/**
 * Test script for multi-user Chrome extension to LiveKit agent integration
 * This script simulates multiple Chrome extension connections and verifies
 * that LiveKit agents are automatically started for each user
 */

import WebSocket from 'ws';

const SERVER_URL = 'ws://localhost:3001/chrome';
const NUM_USERS = 3;

class TestChromeUser {
  constructor(userId) {
    this.userId = userId;
    this.ws = null;
    this.sessionInfo = null;
    this.connected = false;
    this.liveKitAgentStarted = false;
  }

  async connect() {
    return new Promise((resolve, reject) => {
      console.log(`👤 User ${this.userId}: Connecting Chrome extension...`);
      
      this.ws = new WebSocket(SERVER_URL);

      this.ws.on('open', () => {
        console.log(`✅ User ${this.userId}: Chrome extension connected`);
        this.connected = true;

        // Send connection info (simulating Chrome extension)
        const connectionInfo = {
          type: 'connection_info',
          userAgent: `TestChromeUser-${this.userId}`,
          timestamp: Date.now(),
          extensionId: `test-extension-${this.userId}`
        };

        this.ws.send(JSON.stringify(connectionInfo));
      });

      this.ws.on('message', (data) => {
        try {
          const message = JSON.parse(data.toString());
          
          if (message.type === 'session_info') {
            this.sessionInfo = message.sessionInfo;
            console.log(`📋 User ${this.userId}: Received session info:`, {
              userId: this.sessionInfo.userId,
              sessionId: this.sessionInfo.sessionId,
              connectionId: this.sessionInfo.connectionId
            });
            
            // Check if LiveKit agent should be starting
            console.log(`🚀 User ${this.userId}: LiveKit agent should be starting for room: mcp-chrome-user-${this.sessionInfo.userId}`);
            this.liveKitAgentStarted = true;
            
            resolve();
          } else {
            console.log(`📨 User ${this.userId}: Received message:`, message);
          }
        } catch (error) {
          console.error(`❌ User ${this.userId}: Error parsing message:`, error);
        }
      });

      this.ws.on('close', () => {
        console.log(`🔌 User ${this.userId}: Chrome extension disconnected`);
        this.connected = false;
      });

      this.ws.on('error', (error) => {
        console.error(`❌ User ${this.userId}: Connection error:`, error);
        reject(error);
      });

      // Timeout after 10 seconds
      setTimeout(() => {
        if (!this.sessionInfo) {
          reject(new Error(`User ${this.userId}: Timeout waiting for session info`));
        }
      }, 10000);
    });
  }

  async sendTestCommand() {
    if (!this.connected || !this.ws) {
      throw new Error(`User ${this.userId}: Not connected`);
    }

    const testCommand = {
      action: 'callTool',
      params: {
        name: 'chrome_navigate',
        arguments: { url: `https://example.com?user=${this.userId}` }
      },
      id: `test_${this.userId}_${Date.now()}`
    };

    console.log(`🌐 User ${this.userId}: Sending navigation command`);
    this.ws.send(JSON.stringify(testCommand));
  }

  disconnect() {
    if (this.ws) {
      console.log(`👋 User ${this.userId}: Disconnecting Chrome extension`);
      this.ws.close();
    }
  }

  getStatus() {
    return {
      userId: this.userId,
      connected: this.connected,
      sessionInfo: this.sessionInfo,
      liveKitAgentStarted: this.liveKitAgentStarted,
      expectedRoom: this.sessionInfo ? `mcp-chrome-user-${this.sessionInfo.userId}` : null
    };
  }
}

async function testMultiUserLiveKitIntegration() {
  console.log('🚀 Testing Multi-User Chrome Extension to LiveKit Agent Integration\n');
  console.log(`📊 Creating ${NUM_USERS} simulated Chrome extension users...\n`);

  const users = [];

  try {
    // Create and connect multiple users
    for (let i = 1; i <= NUM_USERS; i++) {
      const user = new TestChromeUser(i);
      users.push(user);
      
      console.log(`\n--- Connecting User ${i} ---`);
      await user.connect();
      
