/*

 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *   Control Panel QT UI for PAC store configuration

 *

 */

/*

 * %version: 6 %

 */

// System includes

#include <HbMessageBox>

#include <HbInputDialog>

#include <HbAction>

#include <HbLineEdit>

#include <cpsettingformitemdata.h>

#include <cpitemdatahelper.h>

#include <eapqtvalidator.h>

#include <eapqtpacstoreconfig.h>

// User includes

#include "cpeaptlsmethodsui.h"

#include "cpeappacstoreui.h"

/*!

 * \class CpEapPacStoreUi

 * \brief Implementes PAC Store configuration group. 

 */

// External function prototypes

// Local constants

/*!

 * First lineEdit of the dialog

 */

static const int FirstRow = 0;

/*

 * Second lineEdit of the dialog

 */

static const int SecondRow = 1;

// ======== LOCAL FUNCTIONS ========

// ======== MEMBER FUNCTIONS ========

/*!

 * Constructor.

 * 

 * @param [in] configIf  Pointer to EapQtConfigInterface

 */

CpEapPacStoreUi::CpEapPacStoreUi(EapQtConfigInterface *configIf) :

        mConfigIf(configIf),

        mItemDataHelper(NULL),

        mPacStoreGroup(NULL),

        mPacStorePassword(NULL),

        mResetPacStore(NULL),

        mPacStorePasswordState(0),

        mExistPasswordDialog(NULL),

        mNewPasswordDialog(NULL),

        mMessageBox(NULL)

{

    qDebug("CpEapPacStoreUi::CpEapPacStoreUi()");

}

/*!

 * Destructor.

 */

CpEapPacStoreUi::~CpEapPacStoreUi()

{

    qDebug("CpEapPacStoreUi::~CpEapPacStoreUi()");

}

/*!

 * Returns PAC store UI group

 * 

 * @param [in] dataHelper  CpItemDataHelper to add Connections

 * 

 * @return PAC store group

 */

CpSettingFormItemData* CpEapPacStoreUi::uiInstance(

    CpItemDataHelper &dataHelpper)

{

    //Store the address of the Data Helper

    mItemDataHelper = &dataHelpper;

    mPacStoreGroup.reset(new CpSettingFormItemData(

        HbDataFormModelItem::GroupItem, 

        hbTrId("txt_occ_subhead_pac_store")));

    mPacStoreGroup->setContentWidgetData("objectName", "CpEapPacStoreUiGroupItem");

    // Read PAC Store configuration

    bool configurationRead = mConfigIf->readPacStoreConfiguration(

        mPacStoreConfig);

    if (!configurationRead) {

        // Use default value - PAC store password prompt

        qDebug("CpEapPacStoreUi::uiInstance - read PAC store configuration failed.");

    }

    // Create PAC store password selection comboBox

    createPacStorePassword();

    // Create Reset PAC store button

    createResetPacStore();

    return mPacStoreGroup.take();

}

/*!

 * Creates PAC store password selection comboBox

 */

void CpEapPacStoreUi::createPacStorePassword()

{

    qDebug("CpEapPacStoreUi::createPacStorePassword()");

    // Create PAC store password comboBox

    mPacStorePassword = new CpSettingFormItemData(

        HbDataFormModelItem::ComboBoxItem, 

        hbTrId("txt_occ_setlabel_pac_store_password"));

    mPacStoreGroup->appendChild(mPacStorePassword);

    mPacStorePassword->setContentWidgetData(

        "objectName", 

        "CpEapPacStoreUiPassword");

    // Add items to comboBox List

    QStringList items;

    items << hbTrId("txt_occ_setlabel_pac_store_password_val_prompt")

        << hbTrId("txt_occ_setlabel_pac_store_password_val_user_defin");

    mPacStorePassword->setContentWidgetData("items", items);

    // Initialize selection from PAC store configuration

    if (mPacStoreConfig.value(EapQtPacStoreConfig::PacStoreState).toInt() 

        == EapQtPacStoreConfig::PacStoreStatePasswordStored) {

        mPacStorePassword->setContentWidgetData("currentIndex", PacStorePasswordUserDefined);

        mPacStorePasswordState = PacStorePasswordUserDefined;

    } else {

        mPacStorePassword->setContentWidgetData("currentIndex", PacStorePasswordPrompt);

        mPacStorePasswordState = PacStorePasswordPrompt;

    }

    // Connect signal for password state changed

    mItemDataHelper->addConnection(mPacStorePassword, SIGNAL(currentIndexChanged(int)), this,

        SLOT(pacStorePasswordChanged(int)));

}

/*!

