import { StrictMode, Component, type ErrorInfo, type ReactNode } from 'react';

import { createRoot } from 'react-dom/client';
import './index.css';
import App from './App.tsx';

interface ErrorBoundaryProps {
  children: ReactNode;
}

interface ErrorBoundaryState {
  hasError: boolean;
  error: Error | null;
}

class RootErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundaryState> {
  constructor(props: ErrorBoundaryProps) {
    super(props);
    this.state = { hasError: false, error: null };
  }

  static getDerivedStateFromError(error: Error): ErrorBoundaryState {
    return { hasError: true, error };
  }

  componentDidCatch(error: Error, errorInfo: ErrorInfo) {
    console.error('Nexus App Runtime Exception:', error, errorInfo);
  }

  handleReload = () => {
    window.location.reload();
  };

  render() {
    if (this.state.hasError) {
      return (
        <div className="min-h-screen bg-[#030712] text-slate-100 flex flex-col items-center justify-center p-6 text-center">
          <div className="max-w-md p-8 rounded-3xl bg-slate-900 border border-cyan-500/30 shadow-2xl">
            <div className="w-14 h-14 rounded-2xl bg-cyan-500/10 border border-cyan-500/30 flex items-center justify-center text-cyan-400 mx-auto mb-4 text-2xl font-bold">
              ⚡
            </div>
            <h2 className="text-2xl font-bold font-heading text-white mb-2">
              Nexus AI Hub
            </h2>
            <p className="text-xs text-slate-400 mb-6">
              A temporary runtime glitch occurred. Click reload to refresh the ecosystem.
            </p>
            <button
              onClick={this.handleReload}
              className="px-6 py-2.5 rounded-xl bg-gradient-to-r from-cyan-500 to-blue-600 text-slate-950 font-bold text-xs uppercase tracking-wider hover:opacity-90 transition-opacity cursor-pointer"
            >
              Reload Platform
            </button>
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}

createRoot(document.getElementById('root')!).render(
  <StrictMode>
    <RootErrorBoundary>
      <App />
    </RootErrorBoundary>
  </StrictMode>
);