/****************************************************************
 *  RShare is distributed under the following license:
 *
 *  Copyright (C) 2006, crypton
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, 
 *  Boston, MA  02110-1301, USA.
 ****************************************************************/


#include "rshare.h"
#include "SharedFilesDialog.h"
#include "Preferences/AddFileAssotiationDialog.h"

#include "rsiface/rsiface.h"
#include "rsiface/rspeers.h"
#include "rsiface/rsfiles.h"
#include "rsiface/RemoteDirModel.h"
#include "util/RsAction.h"
#include "msgs/ChanMsgDialog.h"
#include "Preferences/rsharesettings.h"

#include <iostream>
#include <sstream>

#include <QDesktopServices>
#include <QContextMenuEvent>
#include <QMenu>
#include <QCursor>
#include <QPoint>
#include <QMouseEvent>
#include <QPixmap>
#include <QHeaderView>
#include <QTimer>
#include <QMovie>
#include <QLabel>

#include <QMessageBox>
#include <QProcess>

/* Images for context menu icons */
#define IMAGE_DOWNLOAD       ":/images/download16.png"
#define IMAGE_PLAY           ":/images/start.png"
#define IMAGE_HASH_BUSY      ":/images/settings.png"
#define IMAGE_HASH_DONE      ":/images/friendsfolder24.png"
#define IMAGE_MSG            ":/images/message-mail.png"
#define IMAGE_ATTACHMENT     ":/images/attachment.png"
#define IMAGE_FRIEND         ":/images/peers_16x16.png"
#define IMAGE_PROGRESS       ":/images/browse-looking.gif"
const QString Image_AddNewAssotiationForFile = ":/images/kcmsystem24.png";


/** Constructor */
SharedFilesDialog::SharedFilesDialog(QWidget *parent)
: MainPage(parent)
{
  /* Invoke the Qt Designer generated object setup routine */
  ui.setupUi(this);
  


  connect(ui.checkButton, SIGNAL(clicked()), this, SLOT(forceCheck()));

  //connect(ui.frameButton, SIGNAL(toggled(bool)), this, SLOT(showFrame(bool)));

  connect( ui.localDirTreeView, SIGNAL( customContextMenuRequested( QPoint ) ),
           this,            SLOT( sharedDirTreeWidgetContextMenu( QPoint ) ) );

  connect( ui.remoteDirTreeView, SIGNAL( customContextMenuRequested( QPoint ) ), this, SLOT( shareddirtreeviewCostumPopupMenu( QPoint ) ) );

  connect( ui.remoteDirTreeView, SIGNAL( doubleClicked(const QModelIndex&)), this, SLOT( downloadRemoteSelected()));
  connect( ui.downloadButton, SIGNAL( clicked()), this, SLOT( downloadRemoteSelected()));



/*
  connect( ui.remoteDirTreeView, SIGNAL( itemExpanded( QTreeWidgetItem * ) ), 
	this, SLOT( checkForLocalDirRequest( QTreeWidgetItem * ) ) );

  connect( ui.localDirTreeWidget, SIGNAL( itemExpanded( QTreeWidgetItem * ) ), 
	this, SLOT( checkForRemoteDirRequest( QTreeWidgetItem * ) ) );
*/


  model = new RemoteDirModel(true);
  localModel = new RemoteDirModel(false);
  ui.remoteDirTreeView->setModel(model);
  ui.localDirTreeView->setModel(localModel);

  connect( ui.remoteDirTreeView, SIGNAL( collapsed(const QModelIndex & ) ),
  	model, SLOT(  collapsed(const QModelIndex & ) ) );
  connect( ui.remoteDirTreeView, SIGNAL( expanded(const QModelIndex & ) ),
  	model, SLOT(  expanded(const QModelIndex & ) ) );

  connect( ui.localDirTreeView, SIGNAL( collapsed(const QModelIndex & ) ),
  	localModel, SLOT(  collapsed(const QModelIndex & ) ) );
  connect( ui.localDirTreeView, SIGNAL( expanded(const QModelIndex & ) ),
  	localModel, SLOT(  expanded(const QModelIndex & ) ) );

  
  /* Set header resize modes and initial section sizes  */
	QHeaderView * l_header = ui.localDirTreeView->header () ;   
	l_header->setResizeMode (0, QHeaderView::Interactive);
	l_header->setResizeMode (1, QHeaderView::Interactive);
	l_header->setResizeMode (2, QHeaderView::Interactive);
	l_header->setResizeMode (3, QHeaderView::Interactive);
   
	l_header->resizeSection ( 0, 490 );
	l_header->resizeSection ( 1, 70 );
	l_header->resizeSection ( 2, 60 );
	l_header->resizeSection ( 3, 100 );
	
