defmodule Exexif.ReadError do
  @moduledoc """
  The error raised on any attempt to deal with incorrect files.
  """
  defexception [:type, :file, :message]

  @impl true
  def exception(type: type, file: file) do
    msg =
      case file do
        nil -> "Error reading EXIF data from buffer"
        _ -> "Error reading EXIF data from file [#{file}]"
      end

    %Exexif.ReadError{type: type, file: file, message: msg}
  end
end