/*
 * ociScreen.java
 *
 * Copyright (C) 2008 by delta_foxtrot@users.sourceforge.net
 * http://gpsavenger.sf.net
 *
 * 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; version 2 of the License
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

import net.rim.device.api.system.*;
import net.rim.device.api.ui.*;
import net.rim.device.api.ui.container.*;
import net.rim.device.api.ui.component.*;
import net.rim.blackberry.api.browser.*;
import java.util.Calendar;
import java.util.Date;

public class ociScreen extends MainScreen
{
    private RadioStatusListener radioStatusListener = null;
    private GPS doGPS = null;
    private LabelField lf = new LabelField("Click on the Start GPS menu item to start logging locations");
    private LabelField lat = new LabelField("");
    private LabelField lon = new LabelField("");
    private LabelField update = new LabelField("");
    private LabelField lf2 = new LabelField("");
    
    public ociScreen()
    {
        super();
        LabelField title = new LabelField("OpenCellID 4 BlackBerry", LabelField.ELLIPSIS | LabelField.USE_ALL_WIDTH);
        setTitle(title);
        doGPS = new GPS();
        radioStatusListener = new RadioStatusListener()
        {
            public void signalLevel(int level)
            {
                onRadioStatusChanged();
            }
            public void networkStarted(int networkId, int service)
            {
                onRadioStatusChanged();
            }
            public void baseStationChange()
            {
                onRadioStatusChanged();
            }
            public void radioTurnedOff()
            {
                onRadioStatusChanged();
            }
            public void pdpStateChange(int apn, int state, int cause)
            {
                onRadioStatusChanged();
            }
            public void networkStateChange(int state)
            {
                onRadioStatusChanged();
            }
            public void networkScanComplete(boolean success)
            {
                onRadioStatusChanged();
            }
/*
            public void mobilityManagementEvent(int eventCode, int cause)
            {
                onRadioStatusChanged();
            }
*/
            public void networkServiceChange(int networkId, int service)
            {
                onRadioStatusChanged();
            }
        };
        Application.getApplication().addRadioListener(radioStatusListener);
        add(lf);
        add(lat);
        add(lon);
        add(update);
        add(lf2);
    }

    public boolean onClose()
    {
        System.exit(0);
        return(true);
    }

    MenuItem gpsRunMenu = new MenuItem("Start GPS", 30, 30)
    {
        public void run()
        {
            if(gpsRunMenu.toString().equals("Start GPS"))
            {
                doGPS.startLocationUpdate();
                gpsRunMenu.setText("Stop GPS");
                lf.setText("Starting GPS, please wait while a lock is achieved.");
            } else {
                doGPS.stopLocationUpdate();
                gpsRunMenu.setText("Start GPS");
                doGPS.latitude = -999.0;
                doGPS.longitude = -999.0;
                lf.setText("Click on the Start GPS menu item to start logging locations");
            }
        }
    };

    MenuItem websiteMenu = new MenuItem("OCI4BB Homepage", 40, 40)
    {
        public void run()
        {
            Browser.getDefaultSession().displayPage("http://oci4bb.sourceforge.net");
        }
    };

    MenuItem aboutMenu = new MenuItem("About", 50, 50)
    {
        public void run()
        {
            Browser.getDefaultSession().displayPage("http://www.opencellid.org");
        }
    };

    MenuItem quitMenu = new MenuItem("Quit", 60, 60)
    {
        public void run()
        {
            onClose();
        }
    };
    
    protected void makeMenu(Menu menu, int instance)
    {
        menu.add(gpsRunMenu);
        menu.add(websiteMenu);
        menu.add(aboutMenu);
        menu.add(quitMenu);
    }

    protected void onRadioStatusChanged()
    {
        lat.setText(""+doGPS.latitude);
        lon.setText(""+doGPS.longitude);
        if(doGPS.latitude < -90 || doGPS.latitude > 90 ||
            doGPS.longitude < -180 || doGPS.longitude > 180 ||
            doGPS.lastupdate < ((System.currentTimeMillis() / 1000) - 120) ||
            !ServerCommunication.isConnectionAvailable())
        {
            lf2.setText("Still waiting for lock...");
            return;
        }

