// kmacctlocal.cpp

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "kmacctlocal.h"
#include "kmfoldermbox.h"
#include "kmacctfolder.h"
#include "kmbroadcaststatus.h"
#include "kmfoldermgr.h"

#include <kapplication.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kdebug.h>
#include <kconfig.h>

#include <qfileinfo.h>

#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <assert.h>

//-----------------------------------------------------------------------------
KMAcctLocal::KMAcctLocal(KMAcctMgr* aOwner, const QString& aAccountName, uint id):
  KMAccount(aOwner, aAccountName, id)
{
  mLock = procmail_lockfile;
}


//-----------------------------------------------------------------------------
KMAcctLocal::~KMAcctLocal()
{
}


//-----------------------------------------------------------------------------
QString KMAcctLocal::type(void) const
{
  return "local";
}


//-----------------------------------------------------------------------------
void KMAcctLocal::init() {
  KMAccount::init();
}


//-----------------------------------------------------------------------------
void KMAcctLocal::pseudoAssign( const KMAccount * a )
{
  KMAccount::pseudoAssign( a );

  const KMAcctLocal * l = dynamic_cast<const KMAcctLocal*>( a );
  if ( !l ) return;

  setLocation( l->location() );
  setLockType( l->lockType() );
  setProcmailLockFileName( l->procmailLockFileName() );
}

//-----------------------------------------------------------------------------
void KMAcctLocal::processNewMail(bool)
{
  QTime t;
  hasNewMail = false;

  if ( precommand().isEmpty() ) {
    QFileInfo fi( location() );
    if ( fi.size() == 0 ) {
      KMBroadcastStatus::instance()->setStatusMsgTransmissionCompleted( 0 );
      checkDone( hasNewMail, CheckOK );
      return;
    }
  }

  KMFolder mailFolder(0, location(), KMFolderTypeMbox);
  static_cast<KMFolderMbox*>(mailFolder.storage())->setLockType( mLock );
  if ( mLock == procmail_lockfile)
    static_cast<KMFolderMbox*>(mailFolder.storage())->setProcmailLockFileName( mProcmailLockFileName );

  long num = 0;
  long i;
  int rc;
  KMMessage* msg;
  bool addedOk;

  if (!mFolder) {
    checkDone( hasNewMail, CheckError );
    KMBroadcastStatus::instance()->setStatusMsg( i18n( "Transmission failed." ));
    return;
  }

  //KMBroadcastStatus::instance()->reset();
  KMBroadcastStatus::instance()->setStatusMsg(
	i18n("Preparing transmission from \"%1\"...").arg(mName));

  // run the precommand
  if (!runPrecommand(precommand()))
  {
    kdDebug(5006) << "cannot run precommand " << precommand() << endl;
    checkDone( hasNewMail, CheckError );
  }

  mailFolder.setAutoCreateIndex(FALSE);

  rc = mailFolder.open();
  if (rc)
  {
    QString aStr;
    aStr = i18n("Cannot open file:");
    aStr += mailFolder.path()+"/"+mailFolder.name();
    KMessageBox::sorry(0, aStr);
    kdDebug(5006) << "cannot open file " << mailFolder.path() << "/"
      << mailFolder.name() << endl;
    checkDone( hasNewMail, CheckError );
    KMBroadcastStatus::instance()->setStatusMsg( i18n( "Transmission failed." ));
    return;
  }

  if (mailFolder.isReadOnly()) { // mailFolder is locked
    kdDebug(5006) << "mailFolder could not be locked" << endl;
    mailFolder.close();
    checkDone( hasNewMail, CheckError );
    QString errMsg = i18n( "Transmission failed: Could not lock %1." )
      .arg( mailFolder.location() );
    KMBroadcastStatus::instance()->setStatusMsg( errMsg );
    return;
  }

  mFolder->open();

  num = mailFolder.count();

  addedOk = true;
  t.start();

  // prepare the static parts of the status message:
  QString statusMsgStub = i18n("Moving message %3 of %2 from %1.")
    .arg(mailFolder.location()).arg(num);

