// Okno.cpp : implementation file
//

#include "stdafx.h"
#include "lab4.h"
#include "Okno.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

static UINT NEAR WM_LAB4 = RegisterWindowMessage("WM_SYSTOPER_LAB4");

// CAboutDlg dialog used  for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
	DECLARE_MESSAGE_MAP()
};

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

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

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// COkno dialog

HANDLE skrzynkaPoczt;

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

void COkno::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_EKRAN, m_ekran);
	DDX_Control(pDX, IDC_LISTA, m_lista);
	DDX_Control(pDX, IDC_ODSWIEZ, m_odswiez);
}

BEGIN_MESSAGE_MAP(COkno, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_WM_TIMER()
	ON_REGISTERED_MESSAGE(WM_LAB4,OnWiadomosc)
	ON_BN_CLICKED(IDC_ODSWIEZ, OnBnClickedOdswiez)
	ON_BN_CLICKED(IDC_WYSLIJ, OnBnClickedWyslij)
	ON_BN_CLICKED(IDC_ZALICZAMY, OnBnClickedZaliczamy)
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_KONIEC, OnBnClickedKoniec)
END_MESSAGE_MAP()


// COkno message handlers

BOOL COkno::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

	// Add extra initialization here

	srand((unsigned)time(0));
	SetTimer(1,500,0);

	//TODO: Utworzenie skrzynki pocztowej i jej rejestracja potokiem nazwanym
	skrzynkaPoczt = CreateMailslot("\\\\.\\mailslot\\skrzynka",0,MAILSLOT_WAIT_FOREVER,NULL);
	DWORD odp_dl;
	char* wys = (char*)malloc(1024);
	char* odp = (char*)malloc(1024);

	CallNamedPipe("\\\\.\\pipe\\sysonp", wys, strlen(wys)+1, odp, 1024, &odp_dl, 4000);
	free(wys);
	free(odp);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void COkno::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 COkno::OnPaint()
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<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 function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR COkno::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void COkno::OnTimer(UINT nIDEvent)
{
	//TODO: Sprawdzenie czy jest nowa wiadomosc w skrzynce
	DWORD pLiczbaWiad;
	GetMailslotInfo(skrzynkaPoczt,NULL,NULL,&pLiczbaWiad,NULL);
	if(pLiczbaWiad>0)
	{
		CFile file(skrzynkaPoczt);
		char* blok = (char*)malloc(1024);
		file.Read(blok,1024);
		CString napis;
		m_ekran.GetWindowText(napis);
		m_ekran.SetWindowText(_T("\r\n\r\n") + napis + blok);
		free(blok);

	}
	CDialog::OnTimer(nIDEvent);
}

void COkno::OnBnClickedOdswiez()
{
 	char buffer[1024]="";
	char* wys = (char*)malloc(1024);
	char* odp = (char*)malloc(1024);
	DWORD odp_dl;
	int l;
	CallNamedPipe("\\\\.\\pipe\\sysopnp",wys,strlen(wys)+1,odp,1024,&odp_dl,4000);
	char *p = odp;
	while(*p)
	{
		if(*p=='\n')
			*p='\0';
		p++;
	}
	p=odp;
	m_lista.ResetContent();
	while(l=strlen(p))
	{
		m_lista.AddString(p);
		p+=l+1;

	}
	free(wys);
	free(odp);
	/*TODO: Pobranie listy zarejestrowanych skrzynek*/

}

void COkno::OnBnClickedWyslij()
{
	char buffer[128];
	m_lista.GetWindowText(buffer,128);
	CString skrz;
	m_lista.GetWindowText(skrz);
	CFile plik(skrz, CFile::modeWrite | CFile::shareDenyNone);
	char* wys = (char*)malloc(1024);
	strcpy(wys,"asdf: wiadomosc");
	plik.Write(wys,strlen(wys+1));
	CString pom;
	m_ekran.GetWindowText(pom);
	plik.Write(pom, strlen(pom)+1);
	plik.Close();
	free(wys);
	//TODO: Wyslanie wiadomosci do wybranej skrzynki

}

afx_msg LRESULT COkno::OnWiadomosc(WPARAM n, LPARAM m)
{
	//TODO: Odbior przeslanego kodu

	return 0;
}

void COkno::OnBnClickedZaliczamy()
{
	/*TODO: Utworzenie zdarzenia "koniec ćwiczenia" i ustawienie jego stanu na dostepny*/

}

void COkno::OnDestroy()
{
	KillTimer(1);
	CDialog::OnDestroy();
}

void COkno::OnBnClickedKoniec()
{
EndDialog(1);
}