fixes

src/app/mod.rs

@@ -25,6 +25,9 @@ pub struct App {
     pub folders: Vec<String>,
     pub selected_folder: usize,
     pub is_loading: bool,
+    // Search state
+    pub is_searching: bool,
+    pub search_query: String,
 }
 
 impl App {
@@ -49,6 +52,8 @@ impl App {
             folders: vec!["All".to_string()],
             selected_folder: 0,
             is_loading: true,
+            is_searching: false,
+            search_query: String::new(),
         }
     }
 
@@ -115,4 +120,80 @@ impl App {
         self.selected_chat_id
             .and_then(|id| self.chats.iter().find(|c| c.id == id))
     }
+
+    pub fn start_search(&mut self) {
+        self.is_searching = true;
+        self.search_query.clear();
+    }
+
+    pub fn cancel_search(&mut self) {
+        self.is_searching = false;
+        self.search_query.clear();
+        self.chat_list_state.select(Some(0));
+    }
+
+    pub fn get_filtered_chats(&self) -> Vec<&ChatInfo> {
+        if self.search_query.is_empty() {
+            self.chats.iter().collect()
+        } else {
+            let query = self.search_query.to_lowercase();
+            self.chats
+                .iter()
+                .filter(|c| {
+                    // Поиск по названию чата
+                    c.title.to_lowercase().contains(&query) ||
+                    // Поиск по username (@...)
+                    c.username.as_ref()
+                        .map(|u| u.to_lowercase().contains(&query))
+                        .unwrap_or(false)
+                })
+                .collect()
+        }
+    }
+
+    pub fn next_filtered_chat(&mut self) {
+        let filtered = self.get_filtered_chats();
+        if filtered.is_empty() {
+            return;
+        }
+        let i = match self.chat_list_state.selected() {
+            Some(i) => {
+                if i >= filtered.len() - 1 {
+                    0
+                } else {
+                    i + 1
+                }
+            }
+            None => 0,
+        };
+        self.chat_list_state.select(Some(i));
+    }
+
+    pub fn previous_filtered_chat(&mut self) {
+        let filtered = self.get_filtered_chats();
+        if filtered.is_empty() {
+            return;
+        }
+        let i = match self.chat_list_state.selected() {
+            Some(i) => {
+                if i == 0 {
+                    filtered.len() - 1
+                } else {
+                    i - 1
+                }
+            }
+            None => 0,
+        };
+        self.chat_list_state.select(Some(i));
+    }
+
+    pub fn select_filtered_chat(&mut self) {
+        let filtered = self.get_filtered_chats();
+        if let Some(i) = self.chat_list_state.selected() {
+            if let Some(chat) = filtered.get(i) {
+                self.selected_chat_id = Some(chat.id);
+                self.cancel_search();
+            }
+        }
+    }
 }