  //KMBroadcastStatus::instance()->setStatusProgressEnable( "L" + mName, true );
  for (i=0; i<num; i++)
  {

    if (!addedOk) break;

    /* This causes mail eating
    if (kmkernel->mailCheckAborted()) break; */

    QString statusMsg = statusMsgStub.arg(i);
    KMBroadcastStatus::instance()->setStatusMsg( statusMsg );
    //KMBroadcastStatus::instance()->setStatusProgressPercent( "L" + mName, (i*100) / num );

    msg = mailFolder.take(0);
    if (msg)
    {
#if 0
      // debug code, don't remove
      QFile fileD0( "testdat_xx-0-0" );
      if( fileD0.open( IO_WriteOnly ) ) {
        QCString s = msg->asString();
        uint l = s.length();
        if ( l > 0 ) {
          QDataStream ds( &fileD0 );
          ds.writeRawBytes( s.data(), l );
        }
        fileD0.close();  // If data is 0 we just create a zero length file.
      }
#endif
      msg->setStatus(msg->headerField("Status").latin1(),
        msg->headerField("X-Status").latin1());
      msg->setEncryptionStateChar( msg->headerField( "X-KMail-EncryptionState" ).at(0) );
      msg->setSignatureStateChar( msg->headerField( "X-KMail-SignatureState" ).at(0));
      msg->setComplete(true);
      msg->updateAttachmentState();

      addedOk = processNewMsg(msg);

      if (addedOk)
        hasNewMail = true;
    }

    if (t.elapsed() >= 200) { //hardwired constant
      kapp->processEvents();
      t.start();
    }

  }
  //KMBroadcastStatus::instance()->setStatusProgressEnable( "L" + mName, false );
  //KMBroadcastStatus::instance()->reset();

  if (addedOk)
  {
    kmkernel->folderMgr()->syncAllFolders();
    rc = mailFolder.expunge();
    if (rc)
      KMessageBox::queuedMessageBox( 0, KMessageBox::Information,
                                     i18n( "<qt>Cannot remove mail from "
                                           "mailbox <b>%1</b>:<br>%2</qt>" )
                                     .arg( mailFolder.location() )
                                     .arg( strerror( rc ) ) );
    KMBroadcastStatus::instance()->setStatusMsgTransmissionCompleted( num );
  }
  // else warning is written already

  mailFolder.close();
  mFolder->close();

  checkDone( hasNewMail, CheckOK );

  return;
}


//-----------------------------------------------------------------------------
void KMAcctLocal::readConfig(KConfig& config)
{
  KMAccount::readConfig(config);
  mLocation = config.readPathEntry("Location", mLocation);
  QString locktype = config.readEntry("LockType", "procmail_lockfile" );

  if( locktype == "procmail_lockfile" ) {
    mLock = procmail_lockfile;
    mProcmailLockFileName = config.readEntry("ProcmailLockFile",
      mLocation + ".lock");
  } else if( locktype == "mutt_dotlock" )
    mLock = mutt_dotlock;
  else if( locktype == "mutt_dotlock_privileged" )
    mLock = mutt_dotlock_privileged;
  else if( locktype == "none" )
    mLock = lock_none;
  else mLock = FCNTL;
}


//-----------------------------------------------------------------------------
void KMAcctLocal::writeConfig(KConfig& config)
{
  KMAccount::writeConfig(config);

  config.writePathEntry("Location", mLocation);

  QString st = "fcntl";
  if (mLock == procmail_lockfile) st = "procmail_lockfile";
  else if (mLock == mutt_dotlock) st = "mutt_dotlock";
  else if (mLock == mutt_dotlock_privileged) st = "mutt_dotlock_privileged";
  else if (mLock == lock_none) st = "none";
  config.writeEntry("LockType", st);

  if (mLock == procmail_lockfile) {
    config.writeEntry("ProcmailLockFile", mProcmailLockFileName);
  }

}


//-----------------------------------------------------------------------------
void KMAcctLocal::setLocation(const QString& aLocation)
{
    mLocation = aLocation;
}

void KMAcctLocal::setProcmailLockFileName(const QString& s)
{
    mProcmailLockFileName = s;
}