<?php
// +----------------------------------------------------------------------
// | Yzncms [ 御宅男工作室 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2018 http://yzncms.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 御宅男 <530765310@qq.com>
// +----------------------------------------------------------------------

// +----------------------------------------------------------------------
// | 后台常用ajax
// +----------------------------------------------------------------------
namespace app\admin\controller;

use app\admin\model\Adminlog;
use app\common\controller\Adminbase;
use app\common\exception\UploadException;
use app\common\library\Upload as UploadLib;
use Exception;
use think\Db;
use think\Response;

class Ajax extends Adminbase
{
    protected $noNeedRight = ['*'];

    //编辑器初始配置
    private $editorConfig = [
        /* 上传图片配置项 */
        "imageActionName"         => "uploadimage", /* 执行上传图片的action名称 */
        "imageFieldName"       => "upfile", /* 提交的图片表单名称 */
        "imageMaxSize"     => 2048000, /* 上传大小限制，单位B */
        "imageAllowFiles" => [".png", ".jpg", ".jpeg", ".gif", ".bmp"], /* 上传图片格式显示 */
        "imageCompressEnable" => true, /* 是否压缩图片,默认是true */
        "imageCompressBorder" => 1600, /* 图片压缩最长边限制 */
        "imageInsertAlign" => "none", /* 插入的图片浮动方式 */
        "imageUrlPrefix" => "", /* 图片访问路径前缀 */
        'imagePathFormat' => '',
        /* 涂鸦图片上传配置项 */
        "scrawlActionName"        => "uploadscrawl", /* 执行上传涂鸦的action名称 */
        "scrawlFieldName"      => "upfile", /* 提交的图片表单名称 */
        'scrawlPathFormat' => '',
        "scrawlMaxSize"           => 2048000, /* 上传大小限制，单位B */
        'scrawlUrlPrefix'      => '',
        'scrawlInsertAlign'       => 'none',
        /* 截图工具上传 */
        "snapscreenActionName"    => "uploadimage", /* 执行上传截图的action名称 */
        'snapscreenPathFormat' => '',
        'snapscreenUrlPrefix'     => '',
        'snapscreenInsertAlign'   => 'none',
        /* 抓取远程图片配置 */
        'catcherLocalDomain'      => ['127.0.0.1', 'localhost', 'img.baidu.com'],
        "catcherActionName"       => "catchimage", /* 执行抓取远程图片的action名称 */
        'catcherFieldName'     => 'source',
        'catcherPathFormat'       => '',
        'catcherUrlPrefix'        => '',
        'catcherMaxSize'          => 0,
        'catcherAllowFiles'       => ['.png', '.jpg', '.jpeg', '.gif', '.bmp'],
        /* 上传视频配置 */
        "videoActionName"         => "uploadvideo", /* 执行上传视频的action名称 */
        "videoFieldName"       => "upfile", /* 提交的视频表单名称 */
        '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", /* controller里,执行上传视频的action名称 */
        'fileFieldName'        => 'upfile',
        'filePathFormat'          => '',
        'fileUrlPrefix'           => '',
        'fileMaxSize'             => 0,
        'fileAllowFiles'          => [".flv", ".swf"],
        /* 列出指定目录下的图片 */
        "imageManagerActionName"  => "listimage", /* 执行图片管理的action名称 */
        'imageManagerListPath' => '',
        'imageManagerListSize'    => 20,
        'imageManagerUrlPrefix'   => '',
        'imageManagerInsertAlign' => 'none',
        'imageManagerAllowFiles'  => ['.png', '.jpg', '.jpeg', '.gif', '.bmp'],
        /* 列出指定目录下的文件 */
        "fileManagerActionName"   => "listfile", /* 执行文件管理的action名称 */
        'fileManagerListPath'  => '',
        'fileManagerUrlPrefix'    => '',
        'fileManagerListSize'     => '',
        'fileManagerAllowFiles'   => [".flv", ".swf"],
    ];

    protected function initialize()
    {
        parent::initialize();
        //图片上传大小和类型
        $this->editorConfig['imageMaxSize'] = $this->editorConfig['catcherMaxSize'] = 0 == config('site.upload_image_size') ? 1024 * 1024 * 1024 : config('site.upload_image_size') * 1024;
        if (!empty(config('site.upload_image_ext'))) {
            $imageallowext = parse_attr(config('site.upload_image_ext'));
            foreach ($imageallowext as $k => $rs) {
                $imageallowext[$k] = ".{$rs}";
            }
            $this->editorConfig['imageAllowFiles'] = $imageallowext;
        }

        //附件上传大小和类型
        $this->editorConfig['fileMaxSize'] = $this->editorConfig['videoMaxSize'] = 0 == config('site.upload_file_size') ? 1024 * 1024 * 1024 : config('site.upload_file_size') * 1024;
        if (!empty(config('site.upload_file_ext'))) {
            $fileallowext = parse_attr(config('site.upload_file_ext'));
            foreach ($fileallowext as $k => $rs) {
                $fileallowext[$k] = ".{$rs}";
            }
            $this->editorConfig['fileAllowFiles'] = $fileallowext;
        }
    }

    //过滤内容的敏感词
    public function filterWord($content)
    {
        $content = $this->request->post('content');
        // 获取感词库文件路径
        $wordFilePath = ROOT_PATH . 'data/words.txt';
        $handle       = \util\SensitiveHelper::init()->setTreeByFile($wordFilePath);
        $word         = $handle->getBadWord($content);
        if ($word) {
            $this->error('内容包含违禁词！', null, $word);
        } else {
            $this->success('内容没有违禁词！');
        }
    }

