/*

* Copyright (c) 2008 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:  active helper for server ,owns the main cache arrray 

*

*/

 // INCLUDE FILES

#include "ccacheserveractivehelper.h"

#include "cimcachesession.h"

#include <imcachedefs.h>

#include "mimcachemessageheader.h"

#include "cimcacheserver.h"

#include "timcachemessagefactory.h"

#include "cimcachemessageheader.h"

#include "cimcachemessagebase.h"

#include <ecom/ecom.h>

 //logs

#include "imcachedebugtrace.h"

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

// CCacheServerActiveHelper::NewL()

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

//

CCacheServerActiveHelper* CCacheServerActiveHelper::NewL(CIMCacheServer& aServer)

    {

    TRACE( T_LIT( "CCacheServerActiveHelper::NewL begin") );

    CCacheServerActiveHelper* self = new(ELeave) CCacheServerActiveHelper(aServer);

    CleanupStack::PushL( self );

    self->ConstructL( );

    CleanupStack::Pop( self );

    TRACE( T_LIT( "CCacheServerActiveHelper::NewL end") );

    return self;

    }

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

// CCacheServerActiveHelper::~CCacheServerActiveHelper()

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

//

CCacheServerActiveHelper::~CCacheServerActiveHelper( )

    {

    TRACE( T_LIT( "CCacheServerActiveHelper::~CCacheServerActiveHelper begin") );

    iHeaderArray.ResetAndDestroy();  

    //all items are there in iHeaderArray so no need to call ResetAndDestroy

    iPluginInfo.ResetAndDestroy();

    iPluginInfo.Close();

    TRACE( T_LIT( "CCacheServerActiveHelper::~CCacheServerActiveHelper end") );

    }

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

// CCacheServerActiveHelper::CCacheServerActiveHelper()

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

//

CCacheServerActiveHelper::CCacheServerActiveHelper(CIMCacheServer& aServer ) 

                                                    :iServer(aServer )

    {

    TRACE( T_LIT( "CCacheServerActiveHelper::CCacheServerActiveHelper begin") );

	TRACE( T_LIT( "CCacheServerActiveHelper::CCacheServerActiveHelper end") );

    }

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

// CCacheServerActiveHelper::ConstructL()

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

//

void CCacheServerActiveHelper::ConstructL()

    {

    TRACE( T_LIT( "CCacheServerActiveHelper::ConstructL begin") );

	iMessageFactory = new ( ELeave ) TIMCacheMessageFactory;

	LoadPluginL( );

	TRACE( T_LIT( "CCacheServerActiveHelper::ConstructL end") );

    }

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

// CCacheServerActiveHelper::ResetHeaderInoformation()

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

//

void CCacheServerActiveHelper::ResetHeaderInoformation()

    {

    TRACE( T_LIT( "CCacheServerActiveHelper::ResetHeaderInoformation begin") );

    TInt count = iHeaderArray.Count() ;

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

	    {

	    MIMCacheMessageHeader* header = iHeaderArray[ i ];

	    header->SetChatStarted(EFalse);

	    }

   	TRACE( T_LIT( "CCacheServerActiveHelper::ResetHeaderInoformation end") );

    }

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

// CCacheServerActiveHelper::GetUnreadMessageCountL

// (other items were commented in a header).

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

//

void CCacheServerActiveHelper::GetUnreadMessageCountL(const RMessage2& aMessage )

	{

	TRACE( T_LIT( "CCacheServerActiveHelper::GetUnreadMessageCountL	start") );

		// at zero place service id was appended

	TInt sericeId = aMessage.Int0();

	// at index 1 sender was appended

	TInt bufferSize( aMessage.GetDesLength( 1 ) );

	HBufC* buddyId = HBufC::NewLC( bufferSize );

	TPtr buddyIdPtr = buddyId->Des();

	aMessage.ReadL( 1, buddyIdPtr );

	TInt headerIndex = iMessageFactory->FindHeaderIndexL(iHeaderArray, sericeId, buddyIdPtr );

	TInt unreadCount = 0;

	if( headerIndex != KErrNotFound ) //if match is found

		{

		MIMCacheMessageHeader* newHeader = iHeaderArray[ headerIndex ];

		unreadCount = newHeader->UnreadMessageCount();

		}

	TPckgC<TInt> pack( unreadCount );

   	aMessage.WriteL( 2, pack );

    CleanupStack::PopAndDestroy(buddyId);

    TRACE( T_LIT( "CCacheServerActiveHelper::GetUnreadMessageCountL	end") );

	}

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

// CCacheServerActiveHelper::GetAllUnreadMessageCountL

// (other items were commented in a header).

