<?php

namespace SparkPost;

use Psr\Http\Message\ResponseInterface as ResponseInterface;
use Psr\Http\Message\StreamInterface as StreamInterface;

class SparkPostResponse implements ResponseInterface {

	private $response;

	public function __construct(ResponseInterface $response) {
		$this->response = $response;
	}

    public function getBody()
    {
        $body = $this->response->getBody();
        $body_string = $body->__toString();
        
        if (is_string($body_string)) {
            $json = json_decode($body_string, true);
            
            if (json_last_error() == JSON_ERROR_NONE) {
                return $json;
            }
            else {
                return $body;
            }
        }

        return $body;
    }

    // pass these down to the response given in the constructor

    public function getProtocolVersion()
    {
        return $this->response->getProtocolVersion();
    }

    public function withProtocolVersion($version)
    {
        return $this->response->withProtocolVersion($version);
    }

    public function getHeaders()
    {
        return $this->response->getHeaders();
    }

    public function hasHeader($name)
    {
        return $this->response->hasHeader($name);
    }

    public function getHeader($name)
    {
        return $this->response->getHeader($name);
    }

    public function getHeaderLine($name)
    {
        return $this->response->getHeaderLine($name);
    }

    public function withHeader($name, $value)
    {
        return $this->response->withHeader($name, $value);
    }

    public function withAddedHeader($name, $value)
    {
        return $this->response->withAddedHeader($name, $value);
    }

    public function withoutHeader($name)
    {
        return $this->response->withoutHeader($name);
    }

    public function withBody(StreamInterface $body)
    {
        return $this->response->withBody($body);
    }

	public function getStatusCode()
    {
        return $this->response->getStatusCode();
    }

    public function withStatus($code, $reasonPhrase = '')
    {
        return $this->response->withStatus($code, $reasonPhrase);
    }
    
    public function getReasonPhrase()
    {
        $this->response->getReasonPhrase();
    }

}

?>