class Lookbook::PreviewMetadata

def display_options
  DataObject.new(tags(:display).map { [_1.key, _1.value] }.to_h)
end

def fetch(name, fallback)
  if has_tag?(name.to_s)
    tag_value(name)
  else
    fallback
  end
end

def initialize(code_object)
  @code_object = code_object
end

def method_missing(name, *args, &block)
  tag_value(name)
end

def notes
  code_object.docstring.to_s.strip
end

def notes? = notes.present?

def respond_to_missing?(name, include_private = false)
  has_tag?(name.to_s) || super
end

def status(default: nil)
  status_name = fetch(:status, default)
  Previews.statuses.find { _1.name == status_name.to_sym } if status_name
end

def tag(name = nil)
  tags(name).first
end

def tag_value(name)
  tag(name.to_s).value if has_tag?(name.to_s)
end

def tags(name = nil)
  code_object.tags(name.to_s)
end