/*
 * bluebase.cpp *
 * ---------------------
 *
 * copyright   : (c) 2002 by Maximilian Reiß
 * email       : max.reiss@gmx.de
 *
 */
/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "bluebase.h"
#include "scandialog.h"
#include "hciconfwrapper.h"
#include "devicehandler.h"
#include "btconnectionitem.h"

#include <remotedevice.h>
#include <services.h>

#include <stdlib.h>

#include <qframe.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <qlayout.h>
#include <qvariant.h>
#include <qimage.h>
#include <qpixmap.h>
#include <qtabwidget.h>
#include <qscrollview.h>
#include <qvbox.h>
#include <qmessagebox.h>
#include <qcheckbox.h>
#include <qlineedit.h>
#include <qlistview.h>
#include <qdir.h>
#include <qpopupmenu.h>
#include <qtimer.h>

#include <qpe/qpeapplication.h>
#include <qpe/resource.h>
#include <qpe/config.h>


using namespace OpieTooth;

BlueBase::BlueBase( QWidget* parent,  const char* name, WFlags fl )
    : BluetoothBase( parent, name, fl ) {

    m_localDevice = new Manager( "hci0" );

    connect( PushButton2,  SIGNAL( clicked() ), this, SLOT(startScan() ) );
    connect( configApplyButton, SIGNAL(clicked() ), this, SLOT(applyConfigChanges() ) );
    // not good since lib is async
    //       connect( ListView2, SIGNAL( expanded ( QListViewItem* ) ),
    //                  this, SLOT( addServicesToDevice( QListViewItem * ) ) );
    connect( ListView2, SIGNAL( clicked( QListViewItem* )),
             this, SLOT( startServiceActionClicked( QListViewItem* ) ) );
    connect( ListView2, SIGNAL( rightButtonClicked( QListViewItem *, const QPoint &, int ) ),
             this,  SLOT(startServiceActionHold( QListViewItem *, const QPoint &, int) ) );
    connect( m_localDevice , SIGNAL( foundServices( const QString& , Services::ValueList ) ),
             this, SLOT( addServicesToDevice( const QString& , Services::ValueList ) ) );
    connect( m_localDevice, SIGNAL( available( const QString&, bool ) ),
             this, SLOT( deviceActive( const QString& , bool ) ) );
    connect( m_localDevice, SIGNAL( connections( ConnectionState::ValueList ) ),
             this, SLOT( addConnectedDevices( ConnectionState::ValueList ) ) );


    // let hold be rightButtonClicked()
    QPEApplication::setStylusOperation( ListView2->viewport(), QPEApplication::RightOnHold);
    QPEApplication::setStylusOperation( ListView4->viewport(), QPEApplication::RightOnHold);

    //Load all icons needed
    m_offPix = Resource::loadPixmap( "opietooth/notconnected" );
    m_onPix = Resource::loadPixmap( "opietooth/connected" );
    m_findPix = Resource::loadPixmap( "opietooth/find" );

    QPalette pal = this->palette();
    QColor col = pal.color( QPalette::Active, QColorGroup::Background );
    pal.setColor( QPalette::Active, QColorGroup::Button, col );
    pal.setColor( QPalette::Inactive, QColorGroup::Button, col );
    pal.setColor( QPalette::Normal, QColorGroup::Button, col );
    pal.setColor( QPalette::Disabled, QColorGroup::Button, col );
    this->setPalette( pal );

    setCaption( tr( "Bluetooth Manager" ) );

    readConfig();
    initGui();

    //TESTING
    ListView2->setRootIsDecorated(true);

    BTDeviceItem *topLV2 = new BTDeviceItem( ListView2, RemoteDevice("xx:", "Siemens S45" ) );
    topLV2->setPixmap( 1, m_onPix );
    Services s1;
    s1.setServiceName( "Serial" );
    s1.insertClassId(1, "BlueNic");
    (void) new BTServiceItem( topLV2, s1 );
    s1.setServiceName( "BlueNic" );
    s1.insertClassId(2, "Obex");
    (void) new BTServiceItem( topLV2, s1 );

    writeToHciConfig();
    // search conncetions
    addConnectedDevices();
    m_iconLoader = new BTIconLoader();
    readSavedDevices();
}

