package MethodsExcercise;

import java.util.Scanner;

public class P04PasswordValidator {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String password = scanner.nextLine();

        System.out.println(printIfIsValid(password));
        printError(printIfNeedMoreOrLessChars(password));
        printError(printIfNotLettersDigitsOnly(password));
        printError(printIfNeedDigits(password));
    }
    static void printError(String error){
        if (error != "")
            System.out.println(error);
    }
    static String printIfNeedMoreOrLessChars (String password) {
        int length = password.length();
        String letter = "";
        if ((length < 6) || (length > 10)) {
            letter = "Password must be between 6 and 10 characters";
        }
        return letter;
    }
    static String printIfNotLettersDigitsOnly (String password) {
        int length = password.length();
        boolean onlyLettersDigits = true;
        String letter2 = "";
        for (int i = 0; i < length; i++) {
            char currentChar = password.charAt(i);
            if (currentChar < 48) {
                onlyLettersDigits = false;
            } else if (currentChar > 57 && currentChar < 65) {
                onlyLettersDigits = false;
            } else if (currentChar > 90 && currentChar < 97) {
                onlyLettersDigits = false;
            } else if (currentChar > 122) {
                onlyLettersDigits = false;
            }

            if (!onlyLettersDigits) {
                letter2 = "Password must consist only of letters and digits";
            }
        }
        return letter2;
    }
    static String printIfNeedDigits (String password) {
        int length = password.length();
        int digits = 0;
        String letter3 = "";
        for (int i = 0; i < length; i++) {
            char currentChar = password.charAt(i);
            if (currentChar >= 48 && currentChar <= 57) {
                digits++;
            }
        }
        if (digits < 2) {
            letter3 = "Password must have at least 2 digits";
        }

        return letter3;
    }
    static String printIfIsValid (String password) {
        int length = password.length();
        int digits1 = 0;
        String letter4 = "";
        int onlyLettersDigits1 = 0;
        for (int i = 0; i < length; i++) {
            char currentChar = password.charAt(i);

            if (currentChar < 48) {
                onlyLettersDigits1++;
            } else if (currentChar > 57 && currentChar < 65) {
                onlyLettersDigits1++;
            } else if (currentChar > 90 && currentChar < 97) {
                onlyLettersDigits1++;
            } else if (currentChar > 122) {
                onlyLettersDigits1++;
            }

            if (currentChar >= 48 && currentChar <= 57) {
                digits1++;
            }

        }

        if (digits1 >= 2) {
            if (length >= 6 && length <= 10) {
                if (onlyLettersDigits1 == 0) {
                    letter4 = "Password is valid";
                }
            }
        }
        return letter4;
    }
}