/*!
  \file
  \brief Higher-level Objects - Participants
  \author Vaclav Smidl.

  -----------------------------------
  BDM++ - C++ library for Bayesian Decision Making under Uncertainty

  Using IT++ for numerical operations
  -----------------------------------
*/

#ifndef PARTICIPANTS_H
#define PARTICIPANTS_H


#include "bdmbase.h"
#include "../base/user_info.h"

namespace bdm {
/*!
* \brief Basic Participant

This object is an active unit with name and capability to store results

*/
class Participant : public root {
protected:
    //! name - ID of the participant
    string name;
public:
    //! Empty constructor
    Participant() {}
    //! set name
    void set_name(const string &name0) {
        name=name0;
    }
    //! Process data
    virtual void adapt(const vec &glob_dt) {}
    /*! create message -- use exclusively this function
    Writes the following structure into \c msg:
    \code
    to = A1;                      // recepients
    what = predictor;             // sort code
    data = message_body;          // data itself
    \endcode

    */
    void create_message(Setting &msg,const string &to, const string &what, const root &data) {
        Setting &m_to=msg.add("to",Setting::TypeString);
        m_to=to;
        Setting &m_what=msg.add("what",Setting::TypeString);
        m_what=what;
        //Setting &m_data=msg.add("data",Setting::TypeGroup);
        UI::save(&data, msg, "data");
    }
    /*! Broadcast communication to the others. Add message(s) to the provided queue.
    */
    virtual void broadcast(Setting& queue) {}
    //! Receive one message from the queue
    virtual void receive(const Setting& msg) {
        bdm_warning("unhandled message");
    }
    //! Design control strategy
    virtual void act(vec &glob_ut) {}
    //! Time step
    virtual void step() {}
    //! read only name
    void from_setting(const Setting& set) {
        UI::get(name,set,"name",UI::compulsory);
    }
    void to_setting(Setting& set) const {
        UI::save(name,set,"name");
    }
    //!access function
    const string &_name() {
        return name;
    }
    //! register data source where to get data
    virtual void ds_register(const DS &ds) { }

};

}; //namespace

#endif // PARTICIPANTS_H