const contentTypeMap: any = {
  jpg: 'image',
  jpeg: 'image',
  svg: 'image',
  png: 'image',
  pdf: 'pdf',
  doc: 'word',
  docx: 'word',
  xls: 'excel',
  xlsx: 'excel',
  cvs: 'excel',
  ppt: 'ppt',
  pptx: 'ppt'
}

export function getFileType (name = ''): 'pdf' | 'image' | 'word' | 'excel' | 'ppt' | 'other' {
  const isUrl = name.startsWith('http://') || name.startsWith('https://')
  let filename = name
  if (isUrl) {
    const url = new URL(name)
    const path = url.pathname
    filename = path
  }
  const suffix = (filename.substr(filename.lastIndexOf('.') + 1) || '').toLowerCase()
  return contentTypeMap[suffix] || 'unknown'
}

export function previewPdf (url: string) {
  // window.open(url)
  window.open(`https://officeapps.honjo168.com/op/view.aspx?src=${encodeURIComponent(url)}`)
}

export function previewOffice (url: string) {
  // http://view.officeapps.live.com/op/view.aspx 官方
  window.open(`https://officeapps.honjo168.com/op/view.aspx?src=${encodeURIComponent(url)}`)
}

export function download (name: string, url: string) {
  const link = document.createElement('a')
  link.style.display = 'none'
  link.href = url
  link.setAttribute('download', name)
  link.setAttribute('target', '_blank')
  document.body.appendChild(link)
  link.click()
  document.body.removeChild(link)
}