        String string = "http://www.opencellid.org/measure/add";
        string += "?key=9c46be0fe0d6b163f75b22a4acbc6a50";
        string += "&userid="+ociApp.getkey();
        string += "&lat="+doGPS.latitude;
        string += "&lon="+doGPS.longitude;
        string += "&signal="+RadioInfo.getSignalLevel();
        long timenow = System.currentTimeMillis();
        string += "&measured_at="+dateToString(timenow)+"%20"+timeToString(timenow);
        try
        {
            if(isNetworkType(RadioInfo.NETWORK_GPRS))
            {
                string += "&mcc="+Integer.toHexString(GPRSInfo.getCellInfo().getMCC());
                string += "&mnc="+RadioInfo.getMNC(RadioInfo.getCurrentNetworkIndex());
                string += "&lac="+GPRSInfo.getCellInfo().getLAC();
                string += "&cellid="+GPRSInfo.getCellInfo().getCellId();
                string += "&extraInfo="+networktypes()+"-"+GPRSInfo.getCellInfo().getARFCN();

                lf.setText("C="+Integer.toHexString(GPRSInfo.getCellInfo().getMCC())+","+
                            Integer.toHexString(GPRSInfo.getCellInfo().getMCC())+","+
                            GPRSInfo.getCellInfo().getCellId()+","+
                            GPRSInfo.getCellInfo().getLAC()+
                            ",S="+RadioInfo.getSignalLevel()+
                            ",T="+networktypes()+
                            ",C="+GPRSInfo.getCellInfo().getARFCN());
            } else if(isNetworkType(RadioInfo.NETWORK_CDMA)) {
                string += "&mcc="+Integer.toHexString(CDMAInfo.getCellInfo().getSID());
                string += "&mnc="+Integer.toHexString(CDMAInfo.getCellInfo().getNID());
                // No LAC on CDMA -- http://supportforums.blackberry.com/rim/board/message?board.id=java_dev&thread.id=2839
                string += "&lac=";
                string += "&cellid="+CDMAInfo.getCellInfo().getBID();
                string += "&extraInfo="+networktypes()+"-"+CDMAInfo.getChannelNumber();

                lf.setText("C="+Integer.toHexString(CDMAInfo.getCellInfo().getSID())+","+
                            Integer.toHexString(CDMAInfo.getCellInfo().getNID())+","+
                            Integer.toHexString(CDMAInfo.getCellInfo().getBID())+","+
                            "N/A"+
                            ",S="+RadioInfo.getSignalLevel()+
                            ",T="+networktypes()+
                            ",C="+CDMAInfo.getChannelNumber());
            }
        } catch (Exception e) {}
        update.setText(dateToString(timenow)+" "+timeToString(timenow));
        System.out.println("url: "+string);
        if(!DeviceInfo.isSimulator())
        {
            String reply = ServerCommunication.http_get(string);
            lf2.setText(reply);
        } else {
            lf2.setText("Simulator Session");
        }
    }

    // http://www.velocityreviews.com/forums/t126578-p2-convert-date-to-string-with-j2me.html
    public static String timeToString (long date)
    {
        Calendar c = Calendar.getInstance();
        c.setTime(new Date(date));
        int h = c.get(Calendar.HOUR_OF_DAY);
        int m = c.get(Calendar.MINUTE);
        int s = c.get(Calendar.SECOND);
        String t = (h<10?"0":"")+h+":"+(m<10?"0":"")+m+":"+(s<10?"0":"")+s;
        return t;
    }
    
    public static String dateToString (long date)
    {
        Calendar c = Calendar.getInstance();
        c.setTime(new Date(date));
        int y = c.get(Calendar.YEAR);
        int m = c.get(Calendar.MONTH) + 1;
        int d = c.get(Calendar.DATE);
        String t = (y<10?"0":"")+y+"-"+(m<10?"0":"")+m+"-"+(d<10?"0":"")+d;
        return t;
    }

    private boolean isNetworkType(final int type)
    {
        return (RadioInfo.getNetworkType() & type) == type;
    }

    private String networktypes()
    {
        if(isNetworkType(RadioInfo.NETWORK_UMTS))
            return "3G";
        if(isNetworkType(RadioInfo.NETWORK_CDMA))
            return "CDMA";
        if(isNetworkType(RadioInfo.NETWORK_GPRS))
            return "GPRS";
        if(isNetworkType(RadioInfo.NETWORK_IDEN))
            return "IDEN";
        if(isNetworkType(RadioInfo.NETWORK_802_11))
            return "WiFi";
        return "None";
    }
}