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import React, { Component, ErrorInfo, ReactNode } from 'react';
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
import { Button } from '@/components/ui/button';
import { Alert, AlertDescription } from '@/components/ui/alert';
import { AlertTriangle, RefreshCw, Home, Bug } from 'lucide-react';
import i18n from '@/lib/i18n';
interface Props {
children: ReactNode;
fallback?: ReactNode;
onError?: (error: Error, errorInfo: ErrorInfo) => void;
showDetails?: boolean;
resetKeys?: Array<string | number>;
resetOnPropsChange?: boolean;
}
interface State {
hasError: boolean;
error: Error | null;
errorInfo: ErrorInfo | null;
eventId: string | null;
}
export class ErrorBoundary extends Component<Props, State> {
private resetTimeoutId: number | null = null;
constructor(props: Props) {
super(props);
this.state = {
hasError: false,
error: null,
errorInfo: null,
eventId: null};
}
static getDerivedStateFromError(error: Error): Partial<State> {
// Update state so the next render will show the fallback UI
return {
hasError: true,
error,
eventId: `error_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`};
}
componentDidCatch(error: Error, errorInfo: ErrorInfo) {
// Log error details
console.error('ErrorBoundary caught an error:', error, errorInfo);
this.setState({
error,
errorInfo});
// Call custom error handler if provided
if (this.props.onError) {
this.props.onError(error, errorInfo);
}
// Report to error monitoring service (if available)
this.reportError(error, errorInfo);
}
componentDidUpdate(prevProps: Props) {
const { resetKeys, resetOnPropsChange } = this.props;
const { hasError } = this.state;
if (hasError && prevProps.resetKeys !== resetKeys) {
if (resetKeys?.some((key, idx) => prevProps.resetKeys?.[idx] !== key)) {
this.resetErrorBoundary();
}
}
if (hasError && resetOnPropsChange && prevProps.children !== this.props.children) {
this.resetErrorBoundary();
}
}
resetErrorBoundary = () => {
if (this.resetTimeoutId) {
clearTimeout(this.resetTimeoutId);
}
this.setState({
hasError: false,
error: null,
errorInfo: null,
eventId: null});
};
handleRetry = () => {
this.resetErrorBoundary();
};
handleReload = () => {
window.location.reload();
};
handleGoHome = () => {
window.location.href = '/';
};
reportError = (error: Error, errorInfo: ErrorInfo) => {
// Here you would integrate with error monitoring services like Sentry
const errorReport = {
message: error.message,
stack: error.stack,
componentStack: errorInfo.componentStack,
timestamp: new Date().toISOString(),
userAgent: navigator.userAgent,
url: window.location.href,
eventId: this.state.eventId};
// Log to console for development
console.group('🚨 Error Report');
console.error('Error:', error);
console.error('Error Info:', errorInfo);
console.error('Report:', errorReport);
console.groupEnd();
// In production, you would send this to your error monitoring service
// Example: Sentry.captureException(error, { contexts: { errorInfo } });
};
render() {
if (this.state.hasError) {
// Custom fallback UI
if (this.props.fallback) {
return this.props.fallback;
}
// Default error UI
return (
<div className="min-h-screen flex items-center justify-center p-4 bg-gray-50">
<Card className="w-full max-w-2xl">
<CardHeader>
<div className="flex items-center gap-3">
<div className="p-2 bg-red-100 rounded-full">
<AlertTriangle className="h-6 w-6 text-red-600" />
</div>
<div>
<CardTitle className="text-red-900">{i18n.t('common.somethingWentWrong')}</CardTitle>
<CardDescription>{i18n.t('common.unexpectedErrorDescription')}</CardDescription>
</div>
</div>
</CardHeader>
<CardContent className="space-y-4">
{/* Error Message */}
<Alert variant="destructive">
<Bug className="h-4 w-4" />
<AlertDescription>
<strong>{i18n.t('common.error')}</strong> {this.state.error?.message || i18n.t('common.unknownError')}
</AlertDescription>
</Alert>
{/* Error Details (Development) */}
{this.props.showDetails && this.state.error && (
<details className="mt-4">
<summary className="cursor-pointer text-sm font-medium text-gray-700 hover:text-gray-900">
{i18n.t('common.technicalDetails')}
</summary>
<div className="mt-2 p-3 bg-gray-100 rounded-md">
<pre className="text-xs text-gray-800 whitespace-pre-wrap overflow-auto max-h-40">
{this.state.error.stack}
</pre>
{this.state.errorInfo && (
<div className="mt-2 pt-2 border-t border-gray-300">
<p className="text-xs font-medium text-gray-700 mb-1">{i18n.t('common.componentStack')}</p>
<pre className="text-xs text-gray-600 whitespace-pre-wrap overflow-auto max-h-32">
{this.state.errorInfo.componentStack}
</pre>
</div>
)}
</div>
</details>
)}
{/* Error ID */}
{this.state.eventId && (
<div className="text-xs text-gray-500">
{i18n.t('common.errorId')}: <code className="bg-gray-100 px-1 rounded">{this.state.eventId}</code>
</div>
)}
{/* Action Buttons */}
<div className="flex flex-wrap gap-3 pt-4">
<Button onClick={this.handleRetry} variant="default">
<RefreshCw className="h-4 w-4 mr-2" />
{i18n.t('common.tryAgain')}
</Button>
<Button onClick={this.handleReload} variant="outline">
<RefreshCw className="h-4 w-4 mr-2" />
{i18n.t('common.reloadPage')}
</Button>
<Button onClick={this.handleGoHome} variant="outline">
<Home className="h-4 w-4 mr-2" />
{i18n.t('common.goHome')}
</Button>
</div>
{/* Help Text */}
<div className="text-sm text-gray-600 pt-4 border-t">
<p>{i18n.t('common.contactSupport')}</p>
</div>
</CardContent>
</Card>
</div>
);
}
return this.props.children;
}
}
// Hook for functional components to reset error boundary
export function useErrorHandler() {
return (error: Error, errorInfo?: ErrorInfo) => {
console.error('Error caught by useErrorHandler:', error, errorInfo);
throw error; // Re-throw to be caught by ErrorBoundary
};
}
// Higher-order component for easier usage
export function withErrorBoundary<P extends object>(
Component: React.ComponentType<P>,
errorBoundaryProps?: Omit<Props, 'children'>
) {
const WrappedComponent = (props: P) => (
<ErrorBoundary {...errorBoundaryProps}>
<Component {...props} />
</ErrorBoundary>
);
WrappedComponent.displayName = `withErrorBoundary(${Component.displayName || Component.name})`;
return WrappedComponent;
}
export default ErrorBoundary;
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