Migrate to React Router

frontend/src/App.tsx

@@ -1,50 +1,47 @@
-import { MINIMUM_WIDTH } from "./pages/app/core/config";
+import { BrowserRouter, Routes, Route, Navigate } from "react-router-dom";
-import { isElectron } from "./pages/app/electron/electron";
 import { ElectronTitleBar } from "./pages/app/ui/components/Electron";
-import useWindowSize from "./pages/app/ui/hooks/useWindowSize";
-import ChatScreen from "./pages/app/ui/screen/ChatScreen";
-import DownloadAppScreen from "./pages/app/ui/screen/DownloadAppScreen";
-import LoginScreen from "./pages/app/ui/screen/LoginScreen";
-import RegisterScreen from "./pages/app/ui/screen/RegisterScreen";
 import { useAppState } from "./pages/app/ui/state";
-import { useEffect } from "react";
+import { useEffect, useState } from "react";
+import LoginPage from "./pages/LoginPage";
+import RegisterPage from "./pages/RegisterPage";
+import ChatPage from "./pages/ChatPage";
+import NotFoundPage from "./pages/NotFoundPage";
+import ProtectedRoute from "./pages/ProtectedRoute";
+import { isElectron } from "./pages/app/electron/electron";
+import { MINIMUM_WIDTH } from "./pages/app/core/config";
+import useWindowSize from "./pages/app/ui/hooks/useWindowSize";
 
 export default function App() {
-    const { currentPage, restoreUserFromStorage } = useAppState();
+    const { restoreUserFromStorage } = useAppState();
     const { width } = useWindowSize();
+    const [authReady, setAuthReady] = useState(false);
 
     // Restore user from localStorage on app initialization
     useEffect(() => {
-        restoreUserFromStorage();
+        restoreUserFromStorage().finally(() => {
+            setAuthReady(true);
+        });
     }, [restoreUserFromStorage]);
 
-    if (!isElectron && width < MINIMUM_WIDTH) {
+    return authReady && (
-        return <DownloadAppScreen />
+        <BrowserRouter>
-    }
+            {!isElectron && width < MINIMUM_WIDTH && <Navigate to="/download-app" replace />}
-
-    let page = <LoginScreen />;
-
-    switch (currentPage) {
-        case "login": {
-            page = <LoginScreen />
-            break;
-        }
-        case "register": {
-            page = <RegisterScreen />
-            break;
-        }
-        case "chat": {
-            page = <ChatScreen />
-            break;
-        }
-    }
-
-    return (
-        <>
             <ElectronTitleBar />
             <div id="main-wrapper">
-                {page}
+                <Routes>
+                    <Route path="/" element={<Navigate to="/login" replace />} />
+                    <Route path="/login" element={<LoginPage />} />
+                    <Route path="/register" element={<RegisterPage />} />
+                    <Route path="/">
+                        <Route path="chat" element={
+                            <ProtectedRoute>
+                                <ChatPage />
+                            </ProtectedRoute>
+                        } />
+                    </Route>
+                    <Route path="*" element={<NotFoundPage />} />
+                </Routes>
             </div>
-        </>
+        </BrowserRouter>
     )
 }

frontend/src/main.tsx

@@ -5,7 +5,7 @@
  * @version 1.0.0
  */
 
-import './resources/css/style.scss';
+import './pages/app/resources/css/style.scss';
 import "mdui/mdui.css";
 
 import "./pages/app/utils/material";

frontend/src/pages/ChatPage.tsx

@@ -0,0 +1,13 @@
+import { LeftPanel } from "./app/ui/components/chat/LeftPanel";
+import { RightPanel } from "./app/ui/components/chat/RightPanel";
+
+export default function ChatPage() {
+    return (
+        <div id="chat-interface">
+            <div className="all-container">
+                <LeftPanel />
+                <RightPanel />
+            </div>
+        </div>
+    );
+}

