<?php
namespace Org\Kudian;

class Response
{
    protected $code;

    protected $msg;

    protected $result;

    protected $sign;

    protected $signType;

    protected $data;

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

    private function parse($response)
    {
        $data = null;
        if (is_array($response)) {
            Log::write('RESPONSE_ARRAY: ' . json_encode($response));
            $data = $response;
        } else {
            Log::write('RESPONSE_STR: ' . $response);
            $data = json_decode($response, true);
        }
        if (!$data) {
            $data = [
                'code' => -998,
                'msg' => '数据异常',
                'sign' => '',
                'sign_type' => 'MD5',
                'result' => json_encode([]),
            ];
        }
        $this->data = $data;
        $result = $data['result'] ? json_decode($data['result'], true) : [];
        $this->result = $result;
        $this->code = $data['code'];
        $this->msg = $data['msg'];
        $this->sign = $data['sign'];
        $this->signType = $data['sign_type'];
    }

    public function isSuccess()
    {
        return !($this->code < 0);
    }

    public function getCode()
    {
        return $this->code;
    }

    public function getMsg()
    {
        return $this->msg;
    }

    public function getResult($key = null)
    {
        if ($key) {
            return $this->result[$key] ?: null;
        }
        return $this->result;
    }

    public function getSign()
    {
        return $this->sign;
    }

    public function getSignType()
    {
        return $this->signType;
    }

    public function verify()
    {
        return Sign::verify($this->data, Config::get('secret_key'));
    }
}