/**
 * 订阅对象的接口定义（根据你的后端数据结构调整）
 */
interface SubscriptionItem {
  expire_time?: string | number | null
}

export interface ExpireInfo {
  text: string
  highlight: boolean
}

/**
 * 格式化订阅到期信息
 * @param sub 整个订阅对象 item
 */
export function formatExpireDate(sub?: SubscriptionItem | null): ExpireInfo {
  // 1. 处理对象不存在的情况
  if (!sub || !sub.expire_time) {
    return { text: '尚未购买套餐', highlight: true }
  }

  // 2. 解析日期（兼容 ISO 字符串和时间戳）
  const timestamp = sub.expire_time
  const isMs = typeof timestamp === 'number' && timestamp > 10000000000
  const expireDate = new Date(
    isMs ? timestamp : typeof timestamp === 'number' ? timestamp * 1000 : timestamp,
  )

  if (isNaN(expireDate.getTime())) {
    return { text: '套餐信息无效', highlight: false }
  }

  // 3. 提取日期组件
  const now = new Date()
  const isExpired = expireDate < now

  const y = expireDate.getFullYear()
  const m = String(expireDate.getMonth() + 1).padStart(2, '0')
  const d = String(expireDate.getDate()).padStart(2, '0')
  const dateStr = `${y}/${m}/${d}`

  // 4. 根据是否过期返回不同格式
  if (isExpired) {
    return {
      text: `已于 ${dateStr} 到期`,
      highlight: true,
    }
  }

  const hh = String(expireDate.getHours()).padStart(2, '0')
  const mm = String(expireDate.getMinutes()).padStart(2, '0')
  const ss = String(expireDate.getSeconds()).padStart(2, '0')

  return {
    text: `到期时间：${dateStr} ${hh}:${mm}:${ss}`,
    highlight: false,
  }
}