# frozen_string_literal: true

module Decidim
  module Admin
    # A command with all the business logic for updating the current
    # organization appearance.
    class UpdateOrganizationAppearance < Rectify::Command
      include ::Decidim::AttachmentAttributesMethods

      # Public: Initializes the command.
      #
      # organization - The Organization that will be updated.
      # form - A form object with the params.
      def initialize(organization, form)
        @organization = organization
        @form = form
      end

      # Executes the command. Broadcasts these events:
      #
      # - :ok when everything is valid.
      # - :invalid if the form wasn't valid and we couldn't proceed.
      #
      # Returns nothing.
      def call
        return broadcast(:invalid) if form.invalid?

        begin
          update_organization
          broadcast(:ok, organization)
        rescue ActiveRecord::RecordInvalid
          image_fields.each do |field|
            form.errors.add(field, organization.errors[field]) if organization.errors.include? field
          end
          broadcast(:invalid)
        end
      end

      private

      def image_fields
        [:logo, :highlighted_content_banner_image, :favicon, :official_img_header, :official_img_footer]
      end

      attr_reader :form, :organization

      def update_organization
        @organization = Decidim.traceability.update!(
          organization,
          form.current_user,
          attributes
        )
      end

      def attributes
        appearance_attributes
          .merge(attachment_attributes(*image_fields))
          .merge(highlighted_content_banner_attributes)
          .merge(omnipresent_banner_attributes)
          .merge(colors_attributes)
          .delete_if { |_k, val| val.is_a?(Decidim::ApplicationUploader) }
          .tap do |attributes|
            attributes[:header_snippets] = form.header_snippets if Decidim.enable_html_header_snippets
          end
      end

      def appearance_attributes
        {
          cta_button_path: form.cta_button_path,
          cta_button_text: form.cta_button_text,
          description: form.description,
          official_url: form.official_url
        }
      end

      def highlighted_content_banner_attributes
        {
          highlighted_content_banner_enabled: form.highlighted_content_banner_enabled,
          highlighted_content_banner_action_url: form.highlighted_content_banner_action_url,
          highlighted_content_banner_title: form.highlighted_content_banner_title,
          highlighted_content_banner_short_description: form.highlighted_content_banner_short_description,
          highlighted_content_banner_action_title: form.highlighted_content_banner_action_title,
          highlighted_content_banner_action_subtitle: form.highlighted_content_banner_action_subtitle
        }
      end

      def omnipresent_banner_attributes
        {
          enable_omnipresent_banner: form.enable_omnipresent_banner,
          omnipresent_banner_url: form.omnipresent_banner_url,
          omnipresent_banner_short_description: form.omnipresent_banner_short_description,
          omnipresent_banner_title: form.omnipresent_banner_title
        }
      end

      def colors_attributes
        {
          colors: {
            primary: form.primary_color,
            secondary: form.secondary_color,
            success: form.success_color,
            warning: form.warning_color,
            alert: form.alert_color,
            highlight: form.highlight_color,
            "highlight-alternative": form.highlight_alternative_color,
            theme: form.theme_color
          }
        }
      end
    end
  end
end