frontend/src/pages/DownloadAppPage.tsx

@@ -0,0 +1,25 @@
+export default function DownloadAppPage() {
+    return (
+        <div className="download-app-screen">
+            <div className="inner">
+                <h1>Чтобы пользоваться мессенджером, скачайте приложение</h1>
+                <p>
+                    Этот сайт <b>не предназначен</b> для работы на маленьких экранах, поэтому
+                    вам нужно скачать приложение мессенджера.
+                </p>
+
+                <a href="https://github.com/denis0001-dev/FromChat-android/releases/latest">
+                    <mdui-button>Скачать на GitHub</mdui-button>
+                </a>
+                
+                <p>
+                    Если возникнут сложности или есть вопросы, нажмите кнопку!
+                </p>
+
+                <a href="https://t.me/denis0001-dev">
+                    <mdui-button>Написать в поддержку</mdui-button>
+                </a>
+            </div>
+        </div>
+    )
+}

frontend/src/pages/LoginPage.tsx

@@ -0,0 +1,142 @@
+import { useImmer } from "use-immer";
+import { AlertsContainer, type Alert, type AlertType } from "./app/ui/components/Alerts";
+import { AuthContainer, AuthHeader } from "./app/ui/components/Auth";
+import type { ErrorResponse, LoginRequest, LoginResponse } from "./app/core/types";
+import { ensureKeysOnLogin } from "./app/auth/crypto";
+import { API_BASE_URL } from "./app/core/config";
+import { useRef } from "react";
+import type { TextField } from "mdui/components/text-field";
+import { useAppState } from "./app/ui/state";
+import { MaterialTextField } from "./app/ui/components/core/TextField";
+import { initialize, isSupported, startElectronReceiver, subscribe } from "./app/utils/push-notifications";
+import { isElectron } from "./app/electron/electron";
+import { useNavigate } from "react-router-dom";
+
+export default function LoginPage() {
+    const [alerts, updateAlerts] = useImmer<Alert[]>([]);
+    const setUser = useAppState(state => state.setUser);
+    const navigate = useNavigate();
+
+    function showAlert(type: AlertType, message: string) {
+        updateAlerts((alerts) => { alerts.push({type: type, message: message}) });
+    }
+
+    const usernameElement = useRef<TextField>(null);
+    const passwordElement = useRef<TextField>(null);
+
+    return (
+        <AuthContainer>
+            <AuthHeader icon="login" title="Добро пожаловать!" subtitle="Войдите в свой аккаунт" />
+            <div className="auth-body">
+                <AlertsContainer alerts={alerts} />
+                
+                <form
+                    onSubmit={async (e) => {
+                        e.preventDefault();
+                        
+                        const username = usernameElement.current!.value.trim();
+                        const password = passwordElement.current!.value.trim();
+                        
+                        if (!username || !password) {
+                            showAlert("danger", "Пожалуйста, заполните все поля");
+                            return;
+                        }
+                        
+                        try {
+                            const request: LoginRequest = {
+                                username: username,
+                                password: password
+                            }
+
+                            const response = await fetch(`${API_BASE_URL}/login`, {
+                                method: 'POST',
+                                headers: {
+                                    'Content-Type': 'application/json',
+                                },
+                                body: JSON.stringify(request)
+                            });
+                            
+                            if (response.ok) {
+                                const data: LoginResponse = await response.json();
+                                // Store the JWT token first
+                                setUser(data.token, data.user);
+                                
+                                // Setup keys with the token we just received
+                                try {
+                                    await ensureKeysOnLogin(password, data.token);
+                                } catch (e) {
+                                    console.error("Key setup failed:", e);
+                                }
+
+                                navigate("/chat");
+                                
+                                // Initialize notifications
+                                try {
+                                    if (isSupported()) {
+                                        const initialized = await initialize();
+                                        if (initialized) {
+                                            await subscribe(data.token);
+                                            
+                                            // For Electron, start the notification receiver
+                                            if (isElectron) {
+                                                await startElectronReceiver();
+                                            }
+                                            
+                                            console.log("Notifications enabled");
+                                        } else {
+                                            console.log("Notification permission denied");
+                                        }
+                                    } else {
+                                        console.log("Notifications not supported");
+                                    }
+                                } catch (e) {
+                                    console.error("Notification setup failed:", e);
+                                }
+                            } else {
+                                const data: ErrorResponse = await response.json();
+                                showAlert("danger", data.message || "Неверное имя пользователя или пароль");
+                            }
+                        } catch (error) {
+                            showAlert("danger", "Ошибка соединения с сервером");
+                        }
+                    }}>
+                    <MaterialTextField
+                        label="Имя пользователя"
+                        id="login-username"
+                        name="username"
+                        variant="outlined"
+                        icon="person--filled"
+                        autocomplete="username"
+                        required
+                        ref={usernameElement} />
+                    
+                    <MaterialTextField
+                        label="Пароль"
+                        id="login-password"
+                        name="password"
+                        variant="outlined"
+                        type="password"
+                        toggle-password
+                        icon="password--filled"
+                        autocomplete="current-password"
+                        required
+                        ref={passwordElement} />
+
+                    <mdui-button type="submit">Войти</mdui-button>
+                </form>
+                
+                <div className="text-center">
+                    <p>
+                        Ещё нет аккаунта? 
+                        <a
+                            href="#"
+                            className="link" 
+                            onClick={() => navigate("/register")}>
+                            Зарегистрируйтесь
+                        </a>
+                    </p>
+                </div>
+            </div>
+        </AuthContainer>
+    )
+}

