Update docs

docs/events.md

@@ -596,18 +596,21 @@ Not all of these options will be available. Some will be missing depending on th
 
 **whowas**
 
-The response includes the latest known data.
-If more than one RPL_WHOWASUSER is returned by the server, older ones
-are stored in the same format in the 'historical' array from newest to oldest.
+The response root includes the latest data `historical[0]` to maintain backwards compatibility.
+The `historical` array contains all RPL_WHOWASUSER responses with the newest being first.
+
+If the requested user was not found, `error` will contain 'no_such_nick'.
+
+> Note: The available data can vary depending on the network.
 
-If the requested user was not found, error will contain 'no_such_nick'.
 ~~~javascript
 {
     nick: 'prawnsalad',
     ident: 'prawn',
     hostname: 'manchester.isp.net',
     actual_ip: 'sometimes set when using webirc, could be the same as actual_hostname',
     actual_hostname: 'sometimes set when using webirc',
+    actual_username: 'prawn',
     real_name: 'A real prawn',
     server: 'irc.server.net',
     server_info: 'Thu Jun 14 09:15:51 2018',

src/commands/handlers/user.js

@@ -362,8 +362,8 @@ const handlers = {
         const host = user_host.substring(mask_sep + 1);
 
         if (host) {
-            cache.actual_user = user;
-            cache.actual_host = host;
+            cache.actual_username = user;
+            cache.actual_username = host;
         }
     },
 
@@ -392,12 +392,6 @@ const handlers = {
         const event = _.cloneDeep(whowas_cache.historical[0]);
         event.historical = whowas_cache.historical;
 
-        // Should, in theory, never happen.
-        if (!event.nick) {
-            event.nick = command.params[1];
-            event.error = 'no_such_nick';
-        }
-
         handler.emit('whowas', event);
         whois_cache.destroy();
         whowas_cache.destroy();