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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsAbMDBDirFactory.h"
#include "nsAbUtils.h"
#include "nsString.h"
#include "nsServiceManagerUtils.h"
#include "nsIFile.h"
#include "nsIAbManager.h"
#include "nsIAbMDBDirectory.h"
#include "nsAbMDBDirFactory.h"
#include "nsIAddrDatabase.h"
#include "nsEnumeratorUtils.h"
#include "nsIMutableArray.h"
#include "nsArrayUtils.h"
#include "nsAbBaseCID.h"

NS_IMPL_ISUPPORTS(nsAbMDBDirFactory, nsIAbDirFactory)

nsAbMDBDirFactory::nsAbMDBDirFactory() {}

nsAbMDBDirFactory::~nsAbMDBDirFactory() {}

NS_IMETHODIMP nsAbMDBDirFactory::GetDirectories(const nsAString &aDirName,
                                                const nsACString &aURI,
                                                const nsACString &aPrefName,
                                                nsISimpleEnumerator **_retval) {
  NS_ENSURE_ARG_POINTER(_retval);

  nsresult rv;

  nsCOMPtr<nsIAbManager> abManager =
      do_GetService(NS_ABMANAGER_CONTRACTID, &rv);
  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsIAbDirectory> directory;
  rv = abManager->GetDirectory(aURI, getter_AddRefs(directory));
  NS_ENSURE_SUCCESS(rv, rv);

  rv = directory->SetDirPrefId(aPrefName);
  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsIFile> dbPath;
  rv = abManager->GetUserProfileDirectory(getter_AddRefs(dbPath));

  nsCOMPtr<nsIAddrDatabase> listDatabase;
  if (NS_SUCCEEDED(rv)) {
    nsAutoCString fileName;

    if (StringBeginsWith(aURI, NS_LITERAL_CSTRING(kMDBDirectoryRoot)))
      fileName = Substring(aURI, kMDBDirectoryRootLen,
                           aURI.Length() - kMDBDirectoryRootLen);

    rv = dbPath->AppendNative(fileName);
    NS_ENSURE_SUCCESS(rv, rv);

    nsCOMPtr<nsIAddrDatabase> addrDBFactory =
        do_GetService(NS_ADDRDATABASE_CONTRACTID, &rv);
    NS_ENSURE_SUCCESS(rv, rv);

    rv = addrDBFactory->Open(dbPath, true, true, getter_AddRefs(listDatabase));
  }
  NS_ENSURE_SUCCESS(rv, rv);

  rv = listDatabase->GetMailingListsFromDB(directory);
  NS_ENSURE_SUCCESS(rv, rv);

  return NS_NewSingletonEnumerator(_retval, directory);
}

/* void deleteDirectory (in nsIAbDirectory directory); */
NS_IMETHODIMP nsAbMDBDirFactory::DeleteDirectory(nsIAbDirectory *directory) {
  if (!directory) return NS_ERROR_NULL_POINTER;

  nsresult rv = NS_OK;

  nsCOMPtr<nsIMutableArray> pAddressLists;
  rv = directory->GetAddressLists(getter_AddRefs(pAddressLists));
  NS_ENSURE_SUCCESS(rv, rv);

  uint32_t total;
  rv = pAddressLists->GetLength(&total);
  NS_ENSURE_SUCCESS(rv, rv);

  for (uint32_t i = 0; i < total; i++) {
    nsCOMPtr<nsIAbDirectory> listDir(do_QueryElementAt(pAddressLists, i, &rv));
    if (NS_FAILED(rv)) break;

    nsCOMPtr<nsIAbMDBDirectory> dblistDir(do_QueryInterface(listDir, &rv));
    if (NS_FAILED(rv)) break;

    rv = directory->DeleteDirectory(listDir);
    if (NS_FAILED(rv)) break;

    rv = dblistDir->RemoveElementsFromAddressList();
    if (NS_FAILED(rv)) break;
  }
  pAddressLists->Clear();

  nsCOMPtr<nsIAbMDBDirectory> dbdirectory(do_QueryInterface(directory, &rv));
  NS_ENSURE_SUCCESS(rv, rv);

  return dbdirectory->ClearDatabase();
}