/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */

/*
  Outlook Express (Win32) import mail and addressbook interfaces
*/
#include "nscore.h"
#include "nsStringGlue.h"
#include "nsMsgUtils.h"
#include "nsIServiceManager.h"
#include "nsIImportService.h"
#include "nsIComponentManager.h"
#include "nsOutlookImport.h"
#include "nsIMemory.h"
#include "nsIImportService.h"
#include "nsIImportMail.h"
#include "nsIImportMailboxDescriptor.h"
#include "nsIImportGeneric.h"
#include "nsIImportAddressBooks.h"
#include "nsIImportABDescriptor.h"
#include "nsIImportFieldMap.h"
#include "nsXPCOM.h"
#include "nsISupportsPrimitives.h"
#include "nsIOutputStream.h"
#include "nsIAddrDatabase.h"
#include "nsOutlookSettings.h"
#include "nsTextFormatter.h"
#include "nsOutlookStringBundle.h"
#include "nsIStringBundle.h"
#include "OutlookDebugLog.h"
#include "nsUnicharUtils.h"

#include "nsOutlookMail.h"

#include "MapiApi.h"

static NS_DEFINE_IID(kISupportsIID,      NS_ISUPPORTS_IID);
PRLogModuleInfo *OUTLOOKLOGMODULE = nullptr;

class ImportOutlookMailImpl : public nsIImportMail
{
public:
  ImportOutlookMailImpl();

  static nsresult Create(nsIImportMail** aImport);

  // nsISupports interface
  NS_DECL_THREADSAFE_ISUPPORTS

  // nsIImportmail interface

  /* void GetDefaultLocation (out nsIFile location, out boolean found, out boolean userVerify); */
  NS_IMETHOD GetDefaultLocation(nsIFile **location, bool *found, bool *userVerify);

  /* nsIArray FindMailboxes (in nsIFile location); */
  NS_IMETHOD FindMailboxes(nsIFile *location, nsIArray **_retval);

  NS_IMETHOD ImportMailbox(nsIImportMailboxDescriptor *source,
                           nsIMsgFolder *dstFolder,
                           char16_t **pErrorLog, char16_t **pSuccessLog,
                           bool *fatalError);

  /* unsigned long GetImportProgress (); */
  NS_IMETHOD GetImportProgress(uint32_t *_retval);

  NS_IMETHOD TranslateFolderName(const nsAString & aFolderName, nsAString & _retval);

public:
  static void  ReportSuccess(nsString& name, int32_t count, nsString *pStream);
  static void ReportError(int32_t errorNum, nsString& name, nsString *pStream);
  static void  AddLinebreak(nsString *pStream);
  static void  SetLogs(nsString& success, nsString& error, char16_t **pError, char16_t **pSuccess);

private:
  virtual ~ImportOutlookMailImpl();
  nsOutlookMail  m_mail;
  uint32_t    m_bytesDone;
};


class ImportOutlookAddressImpl : public nsIImportAddressBooks
{
public:
  ImportOutlookAddressImpl();

  static nsresult Create(nsIImportAddressBooks** aImport);

  // nsISupports interface
  NS_DECL_THREADSAFE_ISUPPORTS

  // nsIImportAddressBooks interface

  NS_IMETHOD GetSupportsMultiple(bool *_retval) { *_retval = true; return NS_OK;}

  NS_IMETHOD GetAutoFind(char16_t **description, bool *_retval);

  NS_IMETHOD GetNeedsFieldMap(nsIFile *location, bool *_retval) { *_retval = false; return NS_OK;}

  NS_IMETHOD GetDefaultLocation(nsIFile **location, bool *found, bool *userVerify)
    { return NS_ERROR_FAILURE;}

  NS_IMETHOD FindAddressBooks(nsIFile *location, nsIArray **_retval);

  NS_IMETHOD InitFieldMap(nsIImportFieldMap *fieldMap)
    { return NS_ERROR_FAILURE; }

  NS_IMETHOD ImportAddressBook(nsIImportABDescriptor *source,
                               nsIAddrDatabase *destination,
                               nsIImportFieldMap *fieldMap,
                               nsISupports *aSupportService,
                               char16_t **errorLog,
                               char16_t **successLog,
                               bool *fatalError);

  NS_IMETHOD GetImportProgress(uint32_t *_retval);

