/**
 * Echo Bot Example
 *
 * A simple bot that echoes back messages that start with "!echo"
 *
 * Usage:
 *   node echo-bot.js <api-key> <server-url> <realm-id>
 *
 * Example:
 *   node echo-bot.js abc123 wss://example.com/chat/ws my-realm
 */

import ChatBot from '../index.js';

// Get arguments
const [,, apiKey, serverUrl, realmId] = process.argv;

if (!apiKey || !serverUrl || !realmId) {
  console.log('Usage: node echo-bot.js <api-key> <server-url> <realm-id>');
  console.log('Example: node echo-bot.js abc123 wss://example.com/chat/ws my-realm');
  process.exit(1);
}

// Create the bot
const bot = new ChatBot('EchoBot');

// Set up message handler
bot.messageHandler = (message) => {
  console.log(`[${message.username}]: ${message.content}`);

  // Echo back messages that start with !echo
  if (message.content.startsWith('!echo ')) {
    const echoText = message.content.slice(6);
    bot.print(echoText);
  }

  // Respond to !hello
  if (message.content === '!hello') {
    bot.print(`Hello, ${message.username}!`);
  }

  // Show help
  if (message.content === '!help') {
    bot.print('Commands: !echo <text>, !hello, !help');
  }
};

// Set up event handlers
bot.onConnect = () => {
  console.log('Bot connected!');
};

bot.onJoin = (room) => {
  console.log(`Bot joined room: ${room}`);
  bot.print('EchoBot is online! Type !help for commands.');
};

bot.onParticipantJoin = (participant) => {
  console.log(`${participant.username} joined the chat`);
};

bot.onParticipantLeave = (participant) => {
  console.log(`${participant.username} left the chat`);
};

bot.onError = (error) => {
  console.error('Bot error:', error.message);
};

// Connect and join
async function main() {
  try {
    console.log(`Connecting to ${serverUrl}...`);
    await bot.connect(apiKey, serverUrl);

    console.log(`Joining room: ${realmId}...`);
    await bot.joinRoom(realmId);

    console.log('Bot is running. Press Ctrl+C to stop.');
  } catch (error) {
    console.error('Failed to start bot:', error.message);
    process.exit(1);
  }
}

// Handle shutdown
process.on('SIGINT', () => {
  console.log('\nShutting down bot...');
  bot.disconnect();
  process.exit(0);
});

main();