package Battleship;

import java.util.ArrayList;

public class Ship {

	public enum Direction {NORTH, EAST, WEST, SOUTH};
	private Direction direction;
	private int length;
	private Integer x,y;
	private boolean[] hit;

	
	public Ship(Direction direction, int length, int x, int y) {
		this.x = x;
		this.y = y;
		this.length = length;
		this.direction = direction;
		hit = new boolean[length];
	}
	
	public Ship() {
	}
	
	public Direction getDirection() {
		return direction;
	}
	
	public void setDirection(Direction direction) {
		this.direction = direction;
	}
	
	public int getLength() {
		return length;
	}
	
	public void setLength(int length) {
		this.length = length;
	}
	
	public int getX() {
		return x;
	}
	
	public void setX(int x) {
		this.x = x;
	}
	
	public int getY() {
		return y;
	}
	
	public void setY(int y) {
		this.y = y;
	}
	
	public ArrayList<Coordinate> getCoordinates() {
		ArrayList<Coordinate> coords = new ArrayList<Coordinate>();
		
		if(direction == Direction.NORTH) {
			for (int i = 0; i < length; i++) {
				coords.add(new Coordinate(x-i,y));
			}
		} else if(direction == Direction.SOUTH) {
			for (int i = 0; i < length; i++) {
				coords.add(new Coordinate(x+i,y));
			}
		} else if(direction == Direction.EAST) {
			for (int i = 0; i < length; i++) {
				coords.add(new Coordinate(x,y+i));
			}
		} else if(direction == Direction.WEST) {
			for (int i = 0; i < length; i++) {
				coords.add(new Coordinate(x,y-i));
			}
		}
		return coords;
	}
	
	public boolean occupiesCoordinate(Coordinate coord) {
		for (Coordinate c : getCoordinates()) {
			if(c.getX() == coord.getX() && c.getY() == coord.getY()) return true;
		}
		
		return false;
	}
	
	public boolean hit(int x, int y) {
		for (int i = 0; i < length; i++) {
			if((getCoordinates().get(i).getY() == y)&&(getCoordinates().get(i).getX() == x)) {
				hit[i] = true;
				return true;
			}
		}
		return false;
	}
	
	public void resetHitTable() {
		for (int i = 0; i < hit.length; i++) {
			hit[i] = false;
		}
		hit = new boolean[length];
	}
	
	public boolean sunken() {
		for (int i = 0; i < hit.length; i++) {
			if(hit[i] == false) return false;
		}
		return true;
	}
}