require 'delegate'

module Oculus
  module Presenters
    class QueryPresenter < SimpleDelegator
      def formatted_start_time
        started_at.strftime("%Y-%m-%d %I:%M %p") if started_at
      end

      def formatted_finish_time
        finished_at.strftime("%Y-%m-%d %I:%M %p") if finished_at
      end

      def elapsed_time
        return "" unless started_at && finished_at

        seconds = (finished_at - started_at).round

        if seconds < 60
          "#{seconds} seconds"
        else
          minutes = (seconds / 60).floor
          seconds %= 60

          if minutes < 60
            "#{minutes} minutes #{seconds} seconds"
          else
            hours = (minutes / 60).floor
            minutes %= 60

            "#{hours} hours #{minutes} minutes"
          end
        end
      end

      def status
        if complete?
          if error
            "error"
          else
            "done"
          end
        else
          "loading"
        end
      end

      def description
        if name && name != ""
          name
        else
          query = self.query
          if query && query.length > 100
            "#{query[0..97]}..."
          else
            query
          end
        end
      end

      def named?
        !!name
      end
    end
  end
end