import React from "react";
import { BrowserRouter, Routes, Route, Navigate, useNavigate, useLocation } from "react-router-dom";
import { Navbar } from "./components/Navbar";
import { Home } from "./pages/Home";
import { Dashboard } from "./pages/Dashboard";
import { Login } from "./pages/Login";
import { Register } from "./pages/Register";
import { TeamPage } from "./pages/Team";
import { FinancePage } from "./pages/Finance";
import { SettingsPage } from "./pages/Settings";
import { CourseManagement } from "./pages/CourseManagement";
import { InspirationPage } from "./pages/Inspiration";
import { UserApproval } from "./pages/UserApproval";
import { PrivacyPolicy } from "./pages/PrivacyPolicy";
import { TermsOfUse } from "./pages/TermsOfUse";
import { LGPD } from "./pages/LGPD";
import { AuthProvider, useAuth } from "./contexts/AuthContext";
import { DataProvider } from "./contexts/DataContext";
import { UserRole } from "./types";
import { ShieldAlert } from "lucide-react";

// Componente de acesso negado
const AccessDenied: React.FC = () => {
  const navigate = useNavigate();
  
  return (
    <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-brand-purple/5 to-brand-gold/5">
      <div className="text-center p-8 bg-white rounded-lg shadow-lg max-w-md">
        <ShieldAlert className="w-16 h-16 text-red-500 mx-auto mb-4" />
        <h2 className="text-2xl font-bold text-brand-purple mb-2">Acesso Negado</h2>
        <p className="text-gray-600 mb-6">
          Você não tem permissão para acessar esta página.
        </p>
        <button
          onClick={() => navigate("/painel")}
          className="px-6 py-2 bg-brand-gold text-brand-purple font-semibold rounded-lg hover:bg-brand-gold/90 transition-colors"
        >
          Voltar ao Dashboard
        </button>
      </div>
    </div>
  );
};

// Componente de rota protegida
interface ProtectedRouteProps {
  children: React.ReactNode;
  allowedRoles?: UserRole[];
}

const ProtectedRoute: React.FC<ProtectedRouteProps> = ({ children, allowedRoles }) => {
  const { user } = useAuth();

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

  if (allowedRoles && allowedRoles.length > 0 && !allowedRoles.includes(user.role)) {
    return <AccessDenied />;
  }

  return <>{children}</>;
};

// Wrapper para páginas que usam o sistema antigo de navegação
const PageWrapper: React.FC<{ children: React.ReactNode }> = ({ children }) => {
  const navigate = useNavigate();
  const location = useLocation();
  
  const handleNavigate = (page: string) => {
    navigate(`/${page}`);
  };

  const getCurrentPage = () => {
    const path = location.pathname.substring(1) || "home";
    return path;
  };

  return (
    <div className="min-h-screen bg-white">
      <Navbar onNavigate={handleNavigate} currentPage={getCurrentPage()} />
      <main>{children}</main>
    </div>
  );
};

// Componente Home com roteamento
const HomeWithRouter: React.FC = () => {
  const navigate = useNavigate();
  const { user } = useAuth();
  
  return (
    <PageWrapper>
      <Home onEnter={() => navigate(user ? "/painel" : "/entrar")} />
      <Footer />
    </PageWrapper>
  );
};

// Componente de Login com redirecionamento
const LoginWithRouter: React.FC = () => {
  const navigate = useNavigate();
  const { user } = useAuth();

  if (user) {
    return <Navigate to="/painel" replace />;
  }

  return (
    <PageWrapper>
      <Login onNavigate={(page) => navigate(`/${page}`)} />
    </PageWrapper>
  );
};

// Componente de Registro com redirecionamento
const RegisterWithRouter: React.FC = () => {
  const navigate = useNavigate();
  const { user } = useAuth();

  if (user) {
    return <Navigate to="/painel" replace />;
  }

  return (
    <PageWrapper>
      <Register onNavigate={(page) => navigate(`/${page}`)} />
    </PageWrapper>
  );
};

