import { Link, useNavigate } from 'react-router-dom';
import { Video, Users, Zap, Shield, Camera, MessageCircle, Star, LogOut, LayoutDashboard } from 'lucide-react';
import { useAuth } from '../contexts/AuthContext';

const HomePage = () => {
  const { user, logout } = useAuth();
  const navigate = useNavigate();

  const handleLogout = () => {
    logout();
    navigate('/login');
  };

  return (
    <div className="min-h-screen bg-white">
      {/* Hero Section */}
      <header className="bg-gradient-to-br from-primary-600 to-primary-800">
        <nav className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-6">
          <div className="flex justify-between items-center">
            <div className="flex items-center space-x-2">
              <Video className="w-6 h-6 sm:w-8 sm:h-8 text-white" />
              <span className="text-xl sm:text-2xl font-bold text-white">spotlight.cam</span>
            </div>
            <div className="flex space-x-2 sm:space-x-4">
              {user ? (
                <>
                  <Link
                    to="/dashboard"
                    className="flex items-center space-x-1 sm:space-x-2 px-2 sm:px-4 py-2 text-white hover:text-primary-100 transition text-sm sm:text-base"
                  >
                    <LayoutDashboard className="w-4 h-4" />
                    <span className="hidden sm:inline">Dashboard</span>
                  </Link>
                  <button
                    onClick={handleLogout}
                    className="flex items-center space-x-1 sm:space-x-2 px-3 sm:px-6 py-2 bg-white text-primary-600 rounded-lg font-medium hover:bg-primary-50 transition text-sm sm:text-base"
                  >
                    <LogOut className="w-4 h-4" />
                    <span>Logout</span>
                  </button>
                </>
              ) : (
                <>
                  <Link
                    to="/login"
                    className="px-3 sm:px-4 py-2 text-white hover:text-primary-100 transition text-sm sm:text-base"
                  >
                    Sign in
                  </Link>
                  <Link
                    to="/register"
                    className="px-4 sm:px-6 py-2 bg-white text-primary-600 rounded-lg font-medium hover:bg-primary-50 transition text-sm sm:text-base whitespace-nowrap"
                  >
                    Get Started
                  </Link>
                </>
              )}
            </div>
          </div>
        </nav>

        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12 sm:py-16 md:py-20 text-center">
          <h1 className="text-3xl sm:text-4xl md:text-5xl lg:text-6xl font-bold text-white mb-4 sm:mb-6">
            Capture Every Dance Together
          </h1>
          <p className="text-base sm:text-lg md:text-xl lg:text-2xl text-primary-100 mb-8 sm:mb-10 max-w-3xl mx-auto px-4">
            Connect with other competitors, record each other's dances, and exchange videos in seconds.
          </p>
          <div className="flex justify-center">
            <Link
              to={user ? "/dashboard" : "/register"}
              className="px-6 sm:px-8 py-3 sm:py-4 bg-white text-primary-600 rounded-lg text-base sm:text-lg font-semibold hover:bg-primary-50 transition shadow-lg"
            >
              {user ? "Go to Dashboard" : "Start Collaborating"}
            </Link>
          </div>
        </div>
      </header>

      {/* Features Section */}
      <section className="py-20 bg-gray-50">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
          <div className="text-center mb-16">
            <h2 className="text-4xl font-bold text-gray-900 mb-4">
              Everything you need to succeed
            </h2>
            <p className="text-xl text-gray-600 max-w-2xl mx-auto">
              This app is specifically built for West Coast Swing dancers and competition enthusiasts
            </p>
          </div>

          <div className="grid md:grid-cols-3 gap-8">
            <div className="bg-white p-8 rounded-xl shadow-md hover:shadow-xl transition">
              <div className="w-12 h-12 bg-primary-100 rounded-lg flex items-center justify-center mb-4">
                <Users className="w-6 h-6 text-primary-600" />
              </div>
              <h3 className="text-xl font-semibold text-gray-900 mb-3">
                Smart Matching
              </h3>
              <p className="text-gray-600">
                Find the perfect collaboration partner based on division, role, and heat
                assignments at your event.
              </p>
            </div>

