import React from 'react';

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

interface ErrorBoundaryProps {
  children: React.ReactNode;
  fallback?: React.ComponentType<{ error: Error | null; retry: () => void }>;
}

class ErrorBoundary extends React.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: React.ErrorInfo) {
    console.error('ErrorBoundary caught an error:', error, errorInfo);
  }

  retry = () => {
    this.setState({ hasError: false, error: null });
  };

  render() {
    if (this.state.hasError) {
      if (this.props.fallback) {
        const FallbackComponent = this.props.fallback;
        return <FallbackComponent error={this.state.error} retry={this.retry} />;
      }

      return (
        <div className="min-h-screen w-full flex items-center justify-center bg-surface">
          <div className="text-center max-w-md p-6">
            <div className="text-red-500 text-6xl mb-4">⚠️</div>
            <h2 className="text-xl font-semibold text-gray-800 mb-2">
              Une erreur s'est produite
            </h2>
            <p className="text-gray-600 mb-4">
              L'application a rencontré un problème inattendu.
            </p>
            <button
              onClick={this.retry}
              className="px-4 py-2 bg-primary text-white rounded hover:bg-primary/90 transition-colors"
            >
              Réessayer
            </button>
            {this.state.error && (
              <details className="mt-4 text-left">
                <summary className="cursor-pointer text-sm text-gray-500">
                  Détails de l'erreur
                </summary>
                <pre className="mt-2 text-xs text-red-600 bg-red-50 p-2 rounded overflow-auto">
                  {this.state.error.toString()}
                </pre>
              </details>
            )}
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}

export default ErrorBoundary;