/*

 * Copyright (c) 2009 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:

 *

 */

// INCLUDES

#include <QTimer>

#include <HbTextItem>

#include <HbPushButton>

#include <HbAction>

#include <hbmessagebox.h>

#include <cntservicescontact.h>

#include <xqaiwrequest.h>

#include <xqappmgr.h>

#include <telconfigcrkeys.h>        // KCRUidTelephonyConfiguration

#include <centralrepository.h>

#include <HbNotificationDialog>

#include <commonphoneparser.h>      // Common phone number validity checker

#include <xqconversions.h>

#include <HbEditorInterface>

// USER INCLUDES

#include "debugtraces.h"

#include "msgunieditoraddress.h"

#include "msgunieditorlineedit.h"

#include "msgunieditormonitor.h"

#include "UniEditorGenUtils.h"

const QString PBK_ICON("qtg_mono_contacts");

const QString REPLACEMENT_STR("; ");

const QString COMMA_SEPERATOR(",");

// Constants

const int KDefaultGsmNumberMatchLength = 7;  //matching unique ph numbers

#define LOC_SMS_RECIPIENT_LIMIT_REACHED hbTrId("txt_messaging_dialog_number_of_recipients_exceeded")

#define LOC_MMS_RECIPIENT_LIMIT_REACHED hbTrId("txt_messaging_dpopinfo_unable_to_add_more_recipien")

#define LOC_DIALOG_OK hbTrId("txt_common_button_ok")

#define LOC_BUTTON_CANCEL hbTrId("txt_common_button_cancel")

#define LOC_INVALID_RECIPIENT hbTrId("txt_messaging_dialog_invalid_recipient_found")

#define LOC_INVALID_RECIPIENT_NOT_ADDED hbTrId("txt_messaging_dialog_invalid_recipient_not_added")

#define LOC_INVALID_RECIPIENTS_NOT_ADDED hbTrId("txt_messaging_dialog_invalid_recipients_not_added")

MsgUnifiedEditorAddress::MsgUnifiedEditorAddress( const QString& label,

                                                  QGraphicsItem *parent ) :

MsgUnifiedEditorBaseWidget(parent),

mSkipMaxRecipientQuery(false),

mAboutToExceedMaxSmsRecipients(false),

mAboutToExceedMaxMmsRecipients(false),

mExceedsMaxMmsRecipientsBy(0)

{

    this->setContentsMargins(0,0,0,0);

    mLaunchBtn = new HbPushButton(this);

    HbStyle::setItemName(mLaunchBtn,"launchBtn");

    connect(mLaunchBtn,SIGNAL(clicked()),this,SLOT(fetchContacts()));

    mLaunchBtn->setIcon(HbIcon(PBK_ICON));

    mAddressEdit = new MsgUnifiedEditorLineEdit(label,this);

    HbStyle::setItemName(mAddressEdit,"addressField");

    mAddressEdit->setMaxRows(40);

    connect(mAddressEdit, SIGNAL(contentsChanged(const QString&)),

            this, SLOT(onContentsChanged(const QString&)));

    mAddressEdit->setInputMethodHints(Qt::ImhPreferNumbers);

    //To allow only latin char(s) in address fields.

    HbEditorInterface editorInterface(mAddressEdit);

    editorInterface.setInputConstraints(HbEditorConstraintLatinAlphabetOnly);

}

MsgUnifiedEditorAddress::~MsgUnifiedEditorAddress()

{

	//TODO: Should remove this code depending on orbit's reply whether it is needed

	//to unregister the same plugin registered on two different widgets twice.

    //style()->unregisterPlugin(mPluginPath);

}

void MsgUnifiedEditorAddress::fetchContacts()

{

    mLaunchBtn->blockSignals(true);

    QList<QVariant> args;

    QString serviceName("com.nokia.services.phonebookservices");

    QString operation("fetch(QString,QString,QString)");

    XQAiwRequest* request;

    XQApplicationManager appManager;

    request = appManager.create(serviceName, "Fetch", operation, true); // embedded

    if ( request == NULL )

        {

        return;

        }

    // Result handlers

    connect (request, SIGNAL(requestOk(const QVariant&)), this, SLOT(handleOk(const QVariant&)));

    connect (request, SIGNAL(requestError(int,const QString&)), this, SLOT(handleError(int,const QString&)));

    args << QString(tr("Phonebook"));

    args << KCntActionAll;

    args << KCntFilterDisplayAll;

    request->setArguments(args);

    request->send();

    delete request;

    //unblock click signal after some delay.

