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LOGGER.progname = File.expand_path(__FILE__)

module OpenTox
  module Algorithm 

    class Fminer 
      include Owl

      def initialize
        super
        self.uri = File.join(@@config[:services]["opentox-algorithm"],'fminer')
        self.title = "fminer"
        self.source = "http://github.com/amaunz/libfminer"
        self.parameters = {
          "Dataset URI" => { :scope => "mandatory", :value => "dataset_uri" },
          "Feature URI for dependent variable" => { :scope => "mandatory", :value => "feature_uri" }
        }
      end

      def self.create_feature_dataset(params)
				LOGGER.debug File.basename(__FILE__) + ": creating feature dataset"
        resource = RestClient::Resource.new(params[:feature_generation_uri], :user => @@users[:users].keys[0], :password => @@users[:users].values[0])
        resource.post :dataset_uri => params[:dataset_uri], :feature_uri => params[:feature_uri]
      end

			def self.uri
				File.join(@@config[:services]["opentox-algorithm"], "fminer")
			end
    end

    class Lazar 
      include Owl

			def initialize
				super
				self.uri = File.join(@@config[:services]["opentox-algorithm"],'lazar')
				self.title = "lazar"
				self.source = "http://github.com/helma/opentox-algorithm"
				self.parameters = {
					"Dataset URI" =>
						{ :scope => "mandatory", :value => "dataset_uri" },
					"Feature URI for dependent variable" =>
						{ :scope => "mandatory", :value => "feature_uri" },
					"Feature generation URI" =>
						{ :scope => "mandatory", :value => "feature_generation_uri" }
				}
			end
			
			def self.create_model(params)
				LOGGER.debug params
				LOGGER.debug File.basename(__FILE__) + ": creating model"
				#@uri = RestClient.post File.join(@@config[:services]["opentox-algorithm"], "lazar"), :dataset_uri => params[:dataset_uri], :feature_uri => params[:feature_uri], :feature_generation_uri => File.join(@@config[:services]["opentox-algorithm"], "fminer")
        resource = RestClient::Resource.new(File.join(@@config[:services]["opentox-algorithm"], "lazar"), :user => @@users[:users].keys[0], :password => @@users[:users].values[0])
        @uri = resource.post :dataset_uri => params[:dataset_uri], :feature_uri => params[:feature_uri], :feature_generation_uri => File.join(@@config[:services]["opentox-algorithm"], "fminer").chomp
			end

			def self.uri
				File.join(@@config[:services]["opentox-algorithm"], "lazar")
			end

    end

    class Similarity
      def self.weighted_tanimoto(fp_a,fp_b,p)
        common_features = fp_a & fp_b
        all_features = fp_a + fp_b
        common_p_sum = 0.0
        if common_features.size > 0
          common_features.each{|f| common_p_sum += p[f]}
          all_p_sum = 0.0
          all_features.each{|f| all_p_sum += p[f]}
          common_p_sum/all_p_sum
        else
          0.0
        end
      end
    end

  end
end