package startLab6.shapes;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.util.ArrayList;
import java.util.List;

/**
 * @author hornick
 * @version 1.0
 * @created 21-Jan-2014 6:13:49 PM
 */
public class ShapeManager {

	private Color currentFillColor = Color.BLUE;
	private boolean currentLabelFlag = false;
	private Color currentOutlineColor = Color.BLACK;
    private boolean outlineEnabledFlag = false;

	/**
	 * The currently active shape-creation parameters. Any new shapes created via a
	 * call to ShapeManager's addShape() method will use these parameters. These are
	 * the default values, but they may be modified by calling this ShapeManager's
	 * mutator methods.
	 */
	private Shape.ShapeType currentShape = Shape.ShapeType.Rectangle;
	/**
	 * The number automatically assigned to each new Shape created by the ShapeManager;
	 * automatically incremented with each new Shape created.
	 */
	private static int sequenceNumber = 0;
	/**
	 * Main shape collection managed by ShapeManager
	 */
	private List<Shape> shapes;
	/**
	 * standard Singleton attribute
	 */
	private static ShapeManager uniqueInstance = null;

	/**
	 * Default constructor.
	 */
	public ShapeManager(){
        shapes = new ArrayList<Shape>(); // TODO: UNDO
	}

	/**
	 * Causes the ShapeManager to create a new shape based on the currently selected
	 * parameters, and add the new shape to it's collection.
	 * 
	 * @param start    coordinates specifying where the new shape starts
	 * @param end    coordinates specifying where the new shape ends
	 */
	public void createNewShape(Point start, Point end){
        // TODO: Stub
	}

    /**
     * @return the currentFillColor
     */
    public Color getCurrentFillColor(){
        return currentFillColor;
    }

    /**
     * @return the currentOutlineColor
     */
    public Color getCurrentOutlineColor(){
        return currentOutlineColor;
    }

    /**
     * @return the currentShape
     */
    public AbstractShape.ShapeType getCurrentShape(){
        return currentShape;
    }

    /**
     * Iterate over & draw shapes
     *
     * @param g -- Target graphics object
     */
    public void draw(Graphics g) {
        // TODO: stub
    }

	/**
	 * @return the currentLabelFlag
	 */
	public boolean isCurrentLabelFlag(){
		return currentLabelFlag;
	}

    /**
     * @return true if drawing outlined shapes is enabled.
     */
    public boolean isOutlineEnabled() {
        return outlineEnabledFlag;
    }

	/**
	 * Remove a shape from the collection
	 * 
	 * @param shape    the Shape to be removed, including its descendants
	 */
	public void removeShape(Shape shape){
        // TODO: Stub.
	}

	/**
	 * 
	 * @param currentFillColor    the currentFillColor to set
	 */
	public void setCurrentFillColor(Color currentFillColor){
        this.currentFillColor = currentFillColor;
	}

	/**
	 * 
	 * @param currentLabelFlag    the currentLabelFlag to set
	 */
	public void setCurrentLabelFlag(boolean currentLabelFlag){
        this.currentLabelFlag = currentLabelFlag;
	}

    /**
     *
     * @param outlineEnabledFlag if true, enable drawing outlines.
     */
    public void setOutlineEnabledFlag(boolean outlineEnabledFlag) {
        this.outlineEnabledFlag = outlineEnabledFlag;
    }

	/**
	 * 
	 * @param currentOutlineColor    the currentOutlineColor to set
	 */
	public void setCurrentOutlineColor(Color currentOutlineColor){
        this.currentOutlineColor = currentOutlineColor;
	}

	/**
	 * 
	 * @param currentShape    the currentShape to set
     * EXTRA CREDIT TODO: Eliminate ShapeType enum and use a FactoryPattern to handle this!
	 */
	public void setCurrentShape(Shape.ShapeType currentShape){
        this.currentShape = currentShape;
	}
}