package com.kidgrow.common.utils;

import org.apache.commons.lang3.BooleanUtils;
import org.apache.commons.lang3.StringEscapeUtils;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 石家庄喜高科技有限责任公司 版权所有 © Copyright 2020<br>
 *
 * @Description: 字符串工具类<br>
 * @Project: <br>
 * @CreateDate: Created in 2020/2/4 13:58 <br>
 * @Author: <a href="4345453@kidgrow.com">liuke</a>
 */
public class StringUtils extends org.apache.commons.lang3.StringUtils {

    private static final char SEPARATOR = '_';
    private static final String CHARSET = "UTF-8";

    /**
     * 转换为字节数组
     *
     * @param str
     * @return
     */
    public static byte[] getBytes(String str) {
        if (str != null) {
            try {
                return str.getBytes(CHARSET);
            } catch (UnsupportedEncodingException e) {
                return null;
            }
        } else {
            return null;
        }
    }

    /**
     * 转换为字节数组
     *
     * @return
     */
    public static String toString(byte[] bytes) {
        try {
            return new String(bytes, CHARSET);
        } catch (UnsupportedEncodingException e) {
            return EMPTY;
        }
    }

    /**
     * 转换为Boolean类型
     * 'true', 'on', 'y', 't', 'yes' or '1' (case insensitive) will return true. Otherwise, false is returned.
     */
    public static Boolean toBoolean(final Object val) {
        if (val == null) {
            return false;
        }
        return BooleanUtils.toBoolean(val.toString()) || "1".equals(val.toString());
    }


    /**
     * 如果对象为空，则使用defaultVal值
     * see: ObjectUtils.toString(obj, defaultVal)
     *
     * @param obj
     * @param defaultVal
     * @return
     */
    public static String toString(final Object obj, final String defaultVal) {
        return obj == null ? defaultVal : obj.toString();
    }

    /**
     * 是否包含字符串
     *
     * @param str  验证字符串
     * @param strs 字符串组
     * @return 包含返回true
     */
    public static boolean inString(String str, String... strs) {
        if (str != null) {
            for (String s : strs) {
                if (str.equals(trim(s))) {
                    return true;
                }
            }
        }
        return false;
    }

    /**
     * 转换为Double类型
     */
    public static Double toDouble(Object val) {
        if (val == null) {
            return 0D;
        }
        try {
            return Double.valueOf(trim(val.toString()));
        } catch (Exception e) {
            return 0D;
        }
    }

    /**
     * 转换为Float类型
     */
    public static Float toFloat(Object val) {
        return toDouble(val).floatValue();
    }

    /**
     * 转换为Long类型
     */
    public static Long toLong(Object val) {
        return toDouble(val).longValue();
    }

    /**
     * 转换为Integer类型
     */
    public static Integer toInteger(Object val) {
        return toLong(val).intValue();
    }

    /**
     * 缩略字符串（不区分中英文字符）
     *
     * @param str    目标字符串
     * @param length 截取长度
     * @return
     */
    public static String ellipsis(String str, int length) {
        if (str == null) {
            return "";
        }
        try {
            StringBuilder sb = new StringBuilder();
            int currentLength = 0;
            for (char c : replaceHtml(StringEscapeUtils.unescapeHtml4(str)).toCharArray()) {
                currentLength += String.valueOf(c).getBytes("GBK").length;
                if (currentLength <= length - 3) {
                    sb.append(c);
                } else {
                    sb.append("...");
                    break;
                }
            }
            return sb.toString();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return "";
    }

    /**
     * 替换掉HTML标签方法
     */
    public static String replaceHtml(String html) {
        if (isBlank(html)) {
            return "";
        }
        String regEx = "<.+?>";
        Pattern p = Pattern.compile(regEx);
        Matcher m = p.matcher(html);
        String s = m.replaceAll("");
        return s;
    }

    /**
     * Html 转码.
     */
    public static String escapeHtml(String html) {
        return StringEscapeUtils.escapeHtml4(html);
    }

    /**
     * Html 解码.
     */
    public static String unescapeHtml(String htmlEscaped) {
        return StringEscapeUtils.unescapeHtml4(htmlEscaped);
    }

    /**
     * Xml 转码.
     */
    public static String escapeXml(String xml) {
        return StringEscapeUtils.escapeXml11(xml);
    }

    /**
     * Xml 解码.
     */
    public static String unescapeXml(String xmlEscaped) {
        return StringEscapeUtils.unescapeXml(xmlEscaped);
    }

    /**
     * url追加参数
     *
     * @param url   传入的url ex："http://exp.kunnr.com/so/index.html?kunnrId=16&userProfile=16#/app/home"
     * @param name  参数名
     * @param value 参数值
     * @return
     * @author: xg.chen
     * @date:2016年9月2日
     */
    public static String appendURIParam(String url, String name, String value) {
        url += (url.indexOf('?') == -1 ? '?' : '&');
        url += EncodeUtils.encodeUrl(name) + '=' + EncodeUtils.encodeUrl(value);
        return url;
    }