            <div className="bg-white p-8 rounded-xl shadow-md hover:shadow-xl transition">
              <div className="w-12 h-12 bg-primary-100 rounded-lg flex items-center justify-center mb-4">
                <MessageCircle className="w-6 h-6 text-primary-600" />
              </div>
              <h3 className="text-xl font-semibold text-gray-900 mb-3">
                Real-time Chat
              </h3>
              <p className="text-gray-600">
                Communicate instantly with event participants and your collaboration
                partners through integrated chat.
              </p>
            </div>

            <div className="bg-white p-8 rounded-xl shadow-md hover:shadow-xl transition">
              <div className="w-12 h-12 bg-primary-100 rounded-lg flex items-center justify-center mb-4">
                <Camera className="w-6 h-6 text-primary-600" />
              </div>
              <h3 className="text-xl font-semibold text-gray-900 mb-3">
                P2P Video Sharing
              </h3>
              <p className="text-gray-600">
                Share videos directly with your partners using secure peer-to-peer WebRTC
                technology. Fast, private, and encrypted.
              </p>
            </div>

            <div className="bg-white p-8 rounded-xl shadow-md hover:shadow-xl transition">
              <div className="w-12 h-12 bg-primary-100 rounded-lg flex items-center justify-center mb-4">
                <Shield className="w-6 h-6 text-primary-600" />
              </div>
              <h3 className="text-xl font-semibold text-gray-900 mb-3">
                Secure & Private
              </h3>
              <p className="text-gray-600">
                Your video transfers run P2P with encryption in transit. Chats stay private to your
                event room or match partner.
              </p>
            </div>

            <div className="bg-white p-8 rounded-xl shadow-md hover:shadow-xl transition">
              <div className="w-12 h-12 bg-primary-100 rounded-lg flex items-center justify-center mb-4">
                <Zap className="w-6 h-6 text-primary-600" />
              </div>
              <h3 className="text-xl font-semibold text-gray-900 mb-3">
                Lightning Fast
              </h3>
              <p className="text-gray-600">
                No upload delays or waiting. Direct peer-to-peer connections mean instant
                video transfers, even for large files.
              </p>
            </div>

            <div className="bg-white p-8 rounded-xl shadow-md hover:shadow-xl transition">
              <div className="w-12 h-12 bg-primary-100 rounded-lg flex items-center justify-center mb-4">
                <Star className="w-6 h-6 text-primary-600" />
              </div>
              <h3 className="text-xl font-semibold text-gray-900 mb-3">
                Competition Ready
              </h3>
              <p className="text-gray-600">
                Integrated with WSDC events. Automatic heat tracking and partner
                suggestions based on competition divisions.
              </p>
            </div>
          </div>
        </div>
      </section>

      {/* How It Works Section */}
      <section className="py-20">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
          <div className="text-center mb-16">
            <h2 className="text-4xl font-bold text-gray-900 mb-4">
              How It Works
            </h2>
            <p className="text-xl text-gray-600">
              Get started in three simple steps
            </p>
          </div>

          <div className="grid md:grid-cols-3 gap-12">
            <div className="text-center">
              <div className="w-16 h-16 bg-primary-600 text-white rounded-full flex items-center justify-center text-2xl font-bold mx-auto mb-6">
                1
              </div>
              <h3 className="text-xl font-semibold text-gray-900 mb-3">
                Join your event
              </h3>
              <p className="text-gray-600">
                Check in to your West Coast Swing competition using the event's QR code
                or check-in link.
              </p>
            </div>

