package org.springblade.jfpt.animalheat.util;

import jodd.util.StringPool;
import org.springblade.core.tool.utils.DateUtil;
import org.springblade.core.tool.utils.FileUtil;
import org.springblade.core.tool.utils.StringUtil;
import org.springframework.beans.factory.annotation.Value;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.*;
import java.text.SimpleDateFormat;
import java.util.Date;

import static java.time.LocalDate.now;

/**
 * 二进制原始数据转换为图片工具类
 */
public class ImageUtil {
	static BASE64Encoder encoder = new sun.misc.BASE64Encoder();
	static BASE64Decoder decoder = new sun.misc.BASE64Decoder();

	private static String PRE_URL = "software/minio/data/jfpt/animalHeat/";

	/**
	 * 二进制原始数据转换为图片
	 * @param base64String
	 */
	public static String base64StringToImage(String base64String){
		try {
			byte[] bytes1 = decoder.decodeBuffer(base64String);
			ByteArrayInputStream bais = new ByteArrayInputStream(bytes1);
			BufferedImage bi1 = ImageIO.read(bais);
			File w2 = new File("D://"+PRE_URL+StringPool.SLASH+ DateUtil.today()+StringPool.SLASH+ StringUtil.randomUUID()
				+".jpg");//可以是jpg,png,gif格式
			//判断父文件夹存在与否
			File parentFile = w2.getParentFile();
			System.out.println("parentFile = " + parentFile);
			if (!parentFile.exists()){
				//如果不存在，则创建
				parentFile.mkdirs();
			}
			ImageIO.write(bi1, "jpg", w2);//不管输出什么格式图片，此处不需改动
			//返回图片路径
			return PRE_URL+ StringPool.SLASH+ DateUtil.today()+StringPool.SLASH+ StringUtil.randomUUID()
				+StringPool.DOT+ "jpg";
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}
}