defmodule Ami.ProfileImageUploader do
  use Arc.Definition
  use Arc.Ecto.Definition

  @acl :public_read_write
  @versions [:original, :thumb, :small_thumb]

  def validate({file, _}) do
    ~w(.jpg .jpeg .gif .png) |> Enum.member?(Path.extname(file.file_name))
  end

  def transform(:thumb, _) do
    {:convert, "-strip -thumbnail 200x200^ -gravity center -extent 200x200 -format png", :png}
  end

  def transform(:small_thumb, _) do
    {:convert, "-strip -thumbnail 50x50^ -gravity center -extent 50x50 -format png", :png}
  end

  def filename(version, {file, _scope}) do
    file_name = Path.basename(file.file_name, Path.extname(file.file_name))
    "#{version}_#{file_name}"
  end

  def storage_dir(version, {_file, scope}) do
    "uploads/profiles/image/#{version}"
  end

  def defautl_url(_version, _scope) do
    "static/images/profiles/nav_profile_default.png"
  end
end