 15, 2024
    expect(localDateKey(d)).toBe('2024-01-15')
  })

  it('localDateKey() 无参数返回今天', () => {
    const key = localDateKey()
    expect(key).toMatch(/^\d{4}-\d{2}-\d{2}$/)
  })

  it('fmtDateCN 返回中文日期', () => {
    const d = new Date(2024, 6, 17) // Jul 17, 2024 (Wednesday)
    const result = fmtDateCN(d)
    expect(result).toContain('7月')
    expect(result).toContain('17日')
  })

  it('fmtTime 24小时制', () => {
    const d = new Date(2024, 0, 1, 14, 30)
    const result = fmtTime(d, true)
    expect(result).toBe('14:30')
  })

  it('fmtTime 12小时制', () => {
    const d = new Date(2024, 0, 1, 14, 30)
    const result = fmtTime(d, false)
    expect(result).toContain('下午')
    expect(result).toContain('2:30')
  })

  it('tzValid 验证时区', () => {
    expect(tzValid('Asia/Shanghai')).toBe(true)
    expect(tzValid('America/New_York')).toBe(true)
    expect(tzValid('')).toBe(false)
    expect(tzValid('local')).toBe(false)
    expect(tzValid('Invalid/Zone')).toBe(false)
  })
})