/*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 * 
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */

/*
 * INCLUDES _________________________________________________________________
 *
 */
extern "C" {
#include <afs/param.h>
#include <afs/stds.h>
}

#include "afscfg.h"
#include "resource.h"


/*
 * DEFINITIONS _________________________________________________________________
 *
 */
static HWND hDlg = 0;				// HWND for this page's dialog


/*
 * PROTOTYPES _________________________________________________________________
 *
 */
static void OnInitDialog(HWND hwndDlg);
static void CheckEnableButtons();
static BOOL SavePageInfo();
static void ShowPageInfo();
static void IsFirstServer(BOOL bIs = TRUE);


/*
 * EXPORTED FUNCTIONS _________________________________________________________________
 *
 */

/*
 * Dialog Procs _________________________________________________________________
 *
 */
BOOL CALLBACK InfoPageDlgProc(HWND hRHS, UINT msg, WPARAM wp, LPARAM lp)
{
    if (WizStep_Common_DlgProc (hRHS, msg, wp, lp))
        return FALSE;

    switch (msg) {
    case WM_INITDIALOG:
	OnInitDialog(hRHS);
	break;

    case WM_COMMAND:
	switch (LOWORD(wp)) {
	case IDNEXT:
	    if (SavePageInfo())
		g_pWiz->SetState (sidSTEP_THREE);
	    break;

	case IDBACK:
	    if (SavePageInfo())
		g_pWiz->SetState (sidSTEP_ONE);
	    break;

	case IDC_FIRST_SERVER:
	    IsFirstServer();
	    break;

	case IDC_JOIN_EXISTING_CELL:
	    IsFirstServer(FALSE);
	    break;

	case IDC_CELL_NAME:
	case IDC_SERVER_PW:
	case IDC_VERIFY_PW:
	    if (HIWORD(wp) == EN_CHANGE)
		CheckEnableButtons();
	    break;

	}
	break;
    }	

    return FALSE;
}

/*
 * STATIC FUNCTIONS ________________________________________________________________________
 *
 */

/*
 * Event Handler Functions _________________________________________________________________
 *
 */
static void OnInitDialog(HWND hwndDlg)
{
    hDlg = hwndDlg;

    g_pWiz->EnableButtons(BACK_BUTTON);

    ShowPageInfo();

    if (g_CfgData.bFirstServer)
	IsFirstServer();

    g_pWiz->SetDefaultControl(IDC_CELL_NAME);
}


/*
 * Utility Functions _________________________________________________________________
 *
 */
static void CheckEnableButtons()
{
    BOOL bDisable = FALSE;

    TCHAR szCellName[cchRESOURCE];
    TCHAR szPW[cchRESOURCE];
    TCHAR szVerifyPW[cchRESOURCE];

    bDisable = lstrlen(GetWndText(hDlg, IDC_CELL_NAME, szCellName)) == 0;

    GetWndText(hDlg, IDC_SERVER_PW, szPW);
    GetWndText(hDlg, IDC_VERIFY_PW, szVerifyPW);

    if (IsButtonChecked(hDlg, IDC_FIRST_SERVER))
	bDisable |= !lstrlen(szPW) || !lstrlen(szVerifyPW) || lstrcmp(szPW, szVerifyPW);

    if (bDisable)
	g_pWiz->EnableButtons(BACK_BUTTON);
    else
	g_pWiz->EnableButtons(BACK_BUTTON | NEXT_BUTTON);
}	

static BOOL SavePageInfo()
{
    TCHAR szText[cchRESOURCE];
	
    GetWndText(hDlg, IDC_CELL_NAME, szText);
    if (lstrlen(szText) > MAX_CELL_NAME_LEN) {
	MsgBox(hDlg, IDS_CELL_NAME_LEN_ERROR, GetAppTitleID(), MB_ICONSTOP | MB_OK);
	return FALSE;
    }

    lstrcpy(g_CfgData.szCellName, szText);
    lstrncpy(g_CfgData.szServerPW, GetWndText(hDlg, IDC_SERVER_PW, szText), MAX_SERVER_PW_LEN);
    g_CfgData.bFirstServer = IsButtonChecked(hDlg, IDC_FIRST_SERVER);

    return TRUE;
}

static void ShowPageInfo()
{	
    SetWndText(hDlg, IDC_CELL_NAME, g_CfgData.szCellName);
    SetWndText(hDlg, IDC_SERVER_PW, g_CfgData.szServerPW);
    SetWndText(hDlg, IDC_VERIFY_PW, g_CfgData.szServerPW);

    if (g_CfgData.bFirstServer)
	SetCheck(hDlg, IDC_FIRST_SERVER);
    else
	SetCheck(hDlg, IDC_JOIN_EXISTING_CELL);
}

static void IsFirstServer(BOOL bIs)
{
    ENABLE_STATE es;

    if (bIs)
	es = ES_ENABLE;
    else
	es = ES_DISABLE;

    SetEnable(hDlg, IDC_PRINCIPAL_LABEL, es);
    SetEnable(hDlg, IDC_PRINCIPAL, es);
	
    SetEnable(hDlg, IDC_SERVER_PW_FRAME, es);
    SetEnable(hDlg, IDC_SERVER_PW_LABEL, es);
    SetEnable(hDlg, IDC_SERVER_PW_PROMPT, es);
    SetEnable(hDlg, IDC_SERVER_PW, es);
    SetEnable(hDlg, IDC_VERIFY_PW_LABEL, es);
    SetEnable(hDlg, IDC_VERIFY_PW, es);
	
    CheckEnableButtons();
}

