import { pickAttachmentPreviewKind } from '../attachment_kind'

describe('pickAttachmentPreviewKind', () => {
  describe('with a usable MIME type', () => {
    it.each([
      ['image/png', 'image'],
      ['image/jpeg', 'image'],
      ['video/mp4', 'video'],
      ['video/quicktime', 'video'],
      ['application/pdf', 'file'],
      ['text/plain', 'file'],
      ['application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'file'],
      ['', 'file'],
      [undefined, 'file'],
    ])('classifies %p as %p', (input, expected) => {
      expect(pickAttachmentPreviewKind(input)).toBe(expected)
    })
  })

  // Document picker providers sometimes drop the MIME type. Without an
  // extension-based fallback, octet-stream-typed images and videos would
  // render as generic file tiles even though the bytes are decodable.
  describe('with an unhelpful MIME type', () => {
    it.each([
      ['application/octet-stream', 'IMG_1234.HEIC', 'image'],
      ['application/octet-stream', 'photo.jpg', 'image'],
      ['application/octet-stream', 'clip.mov', 'video'],
      ['application/octet-stream', 'movie.MP4', 'video'],
      ['application/octet-stream', 'spreadsheet.xlsx', 'file'],
      [undefined, 'photo.png', 'image'],
      ['application/octet-stream', undefined, 'file'],
      ['application/octet-stream', 'no_extension', 'file'],
    ])('with type %p and name %p classifies as %p', (type, name, expected) => {
      expect(pickAttachmentPreviewKind(type, name)).toBe(expected)
    })
  })
})