  NS_IMETHOD GetSampleData(int32_t index, bool *pFound, char16_t **pStr)
    { return NS_ERROR_FAILURE;}

  NS_IMETHOD SetSampleLocation(nsIFile *) { return NS_OK; }

private:
  virtual ~ImportOutlookAddressImpl();
  void  ReportSuccess(nsString& name, nsString *pStream);

private:
  uint32_t    m_msgCount;
  uint32_t    m_msgTotal;
  nsOutlookMail  m_address;
};
////////////////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////////////////


nsOutlookImport::nsOutlookImport()
{
  // Init logging module.
  if (!OUTLOOKLOGMODULE)
    OUTLOOKLOGMODULE = PR_NewLogModule("IMPORT");

  IMPORT_LOG0("nsOutlookImport Module Created\n");

  nsOutlookStringBundle::GetStringBundle();
}


nsOutlookImport::~nsOutlookImport()
{
  IMPORT_LOG0("nsOutlookImport Module Deleted\n");
}

NS_IMPL_ISUPPORTS(nsOutlookImport, nsIImportModule)

NS_IMETHODIMP nsOutlookImport::GetName(char16_t **name)
{
  NS_PRECONDITION(name != nullptr, "null ptr");
  if (! name)
    return NS_ERROR_NULL_POINTER;

  *name = nsOutlookStringBundle::GetStringByID(OUTLOOKIMPORT_NAME);
  return NS_OK;
}

NS_IMETHODIMP nsOutlookImport::GetDescription(char16_t **name)
{
  NS_PRECONDITION(name != nullptr, "null ptr");
  if (!name)
    return NS_ERROR_NULL_POINTER;

  *name = nsOutlookStringBundle::GetStringByID(OUTLOOKIMPORT_DESCRIPTION);

  return NS_OK;
}

NS_IMETHODIMP nsOutlookImport::GetSupports(char **supports)
{
  NS_PRECONDITION(supports != nullptr, "null ptr");
  if (! supports)
    return NS_ERROR_NULL_POINTER;

  *supports = strdup(kOutlookSupportsString);
  return NS_OK;
}

NS_IMETHODIMP nsOutlookImport::GetSupportsUpgrade(bool *pUpgrade)
{
  NS_PRECONDITION(pUpgrade != nullptr, "null ptr");
  if (! pUpgrade)
    return NS_ERROR_NULL_POINTER;

  *pUpgrade = true;
  return NS_OK;
}

NS_IMETHODIMP nsOutlookImport::GetImportInterface(const char *pImportType, nsISupports **ppInterface)
{
  NS_PRECONDITION(pImportType != nullptr, "null ptr");
  if (! pImportType)
    return NS_ERROR_NULL_POINTER;
  NS_PRECONDITION(ppInterface != nullptr, "null ptr");
  if (! ppInterface)
    return NS_ERROR_NULL_POINTER;

  *ppInterface = nullptr;
  nsresult  rv;
  if (!strcmp(pImportType, "mail")) {
    // create the nsIImportMail interface and return it!
    nsIImportMail *  pMail = nullptr;
    nsIImportGeneric *pGeneric = nullptr;
    rv = ImportOutlookMailImpl::Create(&pMail);
    if (NS_SUCCEEDED(rv)) {
      nsCOMPtr<nsIImportService> impSvc(do_GetService(NS_IMPORTSERVICE_CONTRACTID, &rv));
      if (NS_SUCCEEDED(rv)) {
        rv = impSvc->CreateNewGenericMail(&pGeneric);
        if (NS_SUCCEEDED(rv)) {
          pGeneric->SetData("mailInterface", pMail);
          nsString name;
          nsOutlookStringBundle::GetStringByID(OUTLOOKIMPORT_NAME, name);
          nsCOMPtr<nsISupportsString> nameString (do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv));
          if (NS_SUCCEEDED(rv)) {
            nameString->SetData(name);
            pGeneric->SetData("name", nameString);
            rv = pGeneric->QueryInterface(kISupportsIID, (void **)ppInterface);
          }
        }
      }
    }
    NS_IF_RELEASE(pMail);
    NS_IF_RELEASE(pGeneric);
    return rv;
  }

