Secret Santa

import java.io.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.sql.*;
import javax.activation.*;
public class SecretSanta {

//Set 2 boolean arrays
    Boolean[] santa;
    Boolean[] chosen;
    boolean santaPaired = true;
    boolean chosenPaired = true;


    public static void main(String[] args) {

    //For the main method, just use the fileread method in order to pair the santas/chosens
        SecretSanta ss = new SecretSanta();
        ss.fileRead();
    }

    public void fileRead() {

        List<String> aList = new ArrayList<String>();

        int size = 0;

        try {

            File emails = new File("/Users/Refai343643/Desktop/emails.txt");
            BufferedReader br = new BufferedReader(new FileReader(emails));

            //create a blank/null string in order to read the upcoming file lines
            String line = null;

            while((line = br.readLine()) != null) {
                size = size +1;
                aList.add(line);
            }
            br.close();
        }

        catch(Exception ex) {
            ex.printStackTrace();
            //If there's an error then catch it here
        }

        //now create 2 more different boolean arrays and fill them all with false
        chosen = new Boolean[size];
        santa = new Boolean[size];
        Arrays.fill(chosen, false);
        Arrays.fill(santa, false);


        //Assign random numbers to a integer in order to grab a random pair and assign them to p1 and p2
        Random rand = new Random();
        while(true) {
            int randomInt1 = rand.nextInt(size);
            int randomInt2 = rand.nextInt(size);

            String p1 = aList.get(randomInt1);
            String p2 = aList.get(randomInt2);

            if(p1==p2){
                //do nothing because you can't get yourself as a pair, try again.
            }
            if((p1!=p2) && (santa[randomInt1] == false) && (chosen[randomInt2] == false)) {

                String[] person1 = p1.split(" ");
                String[] person2 = p2.split(" ");

                String message = person1[0] + ", you are " + person2[0] + " " + "'s secret Santa!";
                System.out.println(message);  //show what message is being sent
                sendEmail(person1[0], message);
                //use the send email method to send the emails from these messages
                santa[randomInt1] = true;
                chosen[randomInt2] = true;

                if(arrCompleted(santa) == true && arrCompleted(chosen) == true) {
                    break;

                }
            }
        }
    }

    //runs test to see if all array is true and returns true
    //otherwise returns false.
    boolean arrCompleted(Boolean[] boolarray) {
        for (int i=0; i < boolarray.length; i++) {
            if (boolarray[i] == false) {
                return false;
            }
        }
        return true;
    }
    //send emails
   public void sendEmail(String to, String mass){
   Scanner keyboard = new Scanner(System.in);
   ArrayList<String> Emails = new ArrayList<String>();
   String userpt2 = "";String passpt2 = "";
   String total = "";String bodypt2 = "";
   String subjectpt2 = "";
   String wantToAttach = "";
   String pathToFile = "";
   String nameOfFile = "";
   Properties props = new Properties();
   props.put("mail.smtp.auth", "true");
   props.put("mail.smtp.starttls.enable", "true");
   props.put("mail.smtp.host", "smtp.gmail.com");
   props.put("mail.smtp.port", "587");
   System.out.println("How many Emails would you like to send to? (one or multiple)");
   total = keyboard.nextLine();
   if(total.equals("one")){System.out.println("Enter your email (i.e. myemail@gmail.com)");
   userpt2 = keyboard.nextLine();
   System.out.println("Enter your email account's password (case-sensitive)");
   passpt2 = keyboard.nextLine();
   System.out.println("Enter the email's subject");
   subjectpt2 = keyboard.nextLine();
   System.out.println("Would you like to add an attachment? (yes or no)");
   wantToAttach = keyboard.nextLine();
   if(wantToAttach.equals("yes")){
 System.out.println("Enter the file path to your attachment, without including the file name. (i.e. C://Users/person/Desktop/Pictures/)");
 pathToFile = keyboard.nextLine();
 System.out.println("Enter the name of your attachment, including its extention. (i.e. mycat.jpg)");
 nameOfFile = keyboard.nextLine();
 }
 bodypt2 = mass;
 }
 else if(total.equals("multiple")){String done = "no";
 String status = "yes";
 System.out.println("Enter your email (i.e. myemail@gmail.com)");
 userpt2 = keyboard.nextLine();System.out.println("Enter your email account's password (case-sensitive)");
 passpt2 = keyboard.nextLine();
 System.out.println("Enter the email's subject");
 subjectpt2 = keyboard.nextLine();System.out.println("Would you like to add an attachment? (yes or no)");
 wantToAttach = keyboard.nextLine();
 if(wantToAttach.equals("yes")){System.out.println("Enter the file path to your attachment, without including the file name. (i.e. C://Users/person/Desktop/Pictures/)");
 pathToFile = keyboard.nextLine();
 System.out.println("Enter the name of your attachment, including its extention. (i.e. mycat.jpg)");
 pathToFile = keyboard.nextLine();
 }
 System.out.println("Enter the email's body text");
 bodypt2 = keyboard.nextLine();
 System.out.println("Enter the recipient's email (i.e. youremail@gmail.com)");
 Emails.add(keyboard.nextLine());
 while(done.equals("no")){System.out.println("Enter the next recipient's email (i.e. youremail@gmail.com)");
 Emails.add(keyboard.nextLine());
 System.out.println("Would you like to add another email? (yes or no)");
 status = keyboard.nextLine();
 if(status.equals("no")){done = "yes";}}}
 final String username = userpt2;
 final String password = passpt2;
 final String subject = subjectpt2;
 final String body = bodypt2;
 final String pathToFilept2 = pathToFile;
 final String nameOfFilept2 = nameOfFile;
 final String wantToAttachpt2 = wantToAttach;
 Session session = Session.getInstance(props,  new javax.mail.Authenticator() {
 protected PasswordAuthentication getPasswordAuthentication() {
 return new PasswordAuthentication(username, password);}  });
 try{Multipart multipart = new MimeMultipart();
    Message message = new MimeMessage(session);
     message.setFrom(new InternetAddress(username));
        message.setSubject(subject);
        BodyPart messageBodyPart = new MimeBodyPart();
        multipart.addBodyPart(messageBodyPart);
         message.setText(body);if(wantToAttachpt2.equals("yes")){
         String file = pathToFilept2;
         String fileName = nameOfFilept2;
         FileDataSource source = new FileDataSource(file);
         messageBodyPart.setDataHandler(new DataHandler(source));
         messageBodyPart.setFileName(fileName);
         multipart.addBodyPart(messageBodyPart);
         message.setContent(multipart);
         }
         for(int i = 0; i < 1 /*Emails.size()*/; i++)
         {
         message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
         System.out.println("sending...");
         Transport.send(message);
          System.out.printf("Email %d sent.\n", i + 1);
          }
          System.out.println("-------------\nOperation Complete.");
          }
          catch (MessagingException e)
          {
          throw new RuntimeException(e);}}}