<?php

/**
 * Joomla! Content Management System
 *
 * @copyright   (C) 2019 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\CMS\Document;

use Joomla\CMS\Factory;
use Tobscure\JsonApi\Document;
use Tobscure\JsonApi\ElementInterface;

/**
 * JsonapiDocument class, provides an easy interface to parse output in JSON-API format.
 *
 * @link   http://www.jsonapi.org/
 * @since  4.0.0
 */
class JsonapiDocument extends JsonDocument implements \JsonSerializable
{
    /**
     * The JsonApi Document object.
     *
     * @var    Document
     * @since  4.0.0
     */
    protected $document;

    /**
     * Class constructor.
     *
     * @param   array  $options  Associative array of options
     *
     * @since  4.0.0
     */
    public function __construct($options = array())
    {
        parent::__construct($options);

        // Set mime type to JSON-API
        $this->_mime = 'application/vnd.api+json';
        $this->_type = 'jsonapi';

        if (\array_key_exists('api_document', $options) && $options['api_document'] instanceof Document) {
            $this->document = $options['api_document'];
        } else {
            $this->document = new Document();
        }
    }

    /**
     * Set the data object.
     *
     * @param   ElementInterface  $element  Element interface.
     *
     * @return  $this
     *
     * @since  4.0.0
     */
    public function setData(ElementInterface $element)
    {
        $this->document->setData($element);

        return $this;
    }

    /**
     * Set the errors array.
     *
     * @param   array  $errors  Error array.
     *
     * @return   $this
     *
     * @since  4.0.0
     */
    public function setErrors($errors)
    {
        $this->document->setErrors($errors);

        return $this;
    }

    /**
     * Set the JSON-API array.
     *
     * @param   array  $jsonapi  JSON-API array.
     *
     * @return   $this
     *
     * @since  4.0.0
     */
    public function setJsonapi($jsonapi)
    {
        $this->document->setJsonapi($jsonapi);

        return $this;
    }

    /**
     * Map everything to arrays.
     *
     * @return array
     *
     * @since  4.0.0
     */
    public function toArray()
    {
        return $this->document->toArray();
    }

    /**
     * Map to string.
     *
     * @return string
     *
     * @since  4.0.0
     */
    public function __toString()
    {
        return json_encode($this->toArray());
    }

    /**
     * Outputs the document.
     *
     * @param   boolean  $cache   If true, cache the output.
     * @param   array    $params  Associative array of attributes.
     *
     * @return  string  The rendered data.
     *
     * @since  4.0.0
     */
    public function render($cache = false, $params = array())
    {
        $app = Factory::getApplication();

        if ($mdate = $this->getModifiedDate()) {
            $app->modifiedDate = $mdate;
        }

        $app->mimeType = $this->_mime;
        $app->charSet  = $this->_charset;

        return json_encode($this->document);
    }

    /**
     * Serialize for JSON usage.
     *
     * @return array
     *
     * @since  4.0.0
     */
    #[\ReturnTypeWillChange]
    public function jsonSerialize()
    {
        return $this->toArray();
    }

    /**
     * Add a link to the output.
     *
     * @param   string  $key    The name of the link
     * @param   string  $value  The link
     *
     * @return  $this
     *
     * @since  4.0.0
     */
    public function addLink($key, $value)
    {
        $this->document->addLink($key, $value);

        return $this;
    }

    /**
     * Add a link to the output.
     *
     * @param   string  $key    The name of the metadata key
     * @param   string  $value  The value
     *
     * @return  $this
     *
     * @since  4.0.0
     */
    public function addMeta($key, $value)
    {
        $this->document->addMeta($key, $value);

        return $this;
    }
}
