# frozen_string_literal: true

module Decidim
  module DecidimAwesome
    module Proposals
      module ApplicationHelperOverride
        extend ActiveSupport::Concern

        included do
          alias_method :decidim_text_editor_for_proposal_body, :text_editor_for_proposal_body
          alias_method :decidim_safe_content?, :safe_content?

          # replace safe content to consider all custom fields save (then embeded html will be rendered)
          def safe_content?
            awesome_proposal_custom_fields.present? || decidim_safe_content?
          end

          # replace normal method to draw the editor
          def text_editor_for_proposal_body(form)
            custom_fields = awesome_proposal_custom_fields

            return decidim_text_editor_for_proposal_body(form) if custom_fields.blank?

            render_proposal_custom_fields_override(custom_fields, form, :body)
          end

          # replace admin method to draw the editor (multi lang)
          def admin_editor_for_proposal_body(form)
            custom_fields = awesome_proposal_custom_fields

            return form.translated(:editor, :body, hashtaggable: true) if custom_fields.blank?

            locales = form.send(:locales)

            return render_proposal_custom_fields_override(custom_fields, form, "body_#{locales.first}", locales.first) if locales.length == 1

            tabs_id = form.send(:sanitize_tabs_selector, form.options[:tabs_id] || "#{form.object_name}-body-tabs")

            label_tabs = form.content_tag(:div, class: "label--tabs") do
              field_label = form.send(:label_i18n, "body", form.label_for("proposal_custom_fields"))

              language_selector = "".html_safe
              language_selector = form.create_language_selector(locales, tabs_id, "body") if form.options[:label] != false

              safe_join [field_label, language_selector]
            end

            tabs_content = form.content_tag(:div, class: "tabs-content", data: { tabs_content: tabs_id }) do
              locales.each_with_index.inject("".html_safe) do |string, (locale, index)|
                tab_content_id = "#{tabs_id}-body-panel-#{index}"
                string + content_tag(:div, class: form.send(:tab_element_class_for, "panel", index), id: tab_content_id) do
                  render_proposal_custom_fields_override(custom_fields, form, "body_#{locale}", locale)
                end
              end
            end

            safe_join [label_tabs, tabs_content]
          end

          def render_proposal_custom_fields_override(fields, form, name, locale = nil)
            custom_fields = Decidim::DecidimAwesome::CustomFields.new(fields)
            custom_fields.translate!

            body = if form_presenter.proposal.body.is_a?(Hash) && locale
                     form_presenter.body(extras: false, all_locales: true)[locale]
                   else
                     form_presenter.body(extras: false)
                   end

            custom_fields.apply_xml(body) if body.present?
            form.object.errors.add(name, custom_fields.errors) if custom_fields.errors
            render partial: "decidim/decidim_awesome/custom_fields/form_render", locals: { spec: custom_fields.to_json, form: form, name: name }
          end
        end
      end
    end
  end
end