  if (!strcmp(pImportType, "addressbook")) {
    // create the nsIImportAddressBook interface and return it!
    nsIImportAddressBooks *  pAddress = nullptr;
    nsIImportGeneric *    pGeneric = nullptr;
    rv = ImportOutlookAddressImpl::Create(&pAddress);
    if (NS_SUCCEEDED(rv)) {
      nsCOMPtr<nsIImportService> impSvc(do_GetService(NS_IMPORTSERVICE_CONTRACTID, &rv));
      if (NS_SUCCEEDED(rv)) {
        rv = impSvc->CreateNewGenericAddressBooks(&pGeneric);
        if (NS_SUCCEEDED(rv)) {
          pGeneric->SetData("addressInterface", pAddress);
          rv = pGeneric->QueryInterface(kISupportsIID, (void **)ppInterface);
        }
      }
    }
    NS_IF_RELEASE(pAddress);
    NS_IF_RELEASE(pGeneric);
    return rv;
  }

  if (!strcmp(pImportType, "settings")) {
    nsIImportSettings *pSettings = nullptr;
    rv = nsOutlookSettings::Create(&pSettings);
    if (NS_SUCCEEDED(rv))
      pSettings->QueryInterface(kISupportsIID, (void **)ppInterface);
    NS_IF_RELEASE(pSettings);
    return rv;
  }

  return NS_ERROR_NOT_AVAILABLE;
}

/////////////////////////////////////////////////////////////////////////////////
nsresult ImportOutlookMailImpl::Create(nsIImportMail** aImport)
{
  NS_PRECONDITION(aImport != nullptr, "null ptr");
  if (! aImport)
    return NS_ERROR_NULL_POINTER;

  *aImport = new ImportOutlookMailImpl();
  if (! *aImport)
    return NS_ERROR_OUT_OF_MEMORY;

  NS_ADDREF(*aImport);
  return NS_OK;
}

ImportOutlookMailImpl::ImportOutlookMailImpl()
{
  nsOutlookCompose::CreateIdentity();
}

ImportOutlookMailImpl::~ImportOutlookMailImpl()
{
  nsOutlookCompose::ReleaseIdentity();
}

NS_IMPL_ISUPPORTS(ImportOutlookMailImpl, nsIImportMail)

NS_IMETHODIMP ImportOutlookMailImpl::GetDefaultLocation(nsIFile **ppLoc, bool *found, bool *userVerify)
{
  NS_PRECONDITION(ppLoc != nullptr, "null ptr");
  NS_PRECONDITION(found != nullptr, "null ptr");
  NS_PRECONDITION(userVerify != nullptr, "null ptr");
  if (!ppLoc || !found || !userVerify)
    return NS_ERROR_NULL_POINTER;

  *found = false;
  *ppLoc = nullptr;
  *userVerify = false;
  // We need to verify here that we can get the mail, if true then
  // return a dummy location, otherwise return no location
  CMapiApi  mapi;
  if (!mapi.Initialize())
    return NS_OK;
  if (!mapi.LogOn())
    return NS_OK;

  CMapiFolderList  store;
  if (!mapi.IterateStores(store))
    return NS_OK;

  if (store.GetSize() == 0)
    return NS_OK;


  nsresult  rv;
  nsCOMPtr <nsIFile> resultFile = do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv);
  if (NS_FAILED(rv))
    return rv;

  *found = true;
  NS_IF_ADDREF(*ppLoc = resultFile);
  *userVerify = false;

  return NS_OK;
}


NS_IMETHODIMP ImportOutlookMailImpl::FindMailboxes(nsIFile *pLoc, nsIArray **ppArray)
{
  NS_PRECONDITION(pLoc != nullptr, "null ptr");
  NS_PRECONDITION(ppArray != nullptr, "null ptr");
  if (!pLoc || !ppArray)
    return NS_ERROR_NULL_POINTER;
  return m_mail.GetMailFolders(ppArray);
}

void ImportOutlookMailImpl::AddLinebreak(nsString *pStream)
{
  if (pStream)
    pStream->Append(char16_t('\n'));
}

void ImportOutlookMailImpl::ReportSuccess(nsString& name, int32_t count, nsString *pStream)
{
  if (!pStream)
    return;
  // load the success string
  char16_t *pFmt = nsOutlookStringBundle::GetStringByID(OUTLOOKIMPORT_MAILBOX_SUCCESS);
  char16_t *pText = nsTextFormatter::smprintf(pFmt, name.get(), count);
  pStream->Append(pText);
  nsTextFormatter::smprintf_free(pText);
  nsOutlookStringBundle::FreeString(pFmt);
  AddLinebreak(pStream);
}

