package com.cym.utils;

import cn.hutool.core.util.StrUtil;

public class PwdCheckUtil {
    
     public static String[] KEYBOARD_SLOPE_ARR = {
             "!qaz", "1qaz", "@wsx","2wsx", "#edc", "3edc", "$rfv", "4rfv", "%tgb", "5tgb",
             "^yhn", "6yhn", "&ujm", "7ujm", "*ik,", "8ik,", "(ol.", "9ol.", ")p;/", "0p;/",
             "+[;.", "=[;.",  "_pl,", "-pl,", ")okm", "0okm", "(ijn", "9ijn", "*uhb", "8uhb",
             "&ygv", "7ygv", "^tfc", "6tfc", "%rdx","5rdx", "$esz","4esz"
        };
     public static String[] KEYBOARD_HORIZONTAL_ARR = {
                "01234567890-=",
                "!@#$%^&*()_+",
                "qwertyuiop[]",
                "QWERTYUIOP{}",
                "asdfghjkl;'",
                "ASDFGHJKL:",
                "zxcvbnm,./",
                "ZXCVBNM<>?",
        };
     
     public static String DEFAULT_SPECIAL_CHAR="!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
     public static String SPECIAL_CHAR = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
 
    public static void main(String[] args) {
        //System.out.print(checkSequentialSameChars("AAAAA", 5));
        //System.out.print(checkSequentialChars("Abcks", 3, true));
        //System.out.print(checkKeyboardSlantSite("Qaz", 3, false));
        //System.out.print(checkLateralKeyboardSite("qwer", 3, false));
    }
    
    /**
     * @brief   检测密码中字符长度
     * @param[in] password            密码字符串
     * @return  符合长度要求 返回true
     */
    public static boolean checkPasswordLength(String password, String minNum, String maxNum) {
        boolean flag =false;
        if (StrUtil.isBlank(maxNum))  {
            minNum = StrUtil.isBlank(minNum) == true ? "0":minNum;
             if (password.length() >= Integer.parseInt(minNum)) {
                 flag = true;
             }
        } else {
            minNum = StrUtil.isBlank(minNum) == true ? "0":minNum;
             if (password.length() >= Integer.parseInt(minNum) &&
                     password.length() <= Integer.parseInt(maxNum)) {
                 flag = true;
             }
        }
        return flag;
    }
    
    /**
     * @brief   检测密码中是否包含数字
     * @param[in] password            密码字符串
     * @return  包含数字 返回true
     */
    public static boolean checkContainDigit(String password) {
        char[] chPass = password.toCharArray();
        boolean flag = false;
        int num_count = 0;
 
        for (int i = 0; i < chPass.length; i++) {
            if (Character.isDigit(chPass[i])) {
                num_count++;
            }
        }
        if (num_count >= 1){
            flag = true;
        }
        return flag;
    }
    
    /**
     * @brief   检测密码中是否包含字母（不区分大小写）
     * @param[in] password            密码字符串
     * @return  包含字母 返回true
     */
    public static boolean checkContainCase(String password) {
        char[] chPass = password.toCharArray();
        boolean flag = false;
        int char_count = 0;
 
        for (int i = 0; i < chPass.length; i++) {
            if (Character.isLetter(chPass[i])) {
                char_count++;
            }
        }
        if (char_count >= 1) {
            flag = true;
        }
        return flag;
    }
    
    
    /**
     * @brief   检测密码中是否包含小写字母
     * @param[in] password            密码字符串
     * @return  包含小写字母 返回true
     */
    public static boolean checkContainLowerCase(String password) {
        char[] chPass = password.toCharArray();
        boolean flag = false;
        int char_count = 0;
 
        for (int i = 0; i < chPass.length; i++) {
            if (Character.isLowerCase(chPass[i])) {
                char_count++;
            }
        }
        if (char_count >= 1) {
            flag = true;
        }
        return flag;
    }
    
