class Avo::Fields::GravatarField

def initialize(id, **args, &block)
  args[:name] ||= "Avatar"
  super(id, **args, &block)
  hide_on [:edit, :new]
  @link_to_record = args[:link_to_record].present? ? args[:link_to_record] : false
  @rounded = args[:rounded].nil? ? true : args[:rounded]
  @size = args[:size].present? ? args[:size].to_i : 32
  @default = args[:default].present? ? ERB::Util.url_encode(args[:default]).to_s : ""
end

def md5
  return if value.blank?
  Digest::MD5.hexdigest(value.strip.downcase)
end

def to_image
  options = {
    default: "",
    size: 340
  }
  query = options.map { |key, value| "#{key}=#{value}" }.join("&")
  URI::HTTPS.build(host: "www.gravatar.com", path: "/avatar/#{md5}", query: query).to_s
end