diff --git a/tui/.gitignore b/tui/.gitignore
index 2f7896d..9fbc864 100644
--- a/tui/.gitignore
+++ b/tui/.gitignore
@@ -1 +1,2 @@
 target/
+tmp/
diff --git a/tui/src/cache.rs b/tui/src/cache.rs
index 0781dec..5d63c7c 100644
--- a/tui/src/cache.rs
+++ b/tui/src/cache.rs
@@ -46,13 +46,25 @@ impl Default for Cache {
 
 impl Cache {
     pub async fn switch_channel(&mut self, id: u64) -> Command {
-        todo!()
+        if let Some(host) = self.active_server.as_ref() {
+            Command::Failure(format!("Not implemented yet!"))
+        } else {
+            Command::Failure(format!("No server selected yet"))
+        }
     }
     pub async fn switch_server(&mut self, host: &str) -> Command {
-        todo!()
+        if let Some(srv_cache) = self.servers.get(host) {
+            Command::Failure(format!("Not implemented yet!"))
+        } else {
+            Command::Failure(format!("Host {{ {} }} not found", host))
+        }
     }
 
     pub async fn send_message(&mut self, id: &str) -> Command {
-        todo!()
+        if let Some(host) = self.active_server.as_ref() {
+            Command::Failure(format!("Not implemented yet!"))
+        } else {
+            Command::Failure(format!("No active server+channel to send message to"))
+        }
     }
 }
diff --git a/tui/src/command.rs b/tui/src/command.rs
index 9b673fe..9e315b2 100644
--- a/tui/src/command.rs
+++ b/tui/src/command.rs
@@ -10,7 +10,7 @@ pub enum Command {
     // Send regular message
     Message(String),
     // Command that failed with some message
-    Failure(&'static str),
+    Failure(String),
 }
 
 impl Command {
@@ -46,19 +46,19 @@ impl Command {
         if s.starts_with("/chan") {
             match Command::parse_chan_id(s.as_ref()) {
                 Some(id) => Command::Channel(id),
-                None => Command::Failure("no valid id(u64) provided")
+                None => Command::Failure("no valid id(u64) provided".into())
             }
         } else if s.starts_with("/serv") {
             match Command::parse_hostname(s.as_ref()) {
                 Some(hostname) => Command::Server(hostname),
-                None => Command::Failure("no hostname provided")
+                None => Command::Failure("no hostname provided".into())
             }
         } else if s.starts_with("/help") {
             Command::Help
         }
         else {
             if s.starts_with("/") {
-                Command::Failure("command not found")
+                Command::Failure("command not found".into())
             } else {
                 Command::Message(s.into())
             }
@@ -87,7 +87,7 @@ impl Command {
             ]),
             Failure(msg) => Spans::from(vec![
                 Span::styled("! error ", Style::default().add_modifier(Modifier::BOLD)),
-                Span::raw(*msg)
+                Span::raw(msg)
             ])
         }
     }