package com.xunao.effectdemo.utils;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import java.util.regex.Pattern;

public class StringUtil {

    private final static String FSpliter = "##";
    private final static String SSpliter = "||";

    private final static Pattern PHONE = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$");

    private final static Pattern emailer = Pattern
            .compile("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");

    private final static Pattern IMG_URL = Pattern
            .compile(".*?(gif|jpeg|png|jpg|bmp)");

    private final static Pattern URL = Pattern
            .compile("^(https|http)://.*?$(net|com|.com.cn|org|me|)");

    private final static ThreadLocal<SimpleDateFormat> dateFormater = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        }
    };

    private final static ThreadLocal<SimpleDateFormat> dateFormater2 = new ThreadLocal<SimpleDateFormat>() {
        @Override
        protected SimpleDateFormat initialValue() {
            return new SimpleDateFormat("yyyy-MM-dd");
        }
    };

    /**
     * 将字符串转位日期类型
     *
     * @param sdate
     * @return
     */
    public static Date toDate(String sdate) {
        return toDate(sdate, dateFormater.get());
    }

    public static Date toDate(String sdate, SimpleDateFormat dateFormater) {
        try {
            return dateFormater.parse(sdate);
        } catch (ParseException e) {
            return null;
        }
    }

    public static String getDateString(Date date) {
        return dateFormater.get().format(date);
    }

    /**
     * 以友好的方式显示时间
     *
     * @param sdate
     * @return
     */
    public static String friendly_time(String sdate) {
        Date time = null;

        if (TimeZoneUtil.isInEasternEightZones())
            time = toDate(sdate);
        else
            time = TimeZoneUtil.transformTime(toDate(sdate),
                    TimeZone.getTimeZone("GMT+08"), TimeZone.getDefault());

        if (time == null) {
            return "Unknown";
        }
        String ftime = "";
        Calendar cal = Calendar.getInstance();

        // 判断是否是同一天
        String curDate = dateFormater2.get().format(cal.getTime());
        String paramDate = dateFormater2.get().format(time);
        if (curDate.equals(paramDate)) {
            int hour = (int) ((cal.getTimeInMillis() - time.getTime()) / 3600000);
            if (hour == 0)
                ftime = Math.max(
                        (cal.getTimeInMillis() - time.getTime()) / 60000, 1)
                        + "分钟前";
            else
                ftime = hour + "小时前";
            return ftime;
        }

        long lt = time.getTime() / 86400000;
        long ct = cal.getTimeInMillis() / 86400000;
        int days = (int) (ct - lt);
        if (days == 0) {
            int hour = (int) ((cal.getTimeInMillis() - time.getTime()) / 3600000);
            if (hour == 0)
                ftime = Math.max(
                        (cal.getTimeInMillis() - time.getTime()) / 60000, 1)
                        + "分钟前";
            else
                ftime = hour + "小时前";
        } else if (days == 1) {
            ftime = "昨天";
        } else if (days == 2) {
            ftime = "前天 ";
        } else if (days > 2 && days < 31) {
            ftime = days + "天前";
        } else if (days >= 31 && days <= 2 * 31) {
            ftime = "一个月前";
        } else if (days > 2 * 31 && days <= 3 * 31) {
            ftime = "2个月前";
        } else if (days > 3 * 31 && days <= 4 * 31) {
            ftime = "3个月前";
        } else {
            ftime = dateFormater2.get().format(time);
        }
        return ftime;
    }

    public static String friendly_time2(String sdate) {
        String res = "";
        if (isEmpty(sdate))
            return "";

        String[] weekDays = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};
        String currentData = StringUtil.getDataTime("MM-dd");
        int currentDay = toInt(currentData.substring(3));
        int currentMoth = toInt(currentData.substring(0, 2));

        int sMoth = toInt(sdate.substring(5, 7));
        int sDay = toInt(sdate.substring(8, 10));
        int sYear = toInt(sdate.substring(0, 4));
        Date dt = new Date(sYear, sMoth - 1, sDay - 1);

        if (sDay == currentDay && sMoth == currentMoth) {
            res = "今天 / " + weekDays[getWeekOfDate(new Date())];
        } else if (sDay == currentDay + 1 && sMoth == currentMoth) {
            res = "昨天 / " + weekDays[(getWeekOfDate(new Date()) + 6) % 7];
        } else {
            if (sMoth < 10) {
                res = "0";
            }
            res += sMoth + "/";
            if (sDay < 10) {
                res += "0";
            }
            res += sDay + " / " + weekDays[getWeekOfDate(dt)];
        }

        return res;
    }

    /**
     * 获取当前日期是星期几<br>
     *
     * @param dt
     * @return 当前日期是星期几
     */
    public static int getWeekOfDate(Date dt) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(dt);
        int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
        if (w < 0)
            w = 0;
        return w;
    }

