package it145finalproject;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;


public class IT145FinalProject {


    public static void main(String[] args) {
        Scanner scnr = new Scanner(System.in);
        int loginAttempts = 0;
        String userName;
        String userPass;
        FileInputStream inCredentials = null;
        FileInputStream inAdmin = null;
        FileInputStream inVeterinarian = null;
        FileInputStream inZookeeper = null;
        Scanner inCreds = null;
        Scanner inAd = null;
        Scanner inVet = null;
        Scanner inZoo = null;
        String fileName = "";
        String fileHash = "";
        String filePass = "";
        String fileLevel = "";


        try {
            inCredentials = new FileInputStream("credentials.txt");
        } catch (FileNotFoundException ex) {
            Logger.getLogger(IT145FinalProject.class.getName()).log(Level.SEVERE, null, ex);
        }
        inCreds = new Scanner(inCredentials);

        try {
            inAdmin = new FileInputStream("admin.txt");
        } catch
(FileNotFoundException ex) {
            Logger.getLogger(IT145FinalProject.class.getName()).log (Level.SEVERE, null, ex);
        }
        inAd = new Scanner(inAdmin);

        try {
            inVeterinarian = new FileInputStream("veterinarian.txt");
        } catch (FileNotFoundException ex) {
            Logger.getLogger(IT145FinalProject.class.getName()).log(Level.SEVERE, null, ex);
        }
        inVet = new Scanner(inVeterinarian);

        try {
            inZookeeper = new FileInputStream("zookeeper.txt");
        } catch (FileNotFoundException ex) {
            Logger.getLogger(IT145FinalProject.class.getName()).log(Level.SEVERE, null, ex);
        }
        inZoo = new Scanner(inZookeeper);




        System.out.println("Enter username: ");
        userName = scnr.next();

        System.out.println("Enter password: ");
        userPass = scnr.next();

        while (loginAttempts < 3) {
                String original = userPass;  //Replace "password" with the actual password inputted by the user
        MessageDigest md = null;
            try {
                md = MessageDigest.getInstance("MD5");
            } catch (NoSuchAlgorithmException ex) {
                Logger.getLogger(IT145FinalProject.class.getName()).log(Level.SEVERE, null, ex);
            }
        md.update(original.getBytes());
        byte[] digest = md.digest();
      StringBuffer sb = new StringBuffer();
        for (byte b : digest) {
            sb.append(String.format("%02x", b & 0xff));
        }
                fileName = inCreds.next();
                fileHash = inCreds.next();
                filePass = inCreds.next();
                fileLevel = inCreds.next();

                while (userName.equals(fileName)) {
                    while (userPass.equals(filePass)) {
                        if (fileLevel.equals("zookeeper")){
                            System.out.print(inZoo);
                        }
                        else if (fileLevel.equals("admin")){
                            System.out.print(inAd);
                        }
                        else if (fileLevel.equals("veterinarian")){
                            System.out.print(inVet);
                        }

                        }
                    }
                loginAttempts++;
                }



        }


}