    /**
     * 组装新的URL
     *
     * @param url
     * @param map
     * @return
     */
    public static String appendURIParam(String url, Map<String, String> map) {
        Iterator<Map.Entry<String, String>> it = map.entrySet().iterator();
        while (it.hasNext()) {
            Map.Entry<String, String> entry = it.next();
            url = appendURIParam(url, entry.getKey(), entry.getValue());
        }
        return url;
    }


    /**
     * 驼峰转下划线
     * createTime > create_time
     *
     * @param param
     * @return
     */
    public static String camelToUnderline(String param) {
        if (param == null || "".equals(param.trim())) {
            return "";
        }
        int len = param.length();
        StringBuilder sb = new StringBuilder(len);
        for (int i = 0; i < len; i++) {
            char c = param.charAt(i);
            if (Character.isUpperCase(c)) {
                sb.append(SEPARATOR);
                sb.append(Character.toLowerCase(c));
            } else {
                sb.append(c);
            }
        }
        return sb.toString();
    }

    /**
     * 下划线转驼峰
     * create_time > createTime
     *
     * @param param
     * @return
     */
    public static String underlineToCamel(String param) {
        if (param == null || "".equals(param.trim())) {
            return "";
        }
        StringBuilder sb = new StringBuilder(param);
        Matcher mc = Pattern.compile(String.valueOf(SEPARATOR)).matcher(param);
        int i = 0;
        while (mc.find()) {
            int position = mc.end() - (i++);
            sb.replace(position - 1, position + 1, sb.substring(position, position + 1).toUpperCase());
        }
        return sb.toString();
    }

    /**
     * 格式化存储单位
     *
     * @param size byte 字节
     * @return
     */
    public static String formatBytes(long size) {
        // 如果字节数少于1024，则直接以B为单位，否则先除于1024，后3位因太少无意义
        int bytes = 1024;
        if (size < bytes) {
            return String.valueOf(size) + "Byte";
        } else {
            size = size / bytes;
        }
        // 如果原字节数除于1024之后，少于1024，则可以直接以KB作为单位 //因为还没有到达要使用另一个单位的时候 //接下去以此类推
        if (size < bytes) {
            return String.valueOf(size) + "K";
        } else {
            size = size / bytes;
        }
        if (size < bytes) {
            // 因为如果以MB为单位的话，要保留最后1位小数， //因此，把此数乘以100之后再取余
            size = size * 100;
            return String.valueOf((size / 100)) + "." + String.valueOf((size % 100)) + "M";
        } else { // 否则如果要以GB为单位的，先除于1024再作同样的处理
            size = size * 100 / bytes;
            return String.valueOf((size / 100)) + "." + String.valueOf((size % 100)) + "G";
        }
    }

    /**
     * 匿名手机号
     *
     * @param mobile
     * @return 152****4799
     */
    public static String formatMobile(String mobile) {

        if (isEmpty(mobile)) {
            return null;
        }
        return mobile.replaceAll("(\\d{3})\\d{4}(\\d{4})", "$1****$2");
    }

    /**
     * 匿名银行卡号
     *
     * @param bankCard
     * @return
     */
    public static String formatBankCard(String bankCard) {
        if (isEmpty(bankCard)) {
            return null;
        }
        return bankCard.replaceAll("(\\d{5})\\d{5}\\d{2}(\\d{4})", "$1****$2");
    }

    /**
     * 匿名身份证
     *
     * @param idCard
     * @return 4304*****7733
     */
    public static String formatIdCard(String idCard) {

        if (isEmpty(idCard)) {
            return null;
        }
        return idCard.replaceAll("(\\d{4})\\d{10}(\\w{4})", "$1*****$2");
    }

    /**
     * 检测是否未手机号
     *
     * @param mobile
     * @return
     */
    public static boolean matchMobile(String mobile) {
        if (mobile == null) {
            return false;
        }
        String regex = "^((13[0-9][0-9])|14[5,7][0-9]|(15[^4,\\D][0-9])|(17[0-9][0-9])|(18[0-9][0-9]))\\d{7}$";
        return Pattern.matches(regex,mobile);
    }

    /**
     * 检测Email
     *
     * @param email
     * @return
     */
    public static boolean matchEmail(String email) {
        if (email == null) {
            return false;
        }
        String regex = "\\w+@\\w+\\.[a-z]+(\\.[a-z]+)?";
        return Pattern.matches(regex, email);
    }


    /**
     * 检测域名
     * @param domain
     * @return
     */
    public static boolean matchDomain(String domain) {
        if (domain == null) {
            return false;
        }
        String regex = "^(?=^.{3,255}$)[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(\\.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+$";
        return Pattern.matches(regex, domain);
    }