    /**
     * 判断给定字符串时间是否为今日
     *
     * @param sdate
     * @return boolean
     */
    public static boolean isToday(String sdate) {
        boolean b = false;
        Date time = toDate(sdate);
        Date today = new Date();
        if (time != null) {
            String nowDate = dateFormater2.get().format(today);
            String timeDate = dateFormater2.get().format(time);
            if (nowDate.equals(timeDate)) {
                b = true;
            }
        }
        return b;
    }

    /**
     * 返回long类型的今天的日期
     *
     * @return
     */
    public static long getToday() {
        Calendar cal = Calendar.getInstance();
        String curDate = dateFormater2.get().format(cal.getTime());
        curDate = curDate.replace("-", "");
        return Long.parseLong(curDate);
    }

    public static String getCurTimeStr() {
        Calendar cal = Calendar.getInstance();
        String curDate = dateFormater.get().format(cal.getTime());
        return curDate;
    }

    /***
     * 计算两个时间差，返回的是的秒s
     *
     * @param dete1
     * @param date2
     * @return
     * @author 火蚁 2015-2-9 下午4:50:06
     */
    public static long calDateDifferent(String dete1, String date2) {

        long diff = 0;

        Date d1 = null;
        Date d2 = null;

        try {
            d1 = dateFormater.get().parse(dete1);
            d2 = dateFormater.get().parse(date2);

            // 毫秒ms
            diff = d2.getTime() - d1.getTime();

        } catch (Exception e) {
            e.printStackTrace();
        }

        return diff / 1000;
    }

    public static String getChineseForNum(int num) {
        String chineseNum = "";
        switch (num) {
            case 0:
                chineseNum = "零";
                break;
            case 1:
                chineseNum = "一";
                break;
            case 2:
                chineseNum = "二";
                break;
            case 3:
                chineseNum = "三";
                break;
            case 4:
                chineseNum = "四";
                break;
            case 5:
                chineseNum = "五";
                break;
            case 6:
                chineseNum = "六";
                break;
            case 7:
                chineseNum = "七";
                break;
            case 8:
                chineseNum = "八";
                break;
            case 9:
                chineseNum = "九";
                break;
            case 10:
                chineseNum = "十";
                break;
        }
        return chineseNum;
    }

    /**
     * 判断给定字符串是否空白串。 空白串是指由空格、制表符、回车符、换行符组成的字符串 若输入字符串为null或空字符串，返回true
     *
     * @param input
     * @return boolean
     */
    public static boolean isEmpty(String input) {
        if (input == null || "".equals(input))
            return true;

        for (int i = 0; i < input.length(); i++) {
            char c = input.charAt(i);
            if (c != ' ' && c != '\t' && c != '\r' && c != '\n') {
                return false;
            }
        }
        return true;
    }

    public static boolean isPhone(String phone) {
        if (phone == null || phone.trim().length() == 0) {
            return false;
        }
        return PHONE.matcher(phone).matches();
    }

    /**
     * 判断是不是一个合法的电子邮件地址
     *
     * @param email
     * @return
     */
    public static boolean isEmail(String email) {
        if (email == null || email.trim().length() == 0)
            return false;
        return emailer.matcher(email).matches();
    }

    /**
     * 判断一个url是否为图片url
     *
     * @param url
     * @return
     */
    public static boolean isImgUrl(String url) {
        if (url == null || url.trim().length() == 0)
            return false;
        return IMG_URL.matcher(url).matches();
    }

    /**
     * 判断是否为一个合法的url地址
     *
     * @param str
     * @return
     */
    public static boolean isUrl(String str) {
        if (str == null || str.trim().length() == 0)
            return false;
        return URL.matcher(str).matches();
    }

    /**
     * 字符串转整数
     *
     * @param str
     * @param defValue
     * @return
     */
    public static int toInt(String str, int defValue) {
        try {
            return Integer.parseInt(str);
        } catch (Exception e) {
        }
        return defValue;
    }

    /**
     * 对象转整数
     *
     * @param obj
     * @return 转换异常返回 0
     */
    public static int toInt(Object obj) {
        if (obj == null)
            return 0;
        return toInt(obj.toString(), 0);
    }

    /**
     * 对象转整数
     *
     * @param obj
     * @return 转换异常返回 0
     */
    public static long toLong(String obj) {
        try {
            return Long.parseLong(obj);
        } catch (Exception e) {
        }
        return 0;
    }

    /**
     * 字符串转布尔值
     *
     * @param b
     * @return 转换异常返回 false
     */
    public static boolean toBool(String b) {
        try {
            return Boolean.parseBoolean(b);
        } catch (Exception e) {
        }
        return false;
    }

    public static String getString(String s) {
        return s == null ? "" : s;
    }

