package models.dataConstraintModel;

import java.util.ArrayList;
import java.util.List;

import models.algebra.Expression;
import models.algebra.Type;
import models.algebra.Symbol;
import models.algebra.Term;

public class ResourcePath extends Symbol {
	protected ResourceHierarchy resourceHierarchy = null;
	protected List<Expression> pathParams = null;
	protected Expression initialValue;
	protected String initText;

	public ResourcePath(String path, ResourceHierarchy resourceHierarchy) {
		super(path, 2);
		this.resourceHierarchy = resourceHierarchy;
		this.pathParams = new ArrayList<>();
	}

	public ResourcePath(String path, ResourceHierarchy resourceHierarchy, List<Expression> pathParams) {
		super(path, 2);
		this.resourceHierarchy = resourceHierarchy;
		this.pathParams = pathParams;
	}
		
//	public ResourcePath getParent() {
//		return resourceHierarchy.getParent();
//	}
//
//	public void setParent(ResourcePath parent) {
//		this.resourceHierarchy.setParent(parent);
//	}

	public String getResourceName() {
		return resourceHierarchy.getResourceName();
	}
	
	public int getNumberOfParameters() {
		return resourceHierarchy.getNumParameters();
	}

	public models.algebra.Type getResourceStateType() {
		return resourceHierarchy.getResourceStateType();
	}

	public void setResourceStateType(models.algebra.Type resourceStateType) {
		this.resourceHierarchy.setResourceStateType(resourceStateType);
		if (initialValue != null) {
			if (initialValue instanceof Term) {
				((Term) initialValue).setType(resourceStateType);
			}
		}
	}
	
	public List<Expression> getPathParams() {
		return pathParams;
	}

	public void setPathParams(List<Expression> pathParams) {
		this.pathParams = pathParams;
	}

	public void addPathParam(Expression pathParam) {
		pathParams.add(pathParam);
	}
	
	public Expression getInitialValue() {
		return initialValue;
	}

	public void setInitialValue(Expression initialValue) {
		this.initialValue = initialValue;
	}

	public String getInitText() {
		return initText;
	}

	public void setInitText(String initText) {
		this.initText = initText;
	}

	public boolean equals(Object another) {
		if (!(another instanceof ResourcePath)) return false;
		return resourceHierarchy.getResourceName().equals(((ResourcePath) another).resourceHierarchy.getResourceName());
	}
	
	public int hashCode() {
		return resourceHierarchy.getResourceName().hashCode();
	}
}