// ExecutableRunner.cpp : Defines the entry point for the console application.
//

#define UNICODE

#include "stdafx.h"
#include <windows.h>
#include <stdio.h>
#include <TCHAR.h>
#include <string>
#include <mbstring.h>
#include <shellapi.h>


#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>


using namespace std;

#define PATH_SIZE 512


// Headers
void RunExecutable(_TCHAR* path, _TCHAR* program);
bool IsDotNet2Installed();

int _tmain(int argc, _TCHAR* argv[])
{
    _TCHAR path[PATH_SIZE];

	// find the index of the last "\" or "/"

	int length = _tcsclen(argv[0]);
    int endOfPath = -1;

	for(int i = length-1; i > -1; i--)
	{
		if(argv[0][i] == _T('/') || argv[0][i] == _T('\\'))
		{
			endOfPath = i;
			argv[0][i] = _T('\0');
			break;
		}
	}

	// this can be called without the PATH_SIZE - why?  
	_tcscpy_s(path, PATH_SIZE, argv[0]);

	RunExecutable(path, _T("dotnetfx.exe"));

	return 0;
}

// Runs an executable.  The path should have enough room to append
// the program name at the end of it.  This may be changed in future
// versions, but for now, this is a small program, and this will work fine
void RunExecutable(_TCHAR* path, _TCHAR* program)
{
	_tcscat(path, _T("\\"));
	_tcscat(path, program);


	ShellExecute(NULL, _T("open"), path, _T(""), _T(""), SW_SHOW);
}

bool IsDotNet2Installed()
{
	struct _tstat buffer;
	_TCHAR* pathOfInterest = _T("%systemroot%\\Microsoft.NET\\Framework\\v2.0.50727");


	bool exists = _tstat ( "filename", &buffer );
	return exists;
}