i did some stuff, honestly it starts to build pretty well if i might sayy

src/api/mod.rs

@@ -4,9 +4,23 @@ pub mod map_actions;
 
 use serde::{Deserialize, Serialize};
 
-#[derive(Serialize, Deserialize)]
-pub struct ResultBase<T: Serialize> {
-    pub success: bool,
-    pub fail_reason: Option<String>,
-    pub data: Option<T>
+#[derive(Serialize, Deserialize, Default, Debug)]
+#[serde(rename_all = "snake_case")]
+pub enum Request {
+    #[default]
+    Error,
+    Login(login::LoginRequest)
+}
+#[derive(Serialize)]
+#[serde(rename_all = "snake_case")]
+pub enum Response {
+    Error(RequestError),
+    Login(login::LoginResult)
+}
+
+#[derive(Serialize, Debug)]
+#[serde(rename_all = "snake_case")]
+pub enum RequestError {
+    InvalidRequest,
+    AlreadyLoggedIn,
 }