<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use app\common\exception\UploadException;

/**
 * 百度编辑器上传
 * Class Upload
 * @package app\admin\controller
 */
class Upload extends Backend
{
    // 编辑器初始配置
    private $config
        = [
            /* 上传图片配置项 */
            'imageActionName'         => 'uploadimage',
            'imageFieldName'          => 'upfilesss',
            'imageMaxSize'            => 10485760, /* 上传大小限制，单位B */
            'imageAllowFiles'         => ['.png', '.jpg', '.jpeg', '.gif', '.bmp'],
            'imageCompressEnable'     => false,  // 图片压缩功能true开启,false关闭
            'imageCompressBorder'     => 1600,
            'imageInsertAlign'        => 'none',
            'imageUrlPrefix'          => '',
            'imagePathFormat'         => '',
            /* 涂鸦图片上传配置项 */
            'scrawlActionName'        => 'uploadscrawl',
            'scrawlFieldName'         => 'upfile',
            'scrawlPathFormat'        => '',
            'scrawlMaxSize'           => 0,
            'scrawlUrlPrefix'         => '',
            'scrawlInsertAlign'       => 'none',
            /* 截图工具上传 */
            'snapscreenActionName'    => 'uploadimage',
            'snapscreenPathFormat'    => '',
            'snapscreenUrlPrefix'     => '',
            'snapscreenInsertAlign'   => 'none',
            /* 抓取远程图片配置 */
            'catcherLocalDomain'      => ['127.0.0.1', 'localhost', 'img.baidu.com'],
            'catcherActionName'       => 'catchimage',
            'catcherFieldName'        => 'source',
            'catcherPathFormat'       => '',
            'catcherUrlPrefix'        => '',
            'catcherMaxSize'          => 0,
            'catcherAllowFiles'       => ['.png', '.jpg', '.jpeg', '.gif', '.bmp'],
            /* 上传视频配置 */
            'videoActionName'         => 'uploadvideo',
            'videoFieldName'          => 'upfile',
            'videoPathFormat'         => '',
            'videoUrlPrefix'          => '',
            'videoMaxSize'            => 0,
            'videoAllowFiles'         => [".flv", ".swf", ".mkv", ".avi", ".rm", ".rmvb", ".mpeg", ".mpg", ".ogg", ".ogv", ".mov", ".wmv", ".mp4", ".webm", ".mp3", ".wav", ".mid"],
            /* 上传文件配置 */
            'fileActionName'          => 'uploadfile',
            'fileFieldName'           => 'upfile',
            'filePathFormat'          => '',
            'fileUrlPrefix'           => '',
            'fileMaxSize'             => 20971520,
            'fileAllowFiles'          => [".doc", ".docx", ".ppt", ".txt", ".xls", ".xlsx", ".pdf", ".rar", ".zip"],
            /* 列出指定目录下的图片 */
            'imageManagerActionName'  => 'listimage',
            'imageManagerListPath'    => '',
            'imageManagerListSize'    => 20,
            'imageManagerUrlPrefix'   => '',
            'imageManagerInsertAlign' => 'none',
            'imageManagerAllowFiles'  => ['.png', '.jpg', '.jpeg', '.gif', '.bmp'],
            /* 列出指定目录下的文件 */
            'fileManagerActionName'   => 'listfile',
            'fileManagerListPath'     => '',
            'fileManagerUrlPrefix'    => '',
            'fileManagerListSize'     => '',
            'fileManagerAllowFiles'   => [".flv", ".swf",],
        ];

    /**
     * 上传视频
     * @return \think\response\Json
     */
    public function uploadVideo()
    {
        if (!request()->isPost()) {
            return json(['code' => 4011, 'msg' => '请求方式不正确']);
        }
        if (empty($_FILES)) {
            return json([
                'code' => 401,
                'msg'  => '请您上传视频'
            ]);
        }

        // 开始上传
        $attachment = null;
        $file       = $this->request->file('video');

        try {
            $upload     = new \app\common\library\Upload($file);
            $attachment = $upload->upload();
        } catch (UploadException $e) {
            return json([
                'code' => 402,
                'msg'  => $e->getMessage()
            ]);
        }

        return json([
            'code' => 200,
            'msg'  => '上传成功',
            'data' => [
                'name'  => $attachment->filename,
                'video' => $attachment->url
            ]
        ]);
    }

    // 百度编辑器上传配置
    public function ueditorUpload()
    {
        $action = input('get.action');
        if (empty($action)) {
            $this->error('非法操作。');
        }

        $result = [];
        switch ($action) {
            // 加载上传配置
            case 'config' :
                $result = $this->config;
                break;
            // 上传涂鸦
            case 'uploadscrawl' :

                break;
            // 上传图片
            case 'uploadimage' :
                // 上传验证
                $msg = $this->checkUpload($_FILES['upfilesss']['error']);
                if ($msg !== 'success') {
                    die(json_encode([
                        'state' => $msg
                    ]));
                }
                // 上传图片、获取图片大小和后缀
                $file     = request()->file('upfilesss');
                $fileName = $_FILES['upfilesss']['name'];
                $fileExt  = explode('/', $_FILES['upfilesss']['type'])[1];
                $fileSize = $_FILES['upfilesss']['size'];
                // 验证图片格式是否合法
                if (!in_array('.' . $fileExt, $this->config['imageAllowFiles'])) {
                    die(json_encode([
                        'state' => '您上传的图片格式不正确'
                    ]));
                }
                // 超过10M无法上传
                if ($fileSize > $this->config['imageMaxSize']) {
                    die(json_encode([
                        'state' => '图片大小不能超过10M'
                    ]));
                }
                // 开始上传
                $attachment = null;
                $file       = $this->request->file('upfilesss');
                try {
                    $upload     = new \app\common\library\Upload($file);
                    $attachment = $upload->upload();

                    // 获取图片名字作为alt和title
                    $title = substr($fileName, 0, strrpos($fileName, '.'));
                    return json([
                        'state'    => 'SUCCESS',
                        'original' => $title,
                        'title'    => $title,
                        'url'      => config('domain') . $attachment->url
                    ]);
                } catch (UploadException $e) {
                    return json([
                        'state' => $file->getError(),
                        'msg'   => $e->getMessage()
                    ]);
                }
                break;
        }

        die(json_encode($result));
    }

    /**
     * 上传图片
     * @return \think\response\Json
     */
    public function uploadImg()
    {
        if (!request()->isPost()) {
            return json(['code' => 4011, 'msg' => '请求方式不正确']);
        }
        if (empty($_FILES)) {
            return json([
                'code' => 401,
                'msg'  => '请您上传图片'
            ]);
        }

        // 开始上传
        $attachment = null;
        $file       = $this->request->file('image');

        try {
            $upload     = new \app\common\library\Upload($file);
            $attachment = $upload->upload();
        } catch (UploadException $e) {
            return json([
                'code' => 402,
                'msg'  => $e->getMessage()
            ]);
        }

        return json([
            'code' => 200,
            'msg'  => '上传成功',
            'data' => [
                'name' => $attachment->filename,
                'url'  => $attachment->url
            ]
        ]);
    }

    // 上传判断
    private function checkUpload($code)
    {
        $codeArr = [
            'success',
            '上传文件超出php配置upload_max_filesize限制',
            '上传文件超出html表单限制',
            '文件只有部分被上传',
            '没有上传文件',
            '没有找不到临时文件夹',
            '文件写入失败,请检查权限',
            'php文件上传扩展file没有打开'
        ];

        return $codeArr[$code];
    }

}