import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
import javax.microedition.io.*;
import java.io.*;
import java.util.*;

public class Kaart extends MIDlet implements CommandListener{
	Vector vKirjed;
	Vector vWeb=new Vector();

	Form fMain			= new Form ("Kaardi rakend");
	Form fPlaces		= new Form ("Lisatud kohad");
	Form fNet			= new Form ("Internet");
	Form fNetDesc	= new Form ("Koha andmed");
	Form fLisa			= new Form ("Koha lisamine");
	Form fKirjeldus	= new Form ("Koha kirjeldus");

	TextField tfNimi				= new TextField("Nimetus", "", 25, 0);	
	TextField tfKirjeldus		= new TextField("kirjeldus", "", 100, 0);
	TextField tfWebNimi		= new TextField("Nimetus", "", 25, 0);	
	TextField tfWebKirjeldus	= new TextField("kirjeldus", "", 100, 0);

	ChoiceGroup cgPlaces	= new ChoiceGroup( "Kohad", 1);
	ChoiceGroup cgNet		= new ChoiceGroup( "Kohad", 1);

	Command cWebSave = new Command ( "Salvesta", Command.SCREEN, 1);//interneti valikud
	Command cAndmed	= new Command ( "Andmed", Command.SCREEN, 1);
	Command cWBack		= new Command (	"Tagasi", Command.BACK, 1);

	Command cKaart		= new Command ( "Kaart", Command.SCREEN, 1); //Pealehe commandid
	Command  cExit			= new Command ( "Välju", Command.EXIT, 1);

	Command cLisa 			= new Command ( "Lisa koht", Command.SCREEN, 1);// Kaardi commandid
	Command cVaata		= new Command ( "Vaata lisatuid", Command.SCREEN, 1);
	Command cWeb			= new Command ( "Internetist", Command.SCREEN, 1);
	Command cMain			= new Command ( "Peamenüü", Command.BACK, 1);
	
	Command cSaveRec	= new Command ( "Salvesta", Command.SCREEN, 1);//Lisamis commandid
	Command cTagasi		= new Command ( "Tagasi", Command.BACK, 1);

	Command cNaita		= new Command ( "Näita kaardil", Command.SCREEN,1);//Kirjete vaatamise commandid
	Command cKirjeldus	= new Command ( "Näita kirjeldust", Command.SCREEN, 1);
	Command cKustuta	= new Command ( "Kustuta", Command.SCREEN, 1);

	Command cBack		= new Command ( "Tagasi", Command.BACK, 1);//kirjelduse commandid
	
	Display disp=Display.getDisplay(this);
	graafika kaart=new graafika();

	public Kaart(){
		kaart.posx=430;
		kaart.posy=230;

		fNet.append(cgNet);
		fNet.addCommand(cAndmed);
		fNet.addCommand(cTagasi);
		fNet.setCommandListener(this);

		fNetDesc.addCommand(cWebSave);
		fNetDesc.addCommand(cWBack);
		fNetDesc.setCommandListener(this);

		fPlaces.append(cgPlaces);
		fPlaces.addCommand(cNaita);
		fPlaces.addCommand(cKirjeldus);
		fPlaces.addCommand(cKustuta);
		fPlaces.addCommand(cTagasi);
		fPlaces.setCommandListener(this);

		fLisa.append(tfNimi);
		fLisa.append(tfKirjeldus);
		fLisa.addCommand(cSaveRec);
		fLisa.addCommand(cTagasi);
		fLisa.setCommandListener(this);

		fMain.append("Paide kaart lisatavate punktide ja märkmetega\n Rakenduse interneti pool asub aadressil http://shad.dynserv.com:6060/shad/kodune.html");
		fMain.addCommand(cKaart);
		fMain.addCommand(cExit);
		fMain.setCommandListener(this);

		kaart.addCommand(cMain);
		kaart.addCommand(cLisa);
		kaart.addCommand(cVaata);
		kaart.addCommand(cWeb);
		kaart.setCommandListener(this);

		fKirjeldus.addCommand(cBack);
		fKirjeldus.setCommandListener(this);

		disp.setCurrent(fMain);
	}

	public void commandAction (Command command, Displayable p2) {
		
		if (command == cKaart) {
			disp.setCurrent(kaart);
		}
		if (command == cExit){
			//destroyApp();
		}

