04. Password Validator

        //•   Consists only of letters and digits; -> validate content
        if(!isValidContent) {
            System.out.println("Password must consist only of letters and digits");
        }
        //•   Have at least 2 digits. -> validate contains digits
        if(!isValidDigitsCount) {
            System.out.println("Password must have at least 2 digits");
        }

        //валидни ли са ми всички параметри
        if(isValidLength && isValidContent && isValidDigitsCount) {
            System.out.println("Password is valid");
        }

    }

    static boolean validateLength (String pass) {
        //валидна -> true
        //невалидна -> false
        return pass.length() >= 6 && pass.length() <= 10;
        /*if(pass.length() >= 6 && pass.length() <= 10) {
            return true;
        } else {
            return false;
        }*/
    }

    static boolean validateContent (String pass) {
        //букви -> код е [65;90] или [97; 120]
        //цифри -> код е [48;57]
        for (int index = 0; index <= pass.length() - 1; index++) {
            char currentSymbol = pass.charAt(index);
            boolean isSmallLetter = currentSymbol >= 97 && currentSymbol <= 122;
            boolean isCapitalLetter = currentSymbol >= 65 && currentSymbol <= 90;
            boolean isDigit = currentSymbol >= 48 && currentSymbol <= 57;
            if(!isSmallLetter && !isCapitalLetter && !isDigit) {
                return false;
            }

        }
        return true;
        //ако е обходило всички символи и не е върнало false
    }

    static boolean validateDigitsCount (String pass) {
        int countDigits = 0;
        //преброим цифрите в паролата
        for (int index = 0; index <= pass.length() - 1; index++) {
            char currentSymbol = pass.charAt(index);
            if(Character.isDigit(currentSymbol)) {
                countDigits++;
            }

        }
        return countDigits >= 2;
        /*if(countDigits >= 2) {
            return true;
        } else {
            return false;
        }*/
    }






}