import java.applet.Applet;
import java.awt.*;
//
// Stellar Crisis Battle Calculator Applet
// Written for the JDK 1.02 by Mike Wise in 1997
// 
// If you understand GridBagLayout, then this is no biggie.
// if you don't, forget it.
//
// The actual battle calcuations are done in Scfleet.java
// 
public class Sccalc extends Applet {
  int nrows;
  int nfights=1;
  Panel prop;
  TextField tfNa[];
  TextField tfNb[];
  TextField tfBRa[];
  TextField tfBRb[];
  TextField tfFa;
  TextField tfFb;
  

  TextField tfTota;
  TextField tfTotBRa;
  TextField tfResa;
  TextField tfResBRa;

  TextField tfTotb;
  TextField tfTotBRb;
  TextField tfResb;
  TextField tfResBRb;

  TextArea  taResult;
  GridBagLayout gbl = new GridBagLayout();
  int rcount;

  private void additat( Component comp,int x,int y,int w,int h ){
    GridBagConstraints gbc = new GridBagConstraints();
    gbc.gridx      = x;
    gbc.gridy      = y;
    gbc.gridwidth  = w;
    gbc.gridheight = h;
    gbc.insets = new Insets(1,1,1,1);
    gbl.setConstraints( comp, gbc );
    add( comp );
  }

  private void addlabel( String s,int x,int y,int w,int h,Color c ){
    // had to do this to set the color
    Label lab = new Label( s );
    lab.setForeground( c );
    additat( lab, x,y,w,h );
  }

  private void addlabel( String s,int x,int y,int w,int h ){
    addlabel( s,x,y,w,h,Color.yellow );
  }

  public void reset(){
    for( int i=0; i<nrows; i++ ){
      tfNa[i].setText("0");
      tfNb[i].setText("0");
      tfBRa[i].setText("1.0");
      tfBRb[i].setText("1.0");
    }
    tfFa.setText("1.00");
    tfFb.setText("1.00");

    tfTota.setText("---");
    tfTotb.setText("---");
    tfTotBRa.setText("---");
    tfTotBRb.setText("---");
    tfResa.setText("---");
    tfResb.setText("---");
    tfResBRa.setText("---");
    tfResBRb.setText("---");
  }

  public void init(){

    int y=0;
    rcount = 0;

    gbl = new GridBagLayout();
    setLayout( gbl );

    setBackground(  Color.black );
    setForeground(  Color.white );

    taResult = new TextArea( 16,40 );
    additat( taResult, 9,2,4,12 );

    nrows = 6;
    tfNa  = new TextField[ nrows ];
    tfNb  = new TextField[ nrows ];
    tfBRa = new TextField[ nrows ];
    tfBRb = new TextField[ nrows ];
    // labels
    addlabel( "A-Fleet", 2,y,2,1 );
    addlabel( "B-Fleet", 5,y,2,1 );

    y++;
    addlabel( "Num", 2,y,1,1 );
    addlabel( "BR",  3,y,1,1 );

    addlabel( "Num", 5,y,1,1 );
    addlabel( "BR",  6,y,1,1 );

    // input fields
    for( int i=0; i<nrows; i++ ){

      y = 3+i;

      tfNa[i]  = new TextField(2);
      tfNb[i]  = new TextField(2);
      tfBRa[i] = new TextField(4);
      tfBRb[i] = new TextField(4);

      additat( tfNa[i],  2,y,1,1 );
      additat( tfBRa[i], 3,y,2,1 );
      additat( tfNb[i],  5,y,1,1 );
      additat( tfBRb[i], 6,y,2,1 );

      tfNa[i].setText("0");
      tfNb[i].setText("0");
      tfBRa[i].setText("1.0");
      tfBRb[i].setText("1.0");
    }

    

    y = 3+nrows+1;
    addlabel( "Fuel", 2,y,1,1 );
    tfFa = new TextField(4);
    additat( tfFa,3,y,1,1 );

    addlabel( "Fuel", 5,y,1,1 );
    tfFb = new TextField(4);
    additat( tfFb,6,y,1,1 );

    y++;
    addlabel( "Before",2,y,1,1,Color.green );
    tfTota = new TextField(4);
    additat( tfTota,3,y,1,1 );
    tfTotb = new TextField(4);
    additat( tfTotb,5,y,1,1 );
    addlabel( "Ships",6,y,1,1,Color.green );

    y++;
    tfTotBRa = new TextField(4);
    additat( tfTotBRa,3,y,1,1 );
    tfTotBRb = new TextField(4);
    additat( tfTotBRb,5,y,1,1 );
    addlabel( "BR",6,y,1,1,Color.green );

    y++;
    addlabel( "After",2,y,1,1,Color.red );
    tfResa = new TextField(4);
    additat( tfResa,3,y,1,1 );
    tfResb = new TextField(4);
    additat( tfResb,5,y,1,1 );
    addlabel( "Ships",6,y,1,1,Color.red );

    y++;
    tfResBRa = new TextField(4);
    additat( tfResBRa,3,y,1,1 );
    tfResBRb = new TextField(4);
    additat( tfResBRb,5,y,1,1 );
    addlabel( "BR",6,y,1,1,Color.red );

    additat( new Button("Fight"),  9,y,1,1 );
    additat( new Button("Reset"), 11,y,1,1 );
    reset();
  }

  public void fight(){

    //build the A-fleet
    Scfleet af = new Scfleet( "A-fleet" );
    for (int i=0; i<nrows; i++ ){
      af.addships( tfNa[i].getText(), tfBRa[i].getText() );
    }
    af.fuel = Double.valueOf(tfFa.getText()).doubleValue();

    // now build the B-fleet
    Scfleet bf = new Scfleet( "B-fleet" );
    for (int i=0; i<nrows; i++ ){
      bf.addships( tfNb[i].getText(), tfBRb[i].getText() );
    }
    bf.fuel = Double.valueOf(tfFb.getText()).doubleValue();

    //before text
    tfTota.setText( ""+ af.nships );
    tfTotb.setText( ""+ bf.nships );
    double BRa = af.computeBR();
    double BRb = bf.computeBR();
    tfTotBRa.setText( ""+ BRa );
    tfTotBRb.setText( ""+ BRb );

    //fight
    af.absorbDamage( BRb );// This is where the actual fight routines 
    bf.absorbDamage( BRa );//   get called

    //results
    String aout = af.report();
    String bout = bf.report();
    tfResa.setText( ""+ (af.nships-af.nkilled) );
    tfResb.setText( ""+ (bf.nships-bf.nkilled) );

    double rBRa = af.computeBR();
    double rBRb = bf.computeBR();
    tfResBRa.setText( ""+ rBRa );
    tfResBRb.setText( ""+ rBRb );

    taResult.appendText( "Fight "+ (nfights++) +" ===================\n"+
			 aout+"\n"+bout+"\n" );
  }

  public boolean action(Event e,Object o){
    if (e.target instanceof Button){
      Button but = (Button) e.target;
      if (but.getLabel().equals("Fight")){
	rcount++;
	//  ResultFrame f = new ResultFrame("Result "+rcount);
	//  f.show();
	fight();
	return true;
      }
      else if (but.getLabel().equals("Reset")){
	reset();
	return true;
      }
    }
    return false;
  }
}