    /**
     * 检测IP
     * @param ip
     * @return
     */
    public static boolean matchIp(String ip) {
        if (ip == null) {
            return false;
        }
        String regex = "^(\\d{1,2}|1\\d\\d|2[0-4]\\d|25[0-5])\\.(\\d{1,2}|1\\d\\d|2[0-4]\\d|25[0-5])\\.(\\d{1,2}|1\\d\\d|2[0-4]\\d|25[0-5])\\.(\\d{1,2}|1\\d\\d|2[0-4]\\d|25[0-5])$";
        return Pattern.matches(regex, ip);
    }

    /**
     * 检测HttpUrl
     * @param url
     * @return
     */
    public static boolean matchHttpUrl(String url) {
        if (url == null) {
            return false;
        }
        String regex = "^(?=^.{3,255}$)(http(s)?:\\/\\/)?(www\\.)?[a-zA-Z0-9][-a-zA-Z0-9]{0,62}(\\.[a-zA-Z0-9][-a-zA-Z0-9]{0,62})+(:\\d+)*(\\/\\w+\\.\\w+)*([\\?&]\\w+=\\w*)*$";
        return Pattern.matches(regex, url);
    }

    /**
     * 校验银行卡卡号
     * 校验过程：
     * 1、从卡号最后一位数字开始，逆向将奇数位(1、3、5等等)相加。
     * 2、从卡号最后一位数字开始，逆向将偶数位数字，先乘以2（如果乘积为两位数，将个位十位数字相加，即将其减去9），再求和。
     * 3、将奇数位总和加上偶数位总和，结果应该可以被10整除。
     */
    public static boolean matchBankCard(String bankCard) {
        if (bankCard == null) {
            return false;
        }
        if (bankCard.length() < 15 || bankCard.length() > 19) {
            return false;
        }
        char bit = getBankCardCheckCode(bankCard.substring(0, bankCard.length() - 1));
        if (bit == 'N') {
            return false;
        }
        return bankCard.charAt(bankCard.length() - 1) == bit;
    }

    /**
     * 从不含校验位的银行卡卡号采用 Luhm 校验算法获得校验位
     *
     * @param nonCheckCodeBankCard
     * @return
     */
    public static char getBankCardCheckCode(String nonCheckCodeBankCard) {
        if (nonCheckCodeBankCard == null || nonCheckCodeBankCard.trim().length() == 0
                || !nonCheckCodeBankCard.matches("\\d+")) {
            //如果传的不是数据返回N
            return 'N';
        }
        char[] chs = nonCheckCodeBankCard.trim().toCharArray();
        int luhmSum = 0;
        for (int i = chs.length - 1, j = 0; i >= 0; i--, j++) {
            int k = chs[i] - '0';
            if (j % 2 == 0) {
                k *= 2;
                k = k / 10 + k % 10;
            }
            luhmSum += k;
        }
        return (luhmSum % 10 == 0) ? '0' : (char) ((10 - luhmSum % 10) + '0');
    }


    /**
     * 处理非法字符
     */
    private static List<Pattern> patterns = null;

    private static List<Object[]> getXssPatternList() {
        List<Object[]> ret = new ArrayList<Object[]>();
        ret.add(new Object[]{"<(no)?script[^>]*>.*?</(no)?script>", Pattern.CASE_INSENSITIVE});
        ret.add(new Object[]{"eval\\((.*?)\\)", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL});
        ret.add(new Object[]{"expression\\((.*?)\\)", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL});
        ret.add(new Object[]{"(javascript:|vbscript:|view-source:)*", Pattern.CASE_INSENSITIVE});
        ret.add(new Object[]{"<(\"[^\"]*\"|\'[^\']*\'|[^\'\">])*>", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL});
        ret.add(new Object[]{"(window\\.location|window\\.|\\.location|document\\.cookie|document\\.|alert\\(.*?\\)|window\\.open\\()*", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL});
        ret.add(new Object[]{"<+\\s*\\w*\\s*(oncontrolselect|oncopy|oncut|ondataavailable|ondatasetchanged|ondatasetcomplete|ondblclick|ondeactivate|ondrag|ondragend|ondragenter|ondragleave|ondragover|ondragstart|ondrop|onerror=|onerroupdate|onfilterchange|onfinish|onfocus|onfocusin|onfocusout|onhelp|onkeydown|onkeypress|onkeyup|onlayoutcomplete|onload|onlosecapture|onmousedown|onmouseenter|onmouseleave|onmousemove|onmousout|onmouseover|onmouseup|onmousewheel|onmove|onmoveend|onmovestart|onabort|onactivate|onafterprint|onafterupdate|onbefore|onbeforeactivate|onbeforecopy|onbeforecut|onbeforedeactivate|onbeforeeditocus|onbeforepaste|onbeforeprint|onbeforeunload|onbeforeupdate|onblur|onbounce|oncellchange|onchange|onclick|oncontextmenu|onpaste|onpropertychange|onreadystatuschange|onreset|onresize|onresizend|onresizestart|onrowenter|onrowexit|onrowsdelete|onrowsinserted|onscroll|onselect|onselectionchange|onselectstart|onstart|onstop|onsubmit|onunload)+\\s*=+", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL});
        return ret;
    }

    private static List<Pattern> getPatterns() {

        if (patterns == null) {

            List<Pattern> list = new ArrayList<Pattern>();

            String regex = null;
            Integer flag = null;
            int arrLength = 0;

            for (Object[] arr : getXssPatternList()) {
                arrLength = arr.length;
                for (int i = 0; i < arrLength; i++) {
                    regex = (String) arr[0];
                    flag = (Integer) arr[1];
                    list.add(Pattern.compile(regex, flag));
                }
            }

            patterns = list;
        }

        return patterns;
    }

    public static String stripXss(String value) {
        if (StringUtils.isNotBlank(value)) {
            Matcher matcher = null;
            for (Pattern pattern : getPatterns()) {
                matcher = pattern.matcher(value);
                if (matcher.find()) {
                    value = matcher.replaceAll("");
                }
            }
            value = value.replaceAll("<", "&lt;").replaceAll(">", "&gt;");
        }
        return value;
    }

    /**
     * 密码强度
     *
     * @return Z = 字母 S = 数字 T = 特殊字符
     */
    public static String checkPassword(String passwordStr) {
        String regexZ = "\\d*";
        String regexS = "[a-zA-Z]+";
        String regexT = "\\W+$";
        String regexZT = "\\D*";
        String regexST = "[\\d\\W]*";
        String regexZS = "\\w*";
        String regexZST = "[\\w\\W]*";

        if (passwordStr.matches(regexZ)) {
            return "弱";
        }
        if (passwordStr.matches(regexS)) {
            return "弱";
        }
        if (passwordStr.matches(regexT)) {
            return "弱";
        }
        if (passwordStr.matches(regexZT)) {
            return "中";
        }
        if (passwordStr.matches(regexST)) {
            return "中";
        }
        if (passwordStr.matches(regexZS)) {
            return "中";
        }
        if (passwordStr.matches(regexZST)) {
            return "强";
        }
        return passwordStr;
    }


    /**
     * 将 Exception 转化为 String
     */
    public static String getExceptionToString(Throwable e) {
        if (e == null){
            return "";
        }
        StringWriter stringWriter = new StringWriter();
        e.printStackTrace(new PrintWriter(stringWriter));
        return stringWriter.toString();
    }

    public static void main(String[] args) {
        System.out.println(StringUtils.matchDomain("515608851@qq.com"));
        System.out.println(StringUtils.matchDomain("www.qq.com"));
        System.out.println(StringUtils.matchDomain("qq.com"));
        System.out.println(StringUtils.matchIp("qq.com"));
        System.out.println(StringUtils.matchIp("192.168.0.1"));
//        System.out.println("test");
//        System.out.println(checkPassword("f0a2adfdf56241bf839d714f7f74f4d1"));
     /*   String value = null;
        value = stripXss("<script language=text/javascript>alert(document.cookie);</script>");
        System.out.println("type-1: '" + value + "'");

        value = stripXss("<script src='' onerror='alert(document.cookie)'></script>");
        System.out.println("type-2: '" + value + "'");

        value = stripXss("</script>");
        System.out.println("type-3: '" + value + "'");

        value = stripXss(" eval(abc);");
        System.out.println("type-4: '" + value + "'");

        value = stripXss(" expression(abc);");
        System.out.println("type-5: '" + value + "'");

        value = stripXss("<img src='' onerror='alert(document.cookie);'></img>");
        System.out.println("type-6: '" + value + "'");

        value = stripXss("<img src='' onerror='alert(document.cookie);'/>");
        System.out.println("type-7: '" + value + "'");

        value = stripXss("<img src='' onerror='alert(document.cookie);'>");
        System.out.println("type-8: '" + value + "'");

        value = stripXss("<script language=text/javascript>alert(document.cookie);");
        System.out.println("type-9: '" + value + "'");

        value = stripXss("<script>window.location='url'");
        System.out.println("type-10: '" + value + "'");

        value = stripXss(" onload='alert(\"abc\");");
        System.out.println("type-11: '" + value + "'");

        value = stripXss("<img src=x<!--'<\"-->>");
        System.out.println("type-12: '" + value + "'");

        value = stripXss("<=img onstop=");
        System.out.println("type-13: '" + value + "'");*/

        // System.out.println(formatBytes(1222));
        //System.out.println(underlineToCamel("create_time"));
    }

}