class Avo::Fields::SelectField

def initialize(id, **args, &block)
  args[:placeholder] ||= I18n.t("avo.choose_an_option")
  super(id, **args, &block)
  @options_from_args = if args[:options].is_a? Hash
    ActiveSupport::HashWithIndifferentAccess.new args[:options]
  elsif args[:enum].present?
    args[:enum]
  else
    args[:options]
  end
  @enum = args[:enum]
  @display_value = args[:display_value] || false
end

def label
  # If options are array don't need any pre-process
  return value if options.is_a?(Array)
  # If options are enum and display_value is true we return the Value of that key-value pair, else return key of that key-value pair
  # WARNING: value here is the DB stored value and not the value of a key-value pair.
  if enum.present?
    return enum[value] if display_value
    return value
  end
  # When code arrive here it means options are Hash
  # If display_value is true we only need to return the value stored in DB
  display_value ? value : options.invert[value]
end

def options
  Avo::ExecutionContext.new(
    target: options_from_args,
    record: record,
    resource: resource,
    view: view,
    field: self
  ).handle
end

def options_for_select
  # If options are array don't need any pre-process
  return options if options.is_a?(Array)
  # If options are enum we invert the enum if display value, else (see next comment)
  if enum.present?
    return enum.invert if display_value
    # We need to use the label attribute as the option value because Rails casts it like that
    return enum.map { |label, value| [label, label] }.to_h
  end
  # When code arrive here it means options are Hash
  # If display_value is true we only need to return the values of the Hash
  display_value ? options.values : options
end