Files
Telegram-Final-Project/src/main/java/org/to/telegramfinalproject/Client/TelegramClient.java
T

123 lines
3.8 KiB
Java

package org.to.telegramfinalproject.Client;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Map;
import java.util.Scanner;
import java.util.UUID;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.LinkedBlockingQueue;
public class TelegramClient {
private static final String SERVER_HOST = "localhost";
private static final int SERVER_PORT = 8000;
private static Socket socket;
private BufferedReader in;
private PrintWriter out;
private final Scanner scanner;
private ActionHandler handler;
public static BlockingQueue<JSONObject> responseQueue = new LinkedBlockingQueue<>();
public static UUID loggedInUserId = null;
public static final Map<String, BlockingQueue<JSONObject>> pendingResponses = new ConcurrentHashMap<>();
private static TelegramClient instance;
public TelegramClient() {
this.scanner = new Scanner(System.in);
instance = this;
}
public static TelegramClient getInstance() {
return instance;
}
public void start() {
try {
socket = new Socket(SERVER_HOST, SERVER_PORT);
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
out = new PrintWriter(socket.getOutputStream(), true);
System.out.println("✅ Connected to Telegram Server");
handler = new ActionHandler(out, in, scanner);
Thread listenerThread = new Thread(new IncomingMessageListener(in));
listenerThread.setDaemon(true);
listenerThread.start();
showMainMenu();
} catch (IOException e) {
System.err.println("❌ Error connecting to server: " + e.getMessage());
}
}
private void showMainMenu() throws IOException {
while (true) {
System.out.println("Main Menu:");
System.out.println("1. Register");
System.out.println("2. Login");
System.out.println("3. Exit");
System.out.print("Choose an option: ");
String choice = scanner.nextLine();
switch (choice) {
case "1" -> handler.register();
case "2" -> {
handler.loginHandler();
if (Session.currentUser != null) {
System.out.println("✅ Login successful.");
new Thread(new ActionHandler.ChatStateMonitor(out)).start();
// new Thread(new ActionHandler.CurrentChatMenuRefresher(this.handler)).start();
UUID internalId = UUID.fromString(Session.currentUser.getString("internal_uuid"));
loggedInUserId = internalId;
handler.userMenu(internalId);
} else {
System.out.println("❌ Login failed.");
}
}
case "3" -> {
System.out.println("Exiting...");
return;
}
default -> System.out.println("Invalid choice.");
}
}
}
public static void send(JSONObject req) {
try {
responseQueue.clear(); // optional: clear old responses
getInstance().out.println(req.toString());
System.out.println("📤 [SEND] " + req.toString(2));
} catch (Exception e) {
System.err.println("❌ Error sending request: " + e.getMessage());
}
}
public static Socket getSocket() {
return socket;
}
public static void main(String[] args) {
new TelegramClient().start();
}
public PrintWriter getOut() {
return out;
}
}