 * Creates reset PAC store button

 */

void CpEapPacStoreUi::createResetPacStore()

{

    qDebug("CpEapPacStoreUi::createResetPacStore()");

    // Create button

    mResetPacStore = new CpSettingFormItemData(

        HbDataFormModelItem::ToggleValueItem,

        hbTrId(""));

    mPacStoreGroup->appendChild(mResetPacStore);

    mResetPacStore->setContentWidgetData(

        "objectName", 

        "CpEapPacStoreUiResetPacStore");    

    // Define text for the button

    mResetPacStore->setContentWidgetData("text",

            hbTrId("txt_occ_button_reset_pac_store"));

    mResetPacStore->setContentWidgetData("additionalText", 

            hbTrId("txt_occ_button_reset_pac_store"));

    // Connect signal for button pressed

    mItemDataHelper->addConnection(

        mResetPacStore, 

        SIGNAL(valueChanged(QPersistentModelIndex, QVariant)), 

        this,

        SLOT(resetPacStoreButtonPressed(QPersistentModelIndex, QVariant)));

}

/*!

 * Set PAC store password state.

 * This is called when state changed has failed and state shall be restored. 

 * 

 * @param [in] state  Pac store password state: Prompt/Userd defined.

 */

void CpEapPacStoreUi::setPacStorePasswordState(const PacStorePasswordIndexes state)

{

    // Remove signal connection while state is restored

    mItemDataHelper->removeConnection(mPacStorePassword, SIGNAL(currentIndexChanged(int)), this,

        SLOT(pacStorePasswordChanged(int)));

    mPacStorePassword->setContentWidgetData("currentIndex", state);

    // Restore connection

    mItemDataHelper->addConnection(mPacStorePassword, SIGNAL(currentIndexChanged(int)), this,

        SLOT(pacStorePasswordChanged(int)));

    mPacStorePasswordState = state;

}

/*!

 * Show PAC store password query when PAC store already exists

 */

void CpEapPacStoreUi::showExistPasswordQuery()

{

    qDebug("CpEapPacStoreUi::showExistPasswordQuery()");

    // Create dialog

    QScopedPointer<HbInputDialog> existPasswordDialog(new HbInputDialog());

    existPasswordDialog->setObjectName("CpEapPacStoreUiExistPasswordDialog");

    existPasswordDialog->setAttribute(Qt::WA_DeleteOnClose);

    existPasswordDialog->setPromptText(hbTrId("txt_occ_dialog_pac_store_password"));

    existPasswordDialog->setInputMode(HbInputDialog::TextInput);

    // Add validator

    mValidatorPacStore.reset( 

        mConfigIf->validatorPacStore(

            EapQtPacStoreConfig::PacStorePasswordConfirmation));

    Q_ASSERT(mValidatorPacStore.data());

    mValidatorPacStore->updateEditor(existPasswordDialog->lineEdit());

    // Set Password echo mode

    existPasswordDialog->setEchoMode(HbLineEdit::Password);

    // Configurate buttons

    existPasswordDialog->clearActions();

    HbAction *okAction = new HbAction(

        hbTrId("txt_common_button_ok"),

        existPasswordDialog.data());

    existPasswordDialog->addAction(okAction);

    okAction->setObjectName("CpEapPacStoreUiExistPasswordDialogOkAction");

    bool connected = connect(okAction, 

                             SIGNAL(triggered()), 

                             this, 

                             SLOT(completeExistPasswordQuery()));

    Q_ASSERT(connected);

    HbAction *cancelAction = new HbAction(

        hbTrId("txt_common_button_cancel"),

        existPasswordDialog.data());

    existPasswordDialog->addAction(cancelAction);

    cancelAction->setObjectName("CpEapPacStoreUiExistPasswordDialogCancelAction");

    connected = connect(cancelAction, 

                        SIGNAL(triggered()), 

                        this, 

                        SLOT(cancelPasswordQuery()));

    Q_ASSERT(connected);

    // Take the ownership of the dialog from QScopedPointer

    mExistPasswordDialog = existPasswordDialog.take();

    // Show dialog

    mExistPasswordDialog->show();

}

/*!

