From 88acd94d101fa6f0ec0b9fa97f175b6f56bb61f6 Mon Sep 17 00:00:00 2001
From: Lucio Delelis <ldelelis@est.frba.utn.edu.ar>
Date: Fri, 4 Oct 2019 00:12:16 -0300
Subject: [PATCH] feat(): implements core help module

---
 modules/help.ts | 25 +++++++++++++++++++++++++
 scepter.ts      |  2 +-
 2 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 modules/help.ts

diff --git a/modules/help.ts b/modules/help.ts
new file mode 100644
index 0000000..0077f36
--- /dev/null
+++ b/modules/help.ts
@@ -0,0 +1,25 @@
+import { Message } from 'discord.js'
+import { Command } from '../scepter'
+
+export const help = async (message: Message, args: string[]) => {
+  const helpCommand = args[0]
+  const command: Command = message.client['loadedCommands'][helpCommand]
+
+  if (command == null) {
+    return message.channel.send(`Command not found: ${helpCommand}`)
+  }
+  return message.channel.send(`${helpCommand}: ${command.description}\n\
+Examples: \`${command.examples.map(x => x)}\``)
+}
+
+export const name = 'help'
+export const commands = [
+  {
+    name: 'help',
+    description: 'Shows info and usage details of a given command',
+    examples: ['s.help help'],
+    minArgs: 1,
+    maxArgs: 1,
+    run: help
+  }
+]
diff --git a/scepter.ts b/scepter.ts
index 3a050ae..b215031 100644
--- a/scepter.ts
+++ b/scepter.ts
@@ -48,7 +48,7 @@ if (!process.env.SCEPTER_DISCORD_TOKEN) {
 client.login(process.env.SCEPTER_DISCORD_TOKEN)
       .catch(console.error)
 
-type Command = {
+export type Command = {
   name: string,
   description: string,
   examples: string[],