#
# Copyright (C) 2007 Mobio Networks, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

=begin
this provides advertising fetch for m_khoj  
=end
require 'uri'
require 'open-uri' 

module Rmobio
  module Ads
    module MKhoj
      @@default_ip="59.181.113.59"
      def get_ad(keywords,ad_client,request,kw_type="broad")
        getAd(keywords,ad_client,ip=request.remote_ip,request.request_uri,request.user_agent,request.env["HTTP_USERID"],kw_type="broad")
      end
      
      def getAd(keywords,adClient,ip=request.remote_ip,url=request.request_uri,useragent=request.user_agent,userid=request.env["HTTP_USERID"],kw_type="broad")
        getAdByPage(adClient,ip,url,useragent) # keywords have no effect in mKhoj 
      end
      
      def getAdByPage(adClient,ip=request.remote_ip,url=request.request_uri,useragent=request.user_agent)
        # mKhoj just detects your URL, so you don't really need an adClient variable for this particular network!
        # carrier="59.181.113.59" # only works with India carriers!!
        # TODO: find out how to give MKHOJ a userid for tracking!
        useragent="nokia6030" if useragent.size>30  # doesn't handle browser access well, tell it we're a Nokia 6030
        ip=@@default_ip if ip.index("70.90") # doesn't handle our accessing IP well
        adUrl = "http://www.mkhoj.com/view/Traffic/ShowAd.aspx?siteId=" + adClient +"&handset="+URI.escape(useragent)+"&carrier="+ip   
        # e.g. adUrl="http://www.mkhoj.com/view/Traffic/ShowAd.aspx?siteId=330ed28f-0de9-4c4f-b0a8-1f2118358c80&handset=nokia6030/&carrier=59.181.113.59"
        $log.info "Calling: " + adUrl
        begin
          @ad = open(adUrl).read   
          $log.info "Returned ad: " + @ad
        rescue
        end 
        @ad
      end
      
    end
  end
end