feat: renamed help command to about

src/commands/about.ts

@@ -0,0 +1,66 @@
+import {
+  SlashCommandBuilder,
+  SlashCommandSubcommandsOnlyBuilder,
+} from 'discord.js';
+import { COMMANDS_RAW, CommandRegistry } from '../events/interactionCreate';
+
+const RAW_PATH = `https://raw.githubusercontent.com/tresabhi/blitzkrieg/main/docs/`;
+const DOCS = {
+  permissions: 'guide/permissions',
+  embeds: 'guide/embeds',
+  introduction: 'guide/introduction',
+  invite: 'guide/invite',
+  timezones: 'guide/timezones',
+};
+const DOC_DESCRIPTIONS: Record<keyof typeof DOCS, string> = {
+  permissions: 'The permissions needed for the bot to function',
+  embeds: 'How embeds work',
+  introduction: 'About the bot',
+  invite: 'How to invite the bot',
+  timezones: 'How Blitzkrieg infers and uses your timezone',
+};
+
+function addDocsSubcommands(option: SlashCommandSubcommandsOnlyBuilder) {
+  Object.entries(DOC_DESCRIPTIONS).forEach(([key, value]) => {
+    option.addSubcommand((sub) => sub.setName(key).setDescription(value));
+  });
+
+  return option;
+}
+
+export const aboutCommand: CommandRegistry = {
+  inProduction: true,
+  inPublic: true,
+
+  command: addDocsSubcommands(
+    new SlashCommandBuilder()
+      .setName('about')
+      .setDescription('All the info you need about the bot')
+      .addSubcommand((option) =>
+        option
+          .setName('commands')
+          .setDescription('List of all commands and their descriptions'),
+      ),
+  ),
+
+  async handler(interaction) {
+    const subcommand = interaction.options.getSubcommand();
+
+    if (subcommand === 'commands') {
+      return `# Commands\n\nBlitzkrieg offers the following commands:\n\n${(
+        await Promise.all(COMMANDS_RAW)
+      )
+        .filter((registry) => registry.inPublic && registry.inProduction)
+        .map(
+          (registry) =>
+            `- \`/${registry.command.name}\`: ${registry.command.description}`,
+        )
+        .join('\n')}`;
+    }
+
+    const url = `${RAW_PATH}${DOCS[subcommand as keyof typeof DOCS]}.md`;
+    const content = fetch(url).then((response) => response.text());
+
+    return content;
+  },
+};