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

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

	Form fMain				= new Form ("Bensukad");
	Form fBensukad			= new Form ("Hinnad");
	Form fNet				= new Form ("Internet ");
	Form fWeb				= new Form ("Hinnad");

	ChoiceGroup cgPlaces	= new ChoiceGroup( "Bensu hinnad", 1);

	Command cKaart			= new Command ( "Kaart", Command.SCREEN, 1);
	Command cWeb			= new Command ( "Internet", Command.SCREEN,1);

	Command cVaata			= new Command ( "Vaata bensukaid", Command.SCREEN, 1);
	Command cMain			= new Command ( "Peamenüü", Command.BACK, 1);

	Command cList			= new Command ( "Veeb", Command.SCREEN, 1);
	Command cMap			= new Command ( "netist -> kaardile", Command.SCREEN,1 );

	Command cNaita			= new Command ( "Näita kaardil", Command.SCREEN,1);
	Command cTagasi			= new Command ( "Tagasi", Command.BACK, 1);
	
	Display disp=Display.getDisplay(this);
	graafika kaart=new graafika();

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

		fWeb.addCommand(cMain);
		fWeb.setCommandListener(this);

		fBensukad.append(cgPlaces);
		fBensukad.addCommand(cNaita);
		fBensukad.addCommand(cTagasi);
		fBensukad.setCommandListener(this);

		fNet.addCommand(cList);
		fNet.addCommand(cMap);
		fNet.addCommand(cMain);
		fNet.setCommandListener(this);

		fMain.append("bensukad paides koos hindadega");
		fMain.addCommand(cKaart);
		fMain.addCommand(cWeb);
		fMain.setCommandListener(this);

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

		disp.setCurrent(fMain);
	}

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

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

		if (command == cVaata){
			disp.setCurrent(fBensukad);
		}

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

		if (command == cList){
			Veebilugeja listVeeb=new Veebilugeja(1);
			listVeeb.start();
		}

		if (command == cMap){
			Veebilugeja mapVeeb=new Veebilugeja(2);
			mapVeeb.start();
		}

		if (command == cNaita){
			int mitmes=cgPlaces.getSelectedIndex();
			String[] vk = (String[]) vKirjed.elementAt(mitmes);
			kaart.benx=Integer.parseInt(vk[2]);
			kaart.beny=Integer.parseInt(vk[3]);
			disp.setCurrent(kaart);
		}

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

	}

	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/";
		public String tekst="";
		int mis=0;
		public Veebilugeja(int kuhu){
			switch(kuhu){
				case 1: url="http://shad.dynserv.com:6060/shad/mobla.jsp";
						break;
				case 2: url="http://shad.dynserv.com:6060/shad/koordinaat.jsp?x="+kaart.posx+"&y="+kaart.posy;
						break;
			}
			mis=kuhu;
		}
		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();
				}
			}
				switch (mis){
					case 1:
						System.out.println(tekst);
						fWeb.append(tekst);
						disp.setCurrent(fWeb);
						break;
					case 2:
						int ajut=0;
						while (vKirjed.size()>0){
							vKirjed.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);
							}
							vKirjed.addElement(kirjem);
						}	
						while(cgPlaces.size() != 0)
							cgPlaces.delete(0);
						for (int i = 0; i < vKirjed.size(); i++) {
							String[] s = (String[])vKirjed.elementAt(i);
							cgPlaces.append(s[0]+"->"+s[1],null);
						}
						disp.setCurrent(fBensukad);
						break;
				}
		}
	}
}
/////////////////////////graafika elemendid//////////////////////


class graafika extends Canvas{
	
	Image kaart;
	public int posx;	//kursori 
	public int posy;	//hetkepositsioon
	public int benx=0, beny=0;
	int klaius=800;		//kaardi 
	int kkorgus=600;	//suurus
	

	public graafika(){
		try{kaart=Image.createImage("/kaart.png");}catch(Exception e){e.printStackTrace();}
	}
	protected void paint(Graphics g){
		try{
			g.drawImage(kaart, 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);
			g.fillArc(benx-posx,beny-posy,5,5,0,360);
		}catch(Exception e){e.printStackTrace();}
	}
	protected void keyPressed(int kood){
		if(getGameAction(kood)==Canvas.LEFT){
			if (posx>getWidth()/2){posx--;}
		}
		if(getGameAction(kood)==Canvas.RIGHT){
			if (posx<klaius-getWidth()/2){posx++;}
		}
		if(getGameAction(kood)==Canvas.UP){
			if (posy>getHeight()/2){posy--;}
		}
		if(getGameAction(kood)==Canvas.DOWN){
			if (posy<kkorgus-getHeight()/2){posy++;}
		}
		repaint();
	}
}