import javax.microedition.lcdui.*;
import java.util.Random;


class DrawGame extends Canvas{
 
 int[][] buttons = new int[8][4];
 boolean algus = true; 
 boolean playerMove = true;
 int activeButton;
 int activePlace;
 int selectedButton;
 int activeRow;
 int activeCell;
 int targetRow;
 int targetCell;
 int otherRow;
 int otherCell;
 int computerRow;
 int computerCell;
 boolean buttonSelected = false;
 int places;

 // Nuppude asukohtade massiivi loomine

 protected void algseis(){
  for (int i = 0; i <= 7; i++){
   for (int j = 0; j <= 3; j++){
    if (i == 7){
     buttons[i][j] = 2;
    } else {
     buttons[i][j] = 0;
    }
   }  
  }  
  Random x = new Random();
  int asukoht;
  int piir = 3;
  asukoht = (Math.abs(x.nextInt())) % 4;
  buttons[0][asukoht] = 1;
  algus = false;
 }

 protected void paint(Graphics g){

  int bgLum = 173;            // Tausta heledus
  int freeSpace = 10;         // Servast tühjaks jäätav ala
  int spx, spy, stepx, stepy; // Ruutude andmed   

  // Tausta loomine
  
  g.setColor(bgLum, bgLum, bgLum);
  g.fillRect(0, 0, getWidth(), getHeight());

  // Ruutude väljastus
  
  spy = freeSpace;
  stepx = (getWidth()-(2*freeSpace)) / 8; 
  stepy = (getHeight()-(2*freeSpace)) / 8;
  for (int i = 1; i <= 8; i++){
   spx = freeSpace;
   for (int j = 1; j <= 8; j++){
    if (((i + j) % 2) == 0){
     g.setColor(255, 255, 255);
     g.fillRect(spx, spy, stepx, stepy);
    } else {
     g.setColor(0, 0, 0);
     g.fillRect(spx, spy, stepx, stepy);
    }
    spx = spx + stepx;
   }
   spy = spy + stepy;
  }

  // Nuppude paigutus

  if (algus == true){
   algseis();
  }

  // Arvuti käik

  if (playerMove == false){
   int compRow, compCell;

   boolean muudetud = false; 
   int suva;  
   Random x = new Random();
   //suva = (Math.abs(x.nextInt())) % 2;
   
   if (computerRow % 2 == 0){  // ise +1
    suva = (Math.abs(x.nextInt())) % 2;
    if (suva == 0){
     if (buttons[computerRow + 1][computerCell] == 0){
      buttons[computerRow + 1][computerCell] = 1;
      buttons[computerRow][computerCell] = 0;
      muudetud = true;
     }
    } else {
     if (buttons[computerRow + 1][computerCell + 1] == 0){
      buttons[computerRow + 1][computerCell + 1] = 1;
      buttons[computerRow][computerCell] = 0;
      muudetud = true;
     }
    } 
    if (muudetud == false){
     suva = (Math.abs(x.nextInt())) % 2;
     if (suva == 0){
      if (buttons[computerRow - 1][computerCell] == 0){
       buttons[computerRow - 1][computerCell] = 1;
       buttons[computerRow][computerCell] = 0;
       muudetud = true;
      }
     } else {
      if (buttons[computerRow - 1][computerCell + 1] == 0){
       buttons[computerRow - 1][computerCell + 1] = 1;
       buttons[computerRow][computerCell] = 0;
       muudetud = true;
      }
     }
    }
   } else {  //ise -1
    suva = (Math.abs(x.nextInt())) % 2;
    if (suva == 0){
     if (buttons[computerRow + 1][computerCell] == 0){
      buttons[computerRow + 1][computerCell] = 1;
      buttons[computerRow][computerCell] = 0;
      muudetud = true;
     }
    } else {
     if (buttons[computerRow + 1][computerCell - 1] == 0){
      buttons[computerRow + 1][computerCell - 1] = 1;
      buttons[computerRow][computerCell] = 0;
      muudetud = true;
     }
    } 
    if (muudetud == false){
     suva = (Math.abs(x.nextInt())) % 2;
     if (suva == 0){
      if (buttons[computerRow - 1][computerCell] == 0){
       buttons[computerRow - 1][computerCell] = 1;
       buttons[computerRow][computerCell] = 0;
       muudetud = true;
      }
     } else {
      if (buttons[computerRow - 1][computerCell - 1] == 0){
       buttons[computerRow - 1][computerCell - 1] = 1;
       buttons[computerRow][computerCell] = 0;
       muudetud = true;
      }
     }
    }                      
   }  

