# frozen_string_literal: true

require "pakyow/support/core_refinements/array/ensurable"

module Pakyow
  module Presenter
    class Form < View
      using Support::Refinements::Array::Ensurable

      INPUT_TAG = "input"
      SELECT_TAG = "select"
      TEXTAREA_TAG = "textarea"

      FIELD_TAGS = [
        INPUT_TAG,
        SELECT_TAG,
        TEXTAREA_TAG
      ].freeze

      CHECKBOX_TYPE = "checkbox"
      RADIO_TYPE = "radio"

      CHECKED_TYPES = [
        CHECKBOX_TYPE, RADIO_TYPE
      ].freeze

      private

      def bind_value_to_node(value, node)
        super

        if node.tagname == SELECT_TAG
          select_option_with_value(value, View.from_object(node))
        end

        if CHECKED_TYPES.include?(node.attributes[:type])
          check_or_uncheck_value(value, View.from_object(node))
        end
      end

      def check_or_uncheck_value(value, view)
        if view.attributes[:type] == "checkbox"
          # There could be multiple values checked, so check for inclusion.
          #
          view.attributes[:checked] = Array.ensure(value).map(&:to_s).include?(view.attributes[:value])
        else
          view.attributes[:checked] = view.attributes[:value] == value.to_s
        end
      end

      def select_option_with_value(value, view)
        view.object.each_significant_node(:option) do |option|
          View.from_object(option).attributes[:selected] = option.attributes[:value] == value
        end
      end
    end
  end
end