# frozen_string_literal: true

module Decidim
  # Exposes the `Endorsements` so that users can endorse resources.
  class EndorsementsController < Decidim::Components::BaseController
    # we need to +include+ to be able to call :endorsement_button from the view
    include Decidim::EndorsableHelper
    helper_method :endorsement_button
    # we need to declare with +helper+ to be able to call :render_endorsement_identity from the views
    helper Decidim::EndorsableHelper
    helper_method :resource

    before_action :authenticate_user!

    def create
      enforce_permission_to(:create, :endorsement, resource:)
      user_group_id = params[:user_group_id]

      EndorseResource.call(resource, current_user, user_group_id) do
        on(:ok) do
          resource.reload
          render :update_buttons_and_counters
        end

        on(:invalid) do
          render json: { error: I18n.t("resource_endorsements.create.error", scope: "decidim") }, status: :unprocessable_entity
        end
      end
    end

    def destroy
      enforce_permission_to(:withdraw, :endorsement, resource:)
      user_group_id = params[:user_group_id]
      user_group = user_groups.find(user_group_id) if user_group_id

      UnendorseResource.call(resource, current_user, user_group) do
        on(:ok) do
          resource.reload
          render :update_buttons_and_counters
        end
      end
    end

    def identities
      enforce_permission_to(:create, :endorsement, resource:)

      @user_verified_groups = Decidim::UserGroups::ManageableUserGroups.for(current_user).verified
      render :identities, layout: false
    end

    # should be pubic in order to be visibe in NeedsPermission#permissions_context
    def current_component
      resource.component
    end

    private

    def user_groups
      Decidim::UserGroups::ManageableUserGroups.for(current_user).verified
    end

    def resource
      gid_param = params[:id] || params[:resource_id]
      @resource ||= GlobalID::Locator.locate(GlobalID.parse(gid_param))
    end

    def current_participatory_space
      current_component.participatory_space
    end
  end
end