<?php

namespace Automad\API;

use Automad\Core\Debug;

/**
 * The Response class.
 *
 * @author Marc Anton Dahmen
 * @copyright Copyright (c) 2021-2023 by Marc Anton Dahmen - https://marcdahmen.de
 * @license MIT license - https://automad.org/license
 */
class Response
{
	/** The response code. */
	private ?int $code = null;

	/** The main response data object. */
	private ?array $data = null;

	/** The debug log array. */
	private ?array $debug = null;

	/** The output buffer used for error notifications. */
	private ?string $error = null;

	/** The output buffer used to store a redirect URL. */
	private ?string $redirect = null;

	/** The output buffer used to store the reload state. */
	private ?bool $reload = null;

	/** The output buffer used for success notifications. */
	private ?string $success = null;

	/** The response time. */
	private ?int $time = null;


	/**
	 * The output constructor.
	 */
	public function __construct()
	{
		Debug::log('Instanciated new Response instance');

		$this->setCode(200);
		$this->time = time();
	}


	/**
	 * Return a json encoded and filterd array of properties.
	 *
	 * @return string the json encoded array of response properties
	 */
	public function json(): string
	{
		$properties = array_filter(get_object_vars($this));

		return json_encode($properties, JSON_UNESCAPED_SLASHES);
	}


	/**
	 * Set the response code.
	 *
	 * @see $code
	 * @param int $code
	 * @return Response
	 */
	public function setCode(int $code): Response
	{
		$this->code = $code;
		http_response_code($code);

		return $this;
	}


	/**
	 * Set the response data.
	 *
	 * @see $data
	 * @param array $data
	 * @return Response
	 */
	public function setData(array $data): Response
	{
		$this->data = $data;

		return $this;
	}


	/**
	 * Set the debug property.
	 *
	 * @see $debug
	 * @param array $log
	 * @return Response
	 */
	public function setDebug(array $log): Response
	{
		$this->debug = $log;

		return $this;
	}


	/**
	 * Set the error property.
	 *
	 * @see $error
	 * @param string $value
	 * @return Response
	 */
	public function setError(string $value = ''): Response
	{
		$this->error = $value;

		return $this;
	}


	/**
	 * Set the redirect property.
	 *
	 * @see $redirect
	 * @param string $url
	 * @return Response
	 */
	public function setRedirect(string $url = ''): Response
	{
		$this->redirect = $url;

		return $this;
	}


	/**
	 * Set the reload property.
	 *
	 * @see $reload
	 * @param bool $value
	 * @return Response
	 */
	public function setReload(bool $value): Response
	{
		$this->reload = $value;

		return $this;
	}


	/**
	 * Set the success property.
	 *
	 * @see $success
	 * @param string $value
	 * @return Response
	 */
	public function setSuccess(string $value = ''): Response
	{
		$this->success = $value;

		return $this;
	}
}
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