#!/usr/bin/env node

/**
 * Test script for session.ended WebSocket event
 * 
 * This script:
 * 1. Connects to the WebSocket server
 * 2. Authenticates with a JWT token
 * 3. Subscribes to a session
 * 4. Listens for session.ended events
 * 
 * Usage:
 *   node test-session-end-websocket.js <session_id> <jwt_token>
 * 
 * Example:
 *   node test-session-end-websocket.js 17 your-jwt-token-here
 */

const WebSocket = require('ws');

// Configuration
const WS_URL = process.env.WS_URL || 'ws://localhost:5000/api/sessions/live';
const SESSION_ID = process.argv[2] || '17';
const JWT_TOKEN = process.argv[3];

if (!JWT_TOKEN) {
  console.error('❌ Error: JWT token is required');
  console.error('Usage: node test-session-end-websocket.js <session_id> <jwt_token>');
  process.exit(1);
}

console.log('🚀 Testing session.ended WebSocket event');
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
console.log(`📡 Connecting to: ${WS_URL}`);
console.log(`🎮 Session ID: ${SESSION_ID}`);
console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n');

// Create WebSocket connection
const ws = new WebSocket(WS_URL);

ws.on('open', () => {
  console.log('✅ Connected to WebSocket server\n');
  
  // Step 1: Authenticate
  console.log('🔐 Authenticating...');
  ws.send(JSON.stringify({
    type: 'auth',
    token: JWT_TOKEN
  }));
});

ws.on('message', (data) => {
  try {
    const message = JSON.parse(data.toString());
    
    switch (message.type) {
      case 'auth_success':
        console.log('✅ Authentication successful\n');
        
        // Step 2: Subscribe to session
        console.log(`📻 Subscribing to session ${SESSION_ID}...`);
        ws.send(JSON.stringify({
          type: 'subscribe',
          sessionId: parseInt(SESSION_ID)
        }));
        break;
        
      case 'subscribed':
        console.log(`✅ Subscribed to session ${message.sessionId}\n`);
        console.log('👂 Listening for session.ended events...');
        console.log('   (Close the session in the Picker to trigger the event)\n');
        break;
        
      case 'session.ended':
        console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
        console.log('🎉 SESSION.ENDED EVENT RECEIVED!');
        console.log('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
        console.log('\n📦 Event Data:');
        console.log(JSON.stringify(message, null, 2));
        console.log('\n✨ Event Details:');
        console.log(`   Session ID: ${message.data.session.id}`);
        console.log(`   Active: ${message.data.session.is_active === 1 ? 'Yes' : 'No'}`);
        console.log(`   Games Played: ${message.data.session.games_played}`);
        console.log(`   Timestamp: ${message.timestamp}`);
        console.log('\n✅ Test successful! The bot should now announce the session end.\n');
        
        // Close connection after receiving the event
        setTimeout(() => {
          console.log('👋 Closing connection...');
          ws.close();
        }, 1000);
        break;
        
      case 'auth_error':
      case 'error':
        console.error(`❌ Error: ${message.message}`);
        ws.close();
        process.exit(1);
        break;
        
      case 'pong':
        // Ignore pong messages
        break;
        
      default:
        console.log(`📨 Received message: ${message.type}`);
        console.log(JSON.stringify(message, null, 2));
    }
  } catch (err) {
    console.error('❌ Failed to parse message:', err);
    console.error('Raw data:', data.toString());
  }
});

ws.on('error', (err) => {
  console.error('❌ WebSocket error:', err.message);
  process.exit(1);
});

ws.on('close', (code, reason) => {
  console.log(`\n🔌 Connection closed (code: ${code})`);
  if (reason) {
    console.log(`   Reason: ${reason}`);
  }
  process.exit(0);
});

// Handle Ctrl+C gracefully
process.on('SIGINT', () => {
  console.log('\n\n👋 Shutting down...');
  ws.close();
  process.exit(0);
});

// Send periodic pings to keep connection alive
const pingInterval = setInterval(() => {
  if (ws.readyState === WebSocket.OPEN) {
    ws.send(JSON.stringify({ type: 'ping' }));
  }
}, 30000);

// Clean up interval on close
ws.on('close', () => {
  clearInterval(pingInterval);
});