	/* Set header resize modes and initial section sizes */
	QHeaderView * r_header = ui.remoteDirTreeView->header () ;   

	r_header->setResizeMode (0, QHeaderView::Interactive);
	r_header->setStretchLastSection(false);

	r_header->setResizeMode (1, QHeaderView::Fixed);
	r_header->setResizeMode (2, QHeaderView::Fixed);
	r_header->setResizeMode (3, QHeaderView::Fixed);
	
   
	r_header->resizeSection ( 0, 490 );
	r_header->resizeSection ( 1, 70 );
	r_header->resizeSection ( 2, 60 );
	r_header->resizeSection ( 3, 100 );
	
	l_header->setHighlightSections(false);
	r_header->setHighlightSections(false);


  /* Set Multi Selection */
  ui.remoteDirTreeView->setSelectionMode(QAbstractItemView::ExtendedSelection);
  ui.localDirTreeView->setSelectionMode(QAbstractItemView::ExtendedSelection);

  QTimer *timer = new QTimer(this);
  timer->connect(timer, SIGNAL(timeout()), this, SLOT(checkUpdate()));
  timer->start(1000);

  /* Hide platform specific features */
#ifdef Q_WS_WIN

#endif
}

void SharedFilesDialog::checkUpdate()
{
        /* update */
	if (rsFiles->InDirectoryCheck())
	{
		ui.hashLabel->setPixmap(QPixmap(IMAGE_HASH_BUSY));
		/*QMovie *movie = new QMovie(IMAGE_PROGRESS);
        ui.hashLabel->setMovie(movie);
        movie->start();*/

//		ui.hashLabel->setToolTip(QString::fromStdString(rsFiles->currentJobInfo())) ;
	}
	else
	{
		ui.hashLabel->setPixmap(QPixmap(IMAGE_HASH_DONE));
		ui.hashLabel->setToolTip("") ;
	}

	return;
}


void SharedFilesDialog::forceCheck()
{
	rsFiles->ForceDirectoryCheck();
	return;
}


void SharedFilesDialog::shareddirtreeviewCostumPopupMenu( QPoint point )
{
      QMenu contextMnu( this );
      QMouseEvent *mevent = new QMouseEvent( QEvent::MouseButtonPress, point, Qt::RightButton, Qt::RightButton, Qt::NoModifier );
      
      downloadAct = new QAction(QIcon(IMAGE_DOWNLOAD), tr( "Download" ), this );
      connect( downloadAct , SIGNAL( triggered() ), this, SLOT( downloadRemoteSelected() ) );
      
    //  addMsgAct = new QAction( tr( "Add to Message" ), this );
    //  connect( addMsgAct , SIGNAL( triggered() ), this, SLOT( addMsgRemoteSelected() ) );
      

      contextMnu.clear();
      contextMnu.addAction( downloadAct);
   //   contextMnu.addAction( addMsgAct);
      contextMnu.exec( mevent->globalPos() );
}


void SharedFilesDialog::downloadRemoteSelected()
{
  /* call back to the model (which does all the interfacing? */

  std::cerr << "Downloading Files";
  std::cerr << std::endl;

  QItemSelectionModel *qism = ui.remoteDirTreeView->selectionModel();
  model -> downloadSelected(qism->selectedIndexes());


}



void SharedFilesDialog::playselectedfiles()
{
  /* call back to the model (which does all the interfacing? */

  std::cerr << "SharedFilesDialog::playselectedfiles()";
  std::cerr << std::endl;

  QItemSelectionModel *qism = ui.localDirTreeView->selectionModel();

  std::list<std::string> paths;
  localModel -> getFilePaths(qism->selectedIndexes(), paths);

  std::list<std::string>::iterator it;
  QStringList fullpaths;
  for(it = paths.begin(); it != paths.end(); it++)
  {
  	std::string fullpath;
  	rsFiles->ConvertSharedFilePath(*it, fullpath);
	fullpaths.push_back(QString::fromStdString(fullpath));

  	std::cerr << "Playing: " << fullpath;
  	std::cerr << std::endl;

  }

  playFiles(fullpaths);

  std::cerr << "SharedFilesDialog::playselectedfiles() Completed";
  std::cerr << std::endl;
}


#if 0

void SharedFilesDialog::addMsgRemoteSelected()
{
  /* call back to the model (which does all the interfacing? */

  std::cerr << "Recommending Files";
  std::cerr << std::endl;

  QItemSelectionModel *qism = ui.remoteDirTreeView->selectionModel();
  model -> recommendSelected(qism->selectedIndexes());


