const msrp = require("msrp-node-lib")({
  host: "127.0.0.1", // IP to bind server to
  port: 2855,
  sessionName: "user-a",
  acceptTypes: "text/plain",
  setup: "active",
  // advertiseHost: 'public.ip.address' // Optional: IP to advertise in SDP
});

// Start the MSRP server
msrp.Server.start((err) => {
  if (err) {
    console.error("Error starting MSRP service:", err);
    return;
  }
  console.log("MSRP Service started");

  // Create a session
  const session = msrp.SessionController.createSession();

  // Handle connection
  session.on("socketSet", (session) => {
    console.log("Connected! Ready to send messages");
    session.sendMessage("Hello World!");
  });

  // Handle incoming messages
  session.on("message", (message) => {
    console.log("Received:", message.body);
  });
});

// Scenario 1: Simple local setup
const msrp = require("msrp-node-lib")({
  host: "127.0.0.1",
  port: 2855,
  // advertiseHost defaults to '127.0.0.1'
});

// Scenario 2: Behind NAT/firewall
const msrp = require("msrp-node-lib")({
  host: "192.168.1.100", // Internal IP to bind to
  advertiseHost: "203.0.113.10", // Public IP to advertise
  port: 2855,
});

// Scenario 3: Listen on all interfaces
const msrp = require("msrp-node-lib")({
  host: "0.0.0.0", // Bind to all interfaces
  advertiseHost: "192.168.1.100", // Specific IP to advertise
  port: 2855,
});

// Scenario 4: Auto-detect advertise address
const msrp = require("msrp-node-lib")({
  host: "0.0.0.0", // Bind to all interfaces
  // advertiseHost not set - library will auto-detect reachable IP
  port: 2855,
});

const winston = require("winston");

const msrp = require("msrp-node-lib")(
  {
    host: "127.0.0.1",
    port: 2855,
    sessionName: "user-a",
    acceptTypes: "text/plain",
    setup: "active",
  },
  winston.createLogger({
    level: "debug",
    format: winston.format.simple(),
    transports: [new winston.transports.Console()],
  })
);

const msrp = require("msrp-node-lib")({
  host: "127.0.0.1",
  port: 2855,
  sessionName: "user-a",
  acceptTypes: "text/plain",
  setup: "active",
});

// Start the server
msrp.Server.start((err) => {
  if (err) {
    console.error("Failed to start MSRP server:", err);
    return;
  }

  // Create a session
  const session = msrp.SessionController.createSession();

  // Set up event handlers
  session.on("socketSet", (session) => {
    console.log("Connected! Session ID:", session.sid);
    session.sendMessage("Hello World!");
  });

  session.on("message", (message, session) => {
    console.log("Received:", message.body);
    console.log("Content-Type:", message.contentType);
  });

  session.on("messageSent", (message, session) => {
    console.log("Message sent:", message.messageId);
  });

  session.on("socketClose", (hadError, session) => {
    console.log("Connection closed:", hadError ? "with error" : "normally");
  });
});

// Create a session for SIP call setup
const session = msrp.SessionController.createSession();

// Generate local SDP offer
const localSdp = session.getDescription();
console.log("Local SDP:", localSdp);

// When you receive remote SDP answer
const remoteSdp = `
v=0
o=user-b 789012 210987 IN IP4 192.168.1.100
s=user-b
c=IN IP4 192.168.1.100
t=0 0
m=message 2856 TCP/MSRP *
a=accept-types:text/plain
a=path:msrp://192.168.1.100:2856/session456;tcp
a=setup:passive
`;

try {
  session.setDescription(remoteSdp.trim());
  console.log("SDP negotiation complete");
} catch (error) {
  console.error("SDP error:", error);
}

// Start server
msrp.Server.start((err) => {
  if (err) console.error("Start error:", err);
  else console.log("Server started");
});

// Stop server
msrp.Server.stop(() => {
  console.log("Server stopped");
});

// Graceful shutdown
process.on("SIGINT", () => {
  msrp.Server.stop(() => process.exit(0));
});

const session = msrp.SessionController.createSession();

// Send a message
session.sendMessage("Hello World!", (error) => {
  if (error) console.error("Send failed:", error);
  else console.log("Message queued");
});

// Get local SDP description
const sdp = session.getDescription();

// Set remote SDP description
session.setDescription(remoteSdp);

// End the session
session.end();

// Create a new session
const session = msrp.SessionController.createSession();

// Get session by ID
const session = msrp.SessionController.getSession(sessionId);

// Get sessions by remote address
const sessions =
  msrp.SessionController.getSessionsByRemoteSocketAddress("192.168.1.100:2856");

// Remove a session
msrp.SessionController.removeSession(session);

// Start the server
msrp.Server.start((error) => {
  // Handle start result
});

// Stop the server
msrp.Server.stop(() => {
  // Handle stop completion
});