void ImportOutlookMailImpl::ReportError(int32_t errorNum, nsString& name, nsString *pStream)
{
  if (!pStream)
    return;
  // load the error string
  char16_t *pFmt = nsOutlookStringBundle::GetStringByID(errorNum);
  char16_t *pText = nsTextFormatter::smprintf(pFmt, name.get());
  pStream->Append(pText);
  nsTextFormatter::smprintf_free(pText);
  nsOutlookStringBundle::FreeString(pFmt);
  AddLinebreak(pStream);
}


void ImportOutlookMailImpl::SetLogs(nsString& success, nsString& error, char16_t **pError, char16_t **pSuccess)
{
  if (pError)
    *pError = ToNewUnicode(error);
  if (pSuccess)
    *pSuccess = ToNewUnicode(success);
}

NS_IMETHODIMP
ImportOutlookMailImpl::ImportMailbox(nsIImportMailboxDescriptor *pSource,
                                     nsIMsgFolder *dstFolder,
                                     char16_t **pErrorLog,
                                     char16_t **pSuccessLog,
                                     bool *fatalError)
{
  NS_ENSURE_ARG_POINTER(pSource);
  NS_ENSURE_ARG_POINTER(dstFolder);
  NS_ENSURE_ARG_POINTER(fatalError);

  nsString  success;
  nsString  error;
  bool abort = false;
  nsString name;
  char16_t *pName;
  if (NS_SUCCEEDED( pSource->GetDisplayName( &pName))) {
    name = pName;
    NS_Free( pName);
 }

  uint32_t mailSize = 0;
  pSource->GetSize(&mailSize);
  if (mailSize == 0) {
    ReportSuccess(name, 0, &success);
    SetLogs(success, error, pErrorLog, pSuccessLog);
    return NS_OK;
  }

  uint32_t index = 0;
  pSource->GetIdentifier(&index);
  int32_t  msgCount = 0;
  nsresult rv = NS_OK;

  m_bytesDone = 0;

  rv = m_mail.ImportMailbox(&m_bytesDone, &abort, (int32_t)index, name.get(),
                            dstFolder, &msgCount);

  if (NS_SUCCEEDED(rv))
    ReportSuccess(name, msgCount, &success);
  else
    ReportError(OUTLOOKIMPORT_MAILBOX_CONVERTERROR, name, &error);

  SetLogs(success, error, pErrorLog, pSuccessLog);

  return rv;
}


NS_IMETHODIMP ImportOutlookMailImpl::GetImportProgress(uint32_t *pDoneSoFar)
{
  NS_PRECONDITION(pDoneSoFar != nullptr, "null ptr");
  if (! pDoneSoFar)
    return NS_ERROR_NULL_POINTER;

  *pDoneSoFar = m_bytesDone;
  return NS_OK;
}

NS_IMETHODIMP ImportOutlookMailImpl::TranslateFolderName(const nsAString & aFolderName, nsAString & _retval)
{
  if (aFolderName.LowerCaseEqualsLiteral("deleted items"))
    _retval = NS_LITERAL_STRING(kDestTrashFolderName);
  else if (aFolderName.LowerCaseEqualsLiteral("sent items"))
    _retval = NS_LITERAL_STRING(kDestSentFolderName);
  else if (aFolderName.LowerCaseEqualsLiteral("outbox"))
    _retval = NS_LITERAL_STRING(kDestUnsentMessagesFolderName);
  else
    _retval = aFolderName;
  return NS_OK;
}

nsresult ImportOutlookAddressImpl::Create(nsIImportAddressBooks** aImport)
{
  NS_PRECONDITION(aImport != nullptr, "null ptr");
  if (! aImport)
    return NS_ERROR_NULL_POINTER;

  *aImport = new ImportOutlookAddressImpl();
  if (! *aImport)
    return NS_ERROR_OUT_OF_MEMORY;

  NS_ADDREF(*aImport);
  return NS_OK;
}

ImportOutlookAddressImpl::ImportOutlookAddressImpl()
{
  m_msgCount = 0;
  m_msgTotal = 0;
}

ImportOutlookAddressImpl::~ImportOutlookAddressImpl()
{
}

NS_IMPL_ISUPPORTS(ImportOutlookAddressImpl, nsIImportAddressBooks)

