package com.steerinfo.dil.util;

import org.springframework.web.multipart.MultipartFile;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.math.BigDecimal;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;

/**
 * @ author    :TXF
 * @ time      :2021/8/25 11:25
 */

public class DataChange {

    static String tempDir = "/temp/";
    /**
     * 时间转换类
     * 处理了三种类型 yyyy-MM-dd HH:mm:ss  yyyy/MM/dd HH:mm:ss  时间戳类型（带毫秒数时间戳13位）
     * @param vueDate
     * @return
     */
    public static Date dataToDate(Object vueDate){
        if(vueDate instanceof Date){
            return (Date) vueDate;
        } else if(vueDate instanceof Long){
            return  new Date((Long)vueDate);
        } else {
            try {
                String str = String.valueOf(vueDate);
                if(judgeNumber(str) && str.length() == 13){
                    return new Date(Long.parseLong(str));
                }else if(str.contains("-")){
                    if(str.length() == "yyyy-MM-dd".length()){
                        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
                        return sdf.parse(str);
                    }
                    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                    return sdf.parse(str);
                }else if(str.contains("/")){
                    if(str.length() == "yyyy/MM/dd".length()){
                        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
                        return sdf.parse(str);
                    }
                    SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                    return sdf.parse(str);
                }
            }catch (Exception e){
                System.out.println("时间解析错误！返回null");
                return null;
            }
        }
        return null;
    }

    /**
     * 判断是否纯数字（不带小数点）仅供上面方法使用
     * @param str
     * @return
     */
    public static boolean judgeNumber(String str){
        Pattern pattern = Pattern.compile("^[-\\+]?[\\d]*$");
        return pattern.matcher(str).matches();
    }


    /**
     * 数据转换成BigDecimal
     * @param data
     * @return
     */
    public static BigDecimal dataToBigDecimal(Object data){
        if (data != null){
            if(data instanceof BigDecimal){
                return (BigDecimal) data;
            }else{
                String str = String.valueOf(data);
                BigDecimal decimal = BigDecimal.ZERO;
                if(!"".equals(str)){
                    try {
                        decimal = new BigDecimal(str);
                    } catch (Exception e) {
                        System.out.println(data + "：数据解析失败！返回0");
                        return BigDecimal.ZERO;
                    }
                }
                return decimal;
            }
        }
        return BigDecimal.ZERO;
    }

    /**
     * 将时间截取到天  为字符串类型 用于前端只显示到天
     * @param date 传入时间
     * @return
     */
    public static Date dataToDayDate(Object date) {
        try{
            Date origin = dataToDate(date);
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
            if(origin == null) {
                return null;
            }
            return sdf.parse(sdf.format(origin));
        }catch (Exception e){
            e.printStackTrace();
            return null;
        }
    }

    /**
     * 查询日期是否过期,过期则返回 true
     * @param day 传入时间
     * @return
     */
    public static boolean isExpireDay(Object day) {
        try{
            if(dataToDayDate(day).getTime() < dataToDayDate(new Date()).getTime()){
                return true;
            }else{
                return false;
            }
        }catch (Exception e){
            e.printStackTrace();
            return true;
        }
    }


    /**
     * 遍历列表使只显示两位小数
     * @param list
     * @param key
     */
    public static void dataTo2Number(List<Map<String, Object>> list, String ...key){
        DecimalFormat df =  new DecimalFormat("0.00");
        //遍历List
        for (Map<String, Object> map : list) {
            for (String s : key) {
                //修改数据为带两位小数
                try {
                    BigDecimal oldDate = dataToBigDecimal(map.get(s));
                    String resultDeduction = df.format(oldDate.doubleValue());
                    map.put(s, resultDeduction);
                } catch (Exception e) {
                    System.out.println("原料扣减量数据有误");
                }
            }
        }
    }

    /**
     * 计算相差时间  日时分秒
     * @param
     * @return
     */
    public static String calculatedTimeDifference(Date time1, Date time2){
        long t1 = time1.getTime();
        long t2 = time2.getTime();
        if(t1 > t2){
            long temp = t1;
            t1 = t2;
            t2 = temp;
        }
        long between = t2 - t1;
        long day = between / (24 * 60 * 60 * 1000);
        long hour = (between / (60 * 60 * 1000) - day * 24);
        long min = ((between / (60 * 1000)) - day * 24 * 60 - hour * 60);
        long s = (between / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
        return day + "天"+  + hour+ "时" + min + "分"  + s + "秒";
    }

    /**
     * 生成带时间的八位数顺序号
     * @param start 前缀
     * @param id 顺序号  主键Id
     * @return
     */
    public static String generateEightDigitsNumber(String start, Integer id){
        id = id % 100000000; //保证不超过
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        StringBuilder sb = new StringBuilder(start + sdf.format(new Date()));
        sb.append(
                id < 10
                        ? "0000000" + id : id < 100
                        ? "000000" + id : id < 1000
                        ? "00000" + id : id < 10000
                        ? "0000" + id : id < 100000
                        ? "000" + id : id < 1000000
                        ? "00" + id : id < 10000000
                        ? "0" + id : id.toString()
        );
        return sb.toString();
    }