// Footer component
const Footer: React.FC = () => {
  const navigate = useNavigate();
  
  return (
    <footer className="bg-gradient-to-br from-brand-purple to-brand-purple/90 text-brand-black py-12 sm:py-16 md:py-20">
      <div className="w-full max-w-[1600px] mx-auto px-4 sm:px-6 md:px-8 lg:px-12 xl:px-16">
        <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-6 sm:gap-8 md:gap-10 lg:gap-12 xl:gap-16 mb-8 sm:mb-12 md:mb-16">
          {/* Logo e Descrição */}
          <div className="lg:col-span-1 text-center sm:text-left">
            <div className="flex flex-col items-center sm:items-start">
              <img
                src="/logo.png"
                alt="Photum Formaturas"
                className="h-24 sm:h-28 md:h-32 lg:h-36 mb-4 md:mb-6"
              />
              <p className="text-brand-black/80 text-xs sm:text-sm md:text-base leading-relaxed">
                Eternizando momentos únicos com excelência e
                profissionalismo desde 2020.
              </p>
            </div>
          </div>

          {/* Serviços */}
          <div>
            <h4 className="font-bold text-brand-black mb-4 md:mb-6 uppercase tracking-wider text-sm sm:text-base md:text-lg">
              Serviços
            </h4>
            <ul className="space-y-2 md:space-y-3 text-brand-black/70 text-sm sm:text-base md:text-lg">
              <li>Fotografia de Formatura</li>
              <li>Cerimônia de Colação</li>
              <li>Ensaios de Turma</li>
            </ul>
          </div>

          {/* Links Úteis */}
          <div>
            <h4 className="font-bold text-brand-black mb-4 md:mb-6 uppercase tracking-wider text-sm sm:text-base md:text-lg">
              Links Úteis
            </h4>
            <ul className="space-y-2 md:space-y-3 text-brand-black/70 text-sm sm:text-base md:text-lg">
              <li>
                <a
                  href="#"
                  onClick={() => navigate("/entrar")}
                  className="hover:text-brand-black transition-colors"
                >
                  Área do Cliente
                </a>
              </li>
              <li>
                <a
                  href="#"
                  onClick={() => navigate("/cadastro")}
                  className="hover:text-brand-black transition-colors"
                >
                  Cadastre sua Formatura
                </a>
              </li>
            </ul>
          </div>

