<?php

declare(strict_types=1);

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

namespace app\controller\sys;

use Exception;
use UnexpectedValueException;
use DirectoryIterator;
use think\facade\View;
use think\facade\Config;
use think\File;
use think\Image;
use think\exception\ValidateException;
use think\file\UploadedFile;

use app\common\service\FileService;
use app\model\FileManager as FileManagerModel;
use app\facade\FileFacade;

class FileManager extends Base
{
    protected $modelName = 'FileManager';
    protected $t_suffix = '_thumb';
    protected $width = 400;  // 缩略图高度
    protected $height = 300;
    protected $storage_path = 'public/storage';
    
    public function index()
    {
        return "error";
    }

    /**
     * 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);

                    $savename = str_replace('\\', '/', $savename);
                    $infoid   = (int) $this->request->param('infoid');
                    $cjid     = (int) $this->request->param('cjid');
                    $username = $this->getSysUser()->username;
                    
                    FileManagerModel::saveFileInfo($file, $savename, $file->getOriginalName(), $infoid, $cjid, $username);

                    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']
                ]);
            }
        }
    }

    /**
     * 文件上传
     */
    public function uploadFile()
    {
        $files = $this->request->file('upload_file');

        if ($files) {
            try {
                validate(
                    [
                        'file' => [
                            // 限制文件大小(单位b)，这里限制为10M
                            'fileSize' => 10 * 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,pdf,doc,docx,xls,xlsx,ppt,pptx,txt'
                        ]
                    ],
                    [
                        'file.fileSize' => '文件太大',
                        'file.fileExt' => '不支持的文件后缀',
                    ]
                )->check(['file' => $files]);

                $savenames = [];

                $uploadFiles = [];
                
                if (!is_array($files) && $files instanceof UploadedFile) {
                    $uploadFiles[] = $files;
                } else {
                    $uploadFiles = $files;
                }

                $url = Config::get('filesystem.disks.public.url');

                foreach ($uploadFiles as $file) {
                    $fileinfo = new FileManagerModel();
                    
                    $fileinfo->title         = $file->getOriginalName();
                    $fileinfo->filesize      = $file->getSize();
                    $fileinfo->filetime      = $file->getCTime();
                    $fileinfo->fileextension = $file->extension();
                    $fileinfo->username      = $this->getSysUser()->username;
                    $fileinfo->hash_md5      = $file->md5();
                    
                    $savename = \think\facade\Filesystem::disk('public')->putFile('/', $file);
                    
                    $fileinfo->filepath = $url . '/' . $savename;

                    $fileinfo->save();

                    $savenames[] = $fileinfo->filepath;
                }

                return json(['code' => 0, 'msg'=>'上传成功', 'filename'=>$savenames]);
            } catch (ValidateException $e) {
                $this->error($e->getMessage());
            }
        } else {
            $this->error('图片不能为空');
        }
    }

    /**
     * 本地图片上传
     * @file upload_file   上传的文件
     * @param string  $img_id   图片ipnut text id 默认值 picture
     * @param boolean $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 int $id           信息ID
     * @param int $cjid         信息临时ID
     * @param bool $saveoriginal   生成缩略图后是否保存原图 默认保存 saveoriginal
     */
    public function uploadLocalImg(string $img_id = 'picture', $thumb = false, $width = 400, $height = 300,
        $original = false, $id = 0, $cjid = 0)
    {
        if ($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]);

                    $result = $this->dealUploadImg($file, $thumb, $width, $height, $original, $id, $cjid);

                    return json([
                        'code'    => 0,
                        'img_id'  => $img_id,
                        'picname' => $result['picname'],
                        'thumb'   => $result['thumbname']
                    ]);
                } catch (ValidateException $e) {
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    $this->error($e->getMessage());
                }
            } else {
                $this->error('图片不能为空');
            }
        }
    }

    /**
     * 网络图片上传
     * @paran string url_file   网络图片地址
     * @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', $thumb = false, $width = 400, $height = 300,
        $original = false, $id = 0, $cjid = 0)
    {
        if ($this->request->isPost()) {
            $urlImg = $this->request->param('url_file');

            if ($urlImg) {
                try {
                    $file = FileFacade::downloadUrlImg($urlImg);
                    
                    $result = $this->dealUploadImg($file, $thumb, $width, $height, $original, $id, $cjid);

                    // 删除临时文件
                    @unlink($file->getRealPath());

                    return json([
                        'code'    => 0,
                        'img_id'  => $img_id,
                        'picname' => $result['picname'],
                        'thumb'   => $result['thumbname']
                    ]);
                } catch (\think\exception\ValidateException $e) {
                    $this->error($e->getMessage());
                }
            } else {
                $this->error('图片地址不能为空');
            }
        }
    }


    /**
     * 处理上传的图片
     */
    protected function dealUploadImg(UploadedFile $file, $thumb, $width, $height, $original, $id, $cjid): array
    {
        $urlpath = Config::get('filesystem.disks.public.url');

        $username = $this->getSysUser()->username;

        $savename =  str_replace('\\', '/', $file->hashName());

        $originalName = $file->getOriginalName();

        $thumbname = "";

        if ($thumb == true) {
            $image = Image::open($file);
            
            $image->thumb($width, $height, 1);

            $ext = $file->extension();
            
            if ($original == true) {
                \think\facade\Filesystem::disk('public')->putFileAs('/', $file, $savename);
                
                $thumbname = str_replace('.' . $ext, '',  $savename) . $this->t_suffix . '.' . $ext;

                $savepath = str_replace('\\', '/', Config::get('filesystem.disks.public.root') . '/' . $thumbname);

                $image->save($savepath);
                
                FileManagerModel::saveFileInfo($savepath, $thumbname, $originalName, $id, $cjid, $username);

                $thumbname = $urlpath . '/' . $thumbname;
            } else {
                $image->save(Config::get('filesystem.disks.public.root') . '/' . $savename);
            }
        } else {
            \think\facade\Filesystem::disk('public')->putFileAs('/', $file, $savename);
        }

        $fileinfo = FileManagerModel::saveFileInfo($file, $savename, $originalName, $id, $cjid, $username);
        
        return [
            'picname'   => $fileinfo->filepath,
            'thumbname' => $thumbname,
        ];
    }
}