import javax.swing.*;
import javax.swing.plaf.basic.BasicBorders;
import java.awt.*;
import java.util.ArrayList;
import java.util.Random;

public class Simulation extends JFrame {

    Board simulation_board;
    private JPanel[][] panels;
    int panel_side, animal_side, width_board, height_board;
    ArrayList <Hare> harelist = new ArrayList<>();
    Wolf wolf;

    Simulation(int w_b, int h_b, int hares_quantity, int k) {
        width_board = w_b;
        height_board = h_b;
        panel_side = Math.min(850 / width_board, 850 / height_board);
            System.out.println("Panel side: " + panel_side);
        animal_side = (int) (panel_side * 0.8);
            System.out.println("Animal side: " + animal_side);
        /**
         *  Pomocnicza tablica animal_position do zapisania położenia zwierząt na planszy
         *  0 - pole puste
         *  1 - zając
         *  2 - wilk
         **/

        setVisible(true);
        setLocation(90, 5);
        setSize(width_board * panel_side, height_board * panel_side);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        panels = new JPanel[width_board][height_board];
        simulation_board = new Board();
        JPanel mainPanel = new JPanel();
        mainPanel.setLayout(new BorderLayout());
        mainPanel.setSize(width_board * panel_side, height_board * panel_side);
        mainPanel.setLocation(0,0);
        mainPanel.setBackground(Color.ORANGE);
        mainPanel.add(simulation_board,BorderLayout.CENTER);
        add(mainPanel);
        setVisible(true);

    }

    public class Board extends JPanel {
        Board(){
            setLayout(new GridLayout(height_board, width_board, -1, -1));
            /**
             * Inicjalizacja planszy o podanych (NxM) wymiarach
             */
            System.out.println("Width: "+width_board+", height: "+height_board);
            for(int b=0; b<height_board; b++){
                for(int a=0; a<width_board; a++){
                    //System.out.println("a="+a+", b="+b);
                    panels[a][b] = new JPanel();
                    panels[a][b].setBorder(new BasicBorders.FieldBorder(Color.black,Color.black,Color.black,Color.black));
                    panels[a][b].setBackground(Color.white);
                    add(panels[a][b]);
                }

            }

            /**
             * Wylosowanie pozycji zajęcy i wilka
             */



        }
        public void paintBoard(){
            for(int i =0;i<width_board;i++){
                for(int j =0 ; j< height_board;j++){
                    panels[i][j].removeAll();
                }
            }
            for(Hare hare:harelist){
                //wyświetlanie zająca

            }
            //wyświetlanie wilka
        }
    }

}