frontend/src/pages/NotFoundPage.tsx

@@ -0,0 +1,36 @@
+import { useNavigate } from "react-router-dom";
+
+export default function NotFoundPage() {
+    const navigate = useNavigate();
+
+    return (
+        <div className="not-found-page">
+            <div className="not-found-container">
+                <div className="not-found-content">
+                    <div className="error-code">404</div>
+                    <h1>Страница не найдена</h1>
+                    <p>
+                        К сожалению, запрашиваемая страница не существует или была перемещена.
+                    </p>
+                    <div className="not-found-actions">
+                        <mdui-button 
+                            variant="filled" 
+                            onClick={() => navigate("/")}
+                        >
+                            На главную
+                        </mdui-button>
+                        <mdui-button 
+                            variant="outlined" 
+                            onClick={() => navigate(-1)}
+                        >
+                            Назад
+                        </mdui-button>
+                    </div>
+                </div>
+                <div className="not-found-illustration">
+                    <mdui-icon name="search_off"></mdui-icon>
+                </div>
+            </div>
+        </div>
+    );
+}

frontend/src/pages/ProtectedRoute.tsx

@@ -0,0 +1,21 @@
+import { useEffect } from "react";
+import { useAppState } from "./app/ui/state";
+import { useNavigate } from "react-router-dom";
+
+interface ProtectedRouteProps {
+    children: React.ReactNode;
+}
+
+export default function ProtectedRoute({ children }: ProtectedRouteProps) {
+    const { user } = useAppState();
+    const navigate = useNavigate();
+    
+    useEffect(() => {
+        if (!user.authToken) {
+            navigate("/login");
+            return;
+        }
+    }, [user.authToken, user.currentUser, navigate]);
+    
+    return <>{children}</>;
+}

