chore: init work cli gui creation options

cli/src/core/enums.py

@@ -13,3 +13,8 @@ class IOC_ENV(str, Enum):
     def __str__(self) -> str:
         return self.value
 
+
+class GuiOption(str, Enum):
+    NEW = "new"
+    EXISTING = "existing"
+    NONE = "none"

cli/src/core/service_creator.py

@@ -30,7 +30,7 @@ class ServiceCreator:
         name: str,
         ioc_owner: str,
         ioc_description: str,
-        ui_filename: str,
+        ui_filename: str | None,
     ):
         self.repo_manager.assert_clean_repo()
         original_branch = self.repo_manager.get_active_branch_name()
@@ -41,9 +41,10 @@ class ServiceCreator:
         self.ctx.master_hla_names.add_hla_name(service.name_upper)
         self.ctx.iocs_overview.add_ioc(service, description=ioc_description)
         self.ctx.master_ioc_subs.update_content(service_name=service.name_upper)
-        self.ctx.service_manager_ui.update_xml(
-            service=service, service_name_camel=service.name_camel, ui_filename=ui_filename
-        )
+        if ui_filename:
+            self.ctx.service_manager_ui.update_xml(
+                service=service, service_name_camel=service.name_camel, ui_filename=ui_filename
+            )
 
         branch_name = f"feature/add-service-{service.dir_name}"
         self.repo_manager.delete_local_branch(branch_name)
@@ -90,14 +91,15 @@ class ServiceCreator:
                 "ioc_owner": ioc_owner,
             },
         )
-        copier.run_copy(
-            src_path=str(QT_TEMPLATES_DIR),
-            dst_path=str(self.ctx.write_paths.qt_dir),
-            data={
-                "service_name_upper": service.name_upper,
-                "ui_filename": ui_filename,
-            },
-        )
+        if ui_filename:
+            copier.run_copy(
+                src_path=str(QT_TEMPLATES_DIR),
+                dst_path=str(self.ctx.write_paths.qt_dir),
+                data={
+                    "service_name_upper": service.name_upper,
+                    "ui_filename": ui_filename,
+                },
+            )
 
     def _generate_uv_lock(self, service: Service):
         """

cli/src/service.py

@@ -2,6 +2,7 @@ import typer
 
 from agebd.utils import get_git_root, init_logging
 from config.paths import Paths
+from core.enums import GuiOption
 from core.git import GitRepoManager
 from core.service_creator import ServiceCreator
 from models import ServiceRegistry
@@ -38,14 +39,28 @@ def add(
         "-d",
         help="See <repo-root>/docs/user/ioc/iocs_overview.md for examples",
     ),
-    ui_filename: str = typer.Option(
-        ...,
+    gui: GuiOption = typer.Option(
+        GuiOption.NEW,
+        "--gui",
+        "-g",
+        help="By default, a new GUI is created. You can specificy if a GUI already exists, "
+        "and this service should use that GUI, or if no GUI is needed for this service",
+    ),
+    ui_filename: str | None = typer.Option(
+        None,
         "--ui-filename",
         "-f",
-        help="The <ui-filename> in 'A_BD_<ui-filename>.ui'; See <repo-root>/qt/A_BD_ServiceManager.ui for examples",
+        help="If '--gui=existing', specify the name of the service (in CamelCase) whose UI this service should use",
     ),
 ):
     init_logging()
+    if gui == GuiOption.EXISTING:
+        ui_filename = ui_filename
+    elif gui == GuiOption.NONE:
+        ui_filename = None
+    elif gui == GuiOption.NEW:
+        ui_filename = name
+
     ctx = ServicesContext.load_from_disk(Paths())
     service_creator = ServiceCreator(ctx=ctx, repo_manager=GitRepoManager(REPO_ROOT))
     service_creator.add_service(