require_relative './task_exception'

module Builderator
  module Util
    ##
    # Exception raised if a safety limit is exceeded
    ##
    class LimitException < TaskException
      DEFAULT_LIMIT = 4

      attr_reader :resource_name
      attr_reader :resources

      def initialize(resource_name, task, resources)
        super(:limit, task, :yellow)

        @resource_name = resource_name
        @resources = resources
      end

      def count
        @resources.size
      end

      def limit
        Config.cleaner.limits[resource_name]
      end

      def message
        msg = "Safety limit exceeded for task `#{task}`: Count #{count} is "
        msg << "greater than the limit of #{limit} set in `cleaner.limits.#{resource_name}`. "
        msg << 'Please re-run this task with the --force flag if you are sure this is '\
        'the correct set of resources to delete.' unless Config.cleaner.force

        msg
      end
    end
  end
end