<?php

namespace app\oss\controller;

use app\common\service\HelperService;
use app\oss\service\OssServiceV2;
use Exception;
use think\Config;
use think\Controller;
use think\Validate;

class File extends Controller {


    private  static $fileType = array(
        'image' => 1,
        'audio' => 2,
        'video' => 3,
        'text' => 4,
        'file' => 5,
        'pdf' => 6
    );

    public function _initialize() {
        parent::_initialize();
    }

    private function setConfig($bucket){
        switch($bucket){
            case 'viva-private':
                Config::set('OSS_ACCESS_KEY_ID','LTAI4G9Zz1yWLASYkBmXRFF6');
                Config::set('ACCESS_KEY_SECRET','pnMsp9wlTEo4lP0JQgVukMGURlcC7y');
                Config::set('OSS_ENDPOINT','oss-cn-hangzhou.aliyuncs.com');
                break;
            default:
                throw new \RuntimeException('无此bucket');
        }
    }


    public function newDiffParam($rule, $params) {
        $validate = new Validate($rule);
        if (!$validate->check($params)) {
            HelperService::returnJson(['code'=>400,'msg'=>$validate->getError()]);
        }
    }

    /**
     * 图片上传
     */
    public function upload() {

        header('Access-Control-Allow-Origin:*');
        header("Access-Control-Allow-Methods", "*");
        header("Access-Control-Allow-Headers", "Content-Type,XFILENAME,XFILECATEGORY,XFILESIZE");

        $params = $this->request->param();
        $rule   = [
            'fileName'   => 'require',
            'upType'     => 'require',
            'isRoot'     => 'require',
            'fileType'   => 'require|number',
            'bucket' => 'require',
            'isPrivate'  => 'boolean'
        ];

        if (isset($params['upType']) && $params['upType'] === 'base64') {
            $rule['content'] = 'require';
        }

        $this->newDiffParam($rule, $params);

        $fileName  = (string)$params['fileName'];
        $upType    = (string)$params['upType'];
        $isRoot    = (string)$params['isRoot'];
        $fileType  = (string)$params['fileType'];
        $isPrivate = isset($params['isPrivate']) ?$params['isPrivate']: true;
        $bucket    = $params['bucket'];

        $this->setConfig($bucket);

        Config::set('ALIYUN_OSS_BUCKET', $bucket);
        $ossService = new OssServiceV2($bucket);

        $ext = !empty($fileName) ? (string)pathinfo($fileName, PATHINFO_EXTENSION) : '';

        list($fileName, $realContent) = $ossService->getFileNameAndRealContent($upType, $params, $fileName, $ext);

        //向阿里推送图片
        $type = (array)array_flip(self::$fileType);
        if(empty($type[$fileType])){
            HelperService::returnJson(['code'=>400,'msg'=>'文件类型不正确']);
        }

        $fileSavePath = $isRoot ? ltrim($fileName, '/') : $type[$fileType] . '/' . date('Ym') . '/' . $fileName;

        //重试3次
        $times   = 3;
        $message = '';
        while ($times--) {
            try {
                if (true === $ossService->fileExist($fileSavePath)) {
                    $path         = (string)pathinfo($fileSavePath, PATHINFO_DIRNAME);
                    $path         = ($path === '.' || $path === '..') ? '' : $path;
                    $fileName     = pathinfo($fileSavePath, PATHINFO_BASENAME);
                    $ext          = pathinfo($fileSavePath, PATHINFO_EXTENSION);
                    $fileName     = substr($fileName, 0, strpos($fileName, '.' . $ext));
                    $newFileName  = $fileName . '_' . date('YmdHis') . mt_rand(10000, 99999) . '.' . $ext;
                    $fileSavePath = ltrim($path . '/' . $newFileName, '/');
                }
                $result = $ossService->fileUpload($fileSavePath, $realContent);

                if ($isPrivate === true) {
                    $ossService->putObjectAcl($result, 'private');
                }

                if ($result) {
                    $aLiYunUrl = 'http://' . $bucket . '.' . Config::get('OSS_ENDPOINT') . '/' . trim($result, '/');
                    HelperService::returnJson(['data'=>[
                        'url'       => $result,
                        'bucket'    => $bucket,
                        'aliyunUrl' => $aLiYunUrl,
                        'signUrl'   => $ossService->getSignUrl([
                            'object' => $result,
                            'bucket' => $bucket
                        ])
                    ],'msg'=>'success','code'=>200]);
                } else {
                    HelperService::returnJson(['data'=>['times' => $times, 'bucket' => $bucket], 'msg'=>'fail','code'=>400]);
                }
            } catch (Exception $ex) {
                $message = $ex->getMessage();
                continue;
            }
        }

        HelperService::returnJson(['data'=>['times' => $times, 'bucket' => $bucket], 'msg'=>'上传失败: ' . $message,'code'=>400]);
    }

    protected function input() {
        $contents = file_get_contents('php://input');
        $param    = json_decode($contents, true);
        if (empty($param))
            return $this->output([], 'json error', '0004');
        return $param;
    }

    public function output($data=[],$msg='success',$code=200){
        HelperService::returnJson([
            'data'=>$data,
            'msg'=>$msg,
            'code'=>$code
        ]);
    }