NS_IMETHODIMP ImportOutlookAddressImpl::GetAutoFind(char16_t **description, bool *_retval)
{
  NS_PRECONDITION(description != nullptr, "null ptr");
  NS_PRECONDITION(_retval != nullptr, "null ptr");
  if (! description || !_retval)
    return NS_ERROR_NULL_POINTER;

  *_retval = true;
  nsString str;
  nsOutlookStringBundle::GetStringByID(OUTLOOKIMPORT_ADDRNAME, str);
  *description = ToNewUnicode(str);
  return NS_OK;
}

NS_IMETHODIMP ImportOutlookAddressImpl::FindAddressBooks(nsIFile *location, nsIArray **_retval)
{
  NS_PRECONDITION(_retval != nullptr, "null ptr");
  if (!_retval)
    return NS_ERROR_NULL_POINTER;

  return m_address.GetAddressBooks(_retval);
}

NS_IMETHODIMP ImportOutlookAddressImpl::ImportAddressBook(nsIImportABDescriptor *source,
                                                          nsIAddrDatabase *destination,
                                                          nsIImportFieldMap *fieldMap,
                                                          nsISupports *aSupportService,
                                                          char16_t **pErrorLog,
                                                          char16_t **pSuccessLog,
                                                          bool *fatalError)
{
  m_msgCount = 0;
  m_msgTotal = 0;
    NS_PRECONDITION(source != nullptr, "null ptr");
    NS_PRECONDITION(destination != nullptr, "null ptr");
  NS_PRECONDITION(fatalError != nullptr, "null ptr");

  nsString  success;
  nsString  error;
    if (!source || !destination || !fatalError) {
    IMPORT_LOG0("*** Bad param passed to outlook address import\n");
    nsOutlookStringBundle::GetStringByID(OUTLOOKIMPORT_ADDRESS_BADPARAM, error);
    if (fatalError)
      *fatalError = true;
    ImportOutlookMailImpl::SetLogs(success, error, pErrorLog, pSuccessLog);
      return NS_ERROR_NULL_POINTER;
  }

    nsString name;
    source->GetPreferredName(name);

  uint32_t  id;
  if (NS_FAILED(source->GetIdentifier(&id))) {
    ImportOutlookMailImpl::ReportError(OUTLOOKIMPORT_ADDRESS_BADSOURCEFILE, name, &error);
    ImportOutlookMailImpl::SetLogs(success, error, pErrorLog, pSuccessLog);
    return NS_ERROR_FAILURE;
  }

  nsresult rv = NS_OK;
  rv = m_address.ImportAddresses(&m_msgCount, &m_msgTotal, name.get(), id, destination, error);
  if (NS_SUCCEEDED(rv) && error.IsEmpty())
    ReportSuccess(name, &success);
  else
    ImportOutlookMailImpl::ReportError(OUTLOOKIMPORT_ADDRESS_CONVERTERROR, name, &error);

  ImportOutlookMailImpl::SetLogs(success, error, pErrorLog, pSuccessLog);
  IMPORT_LOG0("*** Returning from outlook address import\n");
  return destination->Commit(nsAddrDBCommitType::kLargeCommit);
}


NS_IMETHODIMP ImportOutlookAddressImpl::GetImportProgress(uint32_t *_retval)
{
  NS_PRECONDITION(_retval != nullptr, "null ptr");
  if (!_retval)
    return NS_ERROR_NULL_POINTER;

  uint32_t result = m_msgCount;
  if (m_msgTotal) {
    result *= 100;
    result /= m_msgTotal;
  }
  else
    result = 0;

  if (result > 100)
    result = 100;

  *_retval = result;

  return NS_OK;
}

void ImportOutlookAddressImpl::ReportSuccess(nsString& name, nsString *pStream)
{
  if (!pStream)
    return;
  // load the success string
  char16_t *pFmt = nsOutlookStringBundle::GetStringByID(OUTLOOKIMPORT_ADDRESS_SUCCESS);
  char16_t *pText = nsTextFormatter::smprintf(pFmt, name.get());
  pStream->Append(pText);
  nsTextFormatter::smprintf_free(pText);
  nsOutlookStringBundle::FreeString(pFmt);
  ImportOutlookMailImpl::AddLinebreak(pStream);
}