    /**
     * 生成后缀图标
     */
    public function icon()
    {
        $suffix                  = $this->request->request("suffix", 'file');
        $data                    = build_suffix_image($suffix);
        $header                  = ['Content-Type' => 'image/svg+xml'];
        $offset                  = 30 * 60 * 60 * 24; // 缓存一个月
        $header['Cache-Control'] = 'public';
        $header['Pragma']        = 'cache';
        $header['Expires']       = gmdate("D, d M Y H:i:s", time() + $offset) . " GMT";
        $response                = Response::create($data, '', 200, $header);
        return $response;
    }

    /**
     * 读取省市区数据,联动列表
     */
    public function area()
    {
        $params = $this->request->get("row/a");
        if (!empty($params)) {
            $province = $params['province'] ?? null;
            $city     = $params['city'] ?? null;
        } else {
            $province = $this->request->get('province');
            $city     = $this->request->get('city');
        }
        $where        = ['pid' => 0, 'level' => 1];
        $provincelist = null;
        if ($province !== null) {
            $where['pid']   = $province;
            $where['level'] = 2;
            if ($city !== null) {
                $where['pid']   = $city;
                $where['level'] = 3;
            }
        }
        $provincelist = Db::name('area')->where($where)->field('id as value,name')->select();
        $this->success('', '', $provincelist);
    }

    public function upload($dir = '', $from = '')
    {
        Adminlog::setTitle('附件上传');
        if ($dir == '') {
            return json([
                'code'    => 0,
                'msg'     => '没有指定上传目录',
                'state'   => '没有指定上传目录', //兼容百度
                'message' => '没有指定上传目录', //兼容editormd
            ]);
        }
        $chunkid = $this->request->post("chunkid");
        if ($chunkid) {
            if (!config('chunking')) {
                return json([
                    'code' => 0,
                    'msg'  => '未开启分片上传功能',
                ]);
            }
            //分片
            $action     = $this->request->post("action");
            $chunkindex = $this->request->post("chunkindex/d", 0);
            $chunkcount = $this->request->post("chunkcount/d", 1);
            $filename   = $this->request->post("filename");
            $method     = $this->request->method(true);
            if ($action == 'merge') {
                $attachment = null;
                //合并分片文件
                try {
                    $upload     = new UploadLib();
                    $attachment = $upload->merge($chunkid, $chunkcount, $filename, $dir, $from);
                } catch (UploadException $e) {
                    return json([
                        'code'    => 0,
                        'msg'     => $e->getMessage(),
                        'state'   => $e->getMessage(), //兼容百度
                        'message' => $e->getMessage(), //兼容editormd
                    ]);
                }
                return $attachment;
            } elseif ($method == 'clean') {
                //删除冗余的分片文件
                try {
                    $upload = new UploadLib();
                    $upload->clean($chunkid);
                } catch (UploadException $e) {
                    return json([
                        'code'    => 0,
                        'msg'     => $e->getMessage(),
                        'state'   => $e->getMessage(), //兼容百度
                        'message' => $e->getMessage(), //兼容editormd
                    ]);
                }
                return json(['code' => 1]);
            } else {
                //上传分片文件
                $file = $this->request->file('file');
                try {
                    $upload = new UploadLib($file);
                    $upload->chunk($chunkid, $chunkindex, $chunkcount);
                } catch (UploadException $e) {
                    return json([
                        'code'    => 0,
                        'msg'     => $e->getMessage(),
                        'state'   => $e->getMessage(), //兼容百度
                        'message' => $e->getMessage(), //兼容editormd
                    ]);
                }
                return json(['code' => 1]);
            }
        }
        // 获取附件数据
        switch ($from) {
            case 'editormd':
                $file_input_name = 'editormd-image-file';
                break;
            case 'ueditor':
                $file_input_name = 'upfile';
                break;
            default:
                $file_input_name = 'file';
        }
        $attachment = null;

        try {
            //默认普通上传文件
            $file = $this->request->file($file_input_name);
            if ($from == 'ueditor') {
                return $this->ueditor($file);
            }
            $upload     = new UploadLib($file);
            $attachment = $upload->upload($dir);
        } catch (UploadException | Exception $e) {
            return json([
                'code'    => 0,
                'msg'     => $e->getMessage(),
                'state'   => $e->getMessage(), //兼容百度
                'message' => $e->getMessage(), //兼容editormd
            ]);
        }
        return $attachment;
    }

    private function ueditor($file)
    {
        $action = $this->request->get('action');
        switch ($action) {
            /* 获取配置信息 */
            case 'config':
                $result = $this->editorConfig;
                break;
            /* 上传图片 */
            case 'uploadimage':
                $upload = new UploadLib($file);
                return $upload->upload('images', 'ueditor');
                break;
            /* 上传涂鸦 */
            case 'uploadscrawl':
                $upload = new UploadLib($file);
                return $upload->upload('images', 'ueditor_scrawl');
                break;
            /* 上传视频 */
            case 'uploadvideo':
                $upload = new UploadLib($file);
                return $upload->upload('videos', 'ueditor');
                break;
            /* 上传附件 */
            case 'uploadfile':
                $upload = new UploadLib($file);
                return $upload->upload('files', 'ueditor');
                break;
            /* 列出图片
            /*case 'listimage':
            return $this->showFileList('listimage');
            break;
            列出附件
            case 'listfile':
            return $this->showFileList('listfile');
            break;*/
            default:
                $result = [
                    'state' => '请求地址出错',
                ];
                break;
        }
        /* 输出结果 */
        if (isset($_GET["callback"])) {
            if (preg_match("/^[\w_]+$/", $_GET["callback"])) {
                return htmlspecialchars($_GET["callback"]) . '(' . $result . ')';
            } else {
                return json(['state' => 'callback参数不合法']);
            }
        } else {
            return json($result);
        }
    }
}