 * Show create PAC store password query when no PAC store exists

 */

void CpEapPacStoreUi::showNewPasswordQuery()

{

    qDebug("CpEapPacStoreUi::showNewPasswordQuery()");

    // Create dialog

    QScopedPointer<HbInputDialog> newPasswordDialog(new HbInputDialog());

    newPasswordDialog->setObjectName("CpEapPacStoreUiNewPasswordDialog");

    newPasswordDialog->setAttribute(Qt::WA_DeleteOnClose);

    newPasswordDialog->setAdditionalRowVisible(true);

    newPasswordDialog->setPromptText(

        hbTrId("txt_occ_dialog_create_password_for_encrypted_pac_s"), 

        FirstRow);

    newPasswordDialog->setPromptText(

        hbTrId("txt_occ_dialog_verify_password"),

        SecondRow);

    newPasswordDialog->setInputMode(HbInputDialog::TextInput);

    // Add validators

    mValidatorPacStore.reset( 

        mConfigIf->validatorPacStore(

            EapQtPacStoreConfig::PacStorePassword));

    Q_ASSERT(mValidatorPacStore.data());

    mValidatorPacStore->updateEditor(newPasswordDialog->lineEdit(FirstRow));

    mValidatorPacStore->updateEditor(newPasswordDialog->lineEdit(SecondRow));

    // Set Password echo mode

    newPasswordDialog->setEchoMode(HbLineEdit::Password, FirstRow);

    newPasswordDialog->setEchoMode(HbLineEdit::Password, SecondRow);

    // Configure buttons

    newPasswordDialog->clearActions();

    HbAction *okAction = new HbAction(

        hbTrId("txt_common_button_ok"),

        newPasswordDialog.data());

    newPasswordDialog->addAction(okAction);

    okAction->setObjectName("CpEapPacStoreUiNewPasswordDialogOkAction");

    bool connected = connect(okAction, 

                             SIGNAL(triggered()), 

                             this, 

                             SLOT(completeNewPasswordQuery()));

    Q_ASSERT(connected);

    HbAction *cancelAction = new HbAction(

        hbTrId("txt_common_button_cancel"),

        newPasswordDialog.data());

    newPasswordDialog->addAction(cancelAction);

    cancelAction->setObjectName("CpEapPacStoreUiNewPasswordDialogCancelAction");

    connected = connect(cancelAction, 

                        SIGNAL(triggered()), 

                        this, 

                        SLOT(cancelPasswordQuery()));

    // Take the ownership of the dialog from QScopedPointer

    mNewPasswordDialog = newPasswordDialog.take();

    // Show dialog

    mNewPasswordDialog->show();

}

/*!

 * Shows message box with "OK" button using given text.

 * 

 * @param [in] type  Message box type

 * @param [in] text  Text to be shown

 */

void CpEapPacStoreUi::showMessageBox(

    HbMessageBox::MessageBoxType type,

    const QString &text)

{

    // Create a message box

    mMessageBox = QSharedPointer<HbMessageBox>(new HbMessageBox(type));

    mMessageBox->setObjectName("CpEapPacStoreUiMessageBox");

    mMessageBox->setText(text);

    mMessageBox->setModal(true);

    mMessageBox->setTimeout(HbPopup::NoTimeout);

    mMessageBox->open();

}

/*!

