// CheckMD5Dlg.cpp : ±¸Çö ÆÄÀÏ
//

#include "stdafx.h"
#include "CheckMD5.h"
#include "CheckMD5Dlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

extern "C"
{
#include "MD5/global.h"
#include "MD5/md5.h"
}

#include "NFFilePtr.h"
#include ".\checkmd5dlg.h"

// CCheckMD5Dlg ´ëÈ­ »óÀÚ



CCheckMD5Dlg::CCheckMD5Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCheckMD5Dlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCheckMD5Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_EDIT1, m_Output);
}

BEGIN_MESSAGE_MAP(CCheckMD5Dlg, CDialog)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_WM_DROPFILES()
END_MESSAGE_MAP()


// CCheckMD5Dlg ¸Þ½ÃÁö 󸮱â

BOOL CCheckMD5Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// ÀÌ ´ëÈ­ »óÀÚÀÇ ¾ÆÀÌÄÜÀ» ¼³Á¤ÇÕ´Ï´Ù. ÀÀ¿ë ÇÁ·Î±×·¥ÀÇ ÁÖ Ã¢ÀÌ ´ëÈ­ »óÀÚ°¡ ¾Æ´Ò °æ¿ì¿¡´Â
	// ÇÁ·¹ÀÓ¿öÅ©°¡ ÀÌ ÀÛ¾÷À» ÀÚµ¿À¸·Î ¼öÇàÇÕ´Ï´Ù.
	SetIcon(m_hIcon, TRUE);			// Å« ¾ÆÀÌÄÜÀ» ¼³Á¤ÇÕ´Ï´Ù.
	SetIcon(m_hIcon, FALSE);		// ÀÛÀº ¾ÆÀÌÄÜÀ» ¼³Á¤ÇÕ´Ï´Ù.

	// TODO: ¿©±â¿¡ Ãß°¡ ÃʱâÈ­ ÀÛ¾÷À» Ãß°¡ÇÕ´Ï´Ù.
	DragAcceptFiles(TRUE);
	
	return TRUE;  // ÄÁÆ®·Ñ¿¡ ´ëÇÑ Æ÷Ä¿½º¸¦ ¼³Á¤ÇÏÁö ¾ÊÀ» °æ¿ì TRUE¸¦ ¹ÝȯÇÕ´Ï´Ù.
}

// ´ëÈ­ »óÀÚ¿¡ ÃÖ¼ÒÈ­ ´ÜÃ߸¦ Ãß°¡ÇÒ °æ¿ì ¾ÆÀÌÄÜÀ» ±×¸®·Á¸é 
// ¾Æ·¡ Äڵ尡 ÇÊ¿äÇÕ´Ï´Ù. ¹®¼­/ºä ¸ðµ¨À» »ç¿ëÇÏ´Â MFC ÀÀ¿ë ÇÁ·Î±×·¥ÀÇ °æ¿ì¿¡´Â
// ÇÁ·¹ÀÓ¿öÅ©¿¡¼­ ÀÌ ÀÛ¾÷À» ÀÚµ¿À¸·Î ¼öÇàÇÕ´Ï´Ù.

void CCheckMD5Dlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // ±×¸®±â¸¦ À§ÇÑ µð¹ÙÀ̽º ÄÁÅؽºÆ®

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// Ŭ¶óÀ̾ðÆ® »ç°¢Çü¿¡¼­ ¾ÆÀÌÄÜÀ» °¡¿îµ¥¿¡ ¸ÂÃä´Ï´Ù.
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// ¾ÆÀÌÄÜÀ» ±×¸³´Ï´Ù.
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// »ç¿ëÀÚ°¡ ÃÖ¼ÒÈ­µÈ âÀ» ²ô´Â µ¿¾È¿¡ Ä¿¼­°¡ Ç¥½ÃµÇµµ·Ï ½Ã½ºÅÛ¿¡¼­
//  ÀÌ ÇÔ¼ö¸¦ È£ÃâÇÕ´Ï´Ù. 
HCURSOR CCheckMD5Dlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CCheckMD5Dlg::GetMD5(char* file, char* outMD5)
{
	///////////////////////////////////////////////////////////////////////////////
	// MD5¸¦ ±¸ÇÏ´Â ÇÔ¼ö
	// ÆÄÀÏÀ» ·ÎµåÇÑ´Ù.
	char* fileDat = NULL;
	long len;

	if(1)
	{
		Nave::NFFilePtr fp(file, "rb");

		len = fp.Length();
		fileDat = new char[len];

		fread(fileDat, len, 1, fp);
	}

	MD5_CTX context;
	unsigned char digest[16] ;
	memset( digest, 0, sizeof( char ) * 16 ) ;

	MD5Init(&context);
	MD5Update(&context, reinterpret_cast<unsigned char *>( fileDat ), len );
	MD5Final(digest, &context);

	char strMD5[40];
	ZeroMemory(strMD5, sizeof(strMD5));

	for (int i = 0; i < 16; ++i)
	{
		sprintf(strMD5 + i * 2, "%02x", digest[i]);
	}

	if(fileDat)
		delete fileDat;

	strcpy(outMD5, strMD5);
}

void CCheckMD5Dlg::CreateMD5(char* fileName)
{
	char strMD5[40];
	GetMD5(fileName, strMD5);

	m_Output.SetWindowText(strMD5);
}

void CCheckMD5Dlg::OnDropFiles(HDROP hDropInfo)
{
	// TODO: ¿©±â¿¡ ¸Þ½ÃÁö 󸮱â Äڵ带 Ãß°¡ ¹×/¶Ç´Â ±âº»°ªÀ» È£ÃâÇÕ´Ï´Ù.
	char buf[1024];
	int dropCount = ::DragQueryFile( hDropInfo, 0xFFFFFFFF, buf, 1024);

	::DragQueryFile(hDropInfo, 0, buf, 1024);

	CreateMD5(buf);

	::DragFinish(hDropInfo);

	CDialog::OnDropFiles(hDropInfo);
}