package com.dy.pmsBase.code;


import cn.hutool.core.codec.Base64;
import com.dy.common.util.QrCodeGenerator;
import com.dy.common.webUtil.BaseResponse;
import com.dy.common.webUtil.BaseResponseUtils;
import com.dy.pmsGlobal.util.QrCodeConstant;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.awt.image.BufferedImage;
import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

/**
 * 生成标识类二维码
 */
@Slf4j
@RestController
@RequestMapping(path = "markCode")
@SuppressWarnings("unchecked")//java版本越高，对泛型约束越严，所以配置SuppressWarnings("unchecked")
public class MarkCodeCtrl {

    /**
     * 客户端请求得到默认密码
     * @return 默认密码
     */
    @GetMapping(path = "show")
    public BaseResponse<List<ResultVo>> show() {
        try{
            List<ResultVo> list = new ArrayList<>() ;
            URL logoUrl = MarkCodeCtrl.class.getResource("/images/logo.png") ;
            String[][] marks = QrCodeConstant.Marks() ;
            for(String[] mark : marks){
                ResultVo vo = new ResultVo() ;
                vo.code = mark[0] ;
                vo.name = mark[1] ;
                BufferedImage bufferedImage = QrCodeGenerator.toBufferedImage(QrCodeGenerator.createBitMatrix(mark[0], QrCodeConstant.MarkQrCodeWidth, QrCodeConstant.MarkQrCodeHeight));
                if(logoUrl != null){
                    bufferedImage = QrCodeGenerator.addQrCodeLogo(bufferedImage, new File(logoUrl.getFile()));
                }
                byte[] codes = QrCodeGenerator.bufferedImageToByteArray(bufferedImage, "JPG");
                vo.imgBase64 = Base64.encode(codes);
                list.add(vo) ;
            }
            return BaseResponseUtils.buildSuccess(list);
        }catch (Exception e){
            log.error("生成标识类二维码时异常", e);
            return BaseResponseUtils.buildException(e.getMessage());
        }
    }
}