    
    /**
     * @brief   检测密码中是否包含大写字母
     * @param[in] password            密码字符串
     * @return  包含大写字母 返回true
     */
    public static boolean checkContainUpperCase(String password) {
        char[] chPass = password.toCharArray();
        boolean flag = false;
        int char_count = 0;
 
        for (int i = 0; i < chPass.length; i++) {
            if (Character.isUpperCase(chPass[i])) {
                char_count++;
            }
        }
        if (char_count >= 1) {
            flag = true;
        }
        return flag;
    }
    
    
    /**
     * @brief   检测密码中是否包含特殊符号
     * @param[in] password            密码字符串
     * @return  包含特殊符号 返回true
     */
    public static boolean checkContainSpecialChar(String password) {
        char[] chPass = password.toCharArray();
        boolean flag = false;
        int special_count = 0;
 
        for (int i = 0; i < chPass.length; i++) {
            if (SPECIAL_CHAR.indexOf(chPass[i]) != -1) {
                special_count++;
            }
        }
 
        if (special_count >= 1){
            flag = true;
        }
        return flag;
    }
    
    
    /**
     * @brief   键盘规则匹配器 横向连续检测
     * @param[in] password            密码字符串
     * @return  含有横向连续字符串 返回true
     */
    public static boolean checkLateralKeyboardSite(String password, int repetitions, boolean isLower) {
        String t_password = new String(password);
        //将所有输入字符转为小写
        t_password = t_password.toLowerCase();
        int n = t_password.length();
        /**
         * 键盘横向规则检测
         */
        boolean flag = false;
        int arrLen = KEYBOARD_HORIZONTAL_ARR.length;
        int limit_num = repetitions ;
 
        for(int i=0; i+limit_num<=n; i++) {
            String str = t_password.substring(i, i+limit_num);
            String distinguishStr = password.substring(i, i+limit_num);
 
            for(int j=0; j<arrLen; j++) {
                String configStr = KEYBOARD_HORIZONTAL_ARR[j];
                String revOrderStr = new StringBuffer(KEYBOARD_HORIZONTAL_ARR[j]).reverse().toString();
 
                //检测包含字母(区分大小写)
                if (isLower) {
                    //考虑 大写键盘匹配的情况
                    String UpperStr = KEYBOARD_HORIZONTAL_ARR[j].toUpperCase();
                    if((configStr.indexOf(distinguishStr) != -1) || (UpperStr.indexOf(distinguishStr) != -1)) {
                        flag = true;
                        return flag;
                    }
                    //考虑逆序输入情况下 连续输入
                    String revUpperStr = new StringBuffer(UpperStr).reverse().toString();
                    if((revOrderStr.indexOf(distinguishStr) != -1) || (revUpperStr.indexOf(distinguishStr) != -1)) {
                        flag = true;
                        return flag;
                    }
                }else {
                    if(configStr.indexOf(str) != -1) {
                        flag = true;
                        return flag;
                    }
                    //考虑逆序输入情况下 连续输入
                    if(revOrderStr.indexOf(str) != -1) {
                        flag = true;
                        return flag;
                    }
                }
            }
        }
        return flag;
    }
    
    
    
 
    /**
     * 
     * @Title: checkKeyboardSlantSite  
     * @Description: 物理键盘，斜向连接校验， 如1qaz,4rfv, !qaz,@WDC,zaq1 返回true
     * @param password    字符串
     * @param repetitions    重复次数
     * @param isLower        是否区分大小写 true:区分大小写， false:不区分大小写    
     * @return boolean    如1qaz,4rfv, !qaz,@WDC,zaq1 返回true
     * @throws
     */
    public static boolean checkKeyboardSlantSite(String password, int repetitions, boolean isLower) {
        String t_password = new String(password);
        t_password = t_password.toLowerCase();
        int n = t_password.length();
        /**
         * 键盘斜线方向规则检测
         */
        boolean flag = false;
        int arrLen = KEYBOARD_SLOPE_ARR.length;
        int limit_num = repetitions;
 