    QTimer::singleShot(250,this,SLOT(unblockSignals()));

}

void MsgUnifiedEditorAddress::handleOk(const QVariant& value)

{

   CntServicesContactList contactList =

           qVariantValue<CntServicesContactList>(value);

    int count = contactList.count();

    ConvergedMessageAddressList addrlist;

    for(int i = 0; i < count; i++ )

    {

        ConvergedMessageAddress* address =

                new ConvergedMessageAddress();

        if(!contactList[i].mPhoneNumber.isEmpty())

        {

            address->setAddress(contactList[i].mPhoneNumber);

        }

        else

        {

            address->setAddress(contactList[i].mEmailAddress);

        }

        address->setAlias(contactList[i].mDisplayName);

        addrlist << address;

    }

    setAddresses(addrlist);

}

void MsgUnifiedEditorAddress::handleError(int errorCode, const QString& errorMessage)

{

    Q_UNUSED(errorMessage)

    Q_UNUSED(errorCode)

}

// ----------------------------------------------------------------------------

// MsgUnifiedEditorAddress::addresses

// @see header

// ----------------------------------------------------------------------------

ConvergedMessageAddressList MsgUnifiedEditorAddress::addresses(

        bool removeDuplicates)

{

#ifdef _DEBUG_TRACES_

    qCritical() << "MsgUnifiedEditorAddress::addresses start";

#endif

    // sync-up map to account for user-actions on edit-field

    syncDeletionsToMap();

    syncAdditionsToMap();

    ConvergedMessageAddressList addresses;

    if(removeDuplicates)

    {

        QStringList uniqueAddr;

        uniqueAddr = uniqueAddressList();

        foreach(QString addr, uniqueAddr)

        {

            ConvergedMessageAddress* address = new ConvergedMessageAddress;

            address->setAddress(addr);

            address->setAlias(mAddressMap.value(addr));

            addresses.append(address);

        }

    }

    else

    {

        QMap<QString, QString>::iterator i = mAddressMap.begin();

        while (i != mAddressMap.end())

        {

            ConvergedMessageAddress* address = new ConvergedMessageAddress;

            address->setAddress(i.key());

            address->setAlias(i.value());

            addresses.append(address);

            i++;

        }

    }

#ifdef _DEBUG_TRACES_

    qCritical() << "MsgUnifiedEditorAddress::addresses end";

#endif

    return addresses;

}

int MsgUnifiedEditorAddress::addressCount()

{

    return mAddressEdit->addresses().count();

}

void MsgUnifiedEditorAddress::setAddresses(ConvergedMessageAddressList addrlist)

{

    // avoid processing if no info available

    if(addrlist.count() == 0)

    {

        return;

    }

    // ensure flags are reset before starting the addr addition

    mAboutToExceedMaxSmsRecipients = false;

    mAboutToExceedMaxMmsRecipients = false;

    mExceedsMaxMmsRecipientsBy = 0;

    // first, we check if MMS max-recipient count will exceed

    int count = addrlist.count();

	int futureCount = count + MsgUnifiedEditorMonitor::msgAddressCount();

	if(futureCount > MsgUnifiedEditorMonitor::maxMmsRecipients())

	{

	    mAboutToExceedMaxMmsRecipients = true;

	    mExceedsMaxMmsRecipientsBy =

	            futureCount - MsgUnifiedEditorMonitor::maxMmsRecipients();

	}

	// else, check if SMS max-recipient count will exceed

	else if(!mSkipMaxRecipientQuery)

	{

	    futureCount = count + addressCount();

	    if( (addressCount() <= MsgUnifiedEditorMonitor::maxSmsRecipients()) &&

	        (futureCount > MsgUnifiedEditorMonitor::maxSmsRecipients()) )

	    {

	        mAboutToExceedMaxSmsRecipients = true;

	    }

	}

	int  invalidCount= 0;

    QString invalidContacts;

    for(int i = 0; i < count; i++ )

        {

        bool isValid = false;

        isValid = checkValidAddress(addrlist.at(i)->address());

        if(!isValid)

           {

            invalidCount ++;

            // append the comma till last but one contact.

