ensure destroy events can not be used

internal/configs/action.go

@@ -106,6 +106,16 @@ func decodeActionTriggerBlock(block *hcl.Block) (*ActionTrigger, hcl.Diagnostics
 					Subject:  expr.Range().Ptr(),
 				})
 			}
+
+			if event == BeforeDestroy || event == AfterDestroy {
+				diags = append(diags, &hcl.Diagnostic{
+					Severity: hcl.DiagError,
+					Summary:  "Invalid destroy event used",
+					Detail:   "The destroy events (before_destroy, after_destroy) are not supported as of right now. They will be supported in a future release.",
+					Subject:  expr.Range().Ptr(),
+				})
+			}
+
 			events = append(events, event)
 		}
 		a.Events = events

internal/configs/module_merge_test.go

@@ -418,5 +418,5 @@ func TestModuleOverride_action_and_trigger(t *testing.T) {
 
 	// verify the resource action trigger event changed
 	at := mod.ManagedResources["test_instance.test"].Managed.ActionTriggers[0]
-	assertResultDeepEqual(t, at.Events, []ActionTriggerEvent{AfterDestroy})
+	assertResultDeepEqual(t, at.Events, []ActionTriggerEvent{BeforeCreate})
 }

internal/configs/testdata/valid-modules/override-action-and-trigger/main_override.tf

@@ -7,7 +7,7 @@ action "test_action" "test" {
 resource "test_instance" "test" {
     lifecycle {
       action_trigger {
-        events = [after_destroy]
+        events = [before_create]
         actions = [action.test_action.dosomething]
       }
     }