import React, { useEffect } from 'react';
import { Routes, Route, Navigate, Outlet } from 'react-router-dom';
import { Header } from './components/Header';
import { Login } from './components/Admin/Login';
import { Dashboard } from './components/Admin/Dashboard';
import { useData } from './contexts/DataContext';
import { Footer } from './components/AppContent';

// Páginas
import { 
    HomePage, 
    AboutPage, 
    ServicesPage, 
    PromotionsPage, 
    BlogPage, 
    BlogPostPage,
    ContactPage 
} from './components/Pages';

// Layout do site público com Tema Dinâmico e Estrutura Fixa
const PublicLayout = () => {
  const { data, getWhatsAppLink } = useData();

  // Aplica cor primária dinamicamente
  useEffect(() => {
    document.documentElement.style.setProperty('--primary-color', data.settings.primaryColor);
    
    // Atualiza Favicon
    if (data.settings.faviconUrl) {
      const link = document.querySelector("link[rel~='icon']") as HTMLLinkElement;
      if (link) {
        link.href = data.settings.faviconUrl;
      } else {
        const newLink = document.createElement('link');
        newLink.rel = 'icon';
        newLink.href = data.settings.faviconUrl;
        document.head.appendChild(newLink);
      }
    }
    
    // Atualiza Título
    document.title = data.settings.siteName;
  }, [data.settings]);

  return (
    <div className="bg-zinc-950 min-h-screen font-sans text-gray-100 selection:bg-primary selection:text-white flex flex-col">
      <Header />
      <main className="flex-1">
         <Outlet />
      </main>
      <Footer />
      <a 
        href={getWhatsAppLink("Olá! Gostaria de mais informações.")} 
        target="_blank" 
        rel="noopener noreferrer"
        className="fixed bottom-8 right-8 z-50 bg-green-500 text-white p-4 rounded-full shadow-lg hover:scale-110 transition-transform hover:bg-green-600 flex items-center justify-center"
        aria-label="Contato WhatsApp"
      >
        <svg viewBox="0 0 24 24" fill="white" width="32" height="32">
          <path d="M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413z"/>
        </svg>
      </a>
    </div>
  );
};

// Proteção de rota simples
const ProtectedRoute: React.FC<{ children: React.ReactNode }> = ({ children }) => {
  const isAuth = localStorage.getItem('admin_auth') === 'true';
  return isAuth ? <>{children}</> : <Navigate to="/admin" replace />;
};

function App() {
  return (
    <Routes>
      {/* Rotas Públicas */}
      <Route path="/" element={<PublicLayout />}>
        <Route index element={<HomePage />} />
        <Route path="sobre" element={<AboutPage />} />
        <Route path="servicos" element={<ServicesPage />} />
        <Route path="promocoes" element={<PromotionsPage />} />
        <Route path="blog" element={<BlogPage />} />
        <Route path="blog/:id" element={<BlogPostPage />} />
        <Route path="contato" element={<ContactPage />} />
      </Route>

      {/* Rotas Administrativas */}
      <Route path="/admin" element={<Login />} />
      <Route 
        path="/admin/dashboard" 
        element={
          <ProtectedRoute>
            <Dashboard />
          </ProtectedRoute>
        } 
      />

      {/* Rota Catch-all para redirecionar para Home se nada corresponder */}
      <Route path="*" element={<Navigate to="/" replace />} />
    </Routes>
  );
}

export default App;