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

//

void CCacheServerActiveHelper::GetAllUnreadMessageCountL(const RMessage2& aMessage )

	{

	TRACE( T_LIT( "CCacheServerActiveHelper::GetAllUnreadMessageCountL	start") );

		// at zero place service id was appended

	TInt sericeId = aMessage.Int0();

	TInt unreadCount = 0;

	TInt headerCount = iHeaderArray.Count();

	for( TInt i=0; i< headerCount; i++ )

		{

		// note in this case reciepient is own user id 

		MIMCacheMessageHeader* header = iHeaderArray[i];

		if( header->ServiceId() == sericeId ) 	

			{

			unreadCount = unreadCount + header->UnreadMessageCount();	

			}

		}

	TPckgC<TInt> pack( unreadCount );

   	aMessage.WriteL( 1, pack );

    TRACE( T_LIT( "CCacheServerActiveHelper::GetAllUnreadMessageCountL	end") );

	}

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

// CCacheServerActiveHelper::StartNewConversationL

// (other items were commented in a header).

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

//

void CCacheServerActiveHelper::StartNewConversationL( const RMessage2& aMessage )

	{

	TRACE( T_LIT( "CCacheServerActiveHelper::StartNewConversationL	start") );

	// at zero place service id was appended

	TInt sericeId = aMessage.Int0();

	// at index 1 sender was appended

	TInt bufferSize( aMessage.GetDesLength( 1 ) );

	HBufC* buddyId = HBufC::NewLC( bufferSize );

	TPtr buddyIdPtr = buddyId->Des();

	aMessage.ReadL( 1, buddyIdPtr );

	TInt messageCount = 0;

	MIMCacheMessageHeader* chatHeader = ChatHeaderL( sericeId, buddyIdPtr );

	if( chatHeader == NULL ) //if match is not found

		{

		TRACE( T_LIT( "CCacheServerActiveHelper::StartNewConversationL	Fresh conversation") );

		chatHeader = iMessageFactory->CreateIMCacheMessageHeaderL(sericeId, buddyIdPtr );

		// insert always on top

		iHeaderArray.InsertL(chatHeader , 0);

		iActiveHeader = chatHeader;

		chatHeader->SetChatStarted(ETrue);

		PackAndNotifyEventL( EIMOperationChatStarted, sericeId, iActiveHeader , NULL );	

		}

	else  if( !chatHeader->IsChatStarted() ) //if match is found

		{

		TRACE( T_LIT( "CCacheServerActiveHelper::StartNewConversationL	existing conversation") );

		chatHeader->SetChatStarted(ETrue);

		iActiveHeader = chatHeader ;

		iActiveHeader->MarkAllRead();

		messageCount = iActiveHeader->MessageCount();

		if( messageCount ) 

			{

			PackAndNotifyEventL(EIMOperationFetchAll, sericeId, iActiveHeader, NULL );

			// still fetching is not completed, until EIMOperationCompleted 

			}

		TRACE( T_LIT( "CCacheServerActiveHelper::StartNewConversationL start fetching") );

		}

	else

		{

		iActiveHeader = chatHeader;

		iActiveHeader->MarkAllRead();

		PackAndNotifyEventL(EIMOperationUnreadChange, sericeId, iActiveHeader , NULL );

		// once request is completed, mark as fetch completed

		}

	// if there are no unread messages then reset the status pane indicator.

	TInt unreadCount = 0;

    TInt headerCount = iHeaderArray.Count();

    for( TInt i=0; i< headerCount; i++ )

        {

        // note in this case reciepient is own user id 

        MIMCacheMessageHeader* header = iHeaderArray[i];

        if( header->ServiceId() == sericeId )   

            {

            }

        }

	CleanupStack::PopAndDestroy(buddyId);

    TRACE( T_LIT( "CCacheServerActiveHelper::StartNewConversationL	end") );

	}

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

// CCacheServerActiveHelper::AppendReceiveMessageL

// (other items were commented in a header).

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

//

void CCacheServerActiveHelper::AppendReceiveMessageL( const RMessage2 &aMessage )

	{

	TRACE( T_LIT( "CCacheServerActiveHelper::AppendReceiveMessageL	start") );

	// at zero pace service id was apended

	TInt sericeId = aMessage.Int0();

	// at index 1 sender was appended

	TInt bufferSize( aMessage.GetDesLength( 1 ) );

	HBufC* buddyId = HBufC::NewLC( bufferSize );

	TPtr buddyIdPtr = buddyId->Des();

	aMessage.ReadL( 1, buddyIdPtr );

	// at index 2 text was appended

	bufferSize = aMessage.GetDesLength( 2 ) ;

	HBufC* text = HBufC::NewLC( bufferSize );

	TPtr textPtr = text->Des();

	aMessage.ReadL( 2, textPtr );

	TRACE( T_LIT( "CCacheServerActiveHelper::AppendReceiveMessageL Msg %S"), &textPtr );

