module Ddr
  module Antivirus
    module Adapters
      #
      # Default scan result implementation
      # 
      class ScanResult
        
        attr_reader :raw, :file_path, :scanned_at, :version
        
        def initialize(raw, file_path, opts={})
          @raw = raw
          @file_path = file_path
          @scanned_at = opts.fetch(:scanned_at, default_time)
          @version = opts.fetch(:version, default_version)
        end

        def default_time
          Time.now.utc
        end

        def default_version
          "ddr-antivirus #{Ddr::Antivirus::VERSION}"
        end

        # Subclasses may override to provide description of virus found.
        def virus_found; end

        # Subclasses should override
        def has_virus?
          !virus_found.nil?
        end

        # Subclasses may override to indicate an error condition (not necessarily an exception).
        def error?
          false
        end

        def ok?
          !(has_virus? || error?)
        end

        # Subclasses may override
        def to_s
          "#{raw} (#{version})"
        end

      end
    end
  end
end