// ClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg dialog

CClientDlg::CClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CClientDlg)
	m_uPort = 8888;
	m_strShow = _T("");
	m_strMsg = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDC_EDIT1, m_Show);
	DDX_Control(pDX, IDC_IPADDRESS1, m_ip);
	DDX_Text(pDX, IDC_EDIT3, m_uPort);
	DDX_Text(pDX, IDC_EDIT1, m_strShow);
	DDX_Text(pDX, IDC_EDIT2, m_strMsg);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	ON_MESSAGE(WM_CLIENTMSG, OnClientMsg)
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg message handlers

BOOL CClientDlg::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
	WSADATA wsaData;
	WORD wVersionRequested = MAKEWORD(2, 0);
	WSAStartup(wVersionRequested, &wsaData);
	m_hSocket = socket(AF_INET, SOCK_STREAM, 0);
	WSAAsyncSelect(m_hSocket, this->m_hWnd, WM_CLIENTMSG, FD_CONNECT | FD_READ | FD_WRITE | FD_CLOSE);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CClientDlg::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 CClientDlg::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 CClientDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CClientDlg::OnDestroy() 
{
	CDialog::OnDestroy();	
	WSAAsyncSelect(m_hSocket, this->m_hWnd, 0, 0);
	WSACleanup();
}

void CClientDlg::OnButton2() 
{
	BYTE f0,f1,f2,f3;
	m_ip.GetAddress(f0,f1,f2,f3);
	CString addr;
	addr.Format("%d.%d.%d.%d", f0, f1, f2, f3);

	m_addr.sin_family = AF_INET;
	m_addr.sin_addr.S_un.S_addr = inet_addr(addr.GetBuffer(0));
	m_addr.sin_port = htons(m_uPort); 
	connect(m_hSocket, (LPSOCKADDR)&m_addr, sizeof(m_addr));
}

long CClientDlg::OnClientMsg(WPARAM wParam, LPARAM lParam)
{
	char buf[1024];
	int len;
	switch(lParam)
	{
	case FD_CONNECT:	
		m_strShow = "連接到服務器……";
		UpdateData(FALSE);	
		return 0;
	case FD_READ:
		len = recv(m_hSocket, buf, 1024, 0);
		buf[len]=NULL;
		m_strShow += "\r\n";
		m_strShow += buf;
		UpdateData(FALSE);
		return 0;
	case FD_WRITE:
		return 0;
	case FD_CLOSE:
		return 0;
	default:		
		closesocket(m_hSocket);
		return 0;
	}
}

void CClientDlg::OnButton1() 
{
	UpdateData(TRUE);
	m_strShow += "\r\n";
	m_strShow += m_strMsg;
	send(m_hSocket, m_strMsg.GetBuffer(0), m_strMsg.GetLength(),0);
	m_strMsg.Empty();
	UpdateData(FALSE);
}