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<?php

namespace Give\Framework\Http\Response;

use ArrayObject;
use Give\Framework\Http\Response\Traits\ResponseTrait;
use Give\Framework\Support\Contracts\Arrayable;
use Give\Framework\Support\Contracts\Jsonable;
use Give\Framework\Support\Contracts\Renderable;
use JsonSerializable;
use Symfony\Component\HttpFoundation\Response as SymfonyResponse;

/**
 * @since 2.18.0
 */
class Response extends SymfonyResponse
{
    use ResponseTrait;

    /**
     * Set the content on the response.
     *
     * @param  mixed  $content
     * @return $this
     */
    public function setContent($content)
    {
        $this->original = $content;

        // If the content is "JSONable" we will set the appropriate header and convert
        // the content to JSON. This is useful when returning something like models
        // from routes that will be automatically transformed to their JSON form.
        if ($this->shouldBeJson($content)) {
            $this->header('Content-Type', 'application/json');

            $content = $this->morphToJson($content);
        }

        // If this content implements the "Renderable" interface then we will call the
        // render method on the object so we will avoid any "__toString" exceptions
        // that might be thrown and have their errors obscured by PHP's handling.
        elseif ($content instanceof Renderable) {
            $content = $content->render();
        }

        parent::setContent($content);

        return $this;
    }

    /**
     * Determine if the given content should be turned into JSON.
     *
     * @param  mixed  $content
     * @return bool
     */
    protected function shouldBeJson($content)
    {
        return $content instanceof Arrayable ||
            $content instanceof Jsonable ||
            $content instanceof ArrayObject ||
            $content instanceof JsonSerializable ||
            is_array($content);
    }

    /**
     * Morph the given content into JSON.
     *
     * @param  mixed  $content
     * @return string
     */
    protected function morphToJson($content)
    {
        if ($content instanceof Jsonable) {
            return $content->toJson();
        }

        if ($content instanceof Arrayable) {
            return json_encode($content->toArray());
        }

        return json_encode($content);
    }
}