package com.emailreading;

import java.util.Properties;

import javax.mail.Address;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Part;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.internet.MimeBodyPart;
import javax.mail.search.SearchTerm;

public class EmailAttachReceiver {

String fileName;
public void downloadEmailAttachments(String userName, String password) {

    try {
         //Code used to connect to a gmail account
    	//Starts Here
        Properties props = new Properties();
        props.setProperty("mail.store.protocol", "imaps");
        Session session = Session.getInstance(props, null);
        Store store = session.getStore();
        store.connect("imap.gmail.com", userName, password);
        Folder folderInbox = store.getFolder("INBOX");
        folderInbox.open(Folder.READ_ONLY);
        String RetailerName="Sudha Medicals";
        // Ends Here

        //Code used to search particular parameter from the email.
        //Starts Here
        SearchTerm searchCondition = new SearchTerm() {
            @Override
            public boolean match(Message message) {
                try {
                    if (message.getSubject().contains("Sudha Medicals Reports")) {
                        return true;
                    }
                } catch (MessagingException ex) {
                    ex.printStackTrace();
                }
                return false;
            }
        };
        //Ends Here.

        //Loop iteration based on matching parameters given in search method.

       //Starts Here
        Message[] arrayMessages = folderInbox.search(searchCondition);
        System.out.println(RetailerName);
        System.out.println("Total Email Count "+arrayMessages.length);
        for (int i = 0; i < arrayMessages.length; i++) {
            //i=arrayMessages.length-1;
            Message message = arrayMessages[i];
            //Address[] fromAddress = message.getFrom();
            //String from = fromAddress[0].toString();
           String subject = message.getSubject();
          //  String sentDate = message.getSentDate().toString();
            String contentType = message.getContentType();

            String messageContent = "";
            String attachFiles = "";

            //Code to handle the multipart text in email body.
            //Starts Here
            if (contentType.contains("multipart")) {
              //  System.out.println("contentType 1 "+contentType);
                Multipart multiPart = (Multipart) message.getContent();
                int numberOfParts = multiPart.getCount();
              //  System.out.println("numberOfParts  "+numberOfParts);
                for (int partCount = 0; partCount < numberOfParts; partCount++) {
                    MimeBodyPart part = (MimeBodyPart) multiPart.getBodyPart(partCount);
                    if (Part.ATTACHMENT.equalsIgnoreCase(part.getDisposition())) {
                      //  System.out.println("partCount 1 " + partCount);
                    } else {
                        //  System.out.println("partCount 2 "+partCount);
                        messageContent = part.getContent().toString();
                    }
                }

            } else if (contentType.contains("text/plain")
                    || contentType.contains("text/html")) {
                //System.out.println("contentType 2 " + contentType);
                Object content = message.getContent();
                if (content != null) {
                    messageContent = content.toString();
                }
            }
            //Ends Here
            /* Code To Replace The HTML Tags From The Content */
            //Starts Here
            String noHTMLString = messageContent.replaceAll("\\<.*?>","");

            String str = noHTMLString;

            String delimiter = "Total stock value";

            String[] temp = str.split(delimiter);
            System.out.println("Message #" + (i + 1) + ":");
            //System.out.println("\t Subject: " + subject );

            String[] temp1 = temp.length>1?temp[1].split("Stock adjustments done"):temp;
           	if(temp1[0].contains(": ₹ ")){
           		System.out.println("\t Subject: " + subject + " Total Stock Value  "+ temp1[0].replace(": ₹ ", ""));
           		//System.out.println( subject + "  "+temp1[0].replace(": ₹ ", ""));
            		 //System.out.println("Total Stock Value:"+temp1[0].replace(": ₹ ", ""));
           	}
          }

        folderInbox.close(false);
        store.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

     //Ends Here

public static void main(String[] args) {

    String userName = "abc@gmail.com";
    String password = "PSWD";
    EmailAttachReceiver receiver = new EmailAttachReceiver();
    receiver.downloadEmailAttachments(userName, password);

}
}