		if (command == cLisa){
			disp.setCurrent(fLisa);
		}

		if (command ==cBack){
			disp.setCurrent(fPlaces);
		}

		if (command ==cWBack){
			disp.setCurrent(fNet);
		}

		if (command == cMain){
			disp.setCurrent(fMain);
		}

		if (command == cTagasi){
			disp.setCurrent(kaart);
		}

		if (command==cWeb)	{
			Veebilugeja Veeb=new Veebilugeja();
			Veeb.start();
		}

		if (command == cVaata){
			Kirjed k = new Kirjed();
			vKirjed = k.votaKirjed();
			while(cgPlaces.size() != 0)
				cgPlaces.delete(0);
			for (int i = 0; i < vKirjed.size(); i++) {
				String[] s = (String[])vKirjed.elementAt(i);
				cgPlaces.append(s[1],null);
			}
			disp.setCurrent(fPlaces);
		}

		if (command == cNaita){
			int mitmes=cgPlaces.getSelectedIndex();
			String[] vk = (String[]) vKirjed.elementAt(mitmes);
			kaart.posx= Integer.parseInt(vk[3]);
			kaart.posy= Integer.parseInt(vk[4]);
			disp.setCurrent(kaart);
		}

		if (command == cKirjeldus)	{
			while(fKirjeldus.size() != 0)
				fKirjeldus.delete(0);
			int mitmes=cgPlaces.getSelectedIndex();
			String[] vk = (String[]) vKirjed.elementAt(mitmes);
			fKirjeldus.append(vk[2]);
			disp.setCurrent(fKirjeldus);
		}

		if (command == cKustuta){
			int mitmes=cgPlaces.getSelectedIndex();
			String[] kk = (String[]) vKirjed.elementAt(mitmes);
			int id = Integer.parseInt(kk[0]);
			Kirjed k =new Kirjed();
			k.kustutaKirje(id);
			vKirjed = k.votaKirjed();
			while(cgPlaces.size() != 0)
				cgPlaces.delete(0);
			for (int i = 0; i < vKirjed.size(); i++) {
				String[] s = (String[])vKirjed.elementAt(i);
				cgPlaces.append(s[1],null);
			}
		}

		if (command == cSaveRec)	{
			Kirjed k = new Kirjed();
			k.lisaKirje(tfNimi.getString(), tfKirjeldus.getString(), kaart.posx, kaart.posy);
			tfNimi.setString("");
			tfKirjeldus.setString("");
			disp.setCurrent(fMain);
		}

		if (command == cWebSave){
			int mitmes=cgNet.getSelectedIndex();
			String[] wk = (String[]) vWeb.elementAt(mitmes);
			Kirjed k = new Kirjed();
			k.lisaKirje(wk[0], wk[1], Integer.parseInt(wk[2]), Integer.parseInt(wk[3]));
			disp.setCurrent(fNet);
		}

		if (command == cAndmed){
			int mitmes=cgNet.getSelectedIndex();
			String[] wk = (String[]) vWeb.elementAt(mitmes);
			Kirjed k = new Kirjed();
			fNetDesc.deleteAll();
			fNetDesc.append(wk[0]+" : \n\n"+wk[1]+"\n---\n");
			disp.setCurrent(fNetDesc);
		}
	}

	protected void startApp() throws MIDletStateChangeException{
	}

	protected void pauseApp( ){}
	protected void destroyApp( boolean p1 ) throws MIDletStateChangeException{	}

	class Veebilugeja extends Thread{
		
		String url="http://shad.dynserv.com:6060/shad/pmobiil.jsp";
		public String tekst="";

		public Veebilugeja(){
		}
		
		public void run(){
			HttpConnection hcon = null;
			DataInputStream dis = null;
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			String tekst="";
			
			try{
					hcon = (HttpConnection)Connector.open(url);
					dis = new DataInputStream(hcon.openInputStream());          
					int ch;
					while ((ch=dis.read())!=-1) {
						baos.write(ch);
					}
					byte[] b=baos.toByteArray();
					tekst = new String(b);
					
			}catch(Exception e){
					e.printStackTrace();
					tekst=tekst+"ERROR";
			}finally{
				try{
					if (hcon != null) hcon.close();
					if (dis != null) dis.close();
				}catch (Exception e){
					e.printStackTrace();
				}
			}
			int ajut=0;
			while (vWeb.size()>0){
				vWeb.removeElementAt(0);
			}
			int lopp=0;
			while (true) {
				String[] kirjem=new String[4];
				int algus = lopp + 1;
				lopp = tekst.indexOf(";", algus);
				if (lopp == -1)
					break;
				String kirje= tekst.substring((algus == 1 ? 0 : algus), lopp);
				int lopp2=0;
				int index=0;
				while (true) {
					int algus2 = lopp2 + 1;
					lopp2 = kirje.indexOf(":", algus2);
					if (lopp2 == -1)
						break;
					kirjem[index++]= kirje.substring((algus2 == 1 ? 0 : algus2), lopp2);
				}
				vWeb.addElement(kirjem);
			}	
			while(cgNet.size() != 0)
				cgNet.delete(0);
			for (int i = 0; i < vWeb.size(); i++) {
				String[] s = (String[])vWeb.elementAt(i);
				cgNet.append(s[0],null);
			}
			disp.setCurrent(fNet);
		}
	}
}


