package com.doumee.core.constants;

import org.apache.commons.codec.binary.Hex;
import org.apache.commons.lang3.StringUtils;

import javax.servlet.http.HttpServletRequest;
import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Constants {

  public static final String DEFAULT_PWD = "DEFAULT_PWD";
  public static final String TRUE = "t";
  public static final String FALSE = "f";
  public static final String TOKEN ="TOKEN" ;
  public static String REDIS_DEBUG_STR="test_";

  /**
   * 数据权限范围：0只看自己；1只看自己所在校区；2看全部校区；3看指定校区（多选）
   */
  public interface PermissionType{
    int self =0;
    int self_campus =1;
    int all =2;
    int partful = 3;
  }

  public interface RedisKeys {
        public static final String submission_period_key = "sp_";
    }


  public static final String ACCESS_ID="ACCESS_ID";

  public static final String BUCKETNAME = "BUCKETNAME";

  public static final String OSS = "OSS";

  public static final String ACCESS_KEY = "ACCESS_KEY";

  public static final String SCRATCH_REDIRECT = "SCRATCH_REDIRECT";

  public static final String ENDPOINT = "ENDPOINT";

  public static final String TESTCASE_UPLOAD_PATH = "TESTCASE_UPLOAD_PATH";

  public static final String RESOURCE_PATH = "RESOURCE_PATH";
  public static final String UPLOAD_FILE = "UPLOAD_FILE";
  public static final String AVATAR_FILE = "AVATAR_FILE";

  public static final String FILES_DIR = "FILES_DIR";
  public static final String SCRATCH_REDIRECT_URL = "SCRATCH_REDIRECT_URL";
  public static final Integer ZERO = 0 ;
  public static final Integer ONE = 1 ;
    public static final Integer TWO = 2 ;

  public static int formatIntegerNum(Integer num){
   if(num == null){
    return 0;
   }
   return num;
  }

  public interface  UserActionsType{
      String cancelPrePay="CANCEL_PRE_PAY";

      //订单结算订单
      String  close="CLOSE";
      String  forceRefund="FORCE_REFUND";
      String login="LOGIN";
      String pay="PAY";
      String preForceRefund="PRE_FORCE_REFUND";
      String prePay="PRE_PAY";
      String preRefund="PRE_REFUND";
      String refund="REFUND";
      String register="REGISTER";
      String rent="RENT";
  }
  public static BigDecimal formatDecimalNum(BigDecimal num){
   if(num == null){
    return new BigDecimal(0);
   }
   return num;
  }
  public static int compareBigdecimal(BigDecimal num,BigDecimal num2){
   if(num == null){
    num =new BigDecimal(0);
   }
   if(num2 == null){
    num2 =new BigDecimal(0);
   }
   if (num.compareTo(num2) == 1) {
    return 1;
   } else if (num.compareTo(num2)== -1) {
    return -1;
   }
   return 0;
  }

  public static long formatLongNum(Long num){
   if(num == null){
    return 0;
   }
   return num;
  }
  public static String formatImgPath(String avatar, String imgPath) {
   if(StringUtils.isBlank(avatar)){
    return null;
   }
   return imgPath+avatar;
  }
    public static String getIpAddr(HttpServletRequest request) {
        String ipAddress = request.getHeader("x-forwarded-for");
        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("Proxy-Client-IP");
        }
        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getRemoteAddr();
            String localIp = "127.0.0.1";
            String localIpv6 = "0:0:0:0:0:0:0:1";
            if (ipAddress.equals(localIp) || ipAddress.equals(localIpv6)) {
                // 根据网卡取本机配置的IP
                InetAddress inet = null;
                try {
                    inet = InetAddress.getLocalHost();
                    ipAddress = inet.getHostAddress();
                } catch (UnknownHostException e) {
                    e.printStackTrace();
                }
            }
        }
        // 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
        String ipSeparate = ",";
        int ipLength = 15;
        if (ipAddress != null && ipAddress.length() > ipLength) {
            if (ipAddress.indexOf(ipSeparate) > 0) {
                ipAddress = ipAddress.substring(0, ipAddress.indexOf(ipSeparate));
            }
        }
        return ipAddress;
    }

    public static String getSHA256Str(String str) {
        MessageDigest messageDigest;
        String encdeStr = "";
        try {
            messageDigest = MessageDigest.getInstance("SHA-256");
            byte[] hash = messageDigest.digest(str.getBytes("UTF-8"));
            encdeStr = Hex.encodeHexString(hash);
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return encdeStr;
    }
    public static String trimEndSpaceStr(String outPut){
        String newOutPut = "";
        if(StringUtils.isNotBlank(outPut)){
            String[] ostrs = outPut.split("\n");
            for(String str : ostrs){
                String  text = str.replace("\n","").replaceAll("\\s+$", "");
                newOutPut += text+"\n";

            }
            if(newOutPut.endsWith("\n")){
                newOutPut = newOutPut.substring(0,newOutPut.length()-1);
            }
        }
        return newOutPut;
    }

    public static String delHTMLTag(String htmlStr) {
        if (StringUtils.isBlank(htmlStr)) {
            return "";
        }
        String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>"; // 定义script的正则表达式
        String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; // 定义style的正则表达式
        String regEx_html = "<[^>]+>"; // 定义HTML标签的正则表达式

        Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
        Matcher m_script = p_script.matcher(htmlStr);
        htmlStr = m_script.replaceAll(""); // 过滤script标签

        Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
        Matcher m_style = p_style.matcher(htmlStr);
        htmlStr = m_style.replaceAll(""); // 过滤style标签

        Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
        Matcher m_html = p_html.matcher(htmlStr);
        htmlStr = m_html.replaceAll(""); // 过滤html标签

        htmlStr = htmlStr.replace("&nbsp;&nbsp;","&nbsp;"); // 过滤空格标签
        htmlStr = htmlStr.replace("&nbsp;"," "); // 过滤空格标签

        return htmlStr.trim(); // 返回文本字符串
    }


    public static List<String> checkUUID(String checkValue){
            String [] str = checkValue.split(",");
            List<String> strList = new ArrayList<>();
            for (String s:str) {
                try{
                    String uuid = UUID.fromString(s).toString();
                    strList.add(uuid);
                    //do something
                } catch (IllegalArgumentException exception){
                    continue;
                }
            }
            return strList;
    }


}