<?php

/**
 * upload文件管理
 *
 * @version      0.0.0
 * @author      by huwhois
 * @time        2017/11/27
 */

namespace app\sys\controller;

use think\facade\View;
use think\File;
use think\Image;
use think\facade\Config;

use app\common\service\FileService;
use Exception;

class FileManager extends Base
{
    protected $t_suffix = '_thumb';
    protected $width = 400;  // 缩略图高度
    protected $height = 300;

    /**
     * 处理上传的图片
     */
    protected function dealUploadImg(File $file, $water, $thumb, $width, $height, $overwrite)
    {
        $savename = "";
        $thumbname = "";

        if ($water == true || $thumb == true) {
            $image = Image::open($file);

            if ($water) {
                $type = $this->system->water_type ?: Config::get('filesystem.water.type');

                if ($type == 'water') {
                    $watemark = $this->system->watermark ?: Config::get('filesystem.water.watermark');
                    $image->water($watemark);
                } else {
                    $watetext = $this->system->watertext ?: Config::get('filesystem.water.watertext');
                    $image->text($watetext, Config::get('filesystem.water.waterfont'), 30, '#ffffff30');
                }
            }

            $savename = $file->hashName();
            $realPath = Config::get('filesystem.disks.public.root') . '/' . $savename;

            if ($thumb == true) {
                if ($overwrite == true) {
                    $image->thumb($width, $height, 1);

                    $image->save($realPath);
                } else {
                    $image->save($realPath);

                    $image->thumb($width, $height, 1);

                    $ext = $file->extension();

                    $thumbname = str_replace('.' . $ext, '', str_replace('\\', '/', $savename)) . $this->t_suffix . '.' . $ext;
                    // halt(Config::get('filesystem.disks.public.root') .'/' . $thumbname);
                    $image->save(Config::get('filesystem.disks.public.root') . '/' . $thumbname);
                }
            } else {
                $image->save($realPath);
            }
            unset($image);
        } else {
            $savename = \think\facade\Filesystem::disk('public')->putFile('/', $file);
        }

        return [
            'picname'   => str_replace('\\', '/', $savename),
            'thumbname' => $thumbname
        ];
    }

    /**
     * 图片上传
     * @file upload_file   上传的文件
     * @param string  $img_id   图片ipnut text id 默认值 picture
     * @param boolean $water    是否添加水印
     * @param boolean $thumb    是否制作缩略图
     * @param int $width        缩略图最大宽
     * @param int $height       缩略图最大高
     * @param bool $overwrite   生成缩略图后是否保存原图
     */
    public function uploadimg(string $img_id = 'picture', $water = false, $thumb = false, $width = 400, $height = 300, $overwrite = false)
    {
        if ($this->request->isPost()) {
            $file = $this->request->file('upload_file');
            if ($file) {
                try {
                    validate(
                        [
                            'file' => [
                                // 限制文件大小(单位b)，这里限制为4M
                                'fileSize' => 4 * 1024 * 1024,
                                // 限制文件后缀，多个后缀以英文逗号分割
                                'fileExt'  => 'jpg,png,gif,jpeg,webp,jfif'
                            ]
                        ],
                        [
                            'file.fileSize' => '文件太大',
                            'file.fileExt' => '不支持的文件后缀',
                        ]
                    )->check(['file' => $file]);

                    $arr = $this->dealUploadImg($file, $water, $thumb, $width, $height, $overwrite);

                    return array_merge([
                        'code' => 0,
                        'img_id' => $img_id,
                        'picture_url' => Config::get('filesystem.disks.public.url') . '/']
                        , $arr);
                } catch (\think\exception\ValidateException $e) {
                    $this->error($e->getMessage());
                }
            } else {
                $this->error('图片不能为空');
            }
        } else {
            View::assign('img_id', $img_id);
            View::assign('water', $water);
            View::assign('thumb', $thumb);
            View::assign('width', $width);
            View::assign('height', $height);
            View::assign('overwrite', $overwrite);

            return View::fetch();
        }
    }

    /**
     * 图片上传
     * @file upload_file   上传的文件
     * @param string  $img_id   图片ipnut text id 默认值 picture
     * @param boolean $water    是否添加水印
     * @param boolean $thumb    是否制作缩略图
     * @param int $width        缩略图最大宽
     * @param int $height       缩略图最大高
     * @param bool $overwrite   生成缩略图后是否保存原图
     */
    public function uploadurlimg(string $img_id = 'picture', $water = false, $thumb = false, $width = 400, $height = 300, $overwrite = false)
    {
        if ($this->request->isPost()) {
            $urlImg = $this->request->param('url_file');

            if ($urlImg) {
                try {
                    $fileService = new FileService();

