<?php
// +----------------------------------------------------------------------
// | Bwsaas
// +----------------------------------------------------------------------
// | Copyright (c) 2015~2020 http://www.buwangyun.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Gitee ( https://gitee.com/buwangyun/bwsaas )
// +----------------------------------------------------------------------
// | Author: buwangyun <hnlg666@163.com>
// +----------------------------------------------------------------------
// | Date: 2020-9-28 10:55:00
// +----------------------------------------------------------------------

namespace bw\poster\template;

use bw\Common;

/** 捐款证书绘制工具基类
 * Class Common
 * @package app\bwmall\model
 */
abstract class  Base
{

    protected $binaryData = null;

    protected $temp_url = 'uploads/qrcode';//临时，目录

    protected $path = '';

    protected $fileName = '';

    protected $data = [];//替换数据


    //抽象方法
    abstract public  function draw($data = []);

    /**绘制图片方法
     * @param array $config
     * @param string $path
     * @param string $fileName
     * @return array
     * @throws \app\common\exception\UploadException
     */
    public function out()
    {
      if(!$this->binaryData)$this->draw();
      if(!$this->binaryData)throw new \Exception('没有二进制流文件');
        ob_start();
        imagejpeg($this->binaryData);
        imagedestroy($this->binaryData);
        $res = ob_get_contents();//文件二进制流
        ob_end_clean();
        $outfile = $this->temp_url . '/';  //本地缓存地址
        if (!file_exists('./' . $outfile . $this->path)) mkdir('./' . $outfile . $this->path, 0777, true);
        $filepath = './' . $outfile . $this->path . '/' . $this->fileName;

        file_put_contents($filepath, $res);
        //保存到fastadmin框架
        $attachment = Common::setFastAdminFile($filepath, $this->fileName);
        // TODO: 生成后删除源文件
        @unlink($filepath);
        return ['url' => $attachment->url, 'fullurl' => cdnurl($attachment->url, true)];
    }


    /**
     * 设置模板保存路径
     */
    public function path($path){
        $this->path = $path;
        return $this;
    }

    public function fileName($fileName){
        $this->fileName = $fileName;
        return $this;
    }

    public function imageStream($imageStream){
        $this->binaryData = $imageStream;
        return $this;
    }

    /**
     * @param $data
     * @param null $value
     * @return $this
     */
    public function setData($data,$value=null){
        if(is_array($data)) $this->data = array_merge($this->data,$data);
        if(is_string($data))$this->data[$data] = $value;
        return $this;
    }


    /**绘制图片方法DEMO
     * @param array $config
     * @param string $path
     * @param string $fileName
     * @return array
     * @throws \app\common\exception\UploadException
     */
//    public function draw($data = [])
//    {
//        if($data)$this->setData($data);
//
//        //得到动态数据
//        $background_image_url = config("site.fundraising_cert_tpl"); //背景图片
//        if(!$background_image_url)throw new \Exception("缺少证书模板");
//        $name = $this->data['name'];//人名
//        $org_name = $this->data['org_name'];//组织名
//        $createtime = $this->data['createtime'];//捐款时间
//        $desc = $this->data['desc'];//描述
//        $code = $this->data['code'];//捐款代码
//        // 调用绘制方法
//        //$background_base = xxxx
//        //返回自身
//        return $this->imageStream($background_base);
//    }


}