<?php

namespace app\api\controller;

use app\common\controller\Api;
use app\common\exception\UploadException;
use app\common\library\Upload;
use app\common\model\Area;
use app\common\model\Version;
use fast\Random;
use think\Config;
use think\Hook;

/**
 * 公共接口
 */
class Common extends Api
{
    protected $noNeedLogin = ['init','upload','upload_base64','base64_image_content'];
    protected $noNeedRight = '*';

    /**
     * 加载初始化
     *
     * @param string $version 版本号
     * @param string $lng     经度
     * @param string $lat     纬度
     */
    public function init()
    {
        if ($version = $this->request->request('version')) {
            $lng = $this->request->request('lng');
            $lat = $this->request->request('lat');

            //配置信息
            $upload = Config::get('upload');
            //如果非服务端中转模式需要修改为中转
            if ($upload['storage'] != 'local' && isset($upload['uploadmode']) && $upload['uploadmode'] != 'server') {
                //临时修改上传模式为服务端中转
                set_addon_config($upload['storage'], ["uploadmode" => "server"], false);

                $upload = \app\common\model\Config::upload();
                // 上传信息配置后
                Hook::listen("upload_config_init", $upload);

                $upload = Config::set('upload', array_merge(Config::get('upload'), $upload));
            }

            $upload['cdnurl'] = $upload['cdnurl'] ? $upload['cdnurl'] : cdnurl('', true);
            $upload['uploadurl'] = preg_match("/^((?:[a-z]+:)?\/\/)(.*)/i", $upload['uploadurl']) ? $upload['uploadurl'] : url($upload['storage'] == 'local' ? '/api/common/upload' : $upload['uploadurl'], '', false, true);

            $content = [
                'citydata'    => Area::getCityFromLngLat($lng, $lat),
                'versiondata' => Version::check($version),
                'uploaddata'  => $upload,
                'coverdata'   => Config::get("cover"),
            ];
            $this->success('', $content);
        } else {
            $this->error(__('Invalid parameters'));
        }
    }

    /**
     * 上传文件
     * @ApiMethod (POST)
     * @param File $file 文件流
     */
    public function upload()
    {
        Config::set('default_return_type', 'json');

        $config = get_addon_config('qiniu');
        $config['savekey'] = str_replace(['{year}', '{mon}', '{day}', '{filemd5}', '{.suffix}'], ['$(year)', '$(mon)', '$(day)', '$(etag)', '$(ext)'], $config['savekey']);

        // 构建鉴权对象
        $auth = new \Qiniu\Auth($config['accessKey'], $config['secretKey']);
        // 生成上传 Token
        $token = $auth->uploadToken($config['bucket'], null, 3600, ['saveKey' => ltrim($config['savekey'], '/')]);
        // 初始化 UploadManager 对象并进行文件的上传。
        $uploadMgr = new \Qiniu\Storage\UploadManager();

        $chunkid = $this->request->post("chunkid");
        if ($chunkid) {
            $action = $this->request->post("action");
            $chunkindex = $this->request->post("chunkindex/d");
            $chunkcount = $this->request->post("chunkcount/d");
            $filesize = $this->request->post("filesize");
            $filename = $this->request->post("filename");
            if ($action == 'merge') {
                if ($config['uploadmode'] == 'server') {
                    $attachment = null;
                    //合并分片文件
                    try {
                        $upload = new Upload();
                        $attachment = $upload->merge($chunkid, $chunkcount, $filename);
                    } catch (UploadException $e) {
                        $this->error($e->getMessage());
                    }
                }

                $contexts = $this->request->post("contexts/a", []);
                $uploader = new \Qiniu\Storage\ResumeUploader($token, null, null, $filesize);
                list($ret, $err) = $uploader->setContexts($contexts)->makeFile($filename);
                if ($err !== null) {
                    $this->error("上传失败");
                } else {
                    $this->success("上传成功", ['yuan' => '/' . $ret['key'], 'dai' => cdnurl('/' . $ret['key'], true), 'hash' => $ret['hash']]);
                }
            } else {
                //默认普通上传文件
                $file = $this->request->file('file');
                try {
                    $upload = new Upload($file);
                    $file = $upload->chunk($chunkid, $chunkindex, $chunkcount);
                } catch (UploadException $e) {
                    $this->error($e->getMessage());
                }

                //上传分片文件
                //$file = $this->request->file('file');
                $filesize = $file->getSize();
                //合并分片文件
                $uploader = new \Qiniu\Storage\ResumeUploader($token, null, fopen($file->getRealPath(), 'rb'), $filesize);
                $ret = $uploader->uploadChunk($chunkindex, $file, $filesize);
                $this->success("上传成功", $ret);
            }
        } else {
            $attachment = null;
            //默认普通上传文件
            $file = $this->request->file('file');
            try {
                $upload = new Upload($file);

                $suffix = $upload->getSuffix();
                $md5 = md5_file($file->getRealPath());
                $search = ['$(year)', '$(mon)', '$(day)', '$(etag)', '$(ext)'];
                $replace = [date("Y"), date("m"), date("d"), $md5, '.' . $suffix];
                $savekey = ltrim(str_replace($search, $replace, $config['savekey']), '/');

