/////////////////////////////////////////////////////////////
// Subsystem3.cpp - Part of Facade Skeleton Demo           //
//                                                         //
// Jim Fawcett, CSE776 - Design Patterns, Summer 2009      //
/////////////////////////////////////////////////////////////

#using <System.Xml.dll>
using namespace System;
using namespace System::Text;
using namespace System::Xml;

#include "Subsystem3.h"
#include <iostream>
#include <sstream>

//----< announce self >--------------------------------------

std::string Subsystem3::say(const std::string& msg)
{
  std::ostringstream out;
  out << "\n  Subsystem3:";
  out << "\n  " << msg.c_str();
  return out.str();
}
//----< convert from std::string to System::String >---------

String^ convert(const std::string& str)
{
  StringBuilder^ temp = gcnew StringBuilder();
  for(size_t i = 0; i<str.size(); ++i)
    temp->Append((wchar_t)str[i]);
  return temp->ToString();
}
//----< save output in xml file and send to console >--------

void Subsystem3::save(const std::string& msg)
{
  XmlDocument^ doc = gcnew XmlDocument();
  XmlNode^ Decl = doc->CreateXmlDeclaration("1.0", "Utf-8", "");
  doc->AppendChild(Decl);
  XmlElement^ Node = doc->CreateElement("output");
  String^ temp = convert(msg) + "\n  some very important output from Subsystem3";
  XmlNode^ text = 
    doc->CreateTextNode(temp);
  Node->AppendChild(text);
  doc->AppendChild(Node);
  doc->Save("Facade-Subsystem3.output.xml");
  String^ output = doc->ToString();
  Console::Write("\n  {0}\n\n",output);
}
//----< entry point >----------------------------------------

void main(int argc, char* argv[])
{
  Subsystem3 ss3;
  std::string temp;
  if(argc == 1)
    temp = "no message from Facade";
  else
    temp = argv[1];
  ss3.save(ss3.say(temp));
  Console::Write("\nPress key to quit: ");
  Console::ReadKey();
}