diff --git a/src/main.rs b/src/main.rs
index b3cc2ae..3486347 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,28 +14,16 @@ use {log, pretty_env_logger};
 
 use crate::jsonrpc::RpcClient;
 
-const CHANNEL: &str = "#hackens-signal";
-const MEDIA_DIR: &str = "./www";
-const SIGNALCLI_DIR: &str = "./.config";
-const SOCKET: &str = "./socket";
-const URL_ROOT: &str = "https://hackens.org/irc-bridge/";
-
 #[tokio::main]
 async fn main() -> Result<(), String> {
     pretty_env_logger::init();
     log::info!("Starting...");
-    // TODO: load config at runtime and add consts inside
-    let config = Config {
-        nickname: Some("bottest".to_owned()),
-        server: Some("ulminfo.fr".to_owned()),
-        channels: vec![CHANNEL.to_owned()],
-        use_tls: Some(true),
-        ..Config::default()
-    };
+    let config = Config::load("./config.toml").map_err(|e| format!("Error while loading config: {e}"))?;
+    check_config(&config);
 
     // Initialisation of components. TODO separate module
     let init_irc = async {
-        let mut client = Client::from_config(config).await.unwrap();
+        let mut client = Client::from_config(config.clone()).await.unwrap();
         client.identify().unwrap();
 
         let sender = client.sender();
@@ -55,7 +43,7 @@ async fn main() -> Result<(), String> {
     let init_signal = async {
         log::debug!("Initializing Signal");
 
-        let signal_client = jsonrpc::connect_unix(SOCKET)
+        let signal_client = jsonrpc::connect_unix(config.options.get("socket").unwrap())
             .await
             .map_err(|e| format!("failed to connect to signal socket: {e}"))?;
         let signal_stream = signal_client.subscribe_receive(None).await.unwrap();
@@ -65,10 +53,11 @@ async fn main() -> Result<(), String> {
     let ((sender, mut stream), (mut signal_stream, signal_client)) =
         try_join(init_irc, init_signal).await?;
     let bridge = Bridge::new(
-        &Path::new(MEDIA_DIR),
-        &Path::new(SIGNALCLI_DIR),
-        URL_ROOT,
-        GROUPID,
+        &Path::new(config.options.get("media_dir").unwrap()),
+        &Path::new(config.options.get("signal_cli_dir").unwrap()),
+        &config.options.get("url_root").unwrap(),
+        &config.options.get("groupid").unwrap(),
+        &config.channels[0],
     );
 
     // Run !!
@@ -94,13 +83,13 @@ async fn handle_irc(
             .transpose()
             .map_err(|e| format!("error while retrieving messages from irc: {e}"))?
         {
-            if let Some(msg) = bridge.irc2signal(message) {
+            if let Some((groupid, msg)) = bridge.irc2signal(message) {
                 log::trace!("[SIGNAL SEND] {msg}");
                 signal_client
                     .send(
                         None,
                         vec![],
-                        vec![String::from(GROUPID)],
+                        vec![String::from(groupid)],
                         false,
                         false,
                         msg,
@@ -141,9 +130,9 @@ async fn handle_signal(
             }
             Some(Ok(val)) => {
                 log::trace!("[SIGNAL RCV] {:?}", val);
-                if let Some(msg) = bridge.signal2irc(val).await {
+                if let Some((channel, msg)) = bridge.signal2irc(val).await {
                     sender
-                        .send_privmsg(CHANNEL, msg)
+                        .send_privmsg(channel, msg)
                         .map_err(|e| format!("error while sending to irc: {e}"))?;
                 }
             }
@@ -155,3 +144,14 @@ async fn handle_signal(
         }
     }
 }
+
+fn check_config(config: &Config) -> bool {
+    let keys = vec![
+        "groupid",
+        "media_dir",
+        "signal_cli_dir",
+        "socket",
+        "url_root",
+    ];
+    keys.into_iter().fold(config.channels.len() >= 1, |b, k| b && config.options.contains_key(k))
+}
diff --git a/src/transform.rs b/src/transform.rs
index 0a1e4be..fbbd8aa 100644
--- a/src/transform.rs
+++ b/src/transform.rs
@@ -54,6 +54,7 @@ pub struct Bridge<'a> {
     signalcli_dir: &'a Path,
     url_root: &'a str,
     groupid: &'a str,
+    irc_channel: &'a str,
 }
 
 impl<'a> Bridge<'a> {
@@ -62,12 +63,14 @@ impl<'a> Bridge<'a> {
         signalcli_dir: &'a Path,
         url_root: &'a str,
         groupid: &'a str,
+        irc_channel: &'a str,
     ) -> Self {
         Self {
             media_dir,
             signalcli_dir,
             url_root,
             groupid,
+            irc_channel,
         }
     }
 
@@ -120,7 +123,7 @@ impl<'a> Bridge<'a> {
         }
     }
 
-    pub async fn signal2irc(self: &Self, signal: Value) -> Option<String> {
+    pub async fn signal2irc(self: &Self, signal: Value) -> Option<(&str, String)> {
         let mut result: SignalMessageBuilder = SignalMessageBuilder::default();
         if let Value::Object(map) = signal {
             if let Some(Value::Object(envelope)) = map.get("envelope") {
@@ -137,18 +140,18 @@ impl<'a> Bridge<'a> {
                 }
             }
         }
-        result.build()
+        result.build().map(|e|  (self.irc_channel, e))
     }
 
-    pub fn irc2signal(self: &Self, message: Message) -> Option<String> {
+    pub fn irc2signal(self: &Self, message: Message) -> Option<(&str, String)> {
         match (message.prefix, message.command) {
             (Some(Prefix::Nickname(from, _, _)), Command::PRIVMSG(_, message)) => {
-                return Some(format!("<{from}>: {message}"))
+                Some(format!("<{from}>: {message}"))
             }
             (Some(Prefix::Nickname(from, _, _)), Command::NOTICE(_, message)) => {
-                return Some(format!("📜 {from} {message}"))
+                Some(format!("📜 {from} {message}"))
             }
-            _ => return None,
-        }
+            _ => None,
+        }.map(|e| (self.groupid, e))
     }
 }