<?php

namespace App\Handlers;

use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;

class ImageUploadHandler
{
    protected $allowed_ext = ["png", "jpg", "gif", 'jpeg'];

    public function save($file, $folder, $disk, $file_prefix = '')
    {

        // 获取文件的后缀名，因图片从剪贴板里黏贴时后缀名为空，所以此处确保后缀一直存在
        $extension = strtolower($file->getClientOriginalExtension()) ?: 'png';

        // 拼接文件名，加前缀是为了增加辨析度，前缀可以是相关数据模型的 ID
        // 值如：1_1493521050_7BVc9v9ujP.png
        if ($file_prefix) {
            $filename = $file_prefix . '_' . time() . '_' . Str::random(10) . '.' . $extension;
        } else {
            $filename = time() . '_' . Str::random(10) . '.' . $extension;
        }

        // 如果上传的不是图片将终止操作
        if (!in_array($extension, $this->allowed_ext)) {
            return false;
        }

        // 将图片移动到我们的目标存储路径中
        $path = Storage::disk($disk)->putFileAs($folder, $file, $filename);

        return $path;
    }

    /**
     *  创建邀请新用户微信二维码  createWechatQrcode
     *
     * @param $user_id
     * @return bool
     * @author Fx
     *
     */
    public function createWechatQrcode($folder,$user_id,$endfilename){
        // easywechat 生成二维码
        $easyWechat = app('wechat.mini_program');
        $response = $easyWechat->app_code->getUnlimit($user_id, [
            'page' => 'pages/index/index',
            'width' => 340,
        ]);

        if ($response instanceof \EasyWeChat\Kernel\Http\StreamResponse) {
            // 保存二维码
            $response->saveAs($folder, $user_id . $endfilename);
            return true;
        } else {
            Log::error('微信生成二维码失败' . $response);
            return false;
        }
    }
}