/*****************************************************************/
/*    NAME: Michael Benjamin                                     */
/*    ORGN: Dept of Mechanical Eng / CSAIL, MIT Cambridge MA     */
/*    FILE: NodeMessage.cpp                                      */
/*    DATE: Jan 7th 2011                                         */
/*                                                               */
/* This file is part of MOOS-IvP                                 */
/*                                                               */
/* MOOS-IvP 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.      */
/*                                                               */
/* MOOS-IvP 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 MOOS-IvP.  If not, see                     */
/* <http://www.gnu.org/licenses/>.                               */
/*****************************************************************/

#include "NodeMessage.h"
#include "MBUtils.h"

using namespace std;

//------------------------------------------------------------
// Constructor

NodeMessage::NodeMessage()
{
  m_double_val       = 0; 
  m_double_val_set   = false;
}

//------------------------------------------------------------
// Procedure: setStringVal

void NodeMessage::setStringVal(const string& s)
{
  if(!isQuoted(s) && strContains(s, ','))
    m_string_val = "\"" + s + "\"";
  else
    m_string_val = s;
}


//------------------------------------------------------------
// Procedure: getSpec()

string NodeMessage::getSpec() const
{
  string str;
  if(m_src_node != "") {
    if(str != "")
      str += ",";
    str += "src_node=" + m_src_node;
  }
  if(m_dest_node != "") {
    if(str != "")
      str += ",";
    str += "dest_node=" + m_dest_node;
  }
  if(m_dest_group != "") {
    if(str != "")
      str += ",";
    str += "dest_group=" + m_dest_group;
  }
  if(m_var_name != "") {
    if(str != "")
      str += ",";
    str += "var_name=" + m_var_name;
  }
  if(m_double_val_set) {
    if(str != "")
      str += ",";
    str += "double_val=" + doubleToStringX(m_double_val,6);
  }

  if(m_string_val != "") {
    if(str != "")
      str += ",";

    if(!isQuoted(m_string_val) && strContains(m_string_val, ","))
      str += "string_val=\"" + m_string_val + "\",string_val_quoted=true";
    else
      str += "string_val=" + m_string_val;
  }
  
  return(str);
}

//---------------------------------------------------------------
// Procedure: valid
//      Note: Determines if all the required fields have been set

bool NodeMessage::valid() const
{
  if(m_src_node == "")
    return(false);

  if((m_dest_node == "") && (m_dest_group == ""))
    return(false);

  if(m_var_name == "")
    return(false);

  if((m_string_val != "") && m_double_val_set)
    return(false);

  return(true);
}


//---------------------------------------------------------------
// Procedure: getLength
//      Note: Length is max of:
//            - size of double (2)
//            - length of string contents (1 per char)

unsigned int NodeMessage::length() const
{
  unsigned int overall_msg_length = 2;
  
  unsigned int str_length = m_string_val.length();
  if(str_length > 2)
    overall_msg_length = str_length;

  return(overall_msg_length);
}