            <div className="text-center">
              <div className="w-16 h-16 bg-primary-600 text-white rounded-full flex items-center justify-center text-2xl font-bold mx-auto mb-6">
                2
              </div>
              <h3 className="text-xl font-semibold text-gray-900 mb-3">
                Find Partners
              </h3>
              <p className="text-gray-600">
                Browse other people on your event's chat and send collaboration requests to
                potential recording partners.
              </p>
            </div>

            <div className="text-center">
              <div className="w-16 h-16 bg-primary-600 text-white rounded-full flex items-center justify-center text-2xl font-bold mx-auto mb-6">
                3
              </div>
              <h3 className="text-xl font-semibold text-gray-900 mb-3">
                Share & Create
              </h3>
              <p className="text-gray-600">
                Exchange videos securely, chat in real-time, and reward your recording partner with
                a star-rating system.
              </p>
            </div>
          </div>
        </div>
      </section>

      {/* CTA Section */}
      {!user && (
        <section className="py-20 bg-gradient-to-br from-primary-600 to-primary-800">
          <div className="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 text-center">
            <h2 className="text-4xl font-bold text-white mb-6">
              Ready to maximize your competition experience?
            </h2>
            <p className="text-xl text-primary-100 mb-10">
              Join dancers from around the world who are already participating in spotlight.cam
            </p>
            <Link
              to="/register"
              className="inline-block px-8 py-4 bg-white text-primary-600 rounded-lg text-lg font-semibold hover:bg-primary-50 transition shadow-lg"
            >
              Create Your Free Account
            </Link>
          </div>
        </section>
      )}

      {/* Footer */}
      <footer className="bg-gray-900 text-gray-300 py-12">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
          <div className="grid md:grid-cols-4 gap-8">
            <div>
              <div className="flex items-center space-x-2 mb-4">
                <Video className="w-6 h-6 text-primary-400" />
                <span className="text-xl font-bold text-white">spotlight.cam</span>
              </div>
              <p className="text-sm text-gray-400">
                Built for West Coast Swing dancers who record and compete together.
              </p>
            </div>

            <div>
              <h3 className="text-white font-semibold mb-4">Product</h3>
              <ul className="space-y-2 text-sm">
                <li>
                  <Link to="/how-it-works" className="hover:text-primary-400 transition">
                    How It Works
                  </Link>
                </li>
              </ul>
            </div>

            <div>
              <h3 className="text-white font-semibold mb-4">Support</h3>
              <ul className="space-y-2 text-sm">
                <li>
                  <Link to="/about-us" className="hover:text-primary-400 transition">
                    About Us
                  </Link>
                </li>
                <li>
                  <Link to="/contact" className="hover:text-primary-400 transition">
                    Contact Us
                  </Link>
                </li>
                <li>
                  <Link to="/privacy" className="hover:text-primary-400 transition">
                    Privacy Policy
                  </Link>
                </li>
              </ul>
            </div>

            <div>
              <h3 className="text-white font-semibold mb-4">Account</h3>
              <ul className="space-y-2 text-sm">
                {user ? (
                  <>
                    <li>
                      <Link to="/dashboard" className="hover:text-primary-400 transition">
                        Dashboard
                      </Link>
                    </li>
                    <li>
                      <button onClick={handleLogout} className="hover:text-primary-400 transition text-left">
                        Logout
                      </button>
                    </li>
                  </>
                ) : (
                  <>
                    <li>
                      <Link to="/login" className="hover:text-primary-400 transition">
                        Sign In
                      </Link>
                    </li>
                    <li>
                      <Link to="/register" className="hover:text-primary-400 transition">
                        Register
                      </Link>
                    </li>
                  </>
                )}
              </ul>
            </div>
          </div>

          <div className="border-t border-gray-800 mt-12 pt-8 text-center text-sm text-gray-400">
            <p>&copy; {new Date().getFullYear()} spotlight.cam. All rights reserved.</p>
          </div>
        </div>
      </footer>
    </div>
  );
};

export default HomePage;