implement attachChannelToCastEvent fn for channeling normalizer

src/parser/shared/normalizers/Channeling.ts

@@ -252,9 +252,71 @@ export function endCurrentChannel(event: AnyEvent, channelState: ChannelState) {
     trigger: event,
   };
   channelState.eventsInserter.addAfterEvent(endChannel, event);
+
+  attachChannelToCastEvent(endChannel);
+
   channelState.unresolvedChannel = null;
 }
 
+/**
+ * Attempts to attach the endChannel event to the associated cast event
+ * If the endChannel trigger isn't a cast event, eg. the endChannel was triggered by a debuff event,
+ * we try to see if the beginChannel trigger was a cast event and attach it to that one
+ */
+export function attachChannelToCastEvent(endChannelEvent: EndChannelEvent) {
+  const triggerEvent = endChannelEvent.trigger;
+
+  // Shouldn't be able to happen but just incase
+  if (!triggerEvent) {
+    console.log(
+      'Channeling normalizer tried to attach endChannelEvent to cast event, but no trigger event for endChannel was found!',
+      endChannelEvent,
+    );
+    return;
+  }
+
+  if (triggerEvent.type === EventType.Cast) {
+    if (triggerEvent.ability.guid !== endChannelEvent.ability.guid) {
+      // Potential bail out here ?
+      console.log(
+        'Channeling normalizer found mismatching abilities when trying to attach endChannelEvent to cast event',
+        endChannelEvent,
+      );
+    }
+
+    triggerEvent.channel = endChannelEvent;
+    return;
+  }
+
+  const beginChannelTrigger = endChannelEvent.beginChannel.trigger;
+
+  if (!beginChannelTrigger) {
+    console.log(
+      'Channeling normalizer tried to attach endChannelEvent to cast event, but no trigger event for beginChannel was found!',
+      endChannelEvent,
+    );
+    return;
+  }
+
+  if (beginChannelTrigger.type === EventType.Cast) {
+    if (beginChannelTrigger.ability.guid !== endChannelEvent.ability.guid) {
+      // Potential bail out here ?
+      console.log(
+        'Channeling normalizer found mismatching abilities when trying to attach endChannelEvent to cast event',
+        endChannelEvent,
+      );
+    }
+
+    beginChannelTrigger.channel = endChannelEvent;
+    return;
+  }
+
+  console.log(
+    'Channeling normalizer tried to attach endChannelEvent to cast event, but was unable to find it.',
+    endChannelEvent,
+  );
+}
+
 /**
  * Cancels the current channel (if there is one), and updates the channel state appropriately
  * @param channelState the current channel state