/**
 * Reads all options from the config file
 */
void BlueBase::readConfig() {

    Config cfg( "bluetoothmanager" );
    cfg.setGroup( "bluezsettings" );

    m_deviceName = cfg.readEntry( "name" , "No name" ); // name the device should identify with
    m_defaultPasskey = cfg.readEntryCrypt( "passkey" , "" ); // <- hmm, look up how good the trolls did that, maybe too weak
    m_useEncryption = cfg.readBoolEntry( "useEncryption" , TRUE );
    m_enableAuthentification = cfg.readBoolEntry( "enableAuthentification" , TRUE );
    m_enablePagescan = cfg.readBoolEntry( "enablePagescan" , TRUE );
    m_enableInquiryscan = cfg.readBoolEntry( "enableInquiryscan" , TRUE );
}

/**
 * Writes all options to the config file
 */
void BlueBase::writeConfig() {

    Config cfg( "bluetoothmanager" );
    cfg.setGroup( "bluezsettings" );

    cfg.writeEntry( "name" , m_deviceName );
    cfg.writeEntryCrypt( "passkey" , m_defaultPasskey );
    cfg.writeEntry( "useEncryption" , m_useEncryption );
    cfg.writeEntry( "enableAuthentification" , m_enableAuthentification );
    cfg.writeEntry( "enablePagescan" , m_enablePagescan );
    cfg.writeEntry( "enableInquiryscan" , m_enableInquiryscan );

    writeToHciConfig();
}

/**
 * Modify the hcid.conf file to our needs
 */
void BlueBase::writeToHciConfig() {
    qWarning("writeToHciConfig");
    HciConfWrapper hciconf ( "/etc/bluetooth/hcid.conf" );
    hciconf.load();
    hciconf.setPinHelper( "/bin/QtPalmtop/bin/blue-pin" );
    hciconf.setName( m_deviceName );
    hciconf.setEncrypt( m_useEncryption );
    hciconf.setAuth( m_enableAuthentification );
    hciconf.setPscan( m_enablePagescan );
    hciconf.setIscan( m_enableInquiryscan );
    hciconf.save();
}


/**
 * Read the list of allready known devices
 */
void BlueBase::readSavedDevices() {

    QValueList<RemoteDevice> loadedDevices;
    DeviceHandler handler;
    loadedDevices = handler.load();

    addSearchedDevices( loadedDevices );
}


/**
 * Write the list of allready known devices
 */
void BlueBase::writeSavedDevices() {
    QListViewItemIterator it( ListView2 );
    BTListItem* item;
    BTDeviceItem* device;
    RemoteDevice::ValueList list;
    for ( ; it.current(); ++it ) {
        item = (BTListItem*)it.current();
        if(item->typeId() != BTListItem::Device )
            continue;
        device = (BTDeviceItem*)item;

        list.append( device->remoteDevice() );
    }
    /*
     * if not empty save the List through DeviceHandler
     */
    if ( list.isEmpty() )
        return;
    DeviceHandler handler;
    handler.save( list );
}


/**
 * Set up the gui
 */
void BlueBase::initGui() {
    StatusLabel->setText( status() ); // maybe move it to getStatus()
    cryptCheckBox->setChecked( m_useEncryption );
    authCheckBox->setChecked( m_enableAuthentification );
    pagescanCheckBox->setChecked( m_enablePagescan );
    inquiryscanCheckBox->setChecked( m_enableInquiryscan );
    deviceNameLine->setText( m_deviceName );
    passkeyLine->setText( m_defaultPasskey );
    // set info tab
    setInfo();
}


/**
 * Get the status informations and returns it
 * @return QString the status informations gathered
 */
QString BlueBase::status()const{
    QString infoString = tr( "<b>Device name : </b> Ipaq" );
    infoString += QString( "<br><b>" + tr( "MAC adress: " ) +"</b> No idea" );
    infoString += QString( "<br><b>" + tr( "Class" ) + "</b> PDA" );

    return (infoString);
}


/**
 * Read the current values from the gui and invoke writeConfig()
 */
void BlueBase::applyConfigChanges() {
    m_deviceName =  deviceNameLine->text();
    m_defaultPasskey = passkeyLine->text();
    m_useEncryption = cryptCheckBox->isChecked();
    m_enableAuthentification = authCheckBox->isChecked();
    m_enablePagescan = pagescanCheckBox->isChecked();
    m_enableInquiryscan = inquiryscanCheckBox->isChecked();

    writeConfig();