 * This slot is called when PAC Store password state has been changed

 * 

 * @param [in] value  New state of password (prompt/user defined)

 */

void CpEapPacStoreUi::pacStorePasswordChanged(int value)

{

    qDebug("CpEapPacStoreUi::pacStorePasswordChanged()");

    if (mPacStorePasswordState != value) {

        // Value is really changed

        if (value == PacStorePasswordPrompt) {

            // Prompt

            qDebug("CpEapPacStoreUi::pacStorePasswordChanged - Prompt");

            //Show message box to confirm the PAC store password clearing

            HbMessageBox *questionBox = new HbMessageBox(HbMessageBox::MessageTypeQuestion);

            questionBox->setObjectName("CpEapPacStoreUiClearPasswordQuestion");

            questionBox->setText(hbTrId("txt_occ_info_pac_store_password_will_no_longer_be"));

            questionBox->setModal(true);

            questionBox->setTimeout(HbPopup::NoTimeout);

            questionBox->setAttribute(Qt::WA_DeleteOnClose);

            questionBox->setStandardButtons(HbMessageBox::Yes | HbMessageBox::No);

            questionBox->open(this,SLOT(clearPacStorePasswordConfirmed(int)));

        } else {

            //User defined

            Q_ASSERT(value == PacStorePasswordUserDefined);

            qDebug("CpEapPacStoreUi::pacStorePasswordChanged - User defined");

            // Read from PAC store config if PAC store exists

            EapQtPacStoreConfig pacStoreConfig;

            bool configurationRead = mConfigIf->readPacStoreConfiguration(

                pacStoreConfig);

            if (!configurationRead) {

                qDebug("CpEapPacStoreUi::pacStorePasswordChanged - read PAC store configuration failed.");

            }

            if (pacStoreConfig.value(EapQtPacStoreConfig::PacStoreState).toInt() 

                == EapQtPacStoreConfig::PacStoreStatePasswordRequired) {

                // PAC store exists, show 'PAC store password' query 

                qDebug("CpEapPacStoreUi::pacStorePasswordChanged - Exist password query");

                showExistPasswordQuery();

            } else if (pacStoreConfig.value(EapQtPacStoreConfig::PacStoreState).toInt()

                == EapQtPacStoreConfig::PacStoreStateStoreNotExists) {

                // PAC store doesn't exist, show create password query

                qDebug("CpEapPacStoreUi::pacStorePasswordChanged - Create new password");

                showNewPasswordQuery();

            } else {

                // If password already stored no prompt needed

                qDebug("CpEapPacStoreUi::pacStorePasswordChanged - Password stored");

            }

        }    

    }

}

/*!

 * Slot for handling "Reset PAC store" button presses.

 * 

 * @param [in] index  Obsolete parameter, not needed

 * @param [in] value  Obsolete parameter, not needed

 */

void CpEapPacStoreUi::resetPacStoreButtonPressed(

    QPersistentModelIndex index, 

    QVariant value)

{

    qDebug("CpEapPacStoreUi::resetPacStoreButtonPressed");

    Q_UNUSED(index);

    Q_UNUSED(value);

    //Show message box to confirm the PAC store resetting

    HbMessageBox *questionBox = new HbMessageBox(HbMessageBox::MessageTypeQuestion);

    questionBox->setObjectName("CpEapPacStoreUiRestPacStoreQuestion");

    questionBox->setText(hbTrId("txt_occ_info_remove_pac_store_all_credentials_wil"));

    questionBox->setModal(true);

    questionBox->setTimeout(HbPopup::NoTimeout);

    questionBox->setAttribute(Qt::WA_DeleteOnClose);

    questionBox->setStandardButtons(HbMessageBox::Yes | HbMessageBox::No);

    questionBox->open(this,SLOT(resetPacStoreConfirmed(int)));

}

/*!

 * Slot for clear PAC store Password after confirmed.

