# frozen_string_literal: true

module Decidim
  module Admin
    # Controller that allows managing participatory processes.
    #
    class ParticipatoryProcessesController < Decidim::Admin::ApplicationController
      helper Decidim::OrganizationScopesHelper
      helper_method :current_participatory_process

      def index
        authorize! :index, Decidim::ParticipatoryProcess
        @participatory_processes = collection
      end

      def new
        authorize! :new, Decidim::ParticipatoryProcess
        @form = form(ParticipatoryProcessForm).instance
      end

      def create
        authorize! :new, Decidim::ParticipatoryProcess
        @form = form(ParticipatoryProcessForm).from_params(params)

        CreateParticipatoryProcess.call(@form) do
          on(:ok) do |participatory_process|
            flash[:notice] = I18n.t("participatory_processes.create.success", scope: "decidim.admin")
            redirect_to participatory_process_steps_path(participatory_process)
          end

          on(:invalid) do
            flash.now[:alert] = I18n.t("participatory_processes.create.error", scope: "decidim.admin")
            render :new
          end
        end
      end

      def edit
        authorize! :update, current_participatory_process
        @form = form(ParticipatoryProcessForm).from_model(current_participatory_process)
        render layout: "decidim/admin/participatory_process"
      end

      def update
        authorize! :update, current_participatory_process
        @form = form(ParticipatoryProcessForm).from_params(participatory_process_params)

        UpdateParticipatoryProcess.call(current_participatory_process, @form) do
          on(:ok) do |participatory_process|
            flash[:notice] = I18n.t("participatory_processes.update.success", scope: "decidim.admin")
            redirect_to edit_participatory_process_path(participatory_process)
          end

          on(:invalid) do
            flash.now[:alert] = I18n.t("participatory_processes.update.error", scope: "decidim.admin")
            render :edit, layout: "decidim/admin/participatory_process"
          end
        end
      end

      def show
        authorize! :read, current_participatory_process
      end

      def destroy
        authorize! :destroy, current_participatory_process
        current_participatory_process.destroy!

        flash[:notice] = I18n.t("participatory_processes.destroy.success", scope: "decidim.admin")

        redirect_to participatory_processes_path
      end

      def copy
        authorize! :create, Decidim::ParticipatoryProcess
      end

      def current_participatory_process
        @current_participatory_process ||= collection.find(params[:id]) if params[:id]
      end

      private

      def collection
        @collection ||= Decidim::ParticipatoryProcessesWithUserRole.for(current_user)
      end

      def participatory_process_params
        {
          id: params[:id],
          hero_image: current_participatory_process.hero_image,
          banner_image: current_participatory_process.banner_image
        }.merge(params[:participatory_process].to_unsafe_h)
      end
    end
  end
end