          {/* Contato */}
          <div>
            <h4 className="font-bold text-brand-black mb-4 md:mb-6 uppercase tracking-wider text-sm sm:text-base md:text-lg">
              Contato
            </h4>
            <ul className="space-y-3 md:space-y-4 text-brand-black/70 text-sm sm:text-base md:text-lg">
              <li className="flex items-center gap-2 md:gap-3">
                <svg
                  className="w-5 h-5 md:w-6 md:h-6 flex-shrink-0"
                  fill="currentColor"
                  viewBox="0 0 24 24"
                >
                  <path d="M20 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z" />
                </svg>
                <a
                  href="mailto:contato@photum.com.br"
                  className="hover:text-brand-black transition-colors break-all"
                >
                  contato@photum.com.br
                </a>
              </li>
              <li className="flex items-start gap-2 md:gap-3">
                <svg
                  className="w-5 h-5 md:w-6 md:h-6 flex-shrink-0 mt-0.5"
                  fill="currentColor"
                  viewBox="0 0 24 24"
                >
                  <path d="M20 15.5c-1.25 0-2.45-.2-3.57-.57-.35-.11-.74-.03-1.02.24l-2.2 2.2c-2.83-1.44-5.15-3.75-6.59-6.59l2.2-2.21c.28-.26.36-.65.25-1C8.7 6.45 8.5 5.25 8.5 4c0-.55-.45-1-1-1H4c-.55 0-1 .45-1 1 0 9.39 7.61 17 17 17 .55 0 1-.45 1-1v-3.5c0-.55-.45-1-1-1zM19 12h2c0-4.97-4.03-9-9-9v2c3.87 0 7 3.13 7 7zm-4 0h2c0-2.76-2.24-5-5-5v2c1.66 0 3 1.34 3 3z" />
                </svg>
                <div>
                  <p>(19) 3405 5024</p>
                  <p>(19) 3621 4621</p>
                </div>
              </li>
              <li className="flex items-center gap-2 md:gap-3">
                <svg
                  className="w-5 h-5 md:w-6 md:h-6 flex-shrink-0"
                  fill="currentColor"
                  viewBox="0 0 24 24"
                >
                  <path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5c-1.38 0-2.5-1.12-2.5-2.5s1.12-2.5 2.5-2.5 2.5 1.12 2.5 2.5-1.12 2.5-2.5 2.5z" />
                </svg>
                <span>Americana, SP</span>
              </li>
              <li className="flex gap-4 md:gap-5 mt-4 md:mt-6">
                <a
                  href="#"
                  className="hover:text-brand-black transition-colors"
                >
                  <svg
                    className="w-7 h-7 md:w-8 md:h-8"
                    fill="currentColor"
                    viewBox="0 0 24 24"
                  >
                    <path d="M12 2.163c3.204 0 3.584.012 4.85.07 3.252.148 4.771 1.691 4.919 4.919.058 1.265.069 1.645.069 4.849 0 3.205-.012 3.584-.069 4.849-.149 3.225-1.664 4.771-4.919 4.919-1.266.058-1.644.07-4.85.07-3.204 0-3.584-.012-4.849-.07-3.26-.149-4.771-1.699-4.919-4.92-.058-1.265-.07-1.644-.07-4.849 0-3.204.013-3.583.07-4.849.149-3.227 1.664-4.771 4.919-4.919 1.266-.057 1.645-.069 4.849-.069zm0-2.163c-3.259 0-3.667.014-4.947.072-4.358.2-6.78 2.618-6.98 6.98-.059 1.281-.073 1.689-.073 4.948 0 3.259.014 3.668.072 4.948.2 4.358 2.618 6.78 6.98 6.98 1.281.058 1.689.072 4.948.072 3.259 0 3.668-.014 4.948-.072 4.354-.2 6.782-2.618 6.979-6.98.059-1.28.073-1.689.073-4.948 0-3.259-.014-3.667-.072-4.947-.196-4.354-2.617-6.78-6.979-6.98-1.281-.059-1.69-.073-4.949-.073zm0 5.838c-3.403 0-6.162 2.759-6.162 6.162s2.759 6.163 6.162 6.163 6.162-2.759 6.162-6.163c0-3.403-2.759-6.162-6.162-6.162zm0 10.162c-2.209 0-4-1.79-4-4 0-2.209 1.791-4 4-4s4 1.791 4 4c0 2.21-1.791 4-4 4zm6.406-11.845c-.796 0-1.441.645-1.441 1.44s.645 1.44 1.441 1.44c.795 0 1.439-.645 1.439-1.44s-.644-1.44-1.439-1.44z" />
                  </svg>
                </a>
                <a
                  href="#"
                  className="hover:text-brand-black transition-colors"
                >
                  <svg
                    className="w-7 h-7 md:w-8 md:h-8"
                    fill="currentColor"
                    viewBox="0 0 24 24"
                  >
                    <path d="M22.675 0h-21.35c-.732 0-1.325.593-1.325 1.325v21.351c0 .731.593 1.324 1.325 1.324h11.495v-9.294h-3.128v-3.622h3.128v-2.671c0-3.1 1.893-4.788 4.659-4.788 1.325 0 2.463.099 2.795.143v3.24l-1.918.001c-1.504 0-1.795.715-1.795 1.763v2.313h3.587l-.467 3.622h-3.12v9.293h6.116c.73 0 1.323-.593 1.323-1.325v-21.35c0-.732-.593-1.325-1.325-1.325z" />
                  </svg>
                </a>
                <a
                  href="#"
                  className="hover:text-brand-black transition-colors"
                >
                  <svg
                    className="w-7 h-7 md:w-8 md:h-8"
                    fill="currentColor"
                    viewBox="0 0 24 24"
                  >
                    <path d="M23.498 6.186a3.016 3.016 0 0 0-2.122-2.136C19.505 3.545 12 3.545 12 3.545s-7.505 0-9.377.505A3.017 3.017 0 0 0 .502 6.186C0 8.07 0 12 0 12s0 3.93.502 5.814a3.016 3.016 0 0 0 2.122 2.136c1.871.505 9.376.505 9.376.505s7.505 0 9.377-.505a3.015 3.015 0 0 0 2.122-2.136C24 15.93 24 12 24 12s0-3.93-.502-5.814zM9.545 15.568V8.432L15.818 12l-6.273 3.568z" />
                  </svg>
                </a>
              </li>
            </ul>
          </div>
        </div>

