<?php


namespace Rpc;


use Exception;
use Snowflake\Abstracts\Component;
use Snowflake\Snowflake;


/**
 * Class Producer
 * @package Rpc
 */
class Producer extends Component
{

	private array $producers = [];


	private array $classAlias = [];


	private array $consumers = [];


	/**
	 * @param string $name
	 * @param array $handler
	 * @param array $node
	 */
	public function addProducer(string $name, array $handler, array $node)
	{
		$this->classAlias[get_class($handler[0])] = $name;

		$this->consumers[$name] = $handler[0];

		$this->producers[$name] = $node;
	}


	/**
	 * @param $name
	 * @return mixed
	 * @throws Exception
	 */
	public function get($name): mixed
	{
		if (!isset($this->consumers[$name])) {
			throw new Exception('Unknown rpc client.');
		}
		return $this->consumers[$name];
	}


	/**
	 * @param string $name
	 * @return mixed
	 * @throws Exception
	 */
	public function getClient(string $name): Client
	{
		if (!is_array($producer = $this->producers[$name] ?? null)) {
			throw new Exception('Unknown rpc client config.');
		}
		$producerName = $this->getName($name, $producer);

		$snowflake = Snowflake::app();
		if (!$snowflake->has($producerName)) {
			return $snowflake->set($producerName, ['class' => Client::class, 'config' => $producer]);
		} else {
			return $snowflake->get($producerName);
		}
	}


	/**
	 * @param $name
	 * @return Client|bool
	 * @throws Exception
	 */
	public function __get($name): Client|bool
	{
		return $this->get($name); // TODO: Change the autogenerated stub
	}


	/**
	 * @param $name
	 * @param $rand
	 * @return string
	 */
	private function getName($name, $rand): string
	{
		return 'rpc.client.' . $name . '.' . $rand['host'];
	}

}