<?php
defined('BASEPATH') OR exit('No direct script access allowed');

use \Firebase\JWT\JWT; //导入JWT
require 'vendor/php-sdk-7.2.8/autoload.php';
use Qiniu\Auth;
use Qiniu\Storage\UploadManager;

use chriskacerguis\RestServer\RestController;

/**
 * This is an example of a few basic user interaction methods you could use
 * all done with a hardcoded array
 *
 * @package         CodeIgniter
 * @subpackage      Rest Server
 * @category        Controller
 * @author          Phil Sturgeon, Chris Kacerguis
 * @license         MIT
 * @link            https://github.com/chriskacerguis/codeigniter-restserver
 */
class Example extends RestController {

    function __construct()
    {
        // Construct the parent class
        parent::__construct();

        // Configure limits on our controller methods
        // Ensure you have created the 'limits' table and enabled 'limits' within application/config/rest.php
        $this->methods['users_get']['limit'] = 500; // 500 requests per hour per user/key
        $this->methods['users_post']['limit'] = 100; // 100 requests per hour per user/key
        $this->methods['users_delete']['limit'] = 50; // 50 requests per hour per user/key
    }


    public function users_get()
    {
//        var_dump($this->input->server('REQUEST_METHOD'));

//        var_dump($this->get('id'));  // 参数带id
//        var_dump($this->get('blah'));  // http://www.cirest.com:8889/api/example/users/id/2/di/3 可以传多个参数
//
//        //通过query获取 url 传参 测试失败？
//        var_dump($this->query('id'));
//        var_dump($this->query('blah'));
//        var_dump($this->query());

        // Users from a data store e.g. database
        $users = [
            ['id' => 1, 'name' => 'John', 'email' => 'john@example.com', 'fact' => 'Loves coding'],
            ['id' => 2, 'name' => 'Jim', 'email' => 'jim@example.com', 'fact' => 'Developed on CodeIgniter'],
            ['id' => 3, 'name' => 'Jane', 'email' => 'jane@example.com', 'fact' => 'Lives in the USA', ['hobbies' => ['guitar', 'cycling']]],
        ];

        $id = $this->get('id');

        // If the id parameter doesn't exist return all the users

        if ($id === NULL)
        {
            // Check if the users data store contains users (in case the database result returns NULL)
            if ($users)
            {
                // Set the response and exit
                $this->response($users, RestController::HTTP_OK); // OK (200) being the HTTP response code
            }
            else
            {
                // Set the response and exit
                $this->response([
                    'status' => FALSE,
                    'message' => 'No users were found'
                ], RestController::HTTP_NOT_FOUND); // NOT_FOUND (404) being the HTTP response code
            }
        }

        // Find and return a single record for a particular user.

        $id = (int) $id;

        // Validate the id.
        if ($id <= 0)
        {
            // Invalid id, set the response and exit.
            $this->response(NULL, RestController::HTTP_BAD_REQUEST); // BAD_REQUEST (400) being the HTTP response code
        }

        // Get the user from the array, using the id as key for retrieval.
        // Usually a model is to be used for this.

        $user = NULL;

        if (!empty($users))
        {
            foreach ($users as $key => $value)
            {
                if (isset($value['id']) && $value['id'] === $id)
                {
                    $user = $value;
                }
            }
        }

        if (!empty($user))
        {
            $this->set_response($user, RestController::HTTP_OK); // OK (200) being the HTTP response code
        }
        else
        {
            $this->set_response([
                'status' => FALSE,
                'message' => 'User could not be found'
            ], RestController::HTTP_NOT_FOUND); // NOT_FOUND (404) being the HTTP response code
        }
    }

    public function users_post()
    {
        // $this->some_model->update_user( ... );
        $message = [
            'id' => 100, // Automatically generated by the model
            'name' => $this->post('name'),
            'email' => $this->post('email'),
            'message' => 'Added a resource'
        ];

        $this->set_response($message, RestController::HTTP_CREATED); // CREATED (201) being the HTTP response code
      }

    public function users_delete()
    {

        // $this->>delete获取不到参数
        // 可以使用 url 传参数方式获取 使用 $this->get('id')来接收
        // DELETE http://www.cirest.com:8889/api/example/users/2   使用中路由重写了 成/users/id/2
        // DELETE http://www.cirest.com:8889/api/example/users/id/2
        var_dump($this->get('id'));  // 参数带id
        var_dump($this->get('blah'));  // http://www.cirest.com:8889/api/example/users/id/2/blah/3 可以传多个参数

        $id = (int) $this->get('id');
        var_dump($id);

        // Validate the id.
        if ($id <= 0)
        {
            // Set the response and exit
            $this->response(NULL, RestController::HTTP_BAD_REQUEST); // BAD_REQUEST (400) being the HTTP response code
        }

        // $this->some_model->delete_something($id);
        $message = [
            'id' => $id,
            'message' => 'Deleted the resource'
        ];

        $this->set_response($message, RestController::HTTP_NO_CONTENT); // NO_CONTENT (204) being the HTTP response code
    }

    // 签发Token
    public function issue_get()
    {
        $key = '344'; //key
        $time = time(); //当前时间
        $token = [
            'iss' => 'http://www.helloweba.net', //签发者 可选
            'aud' => 'http://www.helloweba.net', //接收该JWT的一方，可选
            'iat' => $time, //签发时间
            'nbf' => $time, //(Not Before)：某个时间点后才能访问，比如设置time+30，表示当前时间30秒后才能使用
            'exp' => $time + 7200, //过期时间,这里设置2个小时
            'data' => [ //自定义信息，不要定义敏感信息
                'userid' => 1,
                'username' => '李小龙'
            ]
        ];