    /**
     * 根据时间段查询数据 支持只选择单个时间
     * @Author TXF
     * @Date 2022/1/10 23:21
     * @param startTime
     * @param endTime
     * @param map
     * @param sdf
     * @return
     **/
    public static void queryDataByDate(String startTime, String endTime, Map<String, Object> map, SimpleDateFormat sdf){
        if (startTime != null && !"null".equals(startTime) && endTime != null && !"null".equals(endTime)) {
            map.put("startDate", sdf.format(new Date(Long.parseLong(startTime))));
            map.put("endDate", sdf.format(new Date(Long.parseLong(endTime) + 86400000)));
        } else if (startTime != null && !"null".equals(startTime)) {
            map.put("oneDate", sdf.format(new Date(Long.parseLong(startTime))));
        } else if (endTime != null && !"null".equals(endTime)) {
            map.put("oneDate", sdf.format(new Date(Long.parseLong(endTime))));
        } else {
            map.put("oneDate", sdf.format(new Date()));
        }
    }

    /**
     * 只支持两个时间查询
     * @Author TXF
     * @Date 2022/1/15 9:08
     * @param startTime
     * @param endTime
     * @param sdf
     * @return
     **/
    public static void queryDataByDateTime(String startTime, String endTime, Map<String, Object> map,SimpleDateFormat sdf){
        SimpleDateFormat sdfDate = new SimpleDateFormat("yyyy-MM-dd");
        if (startTime != null && !"null".equals(startTime) && endTime != null && !"null".equals(endTime)) {
            map.put("startDate", sdf.format(new Date(Long.parseLong(startTime))));
            map.put("endDate", sdf.format(new Date(Long.parseLong(endTime))));
        }
        //如果开始时间和结束时间有且只有一个为空 则只查那天的数据
        else if((startTime != null && !"null".equals(startTime)) || (endTime != null && !"null".equals(endTime))){
            if(startTime != null && !"null".equals(startTime)){
                queryDataByTwoDateSon(map, startTime, sdfDate);
            }
            if(endTime != null && !"null".equals(endTime)){
                queryDataByTwoDateSon(map, endTime, sdfDate);
            }
        }else {
            //如果两者时间都为空，则查询当天数据
            String nowDate = sdfDate.format(new Date());
            map.put("oneDate", nowDate + " 00:00:00");
        }
    }

    /**
     * 上面方法的儿子方法 如果只传入了一个时间 则查询那天的数据
     * @Author TXF
     * @Date 2022/1/17 16:17
     * @param map
     * @param time
     * @param sdfDate
     * @return
     **/
    private static void queryDataByTwoDateSon(Map<String, Object> map, String time, SimpleDateFormat sdfDate){
        Date date1 = new Date(Long.parseLong(time));
        Date date2 = new Date(Long.parseLong(time) + 86400000);
        String dayStartTime = sdfDate.format(date1);
        String dayEndTime = sdfDate.format(date2);
        map.put("startDate", dayStartTime + " 00:00:00");
        map.put("endDate", dayEndTime + " 00:00:00");
    }

    public static void getMonthStartEnd(Map<String,Object> map) {
        //
        Calendar cale = Calendar.getInstance();

        // 获取当月第一天和最后一天
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        String firstDay, lastDay;
        // 获取前月的第一天
        cale.add(Calendar.MONTH, 0);
        cale.set(Calendar.DAY_OF_MONTH, 1);
        firstDay = format.format(cale.getTime());
        // 获取前月的最后一天
        cale = Calendar.getInstance();
        cale.add(Calendar.MONTH, 1);
        cale.set(Calendar.DAY_OF_MONTH, 0);
        lastDay = format.format(cale.getTime());
        System.out.println("本月第一天和最后一天分别是 ： " + firstDay + " and " + lastDay);
        map.put("firstDay",firstDay);
        map.put("lastDay",lastDay);

    }

    public static File paintWater(MultipartFile file, String text,int xOffset ,int yOffset)  throws Exception{
        //将文件对象转化为图片对象
        Image srcImg = ImageIO.read(file.getInputStream());
        //获取图片的宽
        int srcImgWidth = srcImg.getWidth(null);
        //获取图片的高
        int srcImgHeight = srcImg.getHeight(null);
        // 加水印
        BufferedImage bufImg = new BufferedImage(srcImgWidth, srcImgHeight, BufferedImage.TYPE_INT_RGB);
        //创建画笔
        Graphics2D graphics = bufImg.createGraphics();
        //srcImg 为上面获取到的原始图片的图片对象
        graphics.drawImage(srcImg, 0, 0, srcImgWidth, srcImgHeight, null);
        //根据图片的背景设置水印颜色
        graphics.setColor(new Color(255,0,0,255));
        //设置字体  画笔字体样式为微软雅黑，加粗，文字大小为60pt
        graphics.setFont(new Font("微软雅黑", Font.BOLD, 40));
        //设置水印的坐标
        int x = 0;
        if(xOffset >= 0){
            x = xOffset;
        }else{
            x = srcImgWidth + (xOffset % srcImgWidth);
        }
        int y = 0;
        if(yOffset >= 0){
            y = yOffset;
        }else {
            y = srcImgHeight + (yOffset % srcImgWidth);
        }
        //自定义水印 第一个参数是水印内容，第二个参数是x轴坐标，第三个参数是y轴坐标
        graphics.drawString(text, x, y);
        //时间水印
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        graphics.drawString(df.format(new Date()), x, y + 50);
        graphics.dispose();
        //待存储的地址
        File fileDir = new File(tempDir);
        if(!fileDir.exists() || !fileDir.isDirectory()){
            fileDir.mkdir();
        }
        String tarImgPath = tempDir + file.getOriginalFilename();
        // 输出图片
        FileOutputStream outImgStream = new FileOutputStream(tarImgPath);
        ImageIO.write(bufImg, "png", outImgStream);
        outImgStream.flush();
        outImgStream.close();
        //返回目标图片
        File targetFile = new File(tarImgPath);
//        targetFile.delete();//临时文件返回后，保存在其他地方然后及时删除
        return targetFile;
    }
}