default impl self-written + config preboot param check fixed

noxis-rs/src/options/preboot.rs

@@ -38,16 +38,34 @@ impl std::fmt::Display for EnvVars {
     }
 }
 
-impl Default for EnvVars {
-    fn default() {
-        todo!()
-    //     setting default env vars values if not exists
+// impl<'a> Default for EnvVars {
+//     fn default() -> &'a str {
+//         todo!()
+//         // setting default env vars values if not exists
+//     }
+// }
+
+impl<'a> EnvVars {
+    // Default trait func is not satisfying this issue
+    fn default(self) -> &'a str {
+        match self {
+            EnvVars::NoxisNoHagent => "false",
+            EnvVars::NoxisNoLogs => "false",
+            EnvVars::NoxisRefreshLogs => "false",
+            EnvVars::NoxisNoRemoteConfig => "false",
+            EnvVars::NoxisNoConfigSub => "false",
+            EnvVars::NoxisSocketPath => "/var/run/enode/hostagent.sock",
+            EnvVars::NoxisLogTo => "./",
+            EnvVars::NoxisRemoteServerUrl => "localhost",
+            EnvVars::NoxisConfig => "./settings.json",
+            EnvVars::NoxisMetrics => "NOXIS_METRICS",
+        }
     }
-}
-
-impl EnvVars {
     fn setup() {
+        // setup default if not exists
 
+        //  check values and save preboot states in env vars if not equal
+        todo!()
     }
 }
 
@@ -256,6 +274,10 @@ impl PrebootParams {
         // existing sock file
         if !self.config.exists() {
             eprintln!("Error: Invalid character in config file. Config path was set to default");
+            let config = PathBuf::from("/etc/settings.json");
+            if !config.exists() && self.no_remote_config {
+                return Err(Error::msg("Noxis cannot run without config. Create local config or enable remote-config mechanism"));
+            }
             self.config = PathBuf::from("settings.json");
             // return Err(Error::msg("Local Config Not Found or Noxis can't read it. Cannot start"));
         }