2 files changed, 25 insertions, 0 deletions
diff --git a/mumlib/src/error.rs b/mumlib/src/error.rs
new file mode 100644
index 0000000..cb88aa7
--- /dev/null
+++ b/mumlib/src/error.rs
@@ -0,0 +1,24 @@
+use serde::{Serialize, Deserialize};
+use std::fmt::Display;
+use serde::export::Formatter;
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub enum Error {
+    DisconnectedError,
+    AlreadyConnectedError,
+    InvalidChannelIdError(u32),
+    InvalidServerAddrError(String, u16),
+}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Error::DisconnectedError => write!(f, "Not connected to a server"),
+            Error::AlreadyConnectedError => write!(f, "Already connected to a server"),
+            Error::InvalidChannelIdError(id) => write!(f, "Invalid channel id: {}", id),
+            Error::InvalidServerAddrError(addr, port) => write!(f, "Invalid server address: {}:{}", addr, port),
+        }
+    }
+}
+\ No newline at end of file
diff --git a/mumlib/src/lib.rs b/mumlib/src/lib.rs
index ebf2019..b77653c 100644
--- a/mumlib/src/lib.rs
+++ b/mumlib/src/lib.rs
@@ -1,5 +1,6 @@
 pub mod command;
 pub mod state;
+pub mod error;
 
 use colored::*;
 use log::*;