import dayjs from 'dayjs'

export function hasIntersection(arr1: string[], arr2: string[]) {
  const ret = arr2.some(item => arr1.includes(item))
  return ret
}

export function formatBytes(value: number | string): string {
  let bytes: number = 0
  if (typeof value === 'string')
    bytes = Number.parseFloat(value)
  else if (typeof value === 'number')
    bytes = value
  if (bytes < 0)
    return '-'
  else if (bytes < 1024)
    return `${bytes} B`
  else if (bytes < 1048576)
    return `${(bytes / 1024).toFixed(0)} KB`
  else if (bytes < 1073741824)
    return `${(bytes / 1048576).toFixed(1)} MB`
  else return `${(bytes / 1073741824).toFixed(2)} GB`
}

export function formatDate(date?: dayjs.ConfigType): string {
  return dayjs(date).format('YYYY-MM-DD HH:mm:ss')
}

export function timestampToTime(timestamp: number): string {
  const date = new Date(timestamp) // 时间戳为10位需*1000，时间戳为13位的话不需乘1000
  const Y = `${date.getFullYear()}-`
  const M = `${date.getMonth() + 1 < 10 ? `0${date.getMonth() + 1}` : date.getMonth() + 1}-`
  const D = `${date.getDate() < 10 ? `0${date.getDate()}` : date.getDate()} `
  const h = `${date.getHours() < 10 ? `0${date.getHours()}` : date.getHours()}:`
  const m = `${date.getMinutes() < 10 ? `0${date.getMinutes()}` : date.getMinutes()}:`
  const s = date.getSeconds() < 10 ? `0${date.getSeconds()}` : date.getSeconds()
  return Y + M + D + h + m + s
}

export function getFileExtension(filename: string) {
  return filename.slice(((filename.lastIndexOf('.') - 1) >>> 0) + 2)
}