<?php


namespace Snowflake\Annotation;

use Exception;
use ReflectionClass;
use ReflectionException;
use Snowflake\Abstracts\BaseAnnotation;
use Snowflake\Exception\NotFindClassException;
use Snowflake\Snowflake;

/**
 * Class Annotation
 * @package Snowflake\Snowflake\Annotation
 * @property Websocket $websocket
 */
class Annotation extends BaseAnnotation
{

	protected $_Scan_directory = [];

	public $namespace = '';

	public $prefix = '';

	public $path = '';


	private $_classMap = [
		'websocket' => Websocket::class
	];


	/**
	 * @param $name
	 * @param $class
	 */
	public function register($name, $class)
	{
		$this->_classMap[$name] = $class;
	}


	/**
	 * @throws ReflectionException
	 */
	public function registration_notes()
	{
		if (!is_array($this->path)) {
			return;
		}
		foreach ($this->path as $item) {
			$this->scanning($item);
		}
	}

	/**
	 * @param string $path
	 * @throws ReflectionException
	 * @throws Exception
	 */
	protected function scanning($path = '')
	{
		if (empty($path)) {
			$path = rtrim($this->path, '/');
		}
		foreach (glob($path . '/*') as $file) {
			if (is_dir($file)) {
				$this->scanning($path);
			}

			$explode = explode('/', $file);

			$class = str_replace('.php', '', end($explode));

			$reflect = new ReflectionClass($this->namespace . $class);

			$methods = $reflect->getMethods(\ReflectionMethod::IS_PUBLIC);
			if (empty($methods) || !$reflect->isInstantiable()) {
				continue;
			}
			$this->resolve($reflect, $methods);
		}
	}


	/**
	 * @param ReflectionClass $class
	 * @param array $methods
	 * @throws Exception
	 */
	public function resolve(ReflectionClass $class, array $methods)
	{
		throw new Exception('Undefined analytic function.');
	}


	/**
	 * @param $path
	 * @param mixed ...$param
	 * @return bool|mixed
	 */
	public function runWith($path, $param)
	{
		if (!$this->has($path)) {
			return null;
		}
		return call_user_func($this->_Scan_directory[$path], ...$param);
	}


	/**
	 * @param $name
	 * @param $callback
	 */
	public function push($name, $callback)
	{
		$this->_Scan_directory[$name] = $callback;
	}


	/**
	 * @param $path
	 * @return bool|mixed
	 */
	public function has($path)
	{
		return isset($this->_Scan_directory[$path]);
	}


	/**
	 * @param $name
	 * @return mixed|null
	 * @throws ReflectionException
	 * @throws NotFindClassException
	 * @throws Exception
	 */
	public function __get($name)
	{
		if (isset($this->_classMap[$name])) {
			return Snowflake::createObject($this->_classMap[$name]);
		}
		return parent::__get($name); // TODO: Change the autogenerated stub
	}


}