extinctionrebellion/RebelsManager

module LocalGroups
  class CreateService < ServiceBase
    attr_reader :local_group

    def initialize
      @local_group = LocalGroup.new
      @report_errors = true
    end

    def run(params = {})
      context = {
        params: params
      }

      catch_error(context: context) do
        run!(params)
      end
    end

    def run!(params = {})
      @local_group.attributes = local_group_params(params)
      validate_email_format!
      @local_group.save!
      create_list_on_mailtrain
      create_list_fields_on_mailtrain
      subscribe_to_local_groups_list
      true
    end

    private

    def local_group_params(params)
      params
        .require(:local_group)
        .permit(
          :active,
          :email,
          :mailtrain_list_id,
          :name
        )
    end

    def create_list_on_mailtrain
      mailtrain_list_id = MailtrainService.instance.create_list(
        {
          "NAMESPACE": 1,
          "UNSUBSCRIPTION_MODE": 0,
          "NAME": @local_group.name,
          "DESCRIPTION": "Rebels Manager auto generated",
          "CONTACT_EMAIL": @local_group.email,
          "HOMEPAGE": "https://www.extinctionrebellion.be",
          "FIELDWIZARD": "full_name",
          "SEND_CONFIGURATION": 2,
          "PUBLIC_SUBSCRIBE": 0,
          "LISTUNSUBSCRIBE_DISABLED": 0
        }
      )
      @local_group.update_column(:mailtrain_list_id, mailtrain_list_id)
    end

    def create_list_fields_on_mailtrain
      return unless @local_group.mailtrain_list_id.present?
      Mailtrain::CreateListFieldsJob.perform_later(@local_group.mailtrain_list_id)
    end

    def subscribe_to_local_groups_list
      MailtrainService.instance.add_subscription(
        ENV['MAILTRAIN_LOCAL_GROUPS_LIST_ID'],
        {
          "EMAIL": @local_group.email,
          "MERGE_NAME": @local_group.name,
          "FORCE_SUBSCRIBE": "yes",
          "TIMEZONE": ENV['XR_BRANCH_TIMEZONE']
        }
      )
    end

    def validate_email_format!
      return unless local_group.email.present?
      if ValidatesEmailFormatOf::validate_email_format(local_group.email) == nil
        true # email is valid
      else
        raise PreconditionFailedError,
              "Please double check the provided email address."
      end
    end
  end
end