                    $file = $fileService->urlImg($urlImg);

                    $arr = $this->dealUploadImg($file, $water, $thumb, $width, $height, $overwrite);

                    @unlink($file->realPath);

                    return array_merge([
                        'code' => 0,
                        'img_id' => $img_id,
                        'picture_url' => Config::get('filesystem.disks.public.url') . '/']
                        , $arr);
                } catch (\think\exception\ValidateException $e) {
                    $this->error($e->getMessage());
                }
            } else {
                $this->error('图片地址不能为空');
            }
        }
    }

    public function uploadonlineimg(string $img_id = 'picture', $water = false, $thumb = false, $width = 400, $height = 300, $overwrite = false)
    {
        if ($this->request->isPost()) {
            $pathImg = $this->request->param('online_file');

            if ($pathImg && file_exists($this->app->getRootPath() . "public" . $pathImg)) {

                $picname = $pathImg;
                $thumbname = "";
                
                if ($thumb) {
                    if (stripos($picname, $this->t_suffix)) {
                        $thumbname = $pathImg;
                    } else {
                        try {
                            $file = new File($this->app->getRootPath() . "public"  . $pathImg);
    
                            $ext = $file->getExtension();
                            
                            $thumbname = str_replace('.' . $ext, '', str_replace('\\', '/', $picname)) . $this->t_suffix . '.' . $ext;

                            if (!file_exists($thumbname)) {
                                $image = Image::open($file);
        
                                $image->thumb($width, $height, 1);
            
                                $image->save($this->app->getRootPath() . "public"  .  $thumbname);
                                unset($image);
                            }

                            if ($overwrite) {
                                $picname = $thumbname;
                            }
                        } catch (Exception $e) {
                            $this->error($e->getMessage());
                        }
                    }
                }

                return [
                    'code' => 0,
                    'img_id' => $img_id,
                    'picname' => $picname,
                    'thumbname' => $thumbname,
                ];
            } else {
                $this->error('图片地址不存在');
            }
        }
    }

    public function onlineimg($page)
    {
        $files =  FileService::getFiles(Config::get('filesystem.disks.public.root'));

        if (!count($files)) {
            return json_encode(array(
                "state" => "no match file",
                "list" => array(),
                "start" => $page,
                "total" => count($files)
            ));
        }
        /* 获取指定范围的列表 */
        $page = $page-1 < 0 ? 0 : (int)$page - 1;
        $size = 20;
        $start = $page * $size;
        $end = $start + $size;

        $len = count($files);

        for ($i = min($end, $len) - 1, $list = array(); $i < $len && $i >= 0 && $i >= $start; $i--){
            $list[] = $files[$i];
        }

        return json([ "code" => 0,
            "list" => $list,
            "page" => $page+1,
            "total" => count($files)
        ]);
    }

    public function index()
    {
        $data = $this->explorer();

        View::assign('dirs', $data['dirs']);
        View::assign('files', $data['files']);
        View::assign('counts', $data['counts']);
        View::assign('activeurl', $data['activeurl']);
        View::assign('activepath', $data['activepath']);

        return View::fetch();
    }

    /**
     * 获取当前文件相关信息
     * @return array $data 文件信息数据组
     */
    protected function explorer()
    {
        $param = $this->request->param();

        $activepath =  isset($param['activepath']) ? $param['activepath'] : '';

        $inpath = "";

        $inpath = $this->img_path . $activepath;

        $dirhandle = scandir($inpath);

        $dirs = $files = [];

        define('BKM', 1024);

        foreach ($dirhandle as $val) {
            if ($val == "." || $val == "..") {
                continue;
            } elseif (is_dir($inpath . DIRECTORY_SEPARATOR . $val)) {
                $dirs[] = $val;
            } else {
                $arr = [];
                $file = '';
                $file = $inpath . DIRECTORY_SEPARATOR . $val;

                $arr['name'] = $val;

                $arr['extension'] = pathinfo($file, PATHINFO_EXTENSION);

                $filesize = floatval(filesize($file));
                if ($filesize > BKM) {
                    $filesize =  round($filesize / BKM, 2);

                    if ($filesize > BKM) {
                        $filesize = round($filesize / BKM, 2);

