Password NEA P1 26/02/2020

package year_9_work;
import java.util.Scanner;
import java.util.stream.Collectors;
import java.lang.Object;
import java.util.ArrayList;
import java.util.Arrays;
public class Class_PassCheck {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scan = new Scanner(System.in);
		while (true) {
			System.out.println
			       ("1. Check Password\r\n" +
					"2. Generate Password\r\n" +
					"3. Quit.\r\n" +
					"Type Selection Number");
			int selection = scan.nextInt();

			switch (selection) {
			case 1:
				System.out.println("Enter password to be checked");
				String password = scan.nextLine();
				String StrengthQual;
				if (Check.BasicCheck(password) == true) {
					int Strength = Check.StrengthCheck(password);
					if (Strength > 20) {
						StrengthQual = "Strong";
					}
					else if (Strength <= 0) {
						StrengthQual = "Medium";
					}
					else {
						StrengthQual = "Weak";
					}
				}
				break;

			case 2:

				break;

			case 3:
				break;

			default:
				break;
			}
		}
	}
}

class Check {
	public static boolean BasicCheck(String password) {
		//System.out.println(ValidList);
		//if(ValidList.contains('a')) {
		//	System.out.println("True");
		//}
		boolean success = true;
		String validStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!$%^&*()-_=+";
		ArrayList<Character> ValidList = (ArrayList<Character>) validStr.chars().mapToObj(c -> (char)c).collect(Collectors.toList());
		if (password.length() < 8 ) {
			System.out.println("Innapropriate password length; Too short. (min 8)");
			success = false;
		}
		else if (password.length() > 24 ) {
			System.out.println("Innapropriate password length; Too long. (max 24)");
			success = false;
		}
		else {
			boolean ascii = true;
			for(int i = 0;  i < password.length(); i++) {
				if (!ValidList.contains(password.charAt(i))) {
					System.out.println("Innapropriate character used ("+password.charAt(i)+").");
					ascii = false;
				}
			}
			if (ascii = true) {
				success = true;
			}
			else {
				success = false;
			}
		}
		return success;
	}
	public static int StrengthCheck(String password) {
		int Strength = password.length();
		String UpperStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
		ArrayList<Character> UpperList = (ArrayList<Character>) UpperStr.chars().mapToObj(c -> (char)c).collect(Collectors.toList());
		String LowerStr = "abcdefghijklmnopqrstuvwxyz";
		ArrayList<Character> LowerList = (ArrayList<Character>) LowerStr.chars().mapToObj(c -> (char)c).collect(Collectors.toList());
		String NumStr = "0123456789";
		ArrayList<Character> NumList = (ArrayList<Character>) NumStr.chars().mapToObj(c -> (char)c).collect(Collectors.toList());
		String SymStr = "!$%^&*()-_=+";
		ArrayList<Character> SymList = (ArrayList<Character>) SymStr.chars().mapToObj(c -> (char)c).collect(Collectors.toList());
		String QwertyStr = "qwertyuiopasdfghjklzxcvbnm";
		int[] QposArr = new int[password.length()];
		boolean Lower = false; boolean Upper = false; boolean Numb = false; boolean Symb = false;

		for (int i = 0; i < password.length(); i++) {
			if (UpperList.contains(password.charAt(i))) {
				Upper = true;
			}
			if (LowerList.contains(password.charAt(i))) {
				Lower = true;
			}
			if (NumList.contains(password.charAt(i))) {
				Numb = true;
			}
			if (SymList.contains(password.charAt(i))) {
				Symb = true;
			}
			QposArr[i] = QwertyStr.indexOf(Character.toLowerCase(password.charAt(i)));
		}

		if (Lower) {
			Strength+=5;
			System.out.println("Lower Case Used (+5). Total = "+Strength);
		}
		if (Upper) {
			Strength+=5;
			System.out.println("Upper Case Used (+5). Total = "+Strength);
		}
		if (Numb) {
			Strength+=5;
			System.out.println("Number Used (+5). Total = "+Strength);
		}
		if (Symb) {
			Strength+=5;
			System.out.println("Symbol Used (+5). Total = "+Strength);
		}
		if (Lower && Upper && Numb && Symb) {
			Strength+=10;
			System.out.println("All Character Types (+10). Total = "+Strength);
		}
		if ((Lower||Upper)&&!(Numb&&Symb)) {
			Strength-=5;
			System.out.println("Only Letters (-5). Total = "+Strength);
		}
		if ((Symb)&&!(Lower||Upper||Numb)) {
			Strength-=5;
			System.out.println("Only Symbols (-5). Total = "+Strength);
		}
		if ((Numb)&&!(Lower||Upper||Symb)) {
			Strength-=5;
			System.out.println("Only Numbers (-5). Total = "+Strength);
		}
		for (int i = 2; i < QposArr.length; i++) {
			if (((QposArr[i]-1)==(QposArr[i-1]))&&((QposArr[i-1]-1)==(QposArr[i-2]))) {
				Strength-=5;
				System.out.println("String of Adjacent characters from QWERTY ("+QwertyStr.charAt(QposArr[i-2])+QwertyStr.charAt(QposArr[i-1])+QwertyStr.charAt(QposArr[i-3]));
			}
		}

		return Strength;
	}

}