<?php
declare (strict_types = 1);

namespace app\admin\controller\v1;

use app\admin\model\v1\ImageModel;
use Intervention\Image\ImageManager;
use think\facade\Filesystem;

class Images
{
    // 上传
    public function upload()
    {
        $param = request()->param(['module']);
        if (is_null($param)) {
            return error('请确定请求参数正确');
        }
        $file = request()->file('image');
        if (is_null($file)) {
            return error('请确定上传对象或字段是否正确');
        }

        try {
            $validate = validate([
                'module' => 'require|max:64',
                'image'  => 'fileSize:1048576|fileExt:jpg,jpeg,png,gif'
            ]);
            if (!$validate->check(['module' => $param['module'], 'image' => $file])) {
                return error($validate->getError());
            }

            $storage = config('filesystem.disks.image.url');

            $filemd5  = $file->md5();
            $filesha1 = $file->sha1();

            $image_model = ImageModel::md5($filemd5)->find();
            if (is_null($image_model)) {
                $filename = Filesystem::disk('image')->putFile($param['module'], $file);
                // 生成缩略图
                $image_manager = new ImageManager(new \Intervention\Image\Drivers\Gd\Driver());
                $image = $image_manager->read('.' . $storage . '/' . $filename);
                $image->scale(200, 200);
                $idx = strrpos($filename, '.');
                $thumb_filename = mb_substr($filename, 0, $idx) . '_thumb.' . mb_substr($filename, $idx + 1);
                $image->save('.' . $storage . '/' . $thumb_filename);

                // 保存图片
                $image_model = new ImageModel();
                $image_model->language_id = request()->lang_id;
                $image_model->module      = $param['module'];
                $image_model->image_path  = $filename;
                $image_model->image_thumb = $thumb_filename;
                $image_model->image_size  = $file->getSize();
                $image_model->image_type  = $file->getOriginalMime();
                $image_model->image_md5   = $filemd5;
                $image_model->image_sha1  = $filesha1;
                if (!$image_model->save()) {
                    return error('上传失败');
                }
            }

            return success('操作成功', [
                'url'       => $storage . '/' . $image_model->image_path,
                'thumb_url' => $storage . '/' . $image_model->image_thumb,
                'filemd5'   => $image_model->image_md5,
                'filesha1'  => $image_model->image_sha1
            ]);
        } catch (\Throwable $th) {
            return error($th->getMessage());
        }

        return error('上传失败');
    }
}