                        $filesize .= "M";
                    } else {
                        $filesize .= "K";
                    }
                } else {
                    $filesize .= "B";
                }
                $arr['size'] = $filesize;

                $filetime = filemtime("$file");
                $arr['time'] = date("Y-m-d H:i:s", $filetime);

                $files[] = $arr;
            }
        }
        $counts = count($dirs) + count($files);

        $activeurl = preg_replace("#[\/][^\/]*$#i", "", $activepath);

        $data = [
            'dirs'      => $dirs,
            'files'     => $files,
            'counts'    => $counts,
            'activeurl' => $activeurl,
            'activepath' => $activepath,
        ];

        return $data;
    }

    public function delDir()
    {
        if ($this->request->isAjax()) {
            $activepath = $this->request->param('activepath');
            $activepath = str_replace('/', DIRECTORY_SEPARATOR, $activepath);
            $dir = $this->request->param('dir');

            $dir_name = app()->getRootPath . 'public' . DIRECTORY_SEPARATOR . $activepath . DIRECTORY_SEPARATOR . $dir;

            if (count(scandir($dir_name)) > 2) {
                return ['status' => 1, 'msg' => '不可删除非空目录'];
            }

            if (rmdir($dir_name)) {
                return ['status' => 2, 'msg' => 'success'];
            } else {
                return ['status' => 0, 'msg' => 'failed'];
            }
        }
    }

    public function del()
    {
        if ($this->request->isAjax()) {
            $activepath = $this->request->param('activepath');
            $activepath = str_replace('/', DIRECTORY_SEPARATOR, $activepath);
            $filename = $this->request->param('filename');

            if (unlink(app()->getRootPath . 'public' . DIRECTORY_SEPARATOR . $activepath . DIRECTORY_SEPARATOR . $filename)) {
                return ['status' => 1, 'msg' => 'success'];
            } else {
                return ['status' => 0, 'msg' => 'failed'];
            }
        }
    }

    // public function upload()
    // {
    //     if ($this->request->isGet()) {
    //         return View::fetch()();
    //     } else {
    //         $isthumb = $this->request->has('isthumb', 'post') ? $this->request->post('isthumb') : 0;
    //         $mode = $this->request->has('formername', 'post') ? $this->request->post('formername') : 0;
    //         $file = request()->file('image');

    //         $info = $this->saveUpload($file, $mode);

    //         if (!$info) {
    //             $this->error($info->getError());
    //         }

    //         $filename = $info->getSaveName();
    //         unset($info);
    //         if ($isthumb == 1) {
    //             $width = $this->request->has('width', 'post') ? $this->request->post('width') : $this->t_width;
    //             $height = $this->request->has('height', 'post') ? $this->request->post('height') : $this->t_height;

    //             $thumbname = $this->makeThumb($filename, $width, $height);

    //             if (!$thumbname) {
    //                 $this->error('缩略图生成失败');
    //             }
    //         } else {
    //             $thumbname = '';
    //         }

    //         if ($this->request->isAjax()) {
    //             return ['code'=>2, 'picname' => $filename, 'thumbname'=>$thumbname];
    //         } else {
    //             $this->success('上传成功', '/file_manager/index');
    //         }
    //     }
    // }

    /**
     * 保存上传的图片
     * @param object $file 获取的上传对象
     * @param boolean $mode 是否保存原文件名 0(false), 生成新名称; 1(true), 保留原名
     * @return object 返回文件保存对象
     */
    protected function saveUpload($file, $mode)
    {
        $validate = ['size' => 2097152, 'ext' => 'jpg,png,gif,jpeg'];

        if ($mode) {
            $upload = $file->validate($validate)->move(app()->getRootPath . 'public' . DIRECTORY_SEPARATOR . 'uploads', '');
        } else {
            $upload = $file->validate($validate)->move(app()->getRootPath . 'public' . DIRECTORY_SEPARATOR . 'uploads');
        }

        return $upload;
    }

    /**
     * 站内选择
     * @return void
     */
    public function selectPicture()
    {
        $data = $this->explorer();

        View::assign('data', $data);
        return View::fetch()();
    }

    public function uploadPicture()
    {
        return View::fetch()();
    }

    // public function onlinePicture()
    // {
    //     if ($this->request->isAjax()) {
    //         $param = $this->request->param();
    //         $urlimg = $param['filename'];
    //         $download = $param['download'];
    //         $isthumb = $param['isthumb'];
    //         $formername = $param['formername'];

