gestion/commands/utils/banner.js

const fetch = require('node-fetch');
const { EmbedBuilder } = require('discord.js');

module.exports = {
  name: 'banner',
  description: 'Affiche la bannière d\'un utilisateur',
  emote: '🔍',
  utilisation: 'banner <@user>',
  category: 'utils',

  async execute(message, args, client) {
    const user = message.mentions.users.first() || message.author;

    const response = await fetch(`https://discord.com/api/users/${user.id}`, {
      method: 'GET',
      headers: {
        Authorization: `Bot ${message.client.token}`
      }
    });
    const data = await response.json();

    if (!data.banner) {
      return message.reply('Cet utilisateur n\'a pas de bannière.');
    }

    const format = data.banner.startsWith('a_') ? 'gif' : 'png';

    const bannerURL = `https://cdn.discordapp.com/banners/${user.id}/${data.banner}.${format}?size=2048`;

    const embed = new EmbedBuilder()
      .setTitle(`Bannière de ${user.tag}`)
      .setImage(bannerURL)
      .setFooter({ text: `Demandé par ${message.author.tag}`, iconURL: message.author.displayAvatarURL() })
      .setTimestamp();

    message.channel.send({ embeds: [embed] });
  },
};