aicyclingcoach-go/frontend/src/components/ErrorBoundary.jsx

import React, { Component } from 'react';

class ErrorBoundary extends Component {
  constructor(props) {
    super(props);
    this.state = { hasError: false, error: null, errorInfo: null };
  }

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

  componentDidCatch(error, errorInfo) {
    this.setState({
      error: error,
      errorInfo: errorInfo
    });
    // Log error to analytics service in production
    if (process.env.NODE_ENV === 'production') {
      console.error('Error caught by boundary:', error, errorInfo);
    }
  }

  render() {
    if (this.state.hasError) {
      return (
        <div className="error-boundary bg-red-50 border border-red-200 rounded-lg p-6">
          <div className="flex items-start">
            <div className="flex-shrink-0">
              <svg className="h-12 w-12 text-red-400" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z" />
              </svg>
            </div>
            <div className="ml-4">
              <h3 className="text-lg font-medium text-red-800">Something went wrong</h3>
              <div className="mt-2 text-sm text-red-700">
                <p>We're sorry - an unexpected error occurred. Please try refreshing the page.</p>
                {process.env.NODE_ENV === 'development' && (
                  <details className="mt-3">
                    <summary className="font-medium cursor-pointer">Error details</summary>
                    <div className="mt-2 bg-red-100 p-2 rounded-md overflow-auto max-h-48">
                      <p className="font-mono text-xs">{this.state.error && this.state.error.toString()}</p>
                      <pre className="text-xs mt-2">{this.state.errorInfo?.componentStack}</pre>
                    </div>
                  </details>
                )}
              </div>
              <div className="mt-4">
                <button
                  onClick={() => window.location.reload()}
                  className="px-4 py-2 bg-red-600 text-white rounded-md text-sm font-medium hover:bg-red-700 transition-colors"
                >
                  Reload Page
                </button>
              </div>
            </div>
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}

export default ErrorBoundary;