	MIMCacheMessageHeader* chatHeader = ChatHeaderL( sericeId, buddyIdPtr );

	CIMCacheMessageBase* newmessage = NULL;

	if( chatHeader == NULL ) //if match is not found

		{

		TRACE( T_LIT( "CCacheServerActiveHelper::AppendReceiveMessageL	Fresh conversation") );

		chatHeader = iMessageFactory->CreateIMCacheMessageHeaderL(sericeId, buddyIdPtr);

		// insert always on top

		iHeaderArray.InsertL(chatHeader , 0);

		newmessage = iMessageFactory->CreateCacheMessageL( textPtr );

		newmessage->SetMessageType( EIMCMessagePTOP );

		newmessage->SetMessagerType( EIMCMessageReceived );

		chatHeader->AppendMessageL(newmessage);

		PublishMessageInfoL(*buddyId,sericeId);

		// no notification so for this is for servicetab

		// here need to notify for all session

		// fresh conversation started

		PackAndNotifyEventL( EIMOperationChatAdded,	sericeId, chatHeader ,newmessage );		

		}

	else  // chat found

		{

		TRACE( T_LIT( "CCacheServerActiveHelper::AppendReceiveMessageL	existing conversation") );

		// this is called from network side 

		// here we dont know about ui client wheather this active conversation is active or not. 

		newmessage = iMessageFactory->CreateCacheMessageL( textPtr );

		newmessage->SetMessageType( EIMCMessagePTOP );

		newmessage->SetMessagerType( EIMCMessageReceived );

		chatHeader->AppendMessageL(newmessage);

		// notify all registeed session about this changed

		// this has happened on active conversation

		if( chatHeader == iActiveHeader )

			{

			//cv tab is active notify it.

			PackAndNotifyEventL( EIMOperationMessageAdded, sericeId, chatHeader, newmessage );

			}

		else 

			{

			PublishMessageInfoL(*buddyId,sericeId);

			//cv tab is not active notify it.

			PackAndNotifyEventL( EIMOperationUnreadMessage, sericeId, chatHeader , newmessage );	

			}

		}	

	CleanupStack::PopAndDestroy(2);//text,buddyId

	//	else TODO mark unread messagesinto buffer

	TRACE( T_LIT( "CCacheServerActiveHelper::AppendReceiveMessageL	end") );

	}

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

// CCacheServerActiveHelper::AppendSendMessageL

// (other items were commented in a header).

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

//

void CCacheServerActiveHelper::AppendSendMessageL( const RMessage2 &aMessage )

	{

	TRACE( T_LIT( "CCacheServerActiveHelper::AppendSendMessageL	start") );

	// at index 0 text was appended

	TInt bufferSize = aMessage.GetDesLength( 0 ) ;

	HBufC* text = HBufC::NewLC( bufferSize );

	TPtr textPtr = text->Des();

	aMessage.ReadL( 0, textPtr );

	TRACE( T_LIT( "CCacheServerActiveHelper::AppendSendMessageL Msg %S"), &textPtr );

	if( iActiveHeader )

		{

		CIMCacheMessageBase* message = iMessageFactory->CreateCacheMessageL( textPtr );

		message->SetMessageType( EIMCMessagePTOP );

		message->SetMessagerType( EIMCMessageSent );

		message->SetRead();	

		iActiveHeader->AppendMessageL(message);

		}

	CleanupStack::PopAndDestroy(text); // text

	TRACE( T_LIT( "CCacheServerActiveHelper::AppendSendMessageL	end") );

	}

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

// CCacheServerActiveHelper::AppendMessageL

// (other items were commented in a header).

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

//

void CCacheServerActiveHelper::AppendMessageL( const RMessage2 &aMessage )

	{

	TRACE( T_LIT( "CCacheServerActiveHelper::AppendMessageL	start") );

	// this is get called from active conversation only.

	// this append the normal information message , 

	// please note, this is not sent/recieved message

	// at 0 place text was appended

	// this is get called from conversation only system emssage

	// will get addded when buddy presence changes.

	TInt sericeId = aMessage.Int0();

	// at index 1 sender was appended

	TInt bufferSize( aMessage.GetDesLength( 1 ) );

	HBufC* buddyId = HBufC::NewLC( bufferSize );

	TPtr buddyIdPtr = buddyId->Des();

	aMessage.ReadL( 1, buddyIdPtr );

	// at index 2 text was appended

	bufferSize = aMessage.GetDesLength( 2 ) ;

	HBufC* text = HBufC::NewLC( bufferSize );

	TPtr textPtr = text->Des();

	aMessage.ReadL( 2, textPtr );

	TRACE( T_LIT( "CCacheServerActiveHelper::AppendSendMessageL Msg %S"), &textPtr );

	MIMCacheMessageHeader* chatHeader = ChatHeaderL( sericeId, buddyIdPtr );

	if( chatHeader != NULL )

		{

		CIMCacheMessageBase* message = iMessageFactory->CreateCacheMessageL( textPtr );

		message->SetMessageType( EIMCMessageSystem );

		message->SetMessagerType( EIMCMessageOther );

		message->SetRead();		

		chatHeader->AppendMessageL(message);

		}

	CleanupStack::PopAndDestroy(2); //buddyId, text

	TRACE( T_LIT( "CCacheServerActiveHelper::AppendMessageL	end") );

	}

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

// CCacheServerActiveHelper::CloseConversationL

// (other items were commented in a header).

