"use client";

import React, { Component, ErrorInfo, ReactNode } from 'react';
import { Button } from '@/components/ui/button';
import { RefreshCw } from 'lucide-react';

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

interface State {
  hasError: boolean;
  error?: Error;
}

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

  static getDerivedStateFromError(error: Error): State {
    // Check if it's a chunk loading error
    if (error.name === 'ChunkLoadError' || error.message.includes('Loading chunk')) {
      return { hasError: true, error };
    }
    return { hasError: false };
  }

  componentDidCatch(error: Error, errorInfo: ErrorInfo) {
    console.error('Chunk loading error:', error, errorInfo);
    
    // If it's a chunk loading error, try to reload the page
    if (error.name === 'ChunkLoadError' || error.message.includes('Loading chunk')) {
      this.setState({ hasError: true, error });
    }
  }

  handleRetry = () => {
    // Clear the error state and reload the page
    this.setState({ hasError: false, error: undefined });
    window.location.reload();
  };

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

      return (
        <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-slate-50 via-white to-slate-50">
          <div className="text-center p-8 max-w-md">
            <div className="mb-6">
              <div className="w-16 h-16 bg-red-100 rounded-full flex items-center justify-center mx-auto mb-4">
                <RefreshCw className="w-8 h-8 text-red-600" />
              </div>
              <h2 className="text-xl font-semibold text