   //buttons[0][asukoht] = 1;



   if (computerRow < 7 && muudetud == true){
    playerMove = true;
   }
  }

  
  // Nuppude väljastus

  int lahter;
  int button = 1;
  int place = 1;

  for (int i = 0; i <= 7; i++){
   lahter = 0;
   if (((i) % 2) == 0){
    lahter++;
   }


   for (int j = 0; j <= 3; j++){

    // Üksiku nupu väljastus
    
    if (buttons[i][j] == 1){
     computerRow = i;
     computerCell = j;
     g.setColor(0,0,255);
     g.fillRect(freeSpace+((lahter)*stepx),freeSpace+((i)*stepy),10,10);
    }

    // Aktiveeritud platside väljastus
    
    if (buttons[i][j] == 3){
     if (place == activePlace){
      g.setColor(bgLum, bgLum, bgLum);
      g.fillRect(freeSpace+((lahter)*stepx),freeSpace+((i)*stepy),stepx,stepy);
      targetRow = i;
      targetCell = j;
     } else {
      g.setColor(220,220,0);
      g.fillRect(freeSpace+((lahter)*stepx),freeSpace+((i)*stepy),10,10);
      otherRow = i;
      otherCell = j;
     }
     place++;
    }

    // Nelja nupu väljastus 

    if (buttons[i][j] == 2){
     
     g.setColor(100,150,200);

     if (button == activeButton){
      g.setColor(0,255,0); 
     } 
     if (button == selectedButton){
      g.setColor(200,150,100);
      activeRow = i;
      activeCell = j;
 
      int newRow = i-1;
      int newCell = j-1;
      places = 0;
      if (newRow >= 0 && buttons[newRow][j] == 0){
       places = 1;
       buttons[newRow][j] = 3;
      }
      if (newCell >= 0 && buttons[newRow][j-1] == 0){
       places = 2;
       if (i % 2 == 0){
        buttons[newRow][j+1] = 3;
       } else { 
        buttons[newRow][j-1] = 3; 
       }
      }
      if (places != 0){
       buttonSelected = true;
       selectedButton = 0;
       activePlace = 1;
       place = 1;
      }
      button++;
     } 
   
     g.fillRect(freeSpace+((lahter)*stepx),freeSpace+((i)*stepy),10,10);
     button++;
    }
    lahter += 2; 
   }  
  }  


  
 }

 protected void keyPressed(int kood){
  if (buttonSelected == false){
   if(getGameAction(kood)==Canvas.LEFT){ activeButton--; }
   if(getGameAction(kood)==Canvas.RIGHT){ activeButton++; }
   if (activeButton > 4){ activeButton = 1; }
   if (activeButton < 1){ activeButton = 4; }
   if(getGameAction(kood)==Canvas.FIRE){ selectedButton = activeButton; }
  } else {
   if(getGameAction(kood)==Canvas.LEFT){ activePlace--; }
   if(getGameAction(kood)==Canvas.RIGHT){ activePlace++; }
   if (activePlace > places){ activePlace = 1; }
   if (activePlace < 1){ activePlace = places; }
   if(getGameAction(kood)==Canvas.FIRE){ 
    buttonSelected = false; 
    buttons[activeRow][activeCell] = 0;
    buttons[targetRow][targetCell] = 2;
    buttons[otherRow][otherCell] = 0;
    playerMove = false;
   }
  }

  
  repaint();
 }

}