picpeak/frontend/src/components/common/ErrorBoundary.tsx

import React, { Component } from 'react';
import type { ReactNode } from 'react';
import { AlertTriangle, RefreshCw } from 'lucide-react';
import { Button } from './Button';
import i18n from '../../i18n/config';

interface Props {
  children: ReactNode;
  fallback?: ReactNode;
}

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

export class ErrorBoundary extends Component<Props, State> {
  constructor(props: Props) {
    super(props);
    this.state = { hasError: false, error: null };
  }

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

  componentDidCatch(error: Error, errorInfo: React.ErrorInfo) {
    if (process.env.NODE_ENV === 'development') {
      console.error('Error caught by boundary:', error, errorInfo);
      console.error('Component stack:', errorInfo.componentStack);
      console.error('Error message:', error.message);
      console.error('Error stack:', error.stack);
    }
  }

  handleReset = () => {
    this.setState({ hasError: false, error: null });
    window.location.reload();
  };

  render() {
    if (this.state.hasError) {
      if (this.props.fallback) {
        return <>{this.props.fallback}</>;
      }

      return (
        <div className="min-h-[400px] flex items-center justify-center p-4">
          <div className="text-center max-w-md">
            <AlertTriangle className="w-12 h-12 text-red-500 mx-auto mb-4" />
            <h2 className="text-lg font-semibold text-neutral-900 mb-2">
              {i18n.t('errors.somethingWentWrong')}
            </h2>
            <p className="text-sm text-neutral-600 mb-6">
              {this.state.error?.message || i18n.t('errors.tryAgainLater')}
            </p>
            <Button
              onClick={this.handleReset}
              leftIcon={<RefreshCw className="w-4 h-4" />}
            >
              {i18n.t('errors.refreshPage')}
            </Button>
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}

// Page-level error boundary with more prominent UI
export class PageErrorBoundary extends Component<Props, State> {
  constructor(props: Props) {
    super(props);
    this.state = { hasError: false, error: null };
  }

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

  componentDidCatch(error: Error, errorInfo: React.ErrorInfo) {
    if (process.env.NODE_ENV === 'development') {
      console.error('Page error:', error, errorInfo);
    }
  }

  handleReset = () => {
    this.setState({ hasError: false, error: null });
    window.location.href = '/';
  };

  render() {
    if (this.state.hasError) {
      return (
        <div className="min-h-screen bg-neutral-50 flex items-center justify-center p-4">
          <div className="bg-white rounded-lg shadow-lg p-8 max-w-md w-full text-center">
            <AlertTriangle className="w-16 h-16 text-red-500 mx-auto mb-6" />
            <h1 className="text-2xl font-bold text-neutral-900 mb-4">
              {i18n.t('errors.oopsSomethingWentWrong')}
            </h1>
            <p className="text-neutral-600 mb-8">
              {i18n.t('errors.unexpectedError')}
            </p>
            <div className="space-y-3">
              <Button
                variant="primary"
                onClick={this.handleReset}
                leftIcon={<RefreshCw className="w-4 h-4" />}
                className="w-full"
              >
                {i18n.t('errors.goToHomepage')}
              </Button>
              <Button
                variant="outline"
                onClick={() => window.location.reload()}
                className="w-full"
              >
                {i18n.t('gallery.tryAgain')}
              </Button>
            </div>
            {import.meta.env.DEV && this.state.error && (
              <details className="mt-8 text-left">
                <summary className="text-sm text-neutral-500 cursor-pointer hover:text-neutral-700">
                  {i18n.t('errors.errorDetails')}
                </summary>
                <pre className="mt-2 text-xs bg-neutral-100 p-3 rounded overflow-auto">
                  {this.state.error.stack}
                </pre>
              </details>
            )}
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}