#--
# Ruby Whois
#
# An intelligent pure Ruby WHOIS client and parser.
#
# Copyright (c) 2009-2015 Simone Carletti <weppos@weppos.net>
#++


require_relative 'base'


module Whois
  class Parsers

    # Parser for the whois.nic.uk server.
    #
    # @note This parser is just a stub and provides only a few basic methods
    #   to check for domain availability and get domain status.
    #   Please consider to contribute implementing missing methods.
    #
    # @see http://www.nominet.org.uk/other/whois/detailedinstruct/
    #
    class WhoisNicUk < Base

      # == Values for Status
      #
      # @see http://www.nominet.org.uk/registrars/systems/data/regstatus/
      # @see http://www.nominet.org.uk/registrants/maintain/renew/status/
      #
      property_supported :status do
        if content_for_scanner =~ /\s+Registration status:\s+(.+?)\n/
          case $1.downcase
          when "registered until expiry date."
            :registered
          when "registration request being processed."
            :registered
          when "renewal request being processed."
            :registered
          when "no longer required"
            :registered
          when "no registration status listed."
            :reserved
          # NEWSTATUS redemption (https://github.com/weppos/whois/issues/5)
          when "renewal required."
            :registered
          else
            Whois.bug!(ParserError, "Unknown status `#{$1}'.")
          end
        elsif invalid?
          :invalid
        else
          :available
        end
      end

      property_supported :available? do
        !!(content_for_scanner =~ /This domain name has not been registered/)
      end

      property_supported :registered? do
        !available?
      end


      property_supported :created_on do
        if content_for_scanner =~ /\s+Registered on:\s+(.+)\n/
          parse_time($1)
        end
      end

      property_supported :updated_on do
        if content_for_scanner =~ /\s+Last updated:\s+(.+)\n/
          parse_time($1)
        end
      end

      property_supported :expires_on do
        if content_for_scanner =~ /\s+Expiry date:\s+(.+)\n/
          parse_time($1)
        end
      end


      # @see http://www.nic.uk/other/whois/instruct/
      property_supported :registrar do
        if content_for_scanner =~ /Registrar:\n((.+\n)+)\n/
          content = $1.strip
          id = name = org = url = nil

          if content =~ /Tag =/
            name, id = (content =~ /(.+) \[Tag = (.+)\]/) && [$1.strip, $2.strip]
            org, name = name.split(" t/a ")
            url = (content =~ /URL: (.+)/) && $1.strip
          elsif content =~ /This domain is registered directly with Nominet/
            name  = "Nominet"
            org   = "Nominet UK"
            url   = "http://www.nic.uk/"
          end

          Parser::Registrar.new(
            :id           => id,
            :name         => name || org,
            :organization => org,
            :url          => url
          )
        end
      end


      property_supported :registrant_contacts do
        if content_for_scanner =~ /Registrant's address:\n((.+\n)+)\n/
          lines = $1.split("\n").map(&:strip)
          address = lines[0..-5]
          city    = lines[-4]
          state   = lines[-3]
          zip     = lines[-2]
          country = lines[-1]

          Parser::Contact.new(
            :type => Parser::Contact::TYPE_REGISTRANT,
            :name => content_for_scanner[/Registrant:\n\s*(.+)\n/, 1],
            :address => address.join("\n"),
            :city => city,
            :state => state,
            :zip => zip,
            :country => country
          )
        end
      end


      property_supported :nameservers do
        if content_for_scanner =~ /Name servers:\n((.+\n)+)\n/
          $1.split("\n").reject { |value| value =~ /No name servers listed/ }.map do |line|
            name, ipv4, ipv6 = line.strip.split(/\s+/)
            Parser::Nameserver.new(:name => name, :ipv4 => ipv4, :ipv6 => ipv6)
          end
        end
      end


      # Checks whether the response has been throttled.
      #
      # @return [Boolean]
      #
      # @example
      #   The WHOIS query quota for 127.0.0.1 has been exceeded
      #   and will be replenished in 50 seconds.
      #
      def response_throttled?
        !!(content_for_scanner =~ /The WHOIS query quota for .+ has been exceeded/)
      end


      # NEWPROPERTY
      def valid?
        cached_properties_fetch(:valid?) do
          !invalid?
        end
      end

      # NEWPROPERTY
      def invalid?
        cached_properties_fetch(:invalid?) do
          !!(content_for_scanner =~ /This domain cannot be registered/)
        end
      end

      # NEWPROPERTY
      # def suspended?
      # end

    end

  end
end