import React, { Component, ErrorInfo, ReactNode } from 'react';
import { createRoot } from 'react-dom/client';
import App from './App.tsx';
import './index.css';

interface Props {
  children: ReactNode;
}

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

class ErrorBoundary extends Component<Props, State> {
  public state: State = {
    hasError: false,
    error: null,
  };

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

  public componentDidCatch(error: Error, errorInfo: ErrorInfo) {
    console.error('Uncaught application error:', error, errorInfo);
  }

  public render() {
    if (this.state.hasError) {
      return (
        <div style={{
          minHeight: '100vh',
          backgroundColor: '#599180',
          display: 'flex',
          alignItems: 'center',
          justifyContent: 'center',
          padding: '24px',
          fontFamily: 'sans-serif',
          color: '#0F172A'
        }}>
          <div style={{
            background: 'rgba(255, 255, 255, 0.95)',
            padding: '32px',
            borderRadius: '24px',
            maxWidth: '480px',
            width: '100%',
            textAlign: 'center',
            boxShadow: '0 20px 40px rgba(0,0,0,0.1)'
          }}>
            <h2 style={{ fontSize: '20px', fontWeight: 800, color: '#0A3A70', marginBottom: '8px' }}>
              Genovaris Lifesciences
            </h2>
            <p style={{ fontSize: '14px', color: '#475569', marginBottom: '20px' }}>
              The application encountered a reload glitch. Click below to reload.
            </p>
            <button
              onClick={() => window.location.reload()}
              style={{
                backgroundColor: '#0A3A70',
                color: '#ffffff',
                border: 'none',
                padding: '12px 24px',
                borderRadius: '12px',
                fontSize: '14px',
                fontWeight: 700,
                cursor: 'pointer'
              }}
            >
              Reload Page
            </button>
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}

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