WIP improve config loading

src/conf.rs

 use crate::*;
 use serde::{Deserialize, Serialize};
 
+const APP_NAME: &str = "gcli";
+
 #[derive(Serialize, Deserialize, Debug)]
 pub struct Config {
-	version: u8,
+    duniter_endpoint: String,
+    indexer_endpoint: String,
 }
 
 impl std::default::Default for Config {
 	fn default() -> Self {
 		Self {
-			version: 0,
+            duniter_endpoint: String::from("ws://localhost:9944"),
+            indexer_endpoint: String::from("http://localhost:8080/v1/graphql"),
 		}
 	}
 }
 
+/// load config file and manage error if could not
+pub fn load_conf() -> Config {
+    match confy::load(APP_NAME, None) {
+        Ok(cfg) => cfg,
+        Err(e) => {
+            log::warn!("met error while loading config file");
+            log::error!("{}", e);
+            log::info!("removing the old conf file and creating a new one");
+            let cfg = Config::default();
+            confy::store(APP_NAME, None, &cfg).expect("unable to write default config");
+            cfg
+        }
+    }
+}
 
 #[derive(Clone, Default, Debug, clap::Parser)]
 pub enum Subcommand {
 	#[default]
+    /// Show config path
+    Where,
 	/// Show config
 	Show,
 }
 
+/// handle conf command
 pub fn handle_command(data: Data, command: Subcommand) -> anyhow::Result<()> {
 	// match subcommand
 	match command {
-		Subcommand::Show => {
+		Subcommand::Where => {
+            println!("{}", confy::get_configuration_file_path(APP_NAME, None)?.display());
+        }
+            Subcommand::Show => {
 			println!("{:?}", data.cfg);
 		}
 	};

src/data.rs

@@ -45,7 +45,7 @@ impl Data {
 	pub fn new(args: Args) -> Self {
 		Self {
 			args,
-			cfg: confy::load("gcli", None).expect("must be able to build config"),
+			cfg: conf::load_conf(),
 			token_decimals: 0,
 			token_symbol: "tokens".into(),
 			..Default::default()

src/main.rs

@@ -75,8 +75,8 @@ pub struct Args {
 	/// Subcommands
 	#[clap(subcommand)]
 	pub subcommand: Subcommand,
-	/// Indexer URL
-	#[clap(short, long, default_value = "http://localhost:8080/v1/graphql")]
+	/// Overwrite indexer endpoint
+	#[clap(short, long, default_value = "")]
 	indexer: String,
 	/// Do not use indexer
 	#[clap(long)]
@@ -91,8 +91,8 @@ pub struct Args {
 	/// Address
 	#[clap(short, long)]
 	address: Option<String>,
-	/// Websocket RPC endpoint
-	#[clap(short, long, default_value = "ws://localhost:9944")]
+	/// Overwrite duniter websocket RPC endpoint
+	#[clap(short, long, default_value = "")]
 	url: String,
 }