package models.controlFlowModel;

import models.NodeAttribute;

/**
 * {@link ObjectNodeAttribute} represents an attribute that the linked object node in a control-flow graph has.
 */
public class ObjectNodeAttribute extends NodeAttribute {
	private final ObjectNode objectNode;
	private String shapeStyle = "";
	
	public ObjectNodeAttribute(final ObjectNode objectNode) {
		this.objectNode = objectNode;
		this.objectNode.setAttribute(this);
		
		// Setting a shape style of cell
		if (objectNode instanceof StatefulObjectNode) {
			shapeStyle = "shape=ellipse;perimeter=ellipsePerimeter;";
		} else if (objectNode instanceof EventChannelObjectNode) {
			shapeStyle = "shape=rectangle;perimeter=rectanglePerimeter;";
		} else {
			shapeStyle = "shape=hexagon;perimeter=hexagonPerimeter;";
		}
		
		// Setting a name of a cell
		if (objectNode.name != null) return;
//		if (objectNode.name.isEmpty()) return;
		
		if (objectNode instanceof StatefulObjectNode) {
			objectNode.name = objectNode.getName();
		} else if (objectNode instanceof EventChannelObjectNode) {
			objectNode.name = "entryPoint";
		}
	}
	
	/**
	 * Get an object node that the attribute is linked to.
	 *
	 * @return an object node that the attribute is linked to.
	 */
	public ObjectNode getObjectNode() {
		return objectNode;
	}
	
	public String getDefaultStyle() {
		String style = ";";
		
		return shapeStyle + style;
	}
	
	/**
	 * Get the color of a selected cell.
	 */
	public String getEnableStyle() {
		String style = "fillColor=#7fffd4;";
		style += "strokeColor=#66cdaa;";
		style += "strokeWidth=2;";
		
		return shapeStyle + style;
	}
	
	/**
	 * Get the color of an unselected cell.
	 */
	public String getDisableStyle() {
		String style = "fillColor=#999999";
		
		return shapeStyle + style;
	}
	
	/**
	 * Get the color of a cell that can be delegated.
	 */
	public String getDelegatingStyle() {
		String style = "strokeWidth=4;";
		style += "strokeColor=#4169e;";
		
		return shapeStyle + style;
	}
	
	/**
	 * Get the cell's name that displayed on GUI
	 */
	@Override
	public String toString() {
		return objectNode instanceof StatefulObjectNode
				? ((StatefulObjectNode) objectNode).getResource().getResourceName()
				: objectNode.getName();
	}
}