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

//

void CCacheServerActiveHelper::CloseConversationL( const RMessage2 &aMessage )

    {

    TRACE( T_LIT( "CCacheServerActiveHelper::CloseConversationL  start") );

    // at zero pace service id was apended

    TInt sericeId = aMessage.Int0();

    // at index 1 sender was appended

    TInt bufferSize( aMessage.GetDesLength( 1 ) );

    HBufC* buddyId = HBufC::NewLC( bufferSize );

    TPtr buddyIdPtr = buddyId->Des();

    aMessage.ReadL( 1, buddyIdPtr );

    TInt headerIndex = iMessageFactory->FindHeaderIndexL(iHeaderArray, sericeId, buddyIdPtr ) ;

    if( headerIndex != KErrNotFound ) //if match is found

        {

        MIMCacheMessageHeader* msgHeader = iHeaderArray[headerIndex];

        iHeaderArray.Remove(headerIndex);

        if(msgHeader == iActiveHeader)

            {

            iActiveHeader = NULL;

            }

        // remove the universal indicator notification if there are no more unread messages,

        // apart form whose conversation is closed. loop through

        TInt headerCount = iHeaderArray.Count();

        headerIndex = KErrNotFound;

        for( TInt i=0; i<  headerCount; i++ )

            {

            // note in this case reciepient is own user id 

            MIMCacheMessageHeader* header = iHeaderArray[i];

            TRACE(T_LIT( "CCacheServerActiveHelper::PublishMessageInfoL UnreadMessageCount -- %d"), header->UnreadMessageCount());

            if(  header->ServiceId() == sericeId && header->UnreadMessageCount() )   

                {

                // this is required in the following scenario

                // you receive 10 new messgaes form two parties(5, each)

                // whne you close the conversation form one, the universal indicator is still 

                // for the other party's messages, and when clicked on universal indicator it should

                // open the conversation view wiht the latest user id.

                headerIndex = i;

                }

            }

        // there are new messages received form only one party.

        // hence the buddyid is required as conversation view will be openend.

        if(KErrNone == headerIndex)

            {

            PublishMessageInfoL(iHeaderArray[headerIndex]->BuddyId(), sericeId, ETrue);

            }

        // new messages are recieved from multiple parties, hence no need of the sender id

        // as the service tab will be opened.

        else

            {

            PublishMessageInfoL(KNullDesC(), sericeId,ETrue);

            }

		PackAndNotifyEventL( EIMOperationChatDeleted, sericeId, msgHeader, NULL ); 

        delete msgHeader;

        iHeaderArray.Compress();  

        }  

     CleanupStack::PopAndDestroy(buddyId); // buddyId

    TRACE( T_LIT( "CCacheServerActiveHelper::CloseConversationL  end") );

    }

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

// CCacheServerActiveHelper::CloseAllConversationL

// (other items were commented in a header).

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

//

void CCacheServerActiveHelper::CloseAllConversationL( TInt aServiceId )

    {

    TRACE( T_LIT( "CCacheServerActiveHelper::CloseAllConversationL  start") );

    TBool needToNotify = EFalse;

    for( TInt index=0; index<iHeaderArray.Count();index++ )

        {

        MIMCacheMessageHeader* msgHeader = iHeaderArray[index];

        if( msgHeader->ServiceId() == aServiceId )

            {

            iHeaderArray.Remove(index);

            if(msgHeader == iActiveHeader)

                {

                iActiveHeader = NULL;

                }

            delete msgHeader;

            msgHeader = NULL;

            iHeaderArray.Compress();

            index = index-1;// start from same index again

            needToNotify = ETrue;

            }

        }

    if( needToNotify )

        {

        // remove the universal indicator notification if there it was displayed,

        // as when you logout all the ocnversations are removed.

        PublishMessageInfoL(KNullDesC(), aServiceId, ETrue);

        PackAndNotifyEventL( EIMOperationAllChatDeleted, aServiceId, NULL, NULL ); 

        }

    TRACE( T_LIT( "CCacheServerActiveHelper::CloseAllConversationL  End") );

    }

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

// CCacheServerActiveHelper::DeactivateConversationL

// (other items were commented in a header).