frontend/src/pages/RegisterPage.tsx

@@ -0,0 +1,147 @@
+import { useImmer } from "use-immer";
+import { AuthContainer, AuthHeader } from "./app/ui/components/Auth";
+import { AlertsContainer, type Alert, type AlertType } from "./app/ui/components/Alerts";
+import { useRef } from "react";
+import { TextField } from "mdui/components/text-field";
+import type { ErrorResponse, RegisterRequest, LoginResponse } from "./app/core/types";
+import { API_BASE_URL } from "./app/core/config";
+import { useAppState } from "./app/ui/state";
+import { MaterialTextField } from "./app/ui/components/core/TextField";
+import { ensureKeysOnLogin } from "./app/auth/crypto";
+import { useNavigate } from "react-router-dom";
+
+export default function RegisterPage() {
+    const [alerts, updateAlerts] = useImmer<Alert[]>([]);
+    const setUser = useAppState(state => state.setUser);
+    const navigate = useNavigate();
+
+    function showAlert(type: AlertType, message: string) {
+        updateAlerts((alerts) => { alerts.push({type: type, message: message}) });
+    }
+
+    const usernameElement = useRef<TextField>(null);
+    const passwordElement = useRef<TextField>(null);
+    const confirmPasswordElement = useRef<TextField>(null);
+
+    return (
+        <AuthContainer>
+            <AuthHeader icon="person_add" title="Регистрация" subtitle="Создайте новый аккаунт" />
+            <div className="auth-body">
+                <AlertsContainer alerts={alerts} />
+                
+                <form onSubmit={async (e) => {
+                    e.preventDefault();
+                    
+                    const username = usernameElement.current!.value.trim();
+                    const password = passwordElement.current!.value.trim();
+                    const confirmPassword = confirmPasswordElement.current!.value.trim();
+                    
+                    if (!username || !password || !confirmPassword) {
+                        showAlert("danger", "Пожалуйста, заполните все поля");
+                        return;
+                    }
+                    
+                    if (password !== confirmPassword) {
+                        showAlert("danger", "Пароли не совпадают");
+                        return;
+                    }
+                    
+                    if (username.length < 3 || username.length > 20) {
+                        showAlert("danger", "Имя пользователя должно быть от 3 до 20 символов");
+                        return;
+                    }
+                    
+                    if (password.length < 5 || password.length > 50) {
+                        showAlert("danger", "Пароль должен быть от 5 до 50 символов");
+                        return;
+                    }
+                    
+                    try {
+                        const request: RegisterRequest = {
+                            username: username,
+                            password: password,
+                            confirm_password: confirmPassword
+                        }
+                
+                        const response = await fetch(`${API_BASE_URL}/register`, {
+                            method: 'POST',
+                            headers: {
+                                'Content-Type': 'application/json',
+                            },
+                            body: JSON.stringify(request)
+                        });
+                        
+                        if (response.ok) {
+                            const data: LoginResponse = await response.json();
+                            // Store the JWT token first
+                            setUser(data.token, data.user);
+                            
+                            // Setup keys with the token we just received
+                            try {
+                                await ensureKeysOnLogin(password, data.token);
+                            } catch (e) {
+                                console.error("Key setup failed:", e);
+                            }
+
+                            navigate("/chat");
+                        } else {
+                            const data: ErrorResponse = await response.json();
+                            showAlert("danger", data.message || "Ошибка при регистрации");
+                        }
+                    } catch (error) {
+                        showAlert("danger", "Ошибка соединения с сервером");
+                    }
+                }}>
+                    <MaterialTextField
+                        label="Имя пользователя" 
+                        id="register-username" 
+                        name="username" 
+                        variant="outlined"
+                        icon="person--filled"
+                        autocomplete="username"
+                        maxlength={20}
+                        counter
+                        required
+                        ref={usernameElement} />
+                    <MaterialTextField
+                        label="Пароль" 
+                        id="register-password" 
+                        name="password" 
+                        variant="outlined" 
+                        type="password" 
+                        toggle-password
+                        icon="password--filled"
+                        autocomplete="new-password"
+                        required
+                        ref={passwordElement} />
+                    <MaterialTextField
+                        label="Подтвердите пароль" 
+                        id="register-confirm-password" 
+                        name="confirm_password" 
+                        variant="outlined" 
+                        type="password" 
+                        toggle-password
+                        icon="password--filled"
+                        autocomplete="new-password"
+                        required
+                        ref={confirmPasswordElement} />
+
+                    <mdui-button type="submit">Зарегистрироваться</mdui-button>
+                </form>
+                
+                <div className="text-center">
+                    <p>
+                        Уже есть аккаунт? 
+                        <a 
+                            href="#" 
+                            id="login-link" 
+                            className="link" 
+                            onClick={() => navigate("/login")}>
+                            Войдите
+                        </a>
+                    </p>
+                </div>
+            </div>
+        </AuthContainer>
+    )
+}