            // add the invalid ocntacts to the " , " seperated string.

            if(invalidCount > 1)

                {

                invalidContacts.append(COMMA_SEPERATOR);

                }

            invalidContacts.append(addrlist.at(i)->alias());

           }

       else

           {

           mAddressMap.insertMulti(addrlist[i]->address(), addrlist[i]->alias());

           if(!addrlist[i]->alias().isEmpty())

              {

              mAddressEdit->setText(addrlist[i]->alias());

              }

           else

              {

              mAddressEdit->setText(addrlist[i]->address(), false);

              }

           }

       }

    if(invalidCount)

        {

        QString invalidStr;

        (invalidCount == 1)?(invalidStr = QString(LOC_INVALID_RECIPIENT_NOT_ADDED)) :(invalidStr = QString(LOC_INVALID_RECIPIENTS_NOT_ADDED));

        // append line seperator

         invalidStr.append("<br>");

         invalidStr.append(invalidContacts);

         HbMessageBox::information(invalidStr, 0, 0, HbMessageBox::Ok);

        }

    // addition operation complete, reset flags

    mAboutToExceedMaxSmsRecipients = false;

    mAboutToExceedMaxMmsRecipients = false;

    mExceedsMaxMmsRecipientsBy = 0;

}

int MsgUnifiedEditorAddress::contactMatchDigits()

{

    // Read the amount of digits to be used in contact matching

    // The key is owned by PhoneApp

    int matchDigitCount = 0;

    TRAP_IGNORE(

        CRepository* repository = CRepository::NewLC(KCRUidTelConfiguration);

        if ( repository->Get(KTelMatchDigits, matchDigitCount) == KErrNone )

        {

            // Min is 7

            matchDigitCount = Max(matchDigitCount, KDefaultGsmNumberMatchLength);

        }

        CleanupStack::PopAndDestroy(); // repository

    );

    return matchDigitCount;

}

void MsgUnifiedEditorAddress::onContentsChanged(const QString& text)

{

    // Max MMS recipient count check

    if( mAboutToExceedMaxMmsRecipients ||

        (MsgUnifiedEditorMonitor::msgAddressCount() >= MsgUnifiedEditorMonitor::maxMmsRecipients()) )

    {

        if(mAboutToExceedMaxMmsRecipients)

        {// show discreet note only once

            --mExceedsMaxMmsRecipientsBy;

            if(!mExceedsMaxMmsRecipientsBy)

            {

                HbMessageBox::information(LOC_MMS_RECIPIENT_LIMIT_REACHED, 0, 0, HbMessageBox::Ok);

            }

            resetToPrevious();

        }

        else

        {

            // update monitor data

            emit contentChanged();

            if(MsgUnifiedEditorMonitor::msgAddressCount() > MsgUnifiedEditorMonitor::maxMmsRecipients())

            {

                HbMessageBox::information(LOC_MMS_RECIPIENT_LIMIT_REACHED, 0, 0, HbMessageBox::Ok);

                resetToPrevious();

                // reset monitor data

                emit contentChanged();

            }

            else

            {

                mPrevBuffer = text;

            }

        }

        return;

    }

    // Max SMS recipient count check

    if( !mSkipMaxRecipientQuery &&

        (MsgUnifiedEditorMonitor::messageType() == ConvergedMessage::Sms) &&

        (mAddressEdit->addresses().count() > MsgUnifiedEditorMonitor::maxSmsRecipients()) )

    {

        // when we show this dialog, we don't want the intermediate states

        // to be signalled to us

        disconnect(mAddressEdit, SIGNAL(contentsChanged(const QString&)),

                this, SLOT(onContentsChanged(const QString&)));

        QTimer::singleShot(50, this, SLOT(handleRecipientLimitReached()));

    }

    else

    {

        if(!mAboutToExceedMaxSmsRecipients)

        {// remember addresses before the block insertion started

            mPrevBuffer = text;

        }

        emit contentChanged();

    }

}

void MsgUnifiedEditorAddress::handleRecipientLimitReached()

{

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

    dlg->setAttribute(Qt::WA_DeleteOnClose);

    dlg->setFocusPolicy(Qt::NoFocus);

    dlg->setTimeout(HbPopup::NoTimeout);

    dlg->setText(LOC_SMS_RECIPIENT_LIMIT_REACHED);

    dlg->clearActions();

