import java.util.ArrayList;

/**
 * Created by Glizda on 10.05.2017.
 */
public class Node
{
    Coordinates myCoor;
    private Integer color;
    private int[] domain;
    private ArrayList<Coordinates> neighbourhood = new ArrayList<>();

    Node(int sideOfSquare, Coordinates coor)
    {
        color = null;
        myCoor = new Coordinates(coor.x, coor.y);
        setDomain(sideOfSquare);
        findNeighbours(sideOfSquare, coor);
    }

    public void setDomain(int sideOfSquare)
    {
        if(sideOfSquare % 2 == 0)
            domain = new int[2 * sideOfSquare];
        else domain = new int[(2 * sideOfSquare) + 1];
        for(int i : domain)
        {
            domain[i] = i;
        }
    }

    public void findNeighbours(int sideOfSquare, Coordinates coor)//uwaga, zapewnić idiotoodporność na rozmiar tablicy!
    {
        int x = coor.x;
        int y = coor.y;
        if(x == 0)
        {
            if(y == 0)
            {
                //left upper corner
                neighbourhood.add(new Coordinates(1, 0));
                neighbourhood.add(new Coordinates(0, 1));

            }
            if(y == sideOfSquare - 1)
            {
                //left lower corner
                neighbourhood.add(new Coordinates(0, sideOfSquare - 2));
                neighbourhood.add(new Coordinates(1, sideOfSquare - 1));
            }
            else
            {
                //left edge without corners
                neighbourhood.add(new Coordinates(x, y - 1));
                neighbourhood.add(new Coordinates(x + 1, y));
                neighbourhood.add(new Coordinates(x, y + 1));
            }
        }
        else if(x == sideOfSquare - 1)
        {
            if(y == sideOfSquare - 1)
            {
                //right upper corner
                neighbourhood.add(new Coordinates(sideOfSquare - 2, 0));
                neighbourhood.add(new Coordinates(sideOfSquare - 1, 1));
            }
            if(y == sideOfSquare - 1)
            {
                //right lower corner
                neighbourhood.add(new Coordinates(sideOfSquare - 1, sideOfSquare - 2));
                neighbourhood.add(new Coordinates(sideOfSquare - 2, sideOfSquare - 1));
            }
            else
            {
                //right edge without corners
                neighbourhood.add(new Coordinates(x, y - 1));
                neighbourhood.add(new Coordinates(x - 1, y));
                neighbourhood.add(new Coordinates(x, y + 1));
            }
        }
        else if(y == 0)
        {
            //upper edge without corners

            neighbourhood.add(new Coordinates(x, y + 1));
            neighbourhood.add(new Coordinates(x - 1, y));
            neighbourhood.add(new Coordinates(x, y + 1));
        }
        else if(y == sideOfSquare - 1)
        {
            //lower edge without corners

            neighbourhood.add(new Coordinates(x, y - 1));
            neighbourhood.add(new Coordinates(x - 1, y));
            neighbourhood.add(new Coordinates(x + 1, y));
        }
        else
        {
            //common nodes

            neighbourhood.add(new Coordinates(x, y - 1));
            neighbourhood.add(new Coordinates(x - 1, y));
            neighbourhood.add(new Coordinates(x + 1, y));
            neighbourhood.add(new Coordinates(x, y + 1));
        }

    }

    public Integer getColor()
    {
        return color;
    }

    public void setColor(Integer color)
    {
        this.color = color;
    }

    public int[] getDomain()
    {
        return domain;
    }

    public void setDomain(int[] domain)
    {
        this.domain = domain;
    }

    public ArrayList<Coordinates> getNeighbourhood()
    {
        return neighbourhood;
    }

    public void setNeighbourhood(ArrayList<Coordinates> neighbourhood)
    {
        this.neighbourhood = neighbourhood;
    }
}