package com.vci.common.utility;

/**
 * <p>Title: </p>
 * <p>Description: generantor guid which length is 20.</p>
 */
public final class RandomGUID20 {

	public RandomGUID20()
    {
        puidVectorInt = new int[9];
    }

    public String getNewObjectID(String strToken)
    {
        String puid = "";
        String lastID = "";
        String nameID = "";
        byte nameb[] = strToken.getBytes();
        int namelength = nameb.length;
        int namei[] = new int[nameb.length];
        for(int i = 0; i < nameb.length; i++)
            namei[i] = Math.abs(nameb[i]);

        String first = puidVector[namei[0] - 52 * (namei[0] / 52)];
        if(namelength == 1)
        {
            nameID = first + first + first + first;
        } else
        {
            String second = puidVector[namei[namelength / 2] - 52 * (namei[namelength / 2] / 52)];
            String end = puidVector[namei[namelength - 2] - 52 * (namei[namelength - 2] / 52)] + puidVector[namei[namelength - 1] - 52 * (namei[namelength - 1] / 52)];
            nameID = first + second + end;
        }
        int randomnumber = (int)(Math.random() * 14000000D);
        int lastnumber = randomnumber - (randomnumber / 62) * 62;
        lastID = lastID + puidVector[lastnumber];
        randomnumber /= 62;
        lastnumber = randomnumber - (randomnumber / 62) * 62;
        lastID = lastID + puidVector[lastnumber];
        randomnumber /= 62;
        lastnumber = randomnumber - (randomnumber / 62) * 62;
        lastID = lastID + puidVector[lastnumber];
        lastnumber = randomnumber / 62;
        lastID = lastID + puidVector[lastnumber];
        long currentDate = System.currentTimeMillis();
        result = currentDate;
        for(int i = 0; result > 0L; i++)
        {
            remainder = result - (result / 62L) * 62L;
            puidVectorInt[i] = (int)remainder;
            result /= 62L;
        }

        for(int j = 0; j < 7; j++)
        {
            int n = puidVectorInt[j];
            puid = puid + puidVector[n];
        }

        puid = nameID + puid + lastID;
        return puid;
    }

    public String CountPassWord(String PassWord)
    {
        String newPassWord = "";
        if(PassWord.equals(""))
        {
            newPassWord = "aaaaaaaaaaaaaaa";
            return newPassWord;
        }
        int n = PassWord.length();
        int firstnumber[] = {
            23, 47, 34, 26, 25, 67, 98, 87, 76, 58, 
            75, 65, 35, 25, 45
        };
        char changepass[] = new char[15];
        int changepassnum[] = new int[15];
        char pass[] = new char[n];
        int passnumber[] = new int[n];
        pass = PassWord.toCharArray();
        for(int i = 0; i < n; i++)
            passnumber[i] = (pass[i] + n) - i;

        for(int j = 0; j < 15; j++)
            changepassnum[j] = passnumber[j - (j / n) * n];

        int passwordnumber[] = new int[15];
        for(int i = 0; i < 15; i++)
        {
            int middlenumber = changepassnum[i];
            middlenumber = (int)Math.pow(middlenumber - 15, 3D);
            middlenumber *= firstnumber[i];
            passwordnumber[i] = (middlenumber - (middlenumber / 94) * 94) + 33;
            if(passwordnumber[i] == 39)
                passwordnumber[i] = 40;
            changepass[i] = (char)passwordnumber[i];
            newPassWord = newPassWord + changepass[i];
        }

        return newPassWord;
    }

    private boolean isAscii(String utf)
    {
        byte temp[] = utf.getBytes();
        return temp.length == utf.length();
    }

    public String getAscii(String utf)
    {
        if(isAscii(utf))
            return utf;
        String asc = "";
        try
        {
            byte nameb[] = utf.getBytes();
            for(int i = 0; i <= nameb.length - 1; i++)
            {
                int temp = Math.abs(nameb[i]);
                asc = asc + puidVector[temp - 52 * (temp / 52)];
            }

            return asc;
        }
        catch(Exception exception)
        {
            return asc;
        }
    }

    private String puidVector[] = {
        "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", 
        "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", 
        "U", "V", "W", "X", "Y", "Z", "a", "b", "c", "d", 
        "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", 
        "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", 
        "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", 
        "8", "9"
    };
    private int puidVectorInt[];
    private long remainder;
    private long result;
}