index.js

require('dotenv').config();

const { Client, IntentsBitField } = require('discord.js');
const OpenAI = require('openai');

const openai = new OpenAI({
  apiKey: process.env.OPENAI_API_KEY,
});

const client = new Client({
  intents: [
    IntentsBitField.Flags.Guilds,
    IntentsBitField.Flags.GuildMessages,
    IntentsBitField.Flags.MessageContent,
  ],
});

client.on('ready', () => {
  console.log('Le Bot est en ligne');
});

client.on('messageCreate', async (message) => {
  if (message.author.bot || message.channel.id !== process.env.CHANNEL_ID || message.content.startsWith('!')) {
    return;
  }

  let conversationLog = [{ role: 'system', content: 'You are a friendly chatbot.' }];

  try {
    await message.channel.sendTyping();

    const prevMessages = await message.channel.messages.fetch({ limit: 15 });

    prevMessages.reverse().forEach((msg) => {
      if (msg.content.startsWith('!') || (msg.author.bot && msg.author.id !== client.user.id)) {
        return;
      }

      const role = msg.author.id === client.user.id ? 'assistant' : 'user';
      const name = msg.author.username.replace(/\s+/g, '_').replace(/[^\w\s]/gi, '');

      conversationLog.push({ role, content: msg.content, name });
    });

    const completion = await openai.chat.completions.create({
      model: 'gpt-3.5-turbo',
      messages: conversationLog
    });

    if (completion.choices.length > 0 && completion.choices[0].message) {
      await message.reply(completion.choices[0].message);
    }
  } catch (error) {
    console.error(`Error: ${error.message}`);
  }
});

client.login(process.env.TOKEN);