src/App.tsx

import { Toaster } from "@/components/ui/toaster";
import { Toaster as Sonner } from "@/components/ui/sonner";
import { TooltipProvider } from "@/components/ui/tooltip";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { BrowserRouter, Routes, Route, Navigate } from "react-router-dom";
import Login from "./pages/Login";
import Signup from "./pages/Signup";
import Dashboard from "./pages/Dashboard";
import Upload from "./pages/Upload";
import DiagnosisResults from "./pages/DiagnosisResults";
import SegmentationResults from "./pages/SegmentationResults";
import History from "./pages/History";
import About from "./pages/About";
import NotFound from "./pages/NotFound";

const queryClient = new QueryClient();

const App = () => (
  <QueryClientProvider client={queryClient}>
    <TooltipProvider>
      <Toaster />
      <Sonner />
      <BrowserRouter>
        <Routes>
          {/* Redirect root to login */}
          <Route path="/" element={<Navigate to="/login" replace />} />
          
          {/* Auth Routes */}
          <Route path="/login" element={<Login />} />
          <Route path="/signup" element={<Signup />} />
          
          {/* Main App Routes */}
          <Route path="/dashboard" element={<Dashboard />} />
          <Route path="/upload" element={<Upload />} />
          <Route path="/diagnosis-results" element={<DiagnosisResults />} />
          <Route path="/segmentation-results" element={<SegmentationResults />} />
          <Route path="/history" element={<History />} />
          <Route path="/about" element={<About />} />
          
          {/* Catch-all for 404 */}
          <Route path="*" element={<NotFound />} />
        </Routes>
      </BrowserRouter>
    </TooltipProvider>
  </QueryClientProvider>
);

export default App;