 * 

 * @param [in] action  User action

 */

void CpEapPacStoreUi::clearPacStorePasswordConfirmed(int action)

{

    qDebug("CpEapPacStoreUi::clearPacStorePasswordConfirmed()");

    if (action == HbMessageBox::Yes) {

        // User Clicked Yes

        // Clear PAC store password

        EapQtPacStoreConfig pacStoreConfig;

        pacStoreConfig.setValue(EapQtPacStoreConfig::PacStoreSavePassword, false);

        bool status = mConfigIf->savePacStoreConfiguration(

            pacStoreConfig);

        qDebug("CpEapPacStoreUi::clearPacStorePasswordConfirmed - status: %d", status);

        mPacStorePasswordState = PacStorePasswordPrompt;

        // Show error note to user

        if (!status) {

            // Show error note to user

            showMessageBox(

                HbMessageBox::MessageTypeWarning,

                hbTrId("txt_occ_info_unable_to_save_setting"));            

        }

    } else {

        // User Clicked No

        Q_ASSERT(action == HbMessageBox::No);

        // Set PAC store password back to 'User defined'

        setPacStorePasswordState(PacStorePasswordUserDefined);

    }

}

/*!

 * Slot for reset PAC store after confirmed.

 * 

 * @param [in] action  User action

 */

void CpEapPacStoreUi::resetPacStoreConfirmed(int action)

{

    qDebug("CpEapPacStoreUi::resetPacStoreConfirmed()");

    if (action == HbMessageBox::Yes) {

        // User Clicked Yes

        // Reset PAC Store

        EapQtPacStoreConfig pacStoreConfig;

        pacStoreConfig.setValue(EapQtPacStoreConfig::PacStoreReset, true);

        bool status = mConfigIf->savePacStoreConfiguration(

            pacStoreConfig);

        qDebug("CpEapPacStoreUi::resetPacStoreConfirmed - reset status: %d", status);

        if (!status) {

            // Show error note to user

            showMessageBox(

                HbMessageBox::MessageTypeWarning,

                hbTrId("txt_occ_info_unable_to_save_setting"));

        }

        // Set PAC store password selection to 'Prompt'

        setPacStorePasswordState(PacStorePasswordPrompt);

    } else {

        // User Clicked No

        Q_ASSERT(action == HbMessageBox::No);

        // Do nothing (don't reset PAC store)

        qDebug("CpEapPacStoreUi::resetPacStoreConfirmed - Do not reset.");

    }

}

/*!

 * Slot for confirm given PAC store password when PAC store exists

 */

void CpEapPacStoreUi::completeExistPasswordQuery()

{

    qDebug("CpEapPacStoreUi::completeExistPasswordQuery()");

    QString password = mExistPasswordDialog->value().toString();

    if (mValidatorPacStore->validate(password) == EapQtValidator::StatusOk) {

        qDebug("CpEapPacStoreUi::completeExistPasswordQuery() - save password");

        // Password is OK, save it

        EapQtPacStoreConfig pacStoreConfig;

        pacStoreConfig.setValue(EapQtPacStoreConfig::PacStorePassword, password);

        pacStoreConfig.setValue(EapQtPacStoreConfig::PacStoreSavePassword, true);

        bool status = mConfigIf->savePacStoreConfiguration(

            pacStoreConfig);

        qDebug("CpEapPacStoreUi::completeExistPasswordQuery - save status: %d", status);

        if (status) {

            mPacStorePasswordState = PacStorePasswordUserDefined;            

        } else {

            setPacStorePasswordState(PacStorePasswordPrompt);

            // Show error note to user

            showMessageBox(

                HbMessageBox::MessageTypeWarning,

                hbTrId("txt_occ_info_unable_to_save_setting"));

        }

    } else {

        // Existing password cannot be changed

        // Set PAC store password selection back to 'Prompt'

        setPacStorePasswordState(PacStorePasswordPrompt);

        // Show info popup

        HbMessageBox *infoBox = new HbMessageBox(HbMessageBox::MessageTypeInformation);

        infoBox->setObjectName("CpEapPacStoreUiPasswordCannotChangeInfo");

        infoBox->setText(hbTrId("txt_occ_info_existing_password_cannot_be_changed"));

        infoBox->setModal(true);

        infoBox->setTimeout(HbPopup::NoTimeout);

        infoBox->setAttribute(Qt::WA_DeleteOnClose);

        infoBox->setStandardButtons(HbMessageBox::Ok);

        infoBox->open();

    }

}

/*!

 * Slot for save given PAC store password when no PAC store exists