command help

src/Help.ts

@@ -16,24 +16,58 @@ class HelpMessage extends Command {
             usage: params.usage,
             permissions: 0,
             description: params.description,
-            function: () => {
+            function: (m, a) => {
                 const helpMsg = new MessageEmbed()
+                helpMsg.setColor(params.color);
+                helpMsg.setTimestamp();
+                helpMsg.setFooter(botName || '');
                 if(helpMsg != null) {
-                    helpMsg.setColor(params.color);
-                    helpMsg.setDescription(params.bottomText);
-                    helpMsg.setTimestamp();
-                    helpMsg.setTitle(params.title);
-                    helpMsg.setFooter(botName || '');
-
-                    cmdManager.list.map((c) => {
-                        if(c.visible) {
-                            helpMsg.addField(
-                                `${prefix}${c.name} ${c.usage}`,
-                                c.description,
-                                false
-                            )
+                    if(a && a[0]) {
+                        const cmd: Command | null = cmdManager.get(a[0], 'ALL');
+                        if(cmd) {
+                            helpMsg.setTitle(`${cmd.name} ${cmd.visible ? '' : '[HIDDEN]'}`);
+                            helpMsg.setDescription(cmd.description);
+                            if(cmd.usage) helpMsg.addField('Usage:', `${prefix}${cmd.name} ${cmd.usage}`, false);
+                            if(cmd.permissions) {
+                                let permList: string = '';
+                                cmd.permissions.toArray(false).map(p => {
+                                    permList += p + '\n';
+                                });
+                                helpMsg.addField('Permissions:', permList, false);
+                            }
+                            if(cmd.aliases) {
+                                let aList: string = '';
+                                cmd.aliases.map(a => {
+                                    aList += a + '\n'; 
+                                });
+                                helpMsg.addField('Aliases:', aList, false);
+                            }
+                            if(cmd.keywords) {
+                                let kwrdList: string = '';
+                                cmd.keywords.map(k => {
+                                    kwrdList += k + '\n';
+                                });
+                                helpMsg.addField('Keywords:', kwrdList, false);
+                            }
                         }
-                    });
+                        else {
+                            throw new ReferenceError(`Command "${a[0]}" does not exist`);
+                        }
+                    }
+                    else {
+                        helpMsg.setTitle(params.title);
+                        helpMsg.setDescription(params.bottomText);
+
+                        cmdManager.list.map((c) => {
+                            if(c.visible) {
+                                helpMsg.addField(
+                                    `${prefix}${c.name} ${c.usage}`,
+                                    c.description,
+                                    false
+                                )
+                            }
+                        });
+                    }
                 }
                 return helpMsg;
             }