    QMessageBox::information( this, tr("Test") , tr("Changes were applied.") );
}

/**
 * Add fresh found devices from scan dialog to the listing
 *
 */
void BlueBase::addSearchedDevices( const QValueList<RemoteDevice> &newDevices ) {
    BTDeviceItem * deviceItem;
    QValueList<RemoteDevice>::ConstIterator it;

    for( it = newDevices.begin(); it != newDevices.end() ; ++it ) {

        if (find( (*it)  )) // is already inserted
            continue;

        deviceItem = new BTDeviceItem( ListView2 , (*it) );
        deviceItem->setPixmap( 1, m_findPix );
        deviceItem->setExpandable ( true );

        // look if device is avail. atm, async
        deviceActive( (*it) );

        // ggf auch hier?
        addServicesToDevice( deviceItem );
    }
}


/**
 * Action that is toggled on entrys on click
 */
void BlueBase::startServiceActionClicked( QListViewItem */*item*/ ) {
}


/**
 * Action that are toggled on hold (mostly QPopups i guess)
 */
void BlueBase::startServiceActionHold( QListViewItem * item, const QPoint & point, int /*column*/ ) {
    if (!item )
        return;

    QPopupMenu *menu = new QPopupMenu();
    int ret=0;

    if ( ((BTListItem*)item)->type() == "device") {

        QPopupMenu *groups = new QPopupMenu();

        menu->insertItem( ((BTDeviceItem*)item)->name(),0 );
        menu->insertSeparator(1);
        menu->insertItem( tr("rescan sevices"),  2);
        menu->insertItem( tr("to group"), groups , 3);
        menu->insertItem( tr("delete"),  4);

        ret = menu->exec( point  , 0);

        switch(ret) {
        case -1:
            break;
        case 0:
            addServicesToDevice( (BTDeviceItem*)item );
            break;
        case 1:

            break;

            // NO need to, since hcid does that on the fly
            // case 2:
            // make connection
            //m_localDevice->connectTo( ((BTDeviceItem*)item)->mac() );
            //break;
        case 3:
            // deletes childs too
            delete item;
            break;
        }
        delete groups;

    }

    /*
     * We got service sensitive PopupMenus in our factory
     * We will create one through the factory and will insert
     * our Separator + ShowInfo into the menu or create a new
     * one if the factory returns 0
     * PopupMenu deletion is kind of weird.
     * If escaped( -1 ) or any of our items were chosen we'll
     * delete the PopupMenu otherwise it's the responsibility of
     * the PopupMenu to delete itself
     *
     */
    else if ( ((BTListItem*)item)->type() == "service") {
        BTServiceItem* service = (BTServiceItem*)item;
        QMap<int, QString> list = service->services().classIdList();
        QMap<int, QString>::Iterator it = list.begin();
        QPopupMenu *popup =0l;
        if ( it != list.end() ) {
	    qWarning("Searching id %d %s", it.key(), it.data().latin1() );
            popup = m_popHelper.find( it.key() /*1*/,
                                      service->services(),
                                      (BTDeviceItem*)service->parent() );
	}else {
	    qWarning("Empty");
	}

        if ( popup == 0l ) {
            qWarning("factory returned 0l");
            popup = new QPopupMenu();
        }
        int test1 = popup->insertItem( tr("Test1:"),  2);

        ret = popup->exec( point );
        qWarning("returned from exec() ");
        if ( ret == -1 ) {
            ;
        } else if ( ret == test1 ) {
            ;
        }
        delete popup;
    }
    delete menu;
}


/**
 * Search and display avail. services for a device (on expand from device listing)
 * @param item the service item returned
 */
void BlueBase::addServicesToDevice( BTDeviceItem * item ) {
    qDebug("addServicesToDevice");
    // row of mac adress text(3)
    RemoteDevice device = item->remoteDevice();
    m_deviceList.insert( item->mac() , item );
    // and some time later I get a signal foundServices( const QString& device, Services::ValueList ); back
    m_localDevice->searchServices( device );
}


/**
 * Overloaded. This one it the one that is connected to the foundServices signal
 * @param device the mac address of the remote device
 * @param servicesList the list with the service the device has.
 */
void BlueBase::addServicesToDevice( const QString& device, Services::ValueList servicesList ) {
    qDebug("fill services list");

    QMap<QString,BTDeviceItem*>::Iterator it;
    BTDeviceItem* deviceItem = 0;