        $jsonList = [
            'access_token' => JWT::encode($token, $key),
        ];

        $this->set_response($jsonList, RestController::HTTP_CREATED);
    }

    public function verification_post()
    {

        $key = '344'; //key要和签发的时候一样

        $jwt = $this->post('access_token'); //签发的Token
        try {
            JWT::$leeway = 60;//当前时间减去60，把时间留点余地
            $decoded = JWT::decode($jwt, $key, ['HS256']); //HS256方式，这里要和签发的时候对应
            $arr = (array)$decoded;
            print_r($arr);
        } catch (\Firebase\JWT\SignatureInvalidException $e) {  //签名不正确
            echo $e->getMessage();
        } catch (\Firebase\JWT\BeforeValidException $e) {  // 签名在某个时间点之后才能用
            echo $e->getMessage();
        } catch (\Firebase\JWT\ExpiredException $e) {  // token过期
            echo $e->getMessage();
        } catch (Exception $e) {  //其他错误
            echo $e->getMessage();
        }
        //Firebase定义了多个 throw new，我们可以捕获多个catch来定义问题，catch加入自己的业务，比如token过期可以用当前Token刷新一个新Token

    }

    // 七牛 上传图片测试
    public function  qiniu_get()
    {
        $cfg = [
            'access' => 'K5w2Fe4XowpU6kuklgLlAhGkXWt111WVssI1R0ff',
            'secret' => 'i9QhgiUvdO5AgpPnQkPXO6n9wA9jILLeaskqP0Iz',
            'bucket' => 'pocoyo_bucket',
            'domain' => 'http://pub8vjaao.bkt.clouddn.com'
        ];

        $auth = new Auth($cfg['access'], $cfg['secret']);
        // 创建一个过期时间为1小时的临时上传令牌
        $token = $auth->uploadToken($cfg['bucket'], null, 3600);

        // 中文名需要转换编码？
        $filePath =  iconv('UTF-8', 'GBK', APPPATH . 'controllers\api\QQ图片20160922141622.png');

        $uploadMgr = new UploadManager();
        list($ret, $err) = $uploadMgr->putFile($token, null, $filePath);
        if($err !== null) {
            $this->err = $err;
            var_dump($err);
        } else {
            echo $cfg['domain'] . '/' . $ret['key'];
        }
    }

    // Chevereto 图床免费版本地址：https://github.com/Chevereto/Chevereto-Free
    // https://chevereto.com/docs/api-v1
    // 上传图片测试
    public function chevereto_post()
    {
        // 1. 上传本地文件时应使用 $fields post base64_encode方法
        //   Always use POST when uploading local files. Url encoding may alter the base64 source
        //   due to encoded characters or just by URL request length limit due to GET request.
        //   base64编码 会导致过长 url request
        //  var_dump($_FILES); 参考 uploadimg 可以做一些前置校验处理  //  前置判断 if (empty($_FILES) === false)
        $key = '5486424e4dfb6b87453dd4bb25c0dcb0';
        $url = 'http://172.17.1.110/chevereto/api/1/upload';

        // What do we send to chevereto api?
        $fields = array(
            'key' => urlencode($key),
            // The image encoded in base64
             'source' => base64_encode(file_get_contents($_FILES["file"]['tmp_name'])),
            // format: txt / json  txt 只返回图片地址或错误信息 eg.Duplicated upload 较为简洁
            'format' => urlencode('json')
        );

        //open connection
        $ch = curl_init();

        //set the url, number of POST vars, POST data
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, sizeof($fields));
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_TIMEOUT, 240);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Expect: '));

        //execute post
        $result = curl_exec($ch);
        //释放curl句柄
        curl_close($ch);
        echo $result;
        //close connection

        // 2. 上传远程图片地址可使用 _get source=urlencode{source} 方法即可

//        $key = '6a55c7f9fa13813c2da613dc7b5b920b';
//        // 设定远程图片地址
//        $source = 'https://img3.doubanio.com/view/group_topic/large/public/p67032015.jpg';
//        // format: txt / json  txt 只返回图片地址或错误信息 eg.Duplicated upload 较为简洁
//        $url = 'http://172.17.1.110:8888/api/1/upload/?key={key}&source={source}&format=txt';
//        $url = str_replace(array('{key}','{source}'),array($key,urlencode($source)),$url);
//
//         //初始化
//        $ch = curl_init();
//        //设置选项，包括URL
//        curl_setopt($ch, CURLOPT_URL, $url);
//        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
//        curl_setopt($ch, CURLOPT_HEADER, 0);
//        //执行并获取HTML文档内容
//        $output = curl_exec($ch);
//        //释放curl句柄
//        curl_close($ch);
//        echo  $output;


// 失败
//        {
//            "status_txt": "Bad Request",
//            "error": {
//                "context": "Exception",
//                "code": 102,
//                "message": "Duplicated upload"
//            },
//            "status_code": 400
//        }
// 成功
//        {
//            "status_txt": "OK",
//            "image": {
//                "image": {
//                        "size": "89163",
//                    "url": "http://172.17.1.110:8888/images/2019/07/09/p67032015.jpg",
//                    "extension": "jpg",
//                    "mime": "image/jpeg",
//                    "name": "p67032015",
//                    "filename": "p67032015.jpg"
//                },
//            },
//            "success": {
//                    "code": 200,
//                "message": "image uploaded"
//            },
//            "status_code": 200
//        }

    }

}