frontend/src/pages/app/resources/css/_404.scss

@@ -0,0 +1,84 @@
+.not-found-page {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    min-height: 100vh;
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    padding: 2rem;
+}
+
+.not-found-container {
+    display: flex;
+    align-items: center;
+    gap: 3rem;
+    max-width: 800px;
+    width: 100%;
+    background: rgba(255, 255, 255, 0.95);
+    border-radius: 20px;
+    padding: 3rem;
+    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
+    backdrop-filter: blur(10px);
+}
+
+.not-found-content {
+    flex: 1;
+}
+
+.error-code {
+    font-size: 6rem;
+    font-weight: 900;
+    color: #667eea;
+    line-height: 1;
+    margin-bottom: 1rem;
+    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
+}
+
+.not-found-content h1 {
+    font-size: 2.5rem;
+    font-weight: 700;
+    color: #2d3748;
+    margin-bottom: 1rem;
+    line-height: 1.2;
+}
+
+.not-found-content p {
+    font-size: 1.1rem;
+    color: #718096;
+    margin-bottom: 2rem;
+    line-height: 1.6;
+}
+
+.not-found-actions {
+    display: flex;
+    gap: 1rem;
+    flex-wrap: wrap;
+}
+
+.not-found-illustration {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: #667eea;
+    opacity: 0.7;
+}
+
+@media (max-width: 768px) {
+    .not-found-container {
+        flex-direction: column;
+        text-align: center;
+        gap: 2rem;
+        padding: 2rem;
+    }
+    
+    .error-code {
+        font-size: 4rem;
+    }
+    
+    .not-found-content h1 {
+        font-size: 2rem;
+    }
+    
+    .not-found-actions {
+        justify-content: center;
+    }
+}

frontend/src/pages/app/resources/css/style.scss

@@ -10,6 +10,7 @@
 @use "electron";
 @use "dialogs/reply";
 @use "download-app";
+@use "404" as not-found;
 
 @use "lib/fonts/montserrat";
 @use "lib/fonts/material-symbols";

frontend/src/pages/app/ui/screen/LoginScreen.tsx

@@ -7,14 +7,15 @@ import { API_BASE_URL } from "../../core/config";
 import { useRef } from "react";
 import type { TextField } from "mdui/components/text-field";
 import { useAppState } from "../state";
+import { useNavigate } from "react-router-dom";
 import { MaterialTextField } from "../components/core/TextField";
 import { initialize, isSupported, startElectronReceiver, subscribe } from "../../utils/push-notifications";
 import { isElectron } from "../../electron/electron";
 
 export default function LoginScreen() {
     const [alerts, updateAlerts] = useImmer<Alert[]>([]);
-    const setCurrentPage = useAppState(state => state.setCurrentPage);
     const setUser = useAppState(state => state.setUser);
+    const navigate = useNavigate();
 
     function showAlert(type: AlertType, message: string) {
         updateAlerts((alerts) => { alerts.push({type: type, message: message}) });
@@ -67,7 +68,7 @@ export default function LoginScreen() {
                                     console.error("Key setup failed:", e);
                                 }
 
-                                setCurrentPage("chat");
+                                navigate("/chat");
                                 
