af83/chouette-core

# frozen_string_literal: true

module Control
  class PresenceCustomField < Control::Base
    module Options
      extend ActiveSupport::Concern

      included do
        option :target_model
        option :target_custom_field_id

        validates :target_model, :target_custom_field_id, :model_attribute, presence: true
        enumerize :target_model, in: %w[Line StopArea Company JourneyPattern VehicleJourney]

        delegate :collection_name, to: :model_attribute

        def model_attribute
          candidate_custom_fields.find_by(resource_type: target_model)
        end

        def candidate_custom_fields
          workgroup&.custom_fields || ::CustomField.none
        end
      end

      def custom_field
        return if workgroup.blank?

        workgroup.custom_fields.find_by(id: target_custom_field_id)
      end
    end
    include Options

    validate :custom_field_is_present_in_workgroup

    private

    def custom_field_is_present_in_workgroup
      errors.add(:target_custom_field_id, :invalid) unless custom_field
    end

    class Run < Control::Base::Run
      include Options

      def run
        return unless custom_field

        faulty_models.find_each do |model|
          attributes = {
            message_attributes: {
              name: model.try(:name) || model.id, custom_field: custom_field.code
            },
            criticity: criticity, source: model, message_key: :presence_custom_field
          }
          control_messages.create(attributes)
        end
      end

      def faulty_models
        models.where('custom_field_values ->> ? IS NULL', custom_field.code)
      end

      def model_collection
        @model_collection ||= target_model.underscore.pluralize.to_sym
      end

      def models
        @models ||= context.send(model_collection)
      end
    end
  end
end