    HbAction* okAction = new HbAction(LOC_DIALOG_OK,dlg);

    dlg->addAction(okAction);

    HbAction* cancelAction = new HbAction(LOC_BUTTON_CANCEL,dlg);

    dlg->addAction(cancelAction);

    dlg->open(this,SLOT(onMaxRecipientsReached(HbAction*)));

    // reconnect to get back updates

    connect(mAddressEdit, SIGNAL(contentsChanged(const QString&)),

            this, SLOT(onContentsChanged(const QString&)));

}

void MsgUnifiedEditorAddress::syncDeletionsToMap()

{

    // get address list from edit-field

    QStringList addrList = mAddressEdit->addresses();

    QMap<QString, QString>::iterator i = mAddressMap.begin();

    while (i != mAddressMap.end())

    {

        // check if either key or value is present in the list

        if( !(addrList.contains(i.value(), Qt::CaseSensitive) ||

              addrList.contains(i.key(), Qt::CaseSensitive)) )

        {// if none are present, then delete entry from map

            i = mAddressMap.erase(i);

        }

        else

        {

            // ensure that the matched contact is removed from the

            // address's list

            int matchedIndex = addrList.indexOf(i.value());

            if(matchedIndex == -1)

            {

                matchedIndex = addrList.indexOf(i.key());

            }

            if(matchedIndex != -1)

            {

                addrList.removeAt(matchedIndex);

            }

            // now go to next index in map

            ++i;

        }

    }

}

void MsgUnifiedEditorAddress::syncAdditionsToMap()

{

    // remove already mapped addresses from edit-field

    QStringList userInputAddrList(mAddressEdit->addresses());

    QStringList mapAddrList = mAddressMap.values();

    mapAddrList << mAddressMap.keys();

    foreach(QString addr, mapAddrList)

    {

        userInputAddrList.removeOne(addr);

    }

    // add the unmapped addresses to address-map

    foreach(QString addr, userInputAddrList)

    {

        mAddressMap.insertMulti(addr, QString());

    }

}

QStringList MsgUnifiedEditorAddress::uniqueAddressList()

{

    int matchDigitCount = MsgUnifiedEditorAddress::contactMatchDigits();

    QStringList mapAddrList = mAddressMap.keys();

    for(int j = 0;j<mapAddrList.count()-1;j++)

    {

        for(int i =j+1;i<mapAddrList.count();i++)

        {

            if(0 == mapAddrList[j].right(matchDigitCount).compare(mapAddrList[i].right(matchDigitCount)))

            {

               mapAddrList.removeAt(i);

               i--;

            }

        }

    }

    return mapAddrList;

}

// ----------------------------------------------------------------------------

// MsgUnifiedEditorAddress::skipMaxRecipientQuery

// @see header

// ----------------------------------------------------------------------------

void MsgUnifiedEditorAddress::skipMaxRecipientQuery(bool skip)

{

    mSkipMaxRecipientQuery = skip;

}

void MsgUnifiedEditorAddress::setFocus()

{

    mAddressEdit->setFocus(Qt::MouseFocusReason);

}

// ----------------------------------------------------------------------------

// MsgUnifiedEditorAddress::resetToPrevious

// @see header

// ----------------------------------------------------------------------------

void MsgUnifiedEditorAddress::resetToPrevious()

{

    // when we do this reset operation, we don't want the intermediate states

    // to be signalled to us

    disconnect(mAddressEdit, SIGNAL(contentsChanged(const QString&)),

            this, SLOT(onContentsChanged(const QString&)));

    mAddressEdit->clearContent();

    QStringList list = mPrevBuffer.split(REPLACEMENT_STR,

            QString::SkipEmptyParts);

    int count = list.count();

    QStringList valList = mAddressMap.values();

    for(int i=0; i<count; i++)

    {

        QString addr = list.at(i);

        if(valList.contains(addr))

        {

            mAddressEdit->setText(addr);

        }

        else

        {

            mAddressEdit->setText(addr, false);

        }

    }

    syncDeletionsToMap();

    connect(mAddressEdit, SIGNAL(contentsChanged(const QString&)),

            this, SLOT(onContentsChanged(const QString&)));

}