    /**
     * 将一个InputStream流转换成字符串
     *
     * @param is
     * @return
     */
    public static String toConvertString(InputStream is) {
        StringBuffer res = new StringBuffer();
        InputStreamReader isr = new InputStreamReader(is);
        BufferedReader read = new BufferedReader(isr);
        try {
            String line;
            line = read.readLine();
            while (line != null) {
                res.append(line + "<br>");
                line = read.readLine();
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (null != isr) {
                    isr.close();
                    isr.close();
                }
                if (null != read) {
                    read.close();
                    read = null;
                }
                if (null != is) {
                    is.close();
                    is = null;
                }
            } catch (IOException e) {
            }
        }
        return res.toString();
    }

    /***
     * 截取字符串
     *
     * @param start 从那里开始，0算起
     * @param num   截取多少个
     * @param str   截取的字符串
     * @return
     */
    public static String getSubString(int start, int num, String str) {
        if (str == null) {
            return "";
        }
        int leng = str.length();
        if (start < 0) {
            start = 0;
        }
        if (start > leng) {
            start = leng;
        }
        if (num < 0) {
            num = 1;
        }
        int end = start + num;
        if (end > leng) {
            end = leng;
        }
        return str.substring(start, end);
    }

    /**
     * 获取当前时间为每年第几周
     *
     * @return
     */
    public static int getWeekOfYear() {
        return getWeekOfYear(new Date());
    }

    /**
     * 获取当前时间为每年第几周
     *
     * @param date
     * @return
     */
    public static int getWeekOfYear(Date date) {
        Calendar c = Calendar.getInstance();
        c.setFirstDayOfWeek(Calendar.MONDAY);
        c.setTime(date);
        int week = c.get(Calendar.WEEK_OF_YEAR) - 1;
        week = week == 0 ? 52 : week;
        return week > 0 ? week : 1;
    }

    public static int[] getCurrentDate() {
        int[] dateBundle = new int[3];
        String[] temp = getDataTime("yyyy-MM-dd").split("-");

        for (int i = 0; i < 3; i++) {
            try {
                dateBundle[i] = Integer.parseInt(temp[i]);
            } catch (Exception e) {
                dateBundle[i] = 0;
            }
        }
        return dateBundle;
    }

    /**
     * 返回当前系统时间
     */
    public static String getDataTime(String format) {
        SimpleDateFormat df = new SimpleDateFormat(format);
        return df.format(new Date());
    }

    /**
     * 将一个InputStream流转换成字符串，UTF-8
     */
    public static String inputStream2String(InputStream is, String code) throws IOException {

        BufferedReader in = new BufferedReader(new InputStreamReader(is, code));

        int i = -1;
        char[] b = new char[1000];
        StringBuffer sb = new StringBuffer();

        while ((i = in.read(b)) != -1) {
            sb.append(new String(b, 0, i));
        }
        String content = sb.toString();
        return content;
    }

    /**
     * 将一个替换一个字符串中的某几个字符
     */
    public static String replaceStringForPosition(String res, String str, int start, int end) {
        String head = res.substring(0, start - 1);
        String body = str;
        String tail = res.substring(end - 1);
        return head + body + tail;
    }

    public static String getWanMoney(double money) {
        double tempDouble = money / 10000;
        if (tempDouble < 1) {
            return String.valueOf((int) money);
        } else {
            NumberFormat nf = new DecimalFormat("#.#");
            String strMoney = nf.format(tempDouble) + "万";
            return strMoney;
        }
    }

    public static String getFormatMoney(double money) {
        NumberFormat nf = new DecimalFormat(",###");
        String strMoney = nf.format(money);
        return strMoney;
    }

    public static String getFormatMoneyOnePoint(double money) {
        DecimalFormat nf = new DecimalFormat("#.#");
        String strMoney = nf.format(new BigDecimal(money));
        String[] strsTmp = strMoney.split("\\.");
        if (strsTmp.length < 2) {
            strMoney = strMoney + ".0";
        } else {
            if (strsTmp[1].length() > 1) {
                strsTmp[1] = strsTmp[1].substring(0, 1);
            }
            strMoney = strsTmp[0] + "." + strsTmp[1];
        }

        return strMoney;
    }

    public static String getFormatMoneyTwoPoint(double money) {
        DecimalFormat nf = new DecimalFormat("#.##");
        String strMoney = nf.format(new BigDecimal(money));

