import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom';
import { Toaster } from 'react-hot-toast';
import { AuthProvider, useAuth } from './contexts/AuthContext';
import HomePage from './pages/HomePage';
import LoginPage from './pages/LoginPage';
import RegisterPage from './pages/RegisterPage';
import VerifyEmailPage from './pages/VerifyEmailPage';
import ForgotPasswordPage from './pages/ForgotPasswordPage';
import ResetPasswordPage from './pages/ResetPasswordPage';
import DashboardPage from './pages/DashboardPage';
import EventsPage from './pages/EventsPage';
import EventChatPage from './pages/EventChatPage';
import EventDetailsPage from './pages/admin/EventDetailsPage';
import EventCheckinPage from './pages/EventCheckinPage';
import MatchChatPage from './pages/MatchChatPage';
import MatchesPage from './pages/MatchesPage';
import RatePartnerPage from './pages/RatePartnerPage';
import HistoryPage from './pages/HistoryPage';
import ProfilePage from './pages/ProfilePage';
import PublicProfilePage from './pages/PublicProfilePage';
import ActivityLogsPage from './pages/admin/ActivityLogsPage';
import ContactMessagesPage from './pages/admin/ContactMessagesPage';
import ContactPage from './pages/ContactPage';
import AboutUsPage from './pages/AboutUsPage';
import HowItWorksPage from './pages/HowItWorksPage';
import NotFoundPage from './pages/NotFoundPage';
import VerificationBanner from './components/common/VerificationBanner';
import InstallPWA from './components/pwa/InstallPWA';

// Protected Route Component with Verification Banner
const ProtectedRoute = ({ children }) => {
  const { isAuthenticated, loading } = useAuth();

  if (loading) {
    return (
      <div className="min-h-screen flex items-center justify-center">
        <div className="text-lg text-gray-600">Loading...</div>
      </div>
    );
  }

  if (!isAuthenticated) {
    return <Navigate to="/login" replace />;
  }

  return (
    <>
      <VerificationBanner />
      {children}
    </>
  );
};

// Public Route Component (redirect to dashboard if already logged in)
const PublicRoute = ({ children }) => {
  const { isAuthenticated, loading } = useAuth();

  if (loading) {
    return (
      <div className="min-h-screen flex items-center justify-center">
        <div className="text-lg text-gray-600">Loading...</div>
      </div>
    );
  }

  if (isAuthenticated) {
    return <Navigate to="/dashboard" replace />;
  }

  return children;
};

function App() {
  return (
    <BrowserRouter>
      <AuthProvider>
        {/* PWA Install Prompt */}
        <InstallPWA />

        {/* Toast Notifications */}
        <Toaster
          position="top-right"
          toastOptions={{
            duration: 4000,
            style: {
              background: '#333',
              color: '#fff',
            },
            success: {
              iconTheme: {
                primary: '#22c55e',
                secondary: '#fff',
              },
            },
            error: {
              iconTheme: {
                primary: '#ef4444',
                secondary: '#fff',
              },
            },
          }}
        />

        <Routes>
          {/* Public Routes */}
          <Route
            path="/login"
            element={
              <PublicRoute>
                <LoginPage />
              </PublicRoute>
            }
          />
          <Route
            path="/register"
            element={
              <PublicRoute>
                <RegisterPage />
              </PublicRoute>
            }
          />
          <Route path="/verify-email" element={<VerifyEmailPage />} />
          <Route path="/forgot-password" element={<ForgotPasswordPage />} />
          <Route path="/reset-password" element={<ResetPasswordPage />} />

          {/* Protected Routes */}
          <Route
            path="/dashboard"
            element={
              <ProtectedRoute>
                <DashboardPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/events"
            element={
              <ProtectedRoute>
                <EventsPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/events/:slug/chat"
            element={
              <ProtectedRoute>
                <EventChatPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/admin/events/:slug/details"
            element={
              <ProtectedRoute>
                <EventDetailsPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/events/checkin/:token"
            element={
              <ProtectedRoute>
                <EventCheckinPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/matches"
            element={
              <ProtectedRoute>
                <MatchesPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/matches/:slug/chat"
            element={
              <ProtectedRoute>
                <MatchChatPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/matches/:slug/rate"
            element={
              <ProtectedRoute>
                <RatePartnerPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/history"
            element={
              <ProtectedRoute>
                <HistoryPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/profile"
            element={
              <ProtectedRoute>
                <ProfilePage />
              </ProtectedRoute>
            }
          />

          {/* Admin Routes */}
          <Route
            path="/admin/activity-logs"
            element={
              <ProtectedRoute>
                <ActivityLogsPage />
              </ProtectedRoute>
            }
          />
          <Route
            path="/admin/contact-messages"
            element={
              <ProtectedRoute>
                <ContactMessagesPage />
              </ProtectedRoute>
            }
          />


          {/* Home Page */}
          <Route path="/" element={<HomePage />} />

          {/* Contact Page - Public route */}
          <Route path="/contact" element={<ContactPage />} />

          {/* About Us Page - Public route */}
          <Route path="/about-us" element={<AboutUsPage />} />

          {/* How It Works Page - Public route */}
          <Route path="/how-it-works" element={<HowItWorksPage />} />

          {/* Public Profile - /u/username format (no auth required) */}
          <Route path="/u/:username" element={<PublicProfilePage />} />

          {/* 404 Not Found - Catch all unmatched routes */}
          <Route path="*" element={<NotFoundPage />} />
        </Routes>
      </AuthProvider>
    </BrowserRouter>
  );
}

export default App;