package com.codigoparallevar.minicards.parts;

import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;

public class Placeholder implements Part {
    private int _left;
    private int _top;
    private int _right;
    private int _bottom;

    public Placeholder(int left, int top, int right, int bottom) {
        _left = left;
        _top = top;
        _right = right;
        _bottom = bottom;
    }

    @Override
    public int getLeft() {
        return _left;
    }

    @Override
    public int getRight() {
        return _right;
    }

    @Override
    public int getTop() {
        return _top;
    }

    @Override
    public int getBottom() {
        return _bottom;
    }

    @Override
    public void draw(Canvas canvas) {
        Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
        paint.setColor(Color.WHITE);

        // Top
        canvas.drawLine(_left, _top, _right, _top, paint);
        // Bottom
        canvas.drawLine(_left, _bottom, _right, _bottom, paint);
        // Left
        canvas.drawLine(_left, _top, _left, _bottom, paint);
        // Right
        canvas.drawLine(_right, _top, _right, _bottom, paint);
        // Cross, top-left, bottom-right
        canvas.drawLine(_left, _top, _right, _bottom, paint);
        // Cross, top-right, bottom-left
        canvas.drawLine(_right, _top, _left, _bottom, paint);
    }

    @Override
    public void move(int x, int y) {
        final int width = _right - _left;
        final int height = _bottom - _top;

        _left = x - width / 2;
        _right = _left + width;

        _top = y - height / 2;
        _bottom = _top + height;
    }
}