        for(int i=0; i+limit_num<=n; i++) {
            String str = t_password.substring(i, i+limit_num);
            String distinguishStr = password.substring(i, i+limit_num);
            for(int j=0; j<arrLen; j++) {
                String configStr = KEYBOARD_SLOPE_ARR[j];
                String revOrderStr = new StringBuffer(KEYBOARD_SLOPE_ARR[j]).reverse().toString();
                //检测包含字母(区分大小写)
                if (isLower) {
                    //考虑 大写键盘匹配的情况
                    String UpperStr = KEYBOARD_SLOPE_ARR[j].toUpperCase();
                    if((configStr.indexOf(distinguishStr) != -1) || (UpperStr.indexOf(distinguishStr) != -1)) {
                        flag = true;
                        return flag;
                    }
                    //考虑逆序输入情况下 连续输入
                    String revUpperStr = new StringBuffer(UpperStr).reverse().toString();
                    if((revOrderStr.indexOf(distinguishStr) != -1) || (revUpperStr.indexOf(distinguishStr) != -1)) {
                        flag = true;
                        return flag;
                    }
                }else {
                    if(configStr.indexOf(str) != -1) {
                        flag = true;
                        return flag;
                    }
                    //考虑逆序输入情况下 连续输入
                    if(revOrderStr.indexOf(str) != -1) {
                        flag = true;
                        return flag;
                    }
                }
            }
        }
        return flag;
    }
    
    /**
     * @Title: checkSequentialChars  
     * @Description: 评估a-z,z-a这样的连续字符, 
     * @param password    字符串
     * @param repetitions    连续个数
     * @param isLower        是否区分大小写 true:区分大小写， false:不区分大小写
     * @return boolean    含有a-z,z-a连续字符串 返回true
     * @throws
     */
    public static boolean checkSequentialChars(String password, int repetitions, boolean isLower) {
        String t_password = new String(password);
        boolean flag = false;
        int limit_num = repetitions;
        int normal_count = 0;
        int reversed_count = 0;
        //检测包含字母(区分大小写)
        if (!isLower) {
             t_password = t_password.toLowerCase();
        }
        int n = t_password.length();
        char[] pwdCharArr = t_password.toCharArray();
 
        for (int i=0; i+limit_num<=n; i++) {
            normal_count = 0;
            reversed_count = 0;
            for (int j=0; j<limit_num-1; j++) {
                if (pwdCharArr[i+j+1]-pwdCharArr[i+j]==1) {
                    normal_count++;
                    if(normal_count == limit_num -1){
                        return true;
                    }
                }
 
                if (pwdCharArr[i+j]-pwdCharArr[i+j+1]==1) {
                    reversed_count++;
                    if(reversed_count == limit_num -1){
                        return true;
                    }
                }
            }
        }
        return flag;
    }
 
    /**
     * 
     * @Title: checkSequentialSameChars  
     * @Description: 验证键盘上是否存在多个连续重复的字符， 如！！！！, qqqq, 1111, ====, AAAA返回true
     * @param password    字符串
     * @param repetitions    重复次数
     * @return    参数  
     * @return boolean    返回类型  
     * @throws
     */
    public static boolean checkSequentialSameChars(String password, int repetitions) {
        String t_password = new String(password);
        int n = t_password.length();
        char[] pwdCharArr = t_password.toCharArray();
        boolean flag = false;
        int limit_num = repetitions;
        int count = 0;
        for (int i=0; i+limit_num<=n; i++) {
            count=0;
            for (int j=0; j<limit_num-1; j++) {
                if(pwdCharArr[i+j] == pwdCharArr[i+j+1]) {
                    count++;
                    if (count == limit_num -1){
                        return true;
                    }
                }
            }
        }
        return flag;
    }
}