}


void SharedFilesDialog::recommendfile()
{
  /* call back to the model (which does all the interfacing? */

  std::cerr << "Recommending Files";
  std::cerr << std::endl;

  QItemSelectionModel *qism = ui.localDirTreeView->selectionModel();
  localModel -> recommendSelected(qism->selectedIndexes());
}




void SharedFilesDialog::recommendFileSetOnly()
{
  /* call back to the model (which does all the interfacing? */

  std::cerr << "Recommending File Set (clearing old selection)";
  std::cerr << std::endl;

  /* clear current recommend Selection done by model */

  QItemSelectionModel *qism = ui.localDirTreeView->selectionModel();
  localModel -> recommendSelectedOnly(qism->selectedIndexes());
}


void SharedFilesDialog::recommendFilesTo( std::string rsid )
{
  recommendFileSetOnly();
  rsicontrol -> ClearInMsg();
  rsicontrol -> SetInMsg(rsid, true);
 
  /* create a message */
  ChanMsgDialog *nMsgDialog = new ChanMsgDialog(true);

  /* fill it in 
   * files are receommended already
   * just need to set peers
   */
  std::cerr << "SharedFilesDialog::recommendFilesTo()" << std::endl;
  nMsgDialog->newMsg();
  nMsgDialog->insertTitleText("Recommendation(s)");
  nMsgDialog->insertMsgText("Recommendation(s)");

  nMsgDialog->sendMessage();
  nMsgDialog->close();
}



void SharedFilesDialog::recommendFilesToMsg( std::string rsid )
{
  recommendFileSetOnly();

  rsicontrol -> ClearInMsg();
  rsicontrol -> SetInMsg(rsid, true);

  /* create a message */
  ChanMsgDialog *nMsgDialog = new ChanMsgDialog(true);

  /* fill it in 
   * files are receommended already
   * just need to set peers
   */
  std::cerr << "SharedFilesDialog::recommendFilesToMsg()" << std::endl;
  nMsgDialog->newMsg();
  nMsgDialog->insertTitleText("Recommendation(s)");
  nMsgDialog->insertMsgText("Recommendation(s)");

  nMsgDialog->show();
}

#endif


void SharedFilesDialog::openfile()
{
  /* call back to the model (which does all the interfacing? */

  std::cerr << "Opening File";
  std::cerr << std::endl;

  QItemSelectionModel *qism = ui.localDirTreeView->selectionModel();
  model -> openSelected(qism->selectedIndexes());

}


void SharedFilesDialog::openfolder()
{

}


void  SharedFilesDialog::preModDirectories(bool update_local)
{
	std::cerr << "SharedFilesDialog::preModDirectories called with update_local = " << update_local << std::endl ;
	if (update_local)
		localModel->preMods();
	else
		model->preMods();
}


void  SharedFilesDialog::postModDirectories(bool update_local)
{
	std::cerr << "SharedFilesDialog::postModDirectories called with update_local = " << update_local << std::endl ;
	if (update_local)
		localModel->postMods();
	else
		model->postMods();
}


void SharedFilesDialog::sharedDirTreeWidgetContextMenu( QPoint point )
{
    //=== at this moment we'll show menu only for files, not for folders
    QModelIndex midx = ui.localDirTreeView->indexAt(point);
    if (localModel->isDir( midx ) )
        return;

    currentFile = localModel->data(midx,
                                   RemoteDirModel::FileNameRole).toString();

    QMenu contextMnu2( this );
//      

    QAction* menuAction = fileAssotiationAction(currentFile) ;
    //new QAction(QIcon(IMAGE_PLAY), currentFile, this);
                                  //tr( "111Play File(s)" ), this );
//      connect( openfolderAct , SIGNAL( triggered() ), this,
//               SLOT( playselectedfiles() ) );

#if 0
      openfileAct = new QAction(QIcon(IMAGE_ATTACHMENT), tr( "Add to Recommend List" ), this );
      connect( openfileAct , SIGNAL( triggered() ), this, SLOT( recommendfile() ) );
     
	/* now we're going to ask who to recommend it to...
	 * First Level.
	 *
	 * Add to Recommend List.
	 * Recommend to >
	 * 	all.
	 * 	list of <people>
	 * Recommend with msg >
	 *	all.
	 * 	list of <people>
	 *
	 */

