<?php

/**
 * Copyright 2019 Huawei Technologies Co.,Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License.  You may obtain a copy of the
 * License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations under the License.
 *
 */

namespace Obs;

use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Response;
use Obs\Log\ObsLog;

class ObsException extends \RuntimeException
{
    const CLIENT = 'client';

    const SERVER = 'server';

    private $response;

    private $request;

    private $requestId;

    private $exceptionType;

    private $exceptionCode;

    private $exceptionMessage;

    private $hostId;

    public function __construct($message = null, $code = null, $previous = null)
    {
        parent::__construct($message, $code, $previous);
    }

    public function setExceptionCode($exceptionCode)
    {
        $this->exceptionCode = $exceptionCode;
    }

    public function getExceptionCode()
    {
        return $this->exceptionCode;
    }

    public function setExceptionMessage($exceptionMessage)
    {
        $this->exceptionMessage = $exceptionMessage;
    }

    public function getExceptionMessage()
    {
        return $this->exceptionMessage ? $this->exceptionMessage : $this->message;
    }

    public function setExceptionType($exceptionType)
    {
        $this->exceptionType = $exceptionType;
    }

    public function getExceptionType()
    {
        return $this->exceptionType;
    }

    public function setRequestId($requestId)
    {
        $this->requestId = $requestId;
    }

    public function getRequestId()
    {
        return $this->requestId;
    }

    public function setResponse(Response $response)
    {
        $this->response = $response;
    }

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

    public function setRequest(Request $request)
    {
        $this->request = $request;
    }

    public function getRequest()
    {
        return $this->request;
    }

    public function getStatusCode()
    {
        return $this->response ? $this->response->getStatusCode() : -1;
    }

    public function setHostId($hostId)
    {
        $this->hostId = $hostId;
    }

    public function getHostId()
    {
        return $this->hostId;
    }

    public function __toString()
    {
        $className = get_class($this);
        $statusCode = $this->getStatusCode();

        $errCodeMsg = "OBS Error Code: {$statusCode}";
        $statusCodeMsg = "Status Code: {$this->getStatusCode()}";
        $errTypeMsg = "OBS Error Type: {$this->getExceptionType()}";
        $errMsg = $this->getExceptionMessage() ? $this->getExceptionMessage() : $this->getMessage();
        $newErrMsg = "OBS Error Message: {$errMsg}";
        $message = "{$className}: {$errCodeMsg}, {$statusCodeMsg}, {$errTypeMsg}, $newErrMsg";
        // Add the User-Agent if available
        if ($this->request) {
            $message = "{$message}, 'User-Agent: {$this->request->getHeaderLine('User-Agent')}";
        }
        $message .= "\n";

        ObsLog::commonLog(INFO,
            "http request:status:%d, %s",
            $statusCode, "code:{$this->getExceptionCode()}, message:{$errMsg}");

        return $message;
    }
}