    /**
     * 下载文件
     */
    public function downFile() {
        $params = $this->input();
        $this->newDiffParam([
            'filePath' => 'require',
            'bucket'   => 'require'
        ], $params);

        $this->setConfig($params['bucket']);

        Config::set('ALIYUN_OSS_BUCKET', (string)($params['bucket']));

        $res = (new OssServiceV2((string)($params['bucket'])))->downFile((string)($params['filePath']));

        die($res);
    }

    /**
     * 文件删除
     */
    public function fileDelete() {
        $params = $this->input();
        $this->newDiffParam([
            'filePath' => 'require',
            'bucket' => 'require'
        ], $params);

        $filePath = (string)($params['filePath']);
        $this->setConfig($params['bucket']);
        Config::set('ALIYUN_OSS_BUCKET', (string)($params['bucket']));
        $ossService = new OssServiceV2((string)($params['bucket']));

        //重试3次
        $times   = 3;
        $message = '';
        while ($times--) {
            try {
                $exist = $ossService->fileExist($filePath);
                if (true !== $exist) {
                    $this->output([], 'filePath is not exist');
                }

                $result = $ossService->fileDelete($filePath);

                if ($result) {
                    $this->output([], 'del success');
                } else {
                    $this->output(['times' => $times], 'del fail');
                }
            } catch (Exception $ex) {
                $message = $ex->getMessage();
                continue;
            }
        }

        $this->output(['times' => $times], 'del fail: ' . $message);
    }

    /**
     * 图片信息
     */
    public function imageInfo() {
        $params = $this->input();
        $this->newDiffParam([
            'imagePath' => 'require',
            'ossDomain' => 'require',
            'bucket'    => 'require',
        ], $params);

        $imagePath = (string)($params['imagePath']);
        Config::set('ALIYUN_OSS_BUCKET', (string)($params['bucket']));
        $this->setConfig($params['bucket']);
        $ossService = new OssServiceV2((string)($params['bucket']));

        //重试3次
        $times = 3;
        $message = '';
        while ($times--) {
            try {
                $exist = (bool) $ossService->fileExist($imagePath);
                if (true !== $exist) {
                    $this->output([], 'image is not exist');
                }

                $result = $ossService->imageInfo($imagePath, (string)($params['ossDomain']));

                if ($result) {
                    $this->output($result, 'success');
                } else {
                    $this->output(['times' => $times], 'fail');
                }
            } catch (Exception $ex) {
                $message = $ex->getMessage();
                continue;
            }
        }
        $this->output(['times' => $times], 'fail: ' . $message);
    }

    /**
     * 文件是否存在
     */
    public function fileExist() {
        $params = $this->input();
        $this->newDiffParam([
            'filePath' => 'require',
            'bucket' => 'require'
        ], $params);

        $filePath = (string)($params['filePath']);
        Config::set('ALIYUN_OSS_BUCKET', (string)($params['bucket']));
        $this->setConfig($params['bucket']);
        $ossService = new OssServiceV2((string)($params['bucket']));

        //重试3次
        $times = 3;
        $message = '';
        while ($times--) {
            try {
                $result = $ossService->fileExist($filePath);
                if ($result) {
                    $this->output([], 'success');
                } else {
                    $this->output(['times' => $times], 'fail');
                }
            } catch (Exception $ex) {
                $message = $ex->getMessage();
                continue;
            }
        }
        $this->output(['times' => $times], 'fail: ' . $message);
    }

    /**
     * bucket列表
     */
    public function bucketList() {
        $ossService = new OssServiceV2();
        //重试3次
        $times = 3;
        $message = '';
        while ($times--) {
            try {
                $bucketList = $ossService->bucketList();
                $this->output($bucketList, 'success');
            } catch (Exception $ex) {
                $message = $ex->getMessage();
                continue;
            }
        }
        $this->output(['times' => $times], 'fail: ' . $message);
    }

    /**
     * 获取带有签名的路径
     */
    public function getSignUrl() {
        $params   = $this->input();
        $this->newDiffParam([
            'object'     => 'require',
            'bucket'     => 'require',
            'isIntranet' => 'boolean' //是否是内网
        ], $params);

        $this->setConfig($params['bucket']);
        $url        = (new OssServiceV2($params['bucket']))->getSignUrl($params);
        $this->output(['url' => $url]);
    }

    /**
     * 批量获取带有签名的路径
     */
    public function getMultiSignUrl() {
        $params = $this->input();

        $this->newDiffParam(['data' => 'require|array'], $params);

        $data = (new OssServiceV2())->getMultiSignUrl($params['data']);

        $this->output(['urls' => $data]);
    }

    /**
     * 获取阿里云处理后的图片
     */
    public function getProcessImageUrl() {
        $params   = $this->input();
        $this->newDiffParam([
            'process'  => 'require',
            'object'   => 'require',
            'bucket'   => 'require',
            'endpoint' => 'require',
        ], $params);
        $this->setConfig($params['bucket']);
        $objectInfo = parse_url($params['object']);

        if (empty($objectInfo['path'])) {
            $this->output([], '传入的地址信息有误');
        }
        $params['path'] = $objectInfo['path'];
        $data           = (new OssServiceV2($params['bucket']))->getProcessImageUrl($params);
        $this->output(['url' => $data]);
    }

}