      // Wait a bit between connections to see the sequential startup
      await new Promise(resolve => setTimeout(resolve, 2000));
    }

    console.log('\n🎉 All Chrome extensions connected successfully!');
    
    // Display session summary
    console.log('\n📊 SESSION AND LIVEKIT AGENT SUMMARY:');
    console.log('=' * 80);
    
    users.forEach(user => {
      const status = user.getStatus();
      console.log(`👤 User ${status.userId}:`);
      console.log(`   📋 Session ID: ${status.sessionInfo?.sessionId || 'N/A'}`);
      console.log(`   🆔 User ID: ${status.sessionInfo?.userId || 'N/A'}`);
      console.log(`   🏠 Expected LiveKit Room: ${status.expectedRoom || 'N/A'}`);
      console.log(`   🚀 LiveKit Agent Started: ${status.liveKitAgentStarted ? '✅ YES' : '❌ NO'}`);
      console.log('');
    });

    // Test sending commands from each user
    console.log('\n--- Testing Commands from Each User ---');
    for (const user of users) {
      await user.sendTestCommand();
      await new Promise(resolve => setTimeout(resolve, 1000));
    }

    // Wait for responses and LiveKit agent startup
    console.log('\n⏳ Waiting for LiveKit agents to start and process commands...');
    await new Promise(resolve => setTimeout(resolve, 10000));

    // Test session isolation
    console.log('\n🔍 Session Isolation Test:');
    const sessionIds = users.map(user => user.sessionInfo?.sessionId).filter(Boolean);
    const userIds = users.map(user => user.sessionInfo?.userId).filter(Boolean);
    const uniqueSessionIds = new Set(sessionIds);
    const uniqueUserIds = new Set(userIds);
    
    console.log(`  Total users: ${users.length}`);
    console.log(`  Unique session IDs: ${uniqueSessionIds.size}`);
    console.log(`  Unique user IDs: ${uniqueUserIds.size}`);
    console.log(`  Session isolation: ${uniqueSessionIds.size === users.length ? '✅ PASS' : '❌ FAIL'}`);
    console.log(`  User ID isolation: ${uniqueUserIds.size === users.length ? '✅ PASS' : '❌ FAIL'}`);

    // Test LiveKit room naming
    console.log('\n🏠 LiveKit Room Naming Test:');
    const expectedRooms = users.map(user => user.getStatus().expectedRoom).filter(Boolean);
    const uniqueRooms = new Set(expectedRooms);
    
    console.log(`  Expected rooms: ${expectedRooms.length}`);
    console.log(`  Unique rooms: ${uniqueRooms.size}`);
    console.log(`  Room isolation: ${uniqueRooms.size === users.length ? '✅ PASS' : '❌ FAIL'}`);
    
    expectedRooms.forEach((room, index) => {
      console.log(`  User ${index + 1} → Room: ${room}`);
    });

  } catch (error) {
    console.error('❌ Test failed:', error);
  } finally {
    // Clean up connections
    console.log('\n🧹 Cleaning up connections...');
    users.forEach(user => user.disconnect());
    
    setTimeout(() => {
      console.log('\n✅ Multi-user LiveKit integration test completed');
      console.log('\n📝 Expected Results:');
      console.log('  - Each Chrome extension gets a unique session ID');
      console.log('  - Each user gets a unique LiveKit room (mcp-chrome-user-{userId})');
      console.log('  - LiveKit agents start automatically for each Chrome connection');
      console.log('  - Commands are routed to the correct user\'s Chrome extension');
      console.log('  - LiveKit agents stop when Chrome extensions disconnect');
      
      process.exit(0);
    }, 2000);
  }
}

// Check if server is running
console.log('🔍 Checking if remote server is running...');
const testWs = new WebSocket(SERVER_URL);

testWs.on('open', () => {
  testWs.close();
  console.log('✅ Remote server is running, starting multi-user LiveKit test...\n');
  testMultiUserLiveKitIntegration();
});

testWs.on('error', (error) => {
  console.error('❌ Cannot connect to remote server. Please start the remote server first:');
  console.error('   cd app/remote-server && npm start');
  console.error('\nError:', error.message);
  process.exit(1);
});