Use the remaining wait time in the registration delay message.

Closes #452.

language/anope.en_US.po

@@ -7081,10 +7081,6 @@ msgstr ""
 msgid "You must confirm your account before you may send a memo."
 msgstr ""
 
-#, c-format
-msgid "You must have been using this nick for at least %lu seconds to register."
-msgstr ""
-
 #, c-format
 msgid "You must have the %s(ME) privilege on the channel to use this command."
 msgstr ""
@@ -7095,6 +7091,10 @@ msgid ""
 "case you forget it."
 msgstr ""
 
+#, c-format
+msgid "You must wait %s before registering your nick."
+msgstr ""
+
 msgid "You need to be identified to use this command."
 msgstr ""
 

modules/nickserv/ns_register.cpp

@@ -154,8 +154,9 @@ public:
 		time_t reg_delay = Config->GetModule("nickserv")->Get<time_t>("regdelay");
 		if (u && !u->HasMode("OPER") && nickregdelay && Anope::CurTime - u->timestamp < nickregdelay)
 		{
-			source.Reply(_("You must have been using this nick for at least %lu seconds to register."),
-				(unsigned long)nickregdelay);
+			auto waitperiod = (u->timestamp + nickregdelay) -  Anope::CurTime;
+			source.Reply(_("You must wait %s before registering your nick."),
+				Anope::Duration(waitperiod, source.GetAccount()).c_str());
 			return;
 		}