# frozen_string_literal: true

module Assembly
  # If input image is not one of these mime types, it will not be regarded as a valid image
  # for the purpose of generating a JP2 derivative
  VALID_IMAGE_MIMETYPES = ['image/jpeg', 'image/tiff', 'image/tif', 'image/png'].freeze

  # The list of mimetypes that will be "trusted" by the unix file command; if a mimetype other than
  # one of these is returned by the file command, then a check will be made to see if exif data exists...
  # if so, the mimetype returned by the exif data will be used if no exif data exists, then the
  # mimetype returned by the unix file command will be used
  TRUSTED_MIMETYPES = ['text/plain', 'plain/text', 'application/pdf', 'text/html', 'application/xml',
                       'application/octet-stream'].freeze

  # This is a manual override mapping of file extension to mimetype; if a file with the given extension
  # is found, the mapped mimetype will be returned and no further methods will be used - this is used
  # to force a specific mimetype to be returned for a given file extension regardless of what exif or
  # the unix file system command returns the mapping format is "extension with period: returned mimetype",
  # e.g. for any .json file, you will always get `application/json`
  OVERRIDE_MIMETYPES = {
    '.json': 'application/json',
    '.vtt': 'text/vtt'
  }.freeze
end

require 'assembly/object_file'