package com.product.device.service;

import cn.hutool.extra.qrcode.QrCodeUtil;
import cn.hutool.extra.qrcode.QrConfig;
import com.product.device.utils.QuickResponseCode;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;

import com.product.common.lang.StringUtils;

import java.io.File;
import java.io.IOException;

@Service
public class QuickResponseService {
    @Resource
    QrConfig qrconig;
    public void generateFile(String content, File file){
        //生成到本地文件
        QrCodeUtil.generate(content, qrconig, file);
    }
    //输出到流
    public void generateStream(String content, HttpServletResponse response) throws IOException {
        QrCodeUtil.generate(content,qrconig,"png",response.getOutputStream());
    }
    public static void generateQRFile(String content,File file) {
    	//生成到本地文件
        QrCodeUtil.generate(content, QuickResponseCode.getQRConfig(), file);
    }
    /**
     * 生成设备编码的二维码
     * @param device_sn
     * @param file
     */
    public static void generateDeviceQRFile(String device_sn,String uuid,File file) {
    	StringBuilder str=new StringBuilder();
    	str.append("{");
    	if(!StringUtils.isEmpty(device_sn)) {
    		str.append( "\"asset_code\":\"").append(device_sn ).append("\"");
    	}
    	if(!StringUtils.isEmpty(uuid)) {
    		str.append( ",\"uuid\":\"").append(uuid ).append("\"");
    	}
    	str.append("}");

    	//生成到本地文件
        QrCodeUtil.generate(str.toString(), QuickResponseCode.getQRConfig(), file);
    }

    public static void main(String args[]) {
    	QuickResponseService k=new QuickResponseService();
    	File f=new File("d:/device.png");
    	k.qrconig=QuickResponseCode.getQRConfig();
    	k.generateFile("dfsgefsdf", f);
    	for(int i=0;i<5;i++) {
	    	File f1=new File("d:/device"+i+".png");
	    	generateDeviceQRFile("device_"+i,"uuids_"+i,f1);
    	}
    }
}