      	QMenu *recMenu = new QMenu( tr("Recommend To "), this );
      	recMenu->setIcon(QIcon(IMAGE_ATTACHMENT));
      	QMenu *msgMenu = new QMenu( tr("Message Friend "), &contextMnu2 );
      	msgMenu->setIcon(QIcon(IMAGE_MSG));

        std::list<std::string> peers;
	std::list<std::string>::iterator it;

	if (!rsPeers)
	{
		/* not ready yet! */
		return;
	}
		
	rsPeers->getFriendList(peers);

	for(it = peers.begin(); it != peers.end(); it++)
	{
		std::string name = rsPeers->getPeerName(*it);
		/* parents are
		 * 	recMenu
		 * 	msgMenu
		 */

      		RsAction *qaf1 = new RsAction( QIcon(IMAGE_FRIEND), QString::fromStdString( name ), recMenu, *it );
      		connect( qaf1 , SIGNAL( triggeredId( std::string ) ), this, SLOT( recommendFilesTo( std::string ) ) );
        	recMenu->addAction(qaf1);

      		RsAction *qaf2 = new RsAction( QIcon(IMAGE_FRIEND), QString::fromStdString( name ), msgMenu, *it );
      		connect( qaf2 , SIGNAL( triggeredId( std::string ) ), this, SLOT( recommendFilesToMsg( std::string ) ) );
        	msgMenu->addAction(qaf2);

		/* create list of ids */

	}
#endif


    contextMnu2.addAction( menuAction );
        //contextMnu2.addAction( openfileAct);
        //contextMnu2.addSeparator(); 
        //contextMnu2.addMenu( recMenu);
        //contextMnu2.addMenu( msgMenu);


    QMouseEvent *mevent2 = new QMouseEvent( QEvent::MouseButtonPress, point,
                                            Qt::RightButton, Qt::RightButton,
                                            Qt::NoModifier );
    contextMnu2.exec( mevent2->globalPos() );


}

//============================================================================

QAction*
SharedFilesDialog::fileAssotiationAction(const QString fileName)
{
    QAction* result = 0;

    RshareSettings* settings = new RshareSettings();
    //QSettings* settings= new QSettings(qApp->applicationDirPath()+"/sett.ini",
    //                            QSettings::IniFormat);
    settings->beginGroup("FileAssotiations");

    QString key = AddFileAssotiationDialog::cleanFileType(currentFile) ;
    if ( settings->contains(key) )
    {
        result = new QAction(QIcon(IMAGE_PLAY), tr( "Open File" ), this );
        connect( result , SIGNAL( triggered() ),
                 this, SLOT( runCommandForFile() ) );

        currentCommand = (settings->value( key )).toString();
    }
    else
    {
        result = new QAction(QIcon(Image_AddNewAssotiationForFile),
                             tr( "Set command for opening this file"), this );
        connect( result , SIGNAL( triggered() ),
                 this,    SLOT(   tryToAddNewAssotiation() ) );
    }

    delete settings;

    return result;
}

//============================================================================

void
SharedFilesDialog::runCommandForFile()
{
    QStringList tsl;
    tsl.append( currentFile );
    QProcess::execute( currentCommand, tsl);
    //QString("%1 %2").arg(currentCommand).arg(currentFile) );
    
//    QString tmess = "Some command(%1) should be executed here for file %2";
//    tmess = tmess.arg(currentCommand).arg(currentFile);
//    QMessageBox::warning(this, tr("RetroShare"), tmess, QMessageBox::Ok);
}

//============================================================================

void
SharedFilesDialog::tryToAddNewAssotiation()
{
    AddFileAssotiationDialog afad(true, this);//'add file assotiations' dialog

    afad.setFileType(AddFileAssotiationDialog::cleanFileType(currentFile));

    int ti = afad.exec();

    if (ti==QDialog::Accepted)
    {
        RshareSettings* settings = new RshareSettings();
        //QSettings settings( qApp->applicationDirPath()+"/sett.ini",
        //                    QSettings::IniFormat);
        settings->beginGroup("FileAssotiations");
        
        QString currType = afad.resultFileType() ;
        QString currCmd = afad.resultCommand() ;
        
        settings->setValue(currType, currCmd);
    }
}

//============================================================================
/**
 Toggles the Lokal TreeView on and off, changes toggle button text
 
void SharedFilesDialog::showFrame(bool show)
{
    if (show) {
        ui.frame->setVisible(true);
        ui.frameButton->setChecked(true);
        ui.frameButton->setToolTip(tr("Hide Lokal Direrectories"));
        ui.frameButton->setIcon(QIcon(tr(":images/hide_toolbox_frame.png")));
    } else {
        ui.frame->setVisible(false);
        ui.frameButton->setChecked(false);
        ui.frameButton->setToolTip(tr("Show Lokal Directories"));
        ui.frameButton->setIcon(QIcon(tr(":images/show_toolbox_frame.png")));
    }
}*/