/////////////////////////////////////////////////////////////
// Subsystem2.cpp - Part of Facade Skeleton Demo           //
//                                                         //
// Jim Fawcett, CSE776 - Design Patterns, Summer 2009      //
/////////////////////////////////////////////////////////////

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

#include "Subsystem2.h"
#include <iostream>

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

String^ Subsystem2::say(String^ msg)
{
  System::Windows::Forms::MessageBox::Show(msg, "Subsystem2");
  return msg;
}
//----< save output in xml file and send to console >--------

void Subsystem2::save(String^ msg)
{
  XmlDocument^ doc = gcnew XmlDocument();
  XmlNode^ Decl = doc->CreateXmlDeclaration("1.0", "Utf-16", "");
  doc->AppendChild(Decl);
  XmlElement^ Node = doc->CreateElement("output");
  String^ temp = msg + "\n  some very important output from Subsystem2";
  XmlNode^ text = 
    doc->CreateTextNode(temp);
  Node->AppendChild(text);
  doc->AppendChild(Node);
  doc->Save("Facade-Subsystem2.output.xml");
  String^ output = doc->ToString();
  Console::Write("\n  {0}\n\n",output);
}
//----< convert std::string to System::String >--------------

String^ ConvertString(const std::string& str)
{
  std::wstring wstr;
  for(size_t i=0; i<str.size(); ++i)
    wstr += (wchar_t)str[i];
  return gcnew String(wstr.c_str());
}
//----< entry point >----------------------------------------

void main(int argc, char* argv[])
{
  Subsystem2 ss2;
  std::string temp;
  if(argc == 1)
    temp = "no message from Facade";
  else
    temp = argv[1];
  ss2.save(ss2.say(ConvertString(temp)));
  Console::Write("\nPress key to quit: ");
  Console::ReadKey();
}