    // get the right devices which requested the search
    it = m_deviceList.find( device );
    if( it == m_deviceList.end() )
        return;
    deviceItem = it.data();

    QValueList<OpieTooth::Services>::Iterator it2;
    BTServiceItem * serviceItem;

    if (!servicesList.isEmpty() ) {
        // add services
        QMap<int, QString> list;
        QMap<int, QString>::Iterator classIt;
        for( it2 = servicesList.begin(); it2 != servicesList.end(); ++it2 ) {
            serviceItem = new BTServiceItem( deviceItem  , (*it2)  );
            list = (*it2).classIdList();
            classIt = list.begin();
            int classId=0;
            if ( classIt != list.end() ) {
                classId = classIt.key();
            }

            serviceItem->setPixmap( 0, m_iconLoader->serviceIcon( classId ) );
        }
    } else {
        Services s1;
        s1.setServiceName( tr("no serives found") );
        serviceItem = new BTServiceItem( deviceItem, s1 );
    }
    // now remove them from the  list
    m_deviceList.remove( it );
}


/**
 * Add the existing connections (pairs) to the connections tab.
 * This one triggers the search
 */
void BlueBase::addConnectedDevices() {
    m_localDevice->searchConnections();
}


/**
 * This adds the found connections to the connection tab.
 * @param connectionList the ValueList with all current connections
 */
void BlueBase::addConnectedDevices( ConnectionState::ValueList connectionList ) {

    // clear the ListView first
    ListView4->clear();

    QValueList<OpieTooth::ConnectionState>::Iterator it;
    BTConnectionItem * connectionItem;

    if ( !connectionList.isEmpty() ) {

        for (it = connectionList.begin(); it != connectionList.end(); ++it) {
            connectionItem = new BTConnectionItem( ListView4 , (*it) );
        }
    } else {
        ConnectionState con;
        con.setMac( tr("No connections found") );
        connectionItem = new BTConnectionItem( ListView4 , con );
    }

    //  recall connection search after some time
    QTimer::singleShot( 20000, this, SLOT( addConnectedDevices() ) );
}


/**
 * Find out if a device can  currently be reached
 * @param device
 */
void BlueBase::deviceActive( const RemoteDevice &device ) {
    // search by mac, async, gets a signal back
    // We should have a BTDeviceItem there or where does it get added to the map -zecke
    m_localDevice->isAvailable( device.mac() );
}


/**
 * The signal catcher. Set the avail. status on device.
 * @param device - the mac address
 * @param connected - if it is avail. or not
 */
void BlueBase::deviceActive( const QString& device, bool connected  ) {
    qDebug("deviceActive slot");

    QMap<QString,BTDeviceItem*>::Iterator it;

    it = m_deviceList.find( device );
    if( it == m_deviceList.end() )
        return;

    BTDeviceItem* deviceItem = it.data();


    if ( connected ) {
        deviceItem->setPixmap( 1, m_onPix );
    } else {
        deviceItem->setPixmap( 1, m_offPix );
    }
    m_deviceList.remove( it );
}


/**
 * Open the "scan for devices"  dialog
 */
void BlueBase::startScan() {
    ScanDialog *scan = new ScanDialog( this, "ScanDialog",
                                       true, WDestructiveClose );
    QObject::connect( scan, SIGNAL( selectedDevices( const QValueList<RemoteDevice>& ) ),
                      this, SLOT( addSearchedDevices( const QValueList<RemoteDevice>& ) ) );

    scan->showMaximized();
}


/**
 * Set the informations about the local device in information Tab
 */
void BlueBase::setInfo() {
    StatusLabel->setText( status() );
}


/**
 * Decontructor
 */
BlueBase::~BlueBase() {
    writeSavedDevices();
    delete m_iconLoader;
}


/**
 * find searches the ListView for a BTDeviceItem containig
 * the same Device if found return true else false
 * @param dev RemoteDevice to find
 * @return returns true if found
 */
bool BlueBase::find( const RemoteDevice& rem ) {
    QListViewItemIterator it( ListView2 );
    BTListItem* item;
    BTDeviceItem* device;
    for (; it.current(); ++it ) {
        item = (BTListItem*) it.current();
        if ( item->typeId() != BTListItem::Device )
            continue;

        device = (BTDeviceItem*)item;
        if ( rem.equals( device->remoteDevice() ) )
            return true;
    }
    return false; // not found
}