<?php

namespace app;

use app\model\UploadFiles as AppUploadFiles;
use League\Flysystem\Util\MimeType;
use think\facade\Filesystem;
use think\facade\Config;
use think\File;
use think\file\UploadedFile;

class UploadFiles
{

    public static function add()
    {
        return new AppUploadFiles();
    }

    public static function create($data, $allowFiled = [], $replace = false)
    {
        return AppUploadFiles::create($data, $allowFiled, $replace);
    }

    public static function use($save_name)
    {
        return AppUploadFiles::where('save_name', $save_name)->update([
            'used_time' => time(),
            'status' => 1
        ]);
    }

    public static function delete($save_name)
    {
        return AppUploadFiles::where('save_name', $save_name)->update([
            'delete_time' => time(),
            'status' => 2
        ]);
    }

    public static function clear($id)
    {
        $model_file = AppUploadFiles::withTrashed()->find($id);

        $model_file->clear_time = time();
        $model_file->status = 3;

        $model_file->save();

        return Filesystem::delete($model_file->getData('save_name'));
    }

    public static function save(Request $request)
    {

        $type = $request->param('type');
        if (empty($type)) {
            return json_message('缺少类型参数');
        }
        $dir_name = $request->param('dir', $type);

        $file = request()->file('file');


        try {

            self::fileScan($file);

            $model_file = self::saveFile($file, $type, $dir_name);
            return json_message($model_file->toArray());
        } catch (\Throwable $th) {
            return json_message($th->getMessage());
        }
    }

    public static function fileScan($file)
    {
        $file_extension = $file->extension();

        if ($file_extension == 'php') {
            throw new \Exception('上传文件异常');
        }

        $file_path = $file->getRealPath();

        $file_content = file_get_contents($file_path);

        if (strpos($file_content, '<?php') !== false) {
            throw new \Exception('上传文件异常');
        }

        if (empty($file)) {
            throw new \Exception('上传失败');
        }
    }

    public static function wangEditorSave(Request $request)
    {

        $type = $request->param('type');
        if (empty($type)) {
            return json_message('缺少类型参数');
        }
        $dir_name = $request->param('dir', $type);

        $file = $request->file('file');

        $saved_files_src = '';
        self::fileScan($file);

        $saved_files_src = self::saveFile($file, $type, $dir_name)->src;


        return json([
            "errno" => 0,
            "data" => [
                'url' => $saved_files_src,

            ]
        ]);
    }
    public static function editormdSave(Request $request)
    {

        $type = $request->param('type', 'editormd');
        if (empty($type)) {
            return json_message('缺少类型参数');
        }
        $dir_name = $request->param('dir', $type);

        $files = $request->file();

        $saved_files_src = [];

        foreach ($files as $file) {
            try {

                self::fileScan($file);

                $saved_files_src[] = self::saveFile($file, $type, $dir_name)->src;
            } catch (\Throwable $th) {
                return json([
                    "success" => 1,
                    "message" => $th->getMessage(),

                ]);
            }
        }

        return json([
            "success" => 1,
            "message" => "上传成功",
            "url" => $saved_files_src
        ]);
    }

    public static function saveFile($file, $type, $dir_name = null)
    {
        if (is_null($dir_name)) {
            $dir_name = $type;
        }
        $model_file = UploadFiles::add();

        if ($file instanceof UploadedFile) {

            $model_file->file_name = $file->getOriginalName();
        } else {
            $model_file->file_name = $file->getFilename();
        }

        $model_file->mime_type = $file->getMime();
        $model_file->ext_name = $file->extension();
        $model_file->file_size = $file->getSize();
        $model_file->file_md5 = $file->md5();
        $model_file->file_sha1 = $file->sha1();
        $model_file->create_time = time();
        $model_file->type = $type;

        $model_file->save_name = Filesystem::putFile('upload/' . $dir_name, $file, 'uniqid');
        $model_file->save();
        $model_file->append(['src']);
        return $model_file;
    }

    public static function saveUrlFile($url, $type)
    {
        $file_data = geturl($url);
        return json_message(self::saveData($file_data, $type)->toArray());
    }

    public static function saveBase64File($file_data, $type)
    {
        if (strstr($file_data, ",")) {
            $file_data = explode(',', $file_data);
            $file_data = $file_data[1];
        }
        $file_data = base64_decode($file_data);
        return json_message(self::saveData($file_data, $type)->toArray());
    }

    public static function saveData($file_data, $type)
    {
        $mime_type = MimeType::detectByContent($file_data);
        $ext_name = array_search($mime_type, MimeType::getExtensionToMimeTypeMap());
        $temp_file = tempnam(app()->getRuntimePath(), 'url_save_') . '.' . $ext_name;
        file_put_contents($temp_file, $file_data);
        $file = new File($temp_file);
        $model_file = self::saveFile($file, $type);
        unlink($temp_file);
        return $model_file;
    }
}