blitzkit/src/commands/permissions.ts

import { SlashCommandBuilder } from 'discord.js';
import { CommandRegistry } from '../events/interactionCreate';

export const permissionsCommand: CommandRegistry = {
  inProduction: true,
  inPublic: true,

  command: new SlashCommandBuilder()
    .setName('permissions')
    .setDescription('Checks wether the bot has the required permissions'),

  async handler(interaction) {
    // friday the 13th permissions easter egg
    const isFridayThe13th =
      new Date().getDay() === 5 && new Date().getDate() === 13;
    const permissions = [
      [
        interaction.appPermissions?.has('ViewChannel'),
        'View channels: needed for the refresh button to work',
      ],
      [
        interaction.appPermissions?.has('ReadMessageHistory'),
        'Read message history: also needed for the refresh button to work',
      ],
      [
        interaction.appPermissions?.has('AttachFiles'),
        'Attach files: needed for image-based commands to work',
      ],
    ];
    const body = permissions
      .map(([hasPermission, description]) => {
        if (hasPermission) {
          return `${isFridayThe13th ? '😇' : '✅'} ${description}`;
        } else {
          return `${isFridayThe13th ? '💀' : '❌'} ${description}`;
        }
      })
      .join('\n');

    return `# Permissions\n${body}`;
  },
};