                                 // Initialize notifications
                                 try {
@@ -130,7 +131,7 @@ export default function LoginScreen() {
                         <a
                             href="#"
                             className="link" 
-                            onClick={() => setCurrentPage("register")}>
+                            onClick={() => navigate("/register")}>
                             Зарегистрируйтесь
                         </a>
                     </p>

frontend/src/pages/app/ui/screen/RegisterScreen.tsx

@@ -7,13 +7,14 @@ import { TextField } from "mdui/components/text-field";
 import type { ErrorResponse, RegisterRequest, LoginResponse } from "../../core/types";
 import { API_BASE_URL } from "../../core/config";
 import { useAppState } from "../state";
+import { useNavigate } from "react-router-dom";
 import { MaterialTextField } from "../components/core/TextField";
 import { ensureKeysOnLogin } from "../../auth/crypto";
 
 export default function RegisterScreen() {
     const [alerts, updateAlerts] = useImmer<Alert[]>([]);
-    const setCurrentPage = useAppState(state => state.setCurrentPage);
     const setUser = useAppState(state => state.setUser);
+    const navigate = useNavigate();
 
     function showAlert(type: AlertType, message: string) {
         updateAlerts((alerts) => { alerts.push({type: type, message: message}) });
@@ -83,7 +84,7 @@ export default function RegisterScreen() {
                                 console.error("Key setup failed:", e);
                             }
 
-                            setCurrentPage("chat");
+                            navigate("/chat");
                         } else {
                             const data: ErrorResponse = await response.json();
                             showAlert("danger", data.message || "Ошибка при регистрации");
@@ -136,7 +137,7 @@ export default function RegisterScreen() {
                             href="#" 
                             id="login-link" 
                             className="link" 
-                            onClick={() => setCurrentPage("login")}>
+                            onClick={() => navigate("/login")}>
                             Войдите
                         </a>
                     </p>

frontend/src/pages/app/ui/state.ts

@@ -10,7 +10,6 @@ import { API_BASE_URL } from "../core/config";
 import { initialize, subscribe, startElectronReceiver, isSupported } from "../utils/push-notifications";
 import { isElectron } from "../electron/electron";
 
-type Page = "login" | "register" | "chat"
 export type ChatTabs = "chats" | "channels" | "contacts" | "dms"
 
 interface ActiveDM {
@@ -37,9 +36,6 @@ export interface UserState {
 }
 
 interface AppState {
-    currentPage: Page;
-    setCurrentPage: (page: Page) => void;
-    
     // Chat state
     chat: ChatState;
     addMessage: (message: Message) => void;
@@ -60,13 +56,10 @@ interface AppState {
     user: UserState;
     setUser: (token: string, user: User) => void;
     logout: () => void;
-    restoreUserFromStorage: () => void;
+    restoreUserFromStorage: () => Promise<void>;
 }
 
 export const useAppState = create<AppState>((set, get) => ({
-    currentPage: "login", // default page
-    setCurrentPage: (page: Page) => set({ currentPage: page }),
-    
     // Chat state
     chat: {
         messages: [],
@@ -191,8 +184,7 @@ export const useAppState = create<AppState>((set, get) => ({
             user: {
                 currentUser: null,
                 authToken: null
-            },
+            }
-            currentPage: "login"
         }));
     },
     restoreUserFromStorage: async () => {
@@ -212,8 +204,7 @@ export const useAppState = create<AppState>((set, get) => ({
                         user: {
                             currentUser: user,
                             authToken: token
-                        },
+                        }
-                        currentPage: "chat"
                     }));
 
                     try {

package.json

@@ -68,6 +68,7 @@
         "mdui": "^2.1.4",
         "react": "^19.1.1",
         "react-dom": "^19.1.1",
+        "react-router-dom": "^7.9.3",
         "tweetnacl": "^1.0.3",
         "use-immer": "^0.11.0",
         "zustand": "^5.0.8"