<?php

namespace QueryPathTests;

use QueryPath\CSS\EventHandler;

/**
 * Testing harness for the EventHandler.
 *
 * @ingroup querypath_tests
 * @group   CSS
 */
class TestEventHandler implements EventHandler
{

	public $stack;
	public $expect = [];

	public function __construct()
	{
		$this->stack = [];
	}

	public function getStack()
	{
		return $this->stack;
	}

	public function dumpStack()
	{
		print "\nExpected:\n";
		$format = "Element %d: %s\n";
		foreach ($this->expect as $item) {
			printf($format, $item->eventType(), implode(',', $item->params()));
		}

		print "Got:\n";
		foreach ($this->stack as $item) {
			printf($format, $item->eventType(), implode(',', $item->params()));
		}
	}

	public function expectsSmth($stack)
	{
		$this->expect = $stack;
	}

	public function success()
	{
		return ($this->expect == $this->stack);
	}

	public function elementID($id)
	{
		$this->stack[] = new TestEvent(TestEvent::ELEMENT_ID, $id);
	}

	public function element($name)
	{
		$this->stack[] = new TestEvent(TestEvent::ELEMENT, $name);
	}

	public function elementNS($name, $namespace = null)
	{
		$this->stack[] = new TestEvent(TestEvent::ELEMENT_NS, $name, $namespace);
	}

	public function anyElement()
	{
		$this->stack[] = new TestEvent(TestEvent::ANY_ELEMENT);
	}

	public function anyElementInNS($ns)
	{
		$this->stack[] = new TestEvent(TestEvent::ANY_ELEMENT_IN_NS, $ns);
	}

	public function elementClass($name)
	{
		$this->stack[] = new TestEvent(TestEvent::ELEMENT_CLASS, $name);
	}

	public function attribute($name, $value = null, $operation = EventHandler::IS_EXACTLY)
	{
		$this->stack[] = new TestEvent(TestEvent::ATTRIBUTE, $name, $value, $operation);
	}

	public function attributeNS($name, $ns, $value = null, $operation = EventHandler::IS_EXACTLY)
	{
		$this->stack[] = new TestEvent(TestEvent::ATTRIBUTE_NS, $name, $ns, $value, $operation);
	}

	public function pseudoClass($name, $value = null)
	{
		$this->stack[] = new TestEvent(TestEvent::PSEUDO_CLASS, $name, $value);
	}

	public function pseudoElement($name)
	{
		$this->stack[] = new TestEvent(TestEvent::PSEUDO_ELEMENT, $name);
	}

	public function directDescendant()
	{
		$this->stack[] = new TestEvent(TestEvent::DIRECT_DESCENDANT);
	}

	public function anyDescendant()
	{
		$this->stack[] = new TestEvent(TestEvent::ANY_DESCENDANT);
	}

	public function adjacent()
	{
		$this->stack[] = new TestEvent(TestEvent::ADJACENT);
	}

	public function anotherSelector()
	{
		$this->stack[] = new TestEvent(TestEvent::ANOTHER_SELECTOR);
	}

	public function sibling()
	{
		$this->stack[] = new TestEvent(TestEvent::SIBLING);
	}
}