throw error on invalid id name

.gitignore

@@ -11,3 +11,4 @@ scripts/cleanup.sh
 support/Dockerfile
 version.cpp
 version.rc
+monitarr.json

monitarr/libmonitarr/src/actions.cpp

@@ -164,15 +164,40 @@ auto load_config(std::string &cfg_file) -> app_config {
     cfg.save(cfg_file);
   }
 
-  auto iter = std::ranges::adjacent_find(
+  if (cfg.server_list.empty()) {
-      cfg.server_list,
+    return cfg;
-      [](auto &&srv1, auto &&srv2) -> bool { return srv1.id == srv2.id; });
+  }
-  if (iter != cfg.server_list.end()) {
+
-    throw utils::error::create_exception(function_name,
+  {
-                                         {
+    auto iter = std::ranges::adjacent_find(
-                                             "duplicate server found",
+        cfg.server_list,
-                                             iter->id,
+        [](auto &&srv1, auto &&srv2) -> bool { return srv1.id == srv2.id; });
-                                         });
+    if (iter != cfg.server_list.end()) {
+      throw utils::error::create_exception(function_name,
+                                           {
+                                               "duplicate server found",
+                                               iter->id,
+                                           });
+    }
+  }
+
+  {
+    constexpr const auto id_names{
+        std::array<std::string_view, 3U>{"lidarr", "radarr", "sonarr"},
+    };
+
+    auto iter = std::ranges::find_first_of(
+        cfg.server_list, id_names, [](auto &&data, auto &&name) -> bool {
+          return utils::string::contains(data.id, name);
+        });
+    if (iter == cfg.server_list.end()) {
+      throw utils::error::create_exception(
+          function_name,
+          {
+              "server id must contain one of the following values",
+              fmt::format("{}", id_names),
+          });
+    }
   }
 
   return cfg;