    //         $res = \mylib\GetImageByurl::isImg($urlimg);
    //         if (!$res) {
    //             $this->error('该图片不合法');
    //         } else {
    //             if (!$download) {
    //                 return ['code'=>2,'filename'=>$urlimg];
    //             } else {
    //                 $basepath = \config('url_domain_root') . '/uploads';
    //                 // var_dump($param);

    //                 if ($isthumb!=1  &&  preg_match("#" . $basepath . "#i", $urlimg)) {
    //                     $this->error('图片已在服务其中, 可直接选用');
    //                 }

    //                 // 按文件夹日期夹存放图片
    //                 $today = date('Ymd', time());
    //                 $savePath = $this->img_path . $today;
    //                 if (!is_dir($savePath)) {
    //                     if (mkdir($savePath) == false) {
    //                         $this->error('下载失败, 请稍后重试');
    //                     }
    //                 }

    //                 if ($formername==1) {
    //                     // 获取原文件名
    //                     $fileinfo = pathinfo($urlimg);
    //                     if (!isset($fileinfo['extension']) || !in_array($fileinfo['extension'], ['jpg', 'jpeg', 'png', 'gif'])) {
    //                         $ext = \mylib\GetImageByurl::getEXTENSION($urlimg);
    //                     }
    //                     $filename = $fileinfo['basename'] . '.' . $ext;
    //                 } else {
    //                     $filename = '';
    //                 }

    //                 $filename = \mylib\GetImageByurl::getImageByurl($urlimg, $filename, $savePath);

    //                 if ($filename) {
    //                     // 生成缩略图
    //                     if ($isthumb==1) {
    //                         $width = $this->request->has('width', 'post') ? $this->request->post('width') : $this->t_width;
    //                         $height = $this->request->has('height', 'post') ? $this->request->post('height') : $this->t_height;

    //                         $thumbname = $this->makeThumb($today . DIRECTORY_SEPARATOR . $filename, $width, $height);

    //                         if (!$thumbname) {
    //                             $this->error('缩略图生成失败');
    //                         }
    //                     } else {
    //                         $thumbname = '';
    //                     }

    //                     return ['code'=>2, 'filename' => $today . DIRECTORY_SEPARATOR . $filename, 'thumbname'=>$thumbname];
    //                 } else {
    //                     $this->error('图片下载失败');
    //                 }
    //             }
    //         }   
    //     } else {
    //         return View::fetch()();
    //     }
    // }

    /**
     * 判断(远程)文件是否为图片
     */
    // public function isImg()
    // {
    //     if ($this->request->isAjax()) {
    //         $filename = $this->request->param('filename');

    //         $res = \mylib\GetImageByurl::isImg($filename);
    //         if (!$res) {
    //             $this->error('该图片不合法');
    //         } else {
    //             return ['code'=>2,'msg'=>'图片地址可用'];
    //         }
    //     }
    // }

    /**
     * ckeditor 富文本编辑器上传图片
     */
    public function ckeditorUploadImage()
    {
        if ($this->request->isPost()) {
            $file = $this->request->file('upload');
            if ($file) {
                try {
                    validate(
                        [
                            'file' => [
                                // 限制文件大小(单位b)，这里限制为4M
                                'fileSize' => 4 * 1024 * 1024,
                                // 限制文件后缀，多个后缀以英文逗号分割
                                'fileExt'  => 'jpg,png,gif,jpeg,webp,jfif'
                            ]
                        ],
                        [
                            'file.fileSize' => '文件太大',
                            'file.fileExt' => '不支持的文件后缀',
                        ]
                    )->check(['file' => $file]);

                    $savename = \think\facade\Filesystem::disk('public')->putFile('/', $file);

                    return json([
                        'uploaded' => 1,
                        'fileName' => basename($savename),
                        'url' => Config::get('filesystem.disks.public.url') . '/' . $savename
                    ]);
                } catch (\think\exception\ValidateException $e) {
                    $this->error($e->getMessage());
                    return json([
                        'uploaded' => 1,
                        'error' =>  ['message'=>$e->getMessage()]
                    ]);
                }
            } else {
                return json([
                    'uploaded' => 1,
                    'error' =>  ['message'=>'图片不能为空']
                ]);
            }
        }
    }
}