# frozen_string_literal: true

module Decidim
  module Votings
    # A controller that holds the logic to show votings in a
    # public layout.
    class VotingsController < Decidim::Votings::ApplicationController
      layout "layouts/decidim/voting", only: :show

      include ParticipatorySpaceContext
      include NeedsVoting
      include FilterResource
      include Paginable
      include Decidim::Votings::Orderable

      helper_method :published_votings, :paginated_votings, :filter, :promoted_votings, :only_finished_votings?

      helper Decidim::FiltersHelper
      helper Decidim::OrdersHelper
      helper Decidim::SanitizeHelper
      helper Decidim::PaginateHelper
      helper Decidim::IconHelper
      helper Decidim::WidgetUrlsHelper
      helper Decidim::ResourceHelper

      def index
        raise ActionController::RoutingError, "Not Found" if published_votings.none?

        enforce_permission_to :read, :votings
        redirect_to voting_path(single) if single?
      end

      def show
        raise ActionController::RoutingError, "Not Found" unless current_voting

        enforce_permission_to :read, :voting, voting: current_voting
      end

      private

      def current_participatory_space_manifest
        @current_participatory_space_manifest ||= Decidim.find_participatory_space_manifest(:votings)
      end

      def published_votings
        @published_votings ||= Voting.where(organization: current_organization).published
      end

      def paginated_votings
        @paginated_votings ||= paginate(search.results.published)
        @paginated_votings = reorder(@paginated_votings)
      end

      def promoted_votings
        @promoted_votings ||= OrganizationPromotedVotings.new(current_organization)
      end

      def finished_votings
        @finished_votings ||= search_klass.new(search_params.merge(state: ["finished"])).results
      end

      def only_finished_votings?
        return if finished_votings.blank?

        published_votings.count == finished_votings.count
      end

      def search_klass
        VotingSearch
      end

      def default_filter_params
        {
          search_text: "",
          state: [""]
        }
      end

      def context_params
        {
          organization: current_organization,
          current_user: current_user
        }
      end

      # Public: Checks if the component has only one election resource.
      #
      # Returns Boolean.
      def single?
        published_votings.one?
      end

      def single
        published_votings.first if single?
      end
    end
  end
end