module Ecoportal
  module API
    class V2
      class S3
        class Files
          class Poll < Common::Content::DoubleModel
            passthrough :poll_url
            embeds_one :status, nullable: true, klass: "Ecoportal::API::V2::S3::Files::PollStatus"

            def poll_id
              return @poll_id       if instance_variable_defined?(:@poll_id)
              return @poll_id = nil unless (uri = parsed_poll_url)

              @poll_id = uri.path.split('/poll/').last
            end
            alias_method :id, :poll_id

            # The final File eP container id
            def container_id
              return unless status?

              status.container_id
            end

            def status?
              !doc['status'].nil?
            end

            def status=(value)
              case value
              when NilClass
                doc["status"] = nil
              when Ecoportal::API::V2::S3::Files::PollStatus
                doc["status"] = JSON.parse(value.to_json)
              when Hash
                doc["status"] = value
              else
                # TODO
                raise "Invalid set on status: Need nil, PollStatus or Hash; got #{value.class}"
              end

              remove_instance_variable("@status") if defined?(@status)
            end

            def pending?
              !complete?
            end

            def complete?
              status&.complete?
            end

            def success?
              status&.success?
            end

            def failed?
              status&.failed?
            end

            def timeout?
              status&.timeout?
            end

            private

            def parsed_poll_url
              return nil unless poll_url

              require 'uri'
              URI.parse(poll_url)
            end

            def callbacks
              @callbacks ||= []
            end
          end
        end
      end
    end
  end
end