Optimise daemon action behaviour

sfsmcctl/src/main.rs

@@ -48,7 +48,34 @@ impl<'proxy> NativeObject<'proxy> {
             // _ => Self::no_path("start", self)
         };
 
-        proxy.method_call(iface_name("Service"), "Start", ()).await
+        if proxy.path != dbus::Path::new("/").unwrap() && !Self::new(proxy.connection.clone(), "/").is_running().await {
+            return Err(Error::new_failed("Service is not running"))
+        }
+
+        match proxy.method_call(iface_name("Service"), "Start", ()).await {
+            Err(err)
+                if proxy.path == dbus::Path::new("/").unwrap()
+                && err.name() == Some("org.freedesktop.DBus.Error.ServiceUnknown")
+            => {
+                #[cfg(debug_assertions)]
+                let args = format!("start sfsmc-debug@{}", std::env::current_dir()
+                    .map_err(|err| dbus::MethodErr::failed(&err))?
+                    .parent()
+                    .ok_or(Error::new_failed("called `Option::unwrap()` on a `None` value"))?
+                    .display()
+                );
+                #[cfg(not(debug_assertions))]
+                let args = "start sfsmc".to_owned();
+                tokio::process::Command::new("systemctl")
+                    .args(args.split_whitespace())
+                    .spawn()
+                    .map_err(|err| dbus::MethodErr::failed(&err))?
+                    .await
+                    .map(|_| ())
+                    .map_err(|err| dbus::MethodErr::failed(&err).into())
+            },
+            res => res
+        }
     }
 
     pub async fn stop(&self) -> Result<(), Error> {
@@ -175,7 +202,6 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     // Get a proxy connection to the daemon
     let object = NativeObject::new(c, path);
 
-    // TODO:
     // Perform operations
     let res = match action {
         "start" => object.start().await,