# frozen_string_literal: true

module Decidim
  module Admin
    # A command with all the business logic when creating a new participatory
    # process in the system.
    class UpdateParticipatoryProcess < Rectify::Command
      # Public: Initializes the command.
      #
      # participatory_process - the ParticipatoryProcess to update
      # form - A form object with the params.
      def initialize(participatory_process, form)
        @participatory_process = participatory_process
        @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?
        update_participatory_process

        if @participatory_process.valid?
          broadcast(:ok, @participatory_process)
        else
          form.errors.add(:hero_image, @participatory_process.errors[:hero_image]) if @participatory_process.errors.include? :hero_image
          form.errors.add(:banner_image, @participatory_process.errors[:banner_image]) if @participatory_process.errors.include? :banner_image
          broadcast(:invalid)
        end
      end

      private

      attr_reader :form, :participatory_process

      def update_participatory_process
        @participatory_process.assign_attributes(attributes)
        @participatory_process.save! if @participatory_process.valid?
      end

      def attributes
        {
          title: form.title,
          subtitle: form.subtitle,
          slug: form.slug,
          hashtag: form.hashtag,
          hero_image: form.hero_image || participatory_process.hero_image,
          banner_image: form.banner_image || participatory_process.banner_image,
          promoted: form.promoted,
          description: form.description,
          short_description: form.short_description,
          scope: form.scope,
          developer_group: form.developer_group,
          local_area: form.local_area,
          target: form.target,
          participatory_scope: form.participatory_scope,
          participatory_structure: form.participatory_structure,
          meta_scope: form.meta_scope,
          end_date: form.end_date,
          participatory_process_group: form.participatory_process_group
        }
      end
    end
  end
end