        {/* Bottom Bar */}
        <div className="border-t border-black/20 pt-6 md:pt-8 flex flex-col md:flex-row justify-between items-center text-xs sm:text-sm md:text-base text-brand-black/60 gap-4">
          <p>&copy; 2025 PhotumFormaturas. Todos os direitos reservados.</p>
          <div className="flex flex-wrap justify-center gap-4 sm:gap-6 md:gap-8">
            <a
              href="#"
              onClick={() => navigate("/privacidade")}
              className="hover:text-brand-black transition-colors"
            >
              Política de Privacidade
            </a>
            <a
              href="#"
              onClick={() => navigate("/termos")}
              className="hover:text-brand-black transition-colors"
            >
              Termos de Uso
            </a>
            <a
              href="#"
              onClick={() => navigate("/lgpd")}
              className="hover:text-brand-black transition-colors"
            >
              LGPD
            </a>
          </div>
        </div>
      </div>
    </footer>
  );
};

const AppContent: React.FC = () => {
  const location = useLocation();
  const showFooter = location.pathname === "/";

  return (
    <>
      <Routes>
        {/* Rotas Públicas */}
        <Route path="/" element={<HomeWithRouter />} />
        <Route path="/entrar" element={<LoginWithRouter />} />
        <Route path="/cadastro" element={<RegisterWithRouter />} />
        <Route 
          path="/privacidade" 
          element={
            <PageWrapper>
              <PrivacyPolicy onNavigate={(page) => window.location.href = `/${page}`} />
            </PageWrapper>
          } 
        />
        <Route 
          path="/termos" 
          element={
            <PageWrapper>
              <TermsOfUse onNavigate={(page) => window.location.href = `/${page}`} />
            </PageWrapper>
          } 
        />
        <Route 
          path="/lgpd" 
          element={
            <PageWrapper>
              <LGPD onNavigate={(page) => window.location.href = `/${page}`} />
            </PageWrapper>
          } 
        />

        {/* Rotas Protegidas - Todos os usuários autenticados */}
        <Route
          path="/painel"
          element={
            <ProtectedRoute>
              <PageWrapper>
                <Dashboard initialView="list" />
              </PageWrapper>
            </ProtectedRoute>
          }
        />
        <Route
          path="/eventos"
          element={
            <ProtectedRoute>
              <PageWrapper>
                <Dashboard initialView="list" />
              </PageWrapper>
            </ProtectedRoute>
          }
        />
        <Route
          path="/inspiracao"
          element={
            <ProtectedRoute>
              <PageWrapper>
                <InspirationPage />
              </PageWrapper>
            </ProtectedRoute>
          }
        />

        {/* Rota de solicitação de evento - Clientes e Administradores */}
        <Route
          path="/solicitar-evento"
          element={
            <ProtectedRoute allowedRoles={[UserRole.SUPERADMIN, UserRole.BUSINESS_OWNER, UserRole.EVENT_OWNER]}>
              <PageWrapper>
                <Dashboard initialView="create" />
              </PageWrapper>
            </ProtectedRoute>
          }
        />

        {/* Rotas Administrativas - Apenas gestão */}
        <Route
          path="/equipe"
          element={
            <ProtectedRoute allowedRoles={[UserRole.SUPERADMIN, UserRole.BUSINESS_OWNER]}>
              <PageWrapper>
                <TeamPage />
              </PageWrapper>
            </ProtectedRoute>
          }
        />
        <Route
          path="/financeiro"
          element={
            <ProtectedRoute allowedRoles={[UserRole.SUPERADMIN, UserRole.BUSINESS_OWNER]}>
              <PageWrapper>
                <FinancePage />
              </PageWrapper>
            </ProtectedRoute>
          }
        />
        <Route
          path="/configuracoes"
          element={
            <ProtectedRoute allowedRoles={[UserRole.SUPERADMIN, UserRole.BUSINESS_OWNER]}>
              <PageWrapper>
                <SettingsPage />
              </PageWrapper>
            </ProtectedRoute>
          }
        />
        <Route
          path="/cursos"
          element={
            <ProtectedRoute allowedRoles={[UserRole.SUPERADMIN, UserRole.BUSINESS_OWNER]}>
              <PageWrapper>
                <CourseManagement />
              </PageWrapper>
            </ProtectedRoute>
          }
        />
        <Route
          path="/aprovacao-cadastros"
          element={
            <ProtectedRoute allowedRoles={[UserRole.SUPERADMIN, UserRole.BUSINESS_OWNER]}>
              <PageWrapper>
                <UserApproval />
              </PageWrapper>
            </ProtectedRoute>
          }
        />

        {/* Rota padrão - redireciona para home */}
        <Route path="*" element={<Navigate to="/" replace />} />
      </Routes>
    </>
  );
};

function App() {
  return (
    <BrowserRouter>
      <AuthProvider>
        <DataProvider>
          <AppContent />
        </DataProvider>
      </AuthProvider>
    </BrowserRouter>
  );
}

export default App;