/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Initial Developer of the Original Code is 
 * Seth Spitzer <sspitzer@mozilla.org>
 * Portions created by the Initial Developer are Copyright (C) 2003
 * the Initial Developer. All Rights Reserved.
 *
 * The Original Code is vCard bridge code
 * 
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsMsgVCardService.h"
#include "nsIDOMWindowInternal.h"

#include "nsVCardObj.h"
#include "nsISupportsPrimitives.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIAbCard.h"
#include "nsIAddressBook.h"
#include "nsAbBaseCID.h"

#include "prmem.h"
#include "plstr.h"
    
#define FOUR_K 4096
    
NS_IMPL_ISUPPORTS1(nsMsgVCardService, nsIMsgVCardService)

nsMsgVCardService::nsMsgVCardService()
{
}

nsMsgVCardService::~nsMsgVCardService()
{
}

NS_IMETHODIMP_(void) nsMsgVCardService::CleanVObject(VObject * o)
{
    cleanVObject(o);
}

NS_IMETHODIMP_(VObject *) nsMsgVCardService::NextVObjectInList(VObject * o)
{
    return nextVObjectInList(o);
}

NS_IMETHODIMP_(VObject *) nsMsgVCardService::Parse_MIME(const char *input, PRUint32 len)
{
    return parse_MIME(input, (unsigned long)len);
}

NS_IMETHODIMP_(char *) nsMsgVCardService::FakeCString(VObject * o)
{
    return fakeCString(vObjectUStringZValue(o));
}

NS_IMETHODIMP_(VObject *) nsMsgVCardService::IsAPropertyOf(VObject * o, const char *id)
{
    return isAPropertyOf(o,id);
}

NS_IMETHODIMP_(char *) nsMsgVCardService::WriteMemoryVObjects(const char *s, PRInt32 *len, VObject * list, PRBool expandSpaces)
{
    return writeMemoryVObjects((char *)s, len, list, expandSpaces);
}

NS_IMETHODIMP_(VObject *) nsMsgVCardService::NextVObject(VObjectIterator * i)
{
    return nextVObject(i);
}

NS_IMETHODIMP_(void) nsMsgVCardService::InitPropIterator(VObjectIterator * i, VObject * o)
{
    initPropIterator(i,o);
}

NS_IMETHODIMP_(PRInt32) nsMsgVCardService::MoreIteration(VObjectIterator * i)
{
    return ((PRInt32)moreIteration(i));
}

NS_IMETHODIMP_(const char *) nsMsgVCardService::VObjectName(VObject * o)
{
    return vObjectName(o);
}

NS_IMETHODIMP_(char *) nsMsgVCardService::VObjectAnyValue(VObject * o)
{
    char *retval = (char *)PR_MALLOC(strlen((char *)vObjectAnyValue(o)) + 1);
    if (retval)
        PL_strcpy(retval, (char *) vObjectAnyValue(o));
    return retval;
}

// helper class used to process a stream of vcard data

NS_IMPL_ISUPPORTS1(nsMsgVCardStreamListener, nsIStreamListener)

nsMsgVCardStreamListener::nsMsgVCardStreamListener()
{
  m_dataBuffer = nsnull;
}

nsMsgVCardStreamListener::~nsMsgVCardStreamListener()
{
  PR_FREEIF(m_dataBuffer);
}

NS_IMETHODIMP
nsMsgVCardStreamListener::OnStartRequest(nsIRequest* request, nsISupports* aSupport)
{
  if (!m_dataBuffer)
    m_dataBuffer = (char*) PR_CALLOC(FOUR_K+1);
  return NS_OK;
}

NS_IMETHODIMP
nsMsgVCardStreamListener::OnStopRequest(nsIRequest* request, nsISupports* aSupport,
                                        nsresult status)
{
  NS_ENSURE_ARG_POINTER(aSupport);
  NS_ENSURE_SUCCESS(status, status); // don't process the vcard if we got a status error
  nsresult rv = NS_OK;

  // take our vCard string and open up an address book window based on it
  nsCOMPtr<nsIMsgVCardService> vCardService = do_GetService(NS_MSGVCARDSERVICE_CONTRACTID);
  if (vCardService)
  {
    VObject * vObj = vCardService->Parse_MIME(mVCardData.get(), mVCardData.Length());
    if (vObj)
    {
      nsCAutoString vCard;
      int len = 0;

      vCard.Adopt(vCardService->WriteMemoryVObjects(0, &len, vObj, PR_FALSE));
      delete vObj;

      nsCOMPtr<nsIDOMWindowInternal> parentWindow = do_GetInterface(aSupport);
      NS_ENSURE_TRUE(parentWindow, NS_ERROR_FAILURE);
            
      nsCOMPtr<nsIAddressBook> addressbook = do_CreateInstance(NS_ADDRESSBOOK_CONTRACTID, &rv);
      NS_ENSURE_SUCCESS(rv, rv);

      nsCOMPtr <nsIAbCard> cardFromVCard;
      rv = addressbook->EscapedVCardToAbCard(vCard.get(), getter_AddRefs(cardFromVCard));
      NS_ENSURE_SUCCESS(rv, rv);

      nsCOMPtr<nsISupportsInterfacePointer> ifptr = do_CreateInstance(NS_SUPPORTS_INTERFACE_POINTER_CONTRACTID, &rv);
      NS_ENSURE_SUCCESS(rv, rv);
        
      ifptr->SetData(cardFromVCard);
      ifptr->SetDataIID(&NS_GET_IID(nsIAbCard));

      nsCOMPtr<nsIDOMWindow> dialogWindow;

      rv = parentWindow->OpenDialog(
           NS_LITERAL_STRING("chrome://messenger/content/addressbook/abNewCardDialog.xul"),
           EmptyString(),
           NS_LITERAL_STRING("chrome,resizable=no,titlebar,modal,centerscreen"),
           ifptr, getter_AddRefs(dialogWindow));      
    }
  }

  PR_FREEIF(m_dataBuffer);

  return rv;
}

NS_IMETHODIMP nsMsgVCardStreamListener::OnDataAvailable(nsIRequest* request, nsISupports* aSupport,
                                                        nsIInputStream* inStream, 
                                                        PRUint32 srcOffset,
                                                        PRUint32 count)
{
  PRUint32 available, readCount, maxReadCount = FOUR_K;
  PRUint32 writeCount;
  nsresult rv = inStream->Available(&available);
  while (NS_SUCCEEDED(rv) && available)
  {
    if (maxReadCount > available)
      maxReadCount = available;
    memset(m_dataBuffer, 0, FOUR_K+1);
    rv = inStream->Read(m_dataBuffer, maxReadCount, &readCount);

    if (NS_SUCCEEDED(rv))  
    {
      // m_dataBuffer is null terminated so we can safely just append it to our vcard string
      mVCardData += m_dataBuffer;
      available -= readCount;
    }
  }

  return rv;
}