/*
  *  MoMEMta: a modular implementation of the Matrix Element Method
  *  Copyright (C) 2016  Universite catholique de Louvain (UCL), Belgium
  *
  *  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/>.
  */
 
 #pragma once
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include <momemta/impl/InputTag_fwd.h>
 
 class ConfigurationReader;
 class ParameterSet;
 struct ExecutionPath;
 
 class Configuration {
     public:
         struct ModuleDecl {
             std::string name; 
             std::string type; 
             std::shared_ptr<ParameterSet> parameters; 
 
             ModuleDecl() = default;
             ModuleDecl(const ModuleDecl&);
             ModuleDecl(const ModuleDecl&&);
             ModuleDecl& operator=(ModuleDecl);
         };
 
         const std::vector<ModuleDecl>& getModules() const;
         const ParameterSet& getCubaConfiguration() const;
         const ParameterSet& getGlobalParameters() const;
         std::vector<InputTag> getIntegrands() const;
         std::vector<std::string> getInputs() const;
 
         std::vector<std::shared_ptr<ExecutionPath>> getPaths() const;
 
         size_t getNDimensions() const;
 
         Configuration(const Configuration&);
 
         Configuration(const Configuration&&);
 
         Configuration& operator=(Configuration);
 
     private:
         friend class ConfigurationReader;
         Configuration(): n_dimensions(0) {};
 
         Configuration freeze() const;
 
         std::vector<ModuleDecl> modules;
         std::shared_ptr<ParameterSet> global_parameters;
         std::shared_ptr<ParameterSet> cuba_configuration;
         std::vector<InputTag> integrands;
         std::vector<std::shared_ptr<ExecutionPath>> paths;
         std::vector<std::string> inputs;
         std::size_t n_dimensions;
 };