/////////////////////////graafika elemendid//////////////////////


class graafika extends Canvas{
	
	Image kaart;
	Image taust;
	public int posx;	//kursori 
	public int posy;	//hetkepositsioon
	int klaius=800;		//kaardi 
	int kkorgus=600;	//suurus
	

	public graafika(){
			taust =Image.createImage(klaius+getWidth(),kkorgus+getHeight());
		try{
			Graphics tg = taust.getGraphics();
			kaart=Image.createImage("/kaart.png");
			tg.drawImage(kaart,getWidth()/2,getHeight()/2,16|4);
		}catch(Exception e){e.printStackTrace();}
	}
	protected void paint(Graphics g){
		try{
			g.drawImage(taust, 0-(posx), 0-(posy), 16|4);
			g.setColor(255,0,0);
			g.drawLine((getWidth()/2)-5,getHeight()/2,(getWidth()/2)+5,getHeight()/2);
			g.drawLine(getWidth()/2,(getHeight()/2)-5,getWidth()/2,(getHeight()/2)+5);
		}catch(Exception e){e.printStackTrace();}
	}
	protected void keyPressed(int kood){
		if(getGameAction(kood)==Canvas.LEFT){
			if (posx>0){posx--;}
		}
		if(getGameAction(kood)==Canvas.RIGHT){
			if (posx<klaius){posx++;}
		}
		if(getGameAction(kood)==Canvas.UP){
			if (posy>0){posy--;}
		}
		if(getGameAction(kood)==Canvas.DOWN){
			if (posy<kkorgus){posy++;}
		}
		repaint();
	}
}



///////////////////Salvestus/////////////////////////

class Kirjed {
	RecordStore rs;
	RecordEnumeration re;

	public Kirjed() {
		try {
			rs = RecordStore.openRecordStore("kohad", true);
			re = rs.enumerateRecords(null, null, false);
		}
		catch(Exception e) { e.printStackTrace(); }
	}

	public int getPosx(String s) {
		return Integer.parseInt(s.substring((s.indexOf("X=")+2),s.indexOf("Y=")));
	}
	
	public int getPosy(String s) {
		return Integer.parseInt(s.substring(s.indexOf("Y=") + 2));
	}

	public String getName(String s) {
		return s.substring(0, s.indexOf(";"));
	}
	
	public String getDesc(String s) {
		return s.substring(s.indexOf(";")+1,s.indexOf("X="));
	}

	public void lisaKirje(String name, String desc, int x, int y) {
		String sKirje = name + ";"+desc+"X=" + Integer.toString(x)+"Y=" + Integer.toString(y);
   		try {
			byte[] b = getBytes(sKirje);
			rs.addRecord(b, 0, b.length);
		}
		catch(Exception e) { e.printStackTrace(); }
	}

	public void kustutaKirje(int indeks){
		try{
			rs.deleteRecord(indeks);
			re.rebuild();
		}catch(Exception e){e.printStackTrace();}
	}

	public Vector votaKirjed() {
		Vector vReturn = new Vector();
   		try {
			while (re.hasNextElement()) {
				int id=re.nextRecordId();
				String s = Bytes2String(rs.getRecord(id));
				String[] s1 = {String.valueOf(id), getName(s), getDesc(s), String.valueOf(getPosx(s)), String.valueOf(getPosy(s)) };
				vReturn.addElement(s1);
			}
		}
		catch(Exception e) { e.printStackTrace(); }
		return vReturn;
	}

	public byte[] getBytes (String s) {
		byte[] bReturn = "".getBytes();
		try {
			ByteArrayOutputStream bos = new ByteArrayOutputStream();
			DataOutputStream dos = new DataOutputStream(bos);
			dos.writeUTF(s);
			bReturn = bos.toByteArray();
			dos.close();
		}
		catch(Exception e) { e.printStackTrace(); }
		return bReturn;
	}

	public String Bytes2String (byte[] bBuffer) {
		String sReturn = "";
		try {
			DataInputStream dis = new DataInputStream(new ByteArrayInputStream(bBuffer));
			sReturn = dis.readUTF();
			dis.close();
		}
		catch(Exception e) { e.printStackTrace(); }
		return sReturn;
	}

	protected void Finalize() {
		try { rs.closeRecordStore(); }
		catch(Exception e) { e.printStackTrace(); }
	}
}