feat: send messages over Helix by default (#5607)

CHANGELOG.md

@@ -92,6 +92,7 @@
 - Dev: Refactored `static`s in headers to only be present once in the final app. (#5588)
 - Dev: Refactored legacy Unicode zero-width-joiner replacement. (#5594)
 - Dev: The JSON output when copying a message (<kbd>SHIFT</kbd> + right-click) is now more extensive. (#5600)
+- Dev: Twitch messages are now sent using Twitch's Helix API instead of IRC by default. (#5607)
 
 ## 2.5.1
 

src/providers/twitch/TwitchIrcServer.cpp

@@ -132,14 +132,14 @@ bool shouldSendHelixChat()
 {
     switch (getSettings()->chatSendProtocol)
     {
+        case ChatSendProtocol::Default:
         case ChatSendProtocol::Helix:
             return true;
-        case ChatSendProtocol::Default:
         case ChatSendProtocol::IRC:
             return false;
         default:
             assert(false && "Invalid chat protocol value");
-            return false;
+            return true;
     }
 }
 

src/providers/twitch/api/Helix.cpp

@@ -9,6 +9,7 @@
 
 #include <magic_enum/magic_enum.hpp>
 #include <QJsonDocument>
+#include <QStringBuilder>
 
 namespace {
 
@@ -3015,8 +3016,13 @@ void Helix::sendChatMessage(
             }
 
             const auto obj = result.parseJson();
-            auto message =
-                obj["message"].toString(u"Twitch internal server error"_s);
+            auto message = obj["message"].toString();
+
+            if (message.isEmpty())
+            {
+                message = u"Twitch internal server error (" %
+                          result.formatError() % ')';
+            }
 
             switch (*result.status())
             {