# frozen_string_literal: true

module Decidim
  module ParticipatoryProcesses
    module Admin
      # A command with all the business logic when creating a new participatory
      # process group in the system.
      class CreateParticipatoryProcessGroup < Decidim::Command
        # Public: Initializes the command.
        #
        # form - A form object with the params.
        def initialize(form)
          @form = form
        end

        # Executes the command. Broadcasts these events:
        #
        # - :ok when everything is valid.
        # - :invalid if the form was not valid and we could not proceed.
        #
        # Returns nothing.
        def call
          return broadcast(:invalid) if form.invalid?

          group = create_participatory_process_group

          if group.persisted?
            Decidim::ContentBlocksCreator.new(group).create_default!

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

        private

        attr_reader :form

        def create_participatory_process_group
          transaction do
            Decidim.traceability.perform_action!(
              "create",
              ParticipatoryProcessGroup,
              form.current_user
            ) do
              ParticipatoryProcessGroup.create(
                organization: form.current_organization,
                title: form.title,
                description: form.description,
                hashtag: form.hashtag,
                group_url: form.group_url,
                hero_image: form.hero_image, # Keep after organization
                participatory_processes:,
                developer_group: form.developer_group,
                local_area: form.local_area,
                meta_scope: form.meta_scope,
                participatory_scope: form.participatory_scope,
                participatory_structure: form.participatory_structure,
                target: form.target,
                promoted: form.promoted
              )
            end
          end
        end

        def participatory_processes
          Decidim::ParticipatoryProcess.where(id: form.participatory_process_ids)
        end
      end
    end
  end
end