// PatchITDlg.cpp : implementation file
//

#include "stdafx.h"
#include "PatchIT.h"
#include "PatchITDlg.h"
#include "FilePro.h"
#include "SpanFile.h"
#include "Insert.h"
#include "Delete.h"
#include "ProgDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

CPatchOperation OpList;
CPatchOperation *LastNode=&OpList;

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();
	
	// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA
	
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL
	
	// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPatchITDlg dialog

CPatchITDlg::CPatchITDlg(CWnd* pParent /*=NULL*/)
: CDialog(CPatchITDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPatchITDlg)
	// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CPatchITDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPatchITDlg)
	// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPatchITDlg, CDialog)
//{{AFX_MSG_MAP(CPatchITDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPatchITDlg message handlers

BOOL CPatchITDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	
	// Add "About..." menu item to system menu.
	
	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);
	
	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}
	
	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	Test();	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CPatchITDlg::Test()
{

	CProgressDlg pdlg;
	pdlg.Create(this);
	pdlg.ShowWindow(SW_SHOW);
	pdlg.SetRange(0,100);
	DWORD starttime,endtime;
	starttime=GetTickCount();
	
	CSpanFile file1,file2;
	
	//file1.Load("c:\\Test1.txt");
	//file2.Load("c:\\Test2.txt");
	//file1.MapFiles(file2,1);
	
	file1.Load("c:\\Temp\\DFLWNew.exe");
	file2.Load("c:\\Temp\\DFLWOrg.exe");
	file1.MapFiles(file2,1024);
	
	file1.BuildOps(file2,&OpList);
	CString str,report;
	report=file1.SpanReport(file2);

/*	
	CFilePro file1,file2;
	file1.Open("c:\\Temp\\propsOld.mw4",CFile::modeRead);
	file2.Open("c:\\Temp\\propsNew.mw4",CFile::modeRead);
	//file1.Open("c:\\Temp\\DFLWOrg.exe",CFile::modeRead);
	//file2.Open("c:\\Temp\\DFLWNew.exe",CFile::modeRead);
	//file1.Open("c:\\Test1.txt",CFile::modeRead);
	//file2.Open("c:\\Test2.txt",CFile::modeRead);
	DWORD diffat;
	
	DWORD dlgmax=file2.GetLength();
	
	bool insres,delres;
	DWORD inspos,delpos;
	DWORD insdist,deldist;
	DWORD f2pos;
	
	DWORD loc,size;
	
	do
	{
		
		diffat=file1.DifferAt(file2,&f2pos);
		insres=file2.SyncedAt(file1,&inspos,64);
		delres=file1.SyncedAt(file2,&delpos,64);
		insdist=inspos-file2.GetPosition();
		deldist=delpos-file1.GetPosition();

		pdlg.SetPos((file2.GetPosition()*100)/dlgmax);

		
			if((insres && delres && insdist<=deldist) || (insres&&(!delres)) )
			{
				//INsertion
				LastNode->Next=new CInsert(diffat,insdist);
				LastNode=LastNode->Next;
				file2.Seek(insdist,CFile::current);
			}
			else if((insres && delres && insdist>=deldist) || ((!insres)&&delres) )
			{	//Deletion
				LastNode->Next=new CDelete(diffat,deldist);
				LastNode=LastNode->Next;
				file1.Seek(deldist,CFile::current);
			}
			
	}
	while(insres || delres);

	//These must have their order retained
	//If These opertation are huge then this alg doesn't work.

	if((file1.GetLength()-file1.GetPosition())>0)
	{	// Extra Bytes at End Delete them
				LastNode->Next=new CDelete(file1.GetPosition(),file1.GetLength()-file1.GetPosition());
				LastNode=LastNode->Next;
				loc=file1.GetPosition();
				size=file1.GetLength()-file1.GetPosition();
				file1.Seek(deldist,CFile::current);
	}

	if((file2.GetLength()-file2.GetPosition())>0)
	{	// Extra Bytes at End Insert them
				LastNode->Next=new CInsert(file1.GetPosition(),file2.GetLength()-file2.GetPosition());
				LastNode=LastNode->Next;
				file1.Seek(deldist,CFile::current);
	}
*/
	endtime=GetTickCount();

	report="";
	str.Format("Operations: %i\n",OpList.OpCount());
	report+=str;
	str.Format("Deleted Bytes:  %i Bytes\n",OpList.DeletedBytes());
	report+=str;
	str.Format("Inserted Bytes: %i Bytes\n",OpList.InsertedBytes());
	report+=str;
	
	DWORD et,h,m,s;
	et=(endtime-starttime)/1000;
	s=et%60;
	et-=s; 
	et/=60;
	m=et%(60);
	et-=m;
	et/=60;
	h=et;

	str.Format("Time To Create %02i:%02i:%02i\n\n",h,m,s); 
	report+=str;
	report+="Operations:\n";

	LastNode=OpList.Next;
	while(LastNode)
	{
	report+=LastNode->GetOpText();
	LastNode=LastNode->Next;
	}

	/*
	FILE *fl;
	fl=fopen("c:\\Temp\\PatchRepB.txt","w");
	fprintf(fl,"%s",report);
	fclose(fl);
	exit(1);
	*/
}


void CPatchITDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CPatchITDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting
		
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
		
		// Center icon in client rectangle
		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;
		
		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CPatchITDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}