module Ecoportal
  module API
    class V2
      class Page
        class Component
          class ImagesField < Page::Component

            class << self
              def new_doc
                {
                  "layout" => "third"
                }
              end
            end

            passthrough :layout
            passboolean :strech, :no_popup, :hide_options
            embeds_many :images, klass: "Ecoportal::API::V2::Page::Image", order_key: :weight

            # Quick config helper
            # @param conf [Symbol, Array<Symbol>]
            #   - `:strech` to make the image fit the full size of the image field
            #   - `:popup` to set to enable disable poupup on `click`
            #   - `:layout_button` to offer layout options to user
            #   - `:layout` with the following available values
            #     - `:three_crop` to specify _3 across_ by cutting the image to equalize size
            #     - `:three` to specify _3 across_
            #     - `:two` to specify _2 across_
            #     - `:one` to specify _Full width (1 Across)_
            def configure(*conf)
              conf.each_with_object([]) do |cnf, unused|
                case cnf
                when :strech
                  self.strech = true
                when :popup
                  self.no_popup = false
                when :layout_button
                  self.hide_options = false
                when Hash
                  supported = [:layout_button, :layout]
                  unless (rest = hash_except(cnf.dup, *supported)).empty?
                    unused.push(rest)
                  end

                  if cnf.key?(:layout_button) then self.hide_options = !cnf[:layout_button] end
                  if cnf.key?(:layout) then configure_layour cnf[:layout] end
                else
                  unused.push(cnf)
                end
              end.yield_self do |unused|
                super(*unused)
              end
            end

            private

            def configure_layout(value)
              case value
              when :three
                self.layout = "third"
              when :two
                self.layout = "half"
              when :one
                self.layout = "fill"
              when :three_crop
                self.layout = "third_crop"
              else
                # Unsupported
              end
            end

          end
        end
      end
    end
  end
end

require 'ecoportal/api/v2/page/component/image'