feat: revamp the chat panel ui (#7)

Reviewed-on: #7

crates/state/src/signer.rs

@@ -8,11 +8,15 @@ use smol::lock::RwLock;
 
 #[derive(Debug)]
 pub struct CoopSigner {
+    /// User's signer
     signer: RwLock<Arc<dyn NostrSigner>>,
 
-    /// Signer's public key
+    /// User's signer public key
     signer_pkey: RwLock<Option<PublicKey>>,
 
+    /// Specific signer for encryption purposes
+    encryption_signer: RwLock<Option<Arc<dyn NostrSigner>>>,
+
     /// Whether coop is creating a new identity
     creating: AtomicBool,
 
@@ -30,6 +34,7 @@ impl CoopSigner {
         Self {
             signer: RwLock::new(signer.into_nostr_signer()),
             signer_pkey: RwLock::new(None),
+            encryption_signer: RwLock::new(None),
             creating: AtomicBool::new(false),
             owned: AtomicBool::new(false),
         }
@@ -40,6 +45,11 @@ impl CoopSigner {
         self.signer.read().await.clone()
     }
 
+    /// Get the encryption signer.
+    pub async fn get_encryption_signer(&self) -> Option<Arc<dyn NostrSigner>> {
+        self.encryption_signer.read().await.clone()
+    }
+
     /// Get public key
     pub fn public_key(&self) -> Option<PublicKey> {
         self.signer_pkey.read_blocking().to_owned()
@@ -64,6 +74,7 @@ impl CoopSigner {
         let public_key = new_signer.get_public_key().await.ok();
         let mut signer = self.signer.write().await;
         let mut signer_pkey = self.signer_pkey.write().await;
+        let mut encryption_signer = self.encryption_signer.write().await;
 
         // Switch to the new signer
         *signer = new_signer;
@@ -71,9 +82,21 @@ impl CoopSigner {
         // Update the public key
         *signer_pkey = public_key;
 
+        // Reset the encryption signer
+        *encryption_signer = None;
+
         // Update the owned flag
         self.owned.store(owned, Ordering::SeqCst);
     }
+
+    /// Set the encryption signer.
+    pub async fn set_encryption_signer<T>(&self, new: T)
+    where
+        T: IntoNostrSigner,
+    {
+        let mut encryption_signer = self.encryption_signer.write().await;
+        *encryption_signer = Some(new.into_nostr_signer());
+    }
 }
 
 impl NostrSigner for CoopSigner {