package backend;

import java.util.ArrayList;

public class Gride {
    private int height;
    private int width;
    private ArrayList<ArrayList<Cell>> gride; 
    private Simulator simulator;

    public Gride(int height, int width, Simulator tempSimulator) {
        this.height = height;
        this.width = width;
        this.simulator = tempSimulator;

        gride = new ArrayList<>(height);

        for (int i = 0; i < height; i++) {
            this.gride.add(i, new ArrayList<Cell>());
            for (int j = 0; j < width; j++) {
                this.gride.get(i).add(new Cell(0));
            }
        }
    }

    public int getheight() {
        return this.height;
    }

    public int getwidth() {
        return this.width;
    }
    public boolean isLoopingBorder() {
        return simulator.isLoopingBorder();
    }

    public Cell getCell(int row,int column) {
        return gride.get(row).get(column);
    }

    public void setCell(int row, int column, Cell cell){
        this.gride.get(row).set(column, cell);
    }

    public int countAround(int row, int column) {
        int count = 0;
        boolean loopingBorder = isLoopingBorder();
        
        for (int i = row - 1; i <= row + 1; i++) {
            for (int j = column - 1; j <= column + 1; j++) {
                if (i == row && j == column) {
                    continue;
                }
                
                int x = i;
                int y = j;
    
                if (loopingBorder) {
                    x = (x + width) % width;
                    y = (y + height) % height;
                } else {
                    if (x < 0 || x >= width || y < 0 || y >= height) {
                        continue;
                    }
                }
    
                count += this.getCell(x, y).getValue();
            }
        }
        
        return count;
    }
    
    
    
    
    //TODO : set agent (x y agent) load an agent to coordinates x,y

    //TODO : set random (density) create a random gride of determined density 
    public void setRandom(double density) {
        for (int i = 0; i < height; i++) {
            for (int j = 0; j < width; j++) {
                double random = Math.random();
                if (random < density) {
                    gride.get(i).get(j).setValue(1);
                } else {
                    gride.get(i).get(j).setValue(0);
                }
            }
        }
        System.out.println("Created a random field");
    }

    public void serialPrint(){
        for (int i = 0; i < height; i++) {
            System.out.print("\n");
            for (int j = 0; j < width; j++) {
                System.out.print(this.getCell(i, j).getValue() +" ");
            }
        }
    }

}