                $attachment = $upload->upload($savekey);
            } catch (UploadException $e) {
                $this->error($e->getMessage());
            }

            //文件绝对路径
            $filePath = $upload->getFile()->getRealPath() ?: $upload->getFile()->getPathname();

            //上传到七牛后保存的文件名
            $saveKey = ltrim($attachment->url, '/');

            try {
                // 调用 UploadManager 的 putFile 方法进行文件的上传。
                list($ret, $err) = $uploadMgr->putFile($token, $saveKey, $filePath);

                if ($err !== null) {
                    throw new \Exception("上传失败");
                }
                //成功不做任何操作
            } catch (\Exception $e) {
                $attachment->delete();
                @unlink($filePath);
                $this->error("上传失败");
            }

            $this->success("上传成功", ['yuan' => $attachment->url, 'dai' => cdnurl($attachment->url, true)]);
        }
    }

    /**
     * base64上传文件
     *
     * @ApiTitle    (base64上传文件)
     * @ApiSummary  (base64上传文件)
     * @ApiMethod   (POST)
     * @ApiRoute    (/api/common/upload_base64)
     * @ApiParams   (name="base64_img", type="string", required=true, description="图片base64数据")
     * @ApiReturnParams   (name="code", type="integer", required=true, sample="0")
     * @ApiReturnParams   (name="msg", type="string", required=true, sample="返回成功")
     * @ApiReturn   ({
    'code':'1',
    'msg':'返回成功',
    "data": {
    "url": 当前页数,
    "priview_url": 总页数
    }
    })
     *
     */
    public function upload_base64() {
        if($this->request->isPost()) {
            $param = $this->request->param();
            $validate = new \think\Validate([
                'base64_img' => 'require',
            ]);
            $validate->message([
                'base64_img.require' => '缺少图片base64数据!',
            ]);
            if (!$validate->check($param)) {
                $this->error($validate->getError());
            }
            $path = '/uploads/lesson_app';
            $image = $this->base64_image_content($param['base64_img'],$path);
            if(!$image) {
                $this->error('上传失败');
            }
            $upload = Config::get('upload');
            $config = get_addon_config('qiniu');
            $filePath = '.'.$path.'/'.$image;
            $suffix = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
            $suffix = $suffix && preg_match("/^[a-zA-Z0-9]+$/", $suffix) ? $suffix : 'file';
            $replaceArr = [
                '{year}'     => date("Y"),
                '{mon}'      => date("m"),
                '{day}'      => date("d"),
                '{hour}'     => date("H"),
                '{min}'      => date("i"),
                '{sec}'      => date("s"),
                '{random}'   => Random::alnum(16),
                '{random32}' => Random::alnum(32),
                '{filename}' => $suffix ? substr(pathinfo($filePath)['basename'], 0, strripos(pathinfo($filePath)['basename'], '.')) : pathinfo($filePath)['basename'],
                '{suffix}'   => $suffix,
                '{.suffix}'  => $suffix ? '.' . $suffix : '',
                '{filemd5}'  => md5_file(realpath($filePath)),
            ];
            $savekey = $upload['savekey'];
            $savekey = str_replace(array_keys($replaceArr), array_values($replaceArr), $savekey);
            $fileName = substr($savekey, strripos($savekey, '/') + 1);
            $policy = array(
                'saveKey' => ltrim($savekey, '/'),
            );
            $auth = new \Qiniu\Auth($config['accessKey'], $config['secretKey']);
            $token = $auth->uploadToken($config['bucket'], null, $config['expire'], $policy);
            $multipart = [
                ['name' => 'token', 'contents' => $token],
                [
                    'name'     => 'file',
                    'contents' => fopen(realpath($filePath), 'r'),
                    'filename' => $fileName,
                ]
            ];
            try {
                $client = new \GuzzleHttp\Client();
                $res = $client->request('POST', $config['uploadurl'], [
                    'multipart' => $multipart
                ]);
                $code = $res->getStatusCode();
                //成功不做任何操作
            } catch (\GuzzleHttp\Exception\ClientException $e) {
//                $attachment->delete();
                unlink($filePath);
                $this->error("上传失败");
            }
            unlink($filePath);
            $return = [
                'url' => $savekey,
                'priview_url' => cdnurl($savekey,true)
            ];
            $this->success('上传成功',$return);
        }
    }


    /**
     * [将Base64图片转换为本地图片并保存]
     * @E-mial wuliqiang_aa@163.com
     * @TIME   2017-04-07
     * @WEB    http://blog.iinu.com.cn
     * @param  [Base64] $base64_image_content [要保存的Base64]
     * @param  [目录] $path [要保存的路径]
     */
    private function base64_image_content($base64_image_content,$path){
        //匹配出图片的格式
        if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){
            $type = $result[2];
            $file_path = date('Ymd',time())."/";
            $new_file = '.'.$path."/".$file_path;
            if(!file_exists($new_file)){
                //检查是否有该文件夹，如果没有就创建，并给予最高权限
                mkdir($new_file, 0777,true);
            }
            $new_file = $new_file.time().".{$type}";
            if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_image_content)))){
                return $file_path.time().".{$type}";
            }else{
                return false;
            }
        }else{
            return false;
        }
    }
}