        String[] strsTmp = strMoney.split("\\.");
        if (strsTmp.length < 2) {
            strMoney = strMoney + ".00";
        } else {
            if (strsTmp[1].length() == 1) {
                strsTmp[1] = strsTmp[1] + "0";
            }
            if (strsTmp[1].length() > 2) {
                strsTmp[1] = strsTmp[1].substring(0, 2);
            }
            strMoney = strsTmp[0] + "." + strsTmp[1];
        }

        return strMoney;
    }

    public static String getFormatMoneyTwoPointFen(long money) {
        String strMoney = String.valueOf(money);
        strMoney = strMoney.substring(0, strMoney.length() - 2) + "." + strMoney.substring(strMoney.length() - 2);
        return strMoney;
    }

    public static String[] splitStringsWithSpace(String source) {
        if (StringUtil.isEmpty(source)) {
            return null;
        }

        source = source + " .";
        String tempSource = source.replace("[", "").replace("]", "");
        String[] tempStrs = tempSource.split(" ");
        String[] strs = new String[tempStrs.length - 1];
        for (int i = 0; i < strs.length; i++) {
            strs[i] = tempStrs[i];
        }
        return strs;
    }

    public static int[] spliteIntWithSpace(String source) {
        if (StringUtil.isEmpty(source)) {
            return null;
        }

        String[] strings = splitStringsWithSpace(source);
        int[] ints = new int[strings.length];
        for (int i = 0; i < strings.length; i++) {
            ints[i] = Integer.valueOf(strings[i]);
        }
        return ints;
    }

    /**
     * 定义size位整数，如果位数达不到，前面用0补齐
     * 如果超出位数，用规定位数最大数补齐
     * */
    public static String formatSizedNum(int num, int size) {
        String strNum = String.valueOf(num);
        if (strNum.length() < size) {
            while(strNum.length() < size) {
                strNum = "0" + strNum;
            }
        } else if (strNum.length() > size) {
            strNum = "";
            while(strNum.length() < size) {
                strNum += "9";
            }
        }
        return strNum;
    }

    /**
     * 用##分割
     */
    public static String[] spliteStringWithFS(String source) {
        if (StringUtil.isEmpty(source)) {
            return null;
        }

        String[] strs = source.split(FSpliter);
        return strs;
    }

    /**
     * 用||分割
     */
    public static String[] spliteStringWithSS(String source) {
        if (StringUtil.isEmpty(source)) {
            return null;
        }

        String[] strs = source.split(SSpliter);
        return strs;
    }

    public static boolean isSame(String source, String target) {
        if (source == null && target != null) {
            return false;
        } else if (source != null && target == null) {
            return false;
        } else if (source == target) {
            return true;
        } else if (source.equals(target)) {
            return true;
        } else {
            return false;
        }
    }

    public static String encryptionPhone(String phone) {
        StringBuilder builder = new StringBuilder(phone);
        if (phone.length() >= 11) {
            for (int i = 3; i < phone.length() - 4; i++) {
                builder.setCharAt(i, '*');
            }
        } else {
            for (int i = 2; i < phone.length() - 2; i++) {
                builder.setCharAt(i, '*');
            }
        }
        return builder.toString();
    }

    /**
     * 将字符串中的Unicode编码转换成UTF-8
     * */
    public static String decodeUnicode(String theString) {
        char aChar;
        int len = theString.length();
        StringBuffer outBuffer = new StringBuffer(len);
        for (int x = 0; x < len;) {
            aChar = theString.charAt(x++);
            if (aChar == '\\') {
                aChar = theString.charAt(x++);
                if (aChar == 'u') {
                    // Read the xxxx
                    int value = 0;
                    for (int i = 0; i < 4; i++) {
                        aChar = theString.charAt(x++);
                        switch (aChar) {
                            case '0':
                            case '1':
                            case '2':
                            case '3':
                            case '4':
                            case '5':
                            case '6':
                            case '7':
                            case '8':
                            case '9':
                                value = (value << 4) + aChar - '0';
                                break;
                            case 'a':
                            case 'b':
                            case 'c':
                            case 'd':
                            case 'e':
                            case 'f':
                                value = (value << 4) + 10 + aChar - 'a';
                                break;
                            case 'A':
                            case 'B':
                            case 'C':
                            case 'D':
                            case 'E':
                            case 'F':
                                value = (value << 4) + 10 + aChar - 'A';
                                break;
                            default:
                                throw new IllegalArgumentException(
                                        "Malformed   \\uxxxx   encoding.");
                        }

                    }
                    outBuffer.append((char) value);
                } else {
                    if (aChar == 't')
                        aChar = '\t';
                    else if (aChar == 'r')
                        aChar = '\r';
                    else if (aChar == 'n')
                        aChar = '\n';
                    else if (aChar == 'f')
                        aChar = '\f';
                    outBuffer.append(aChar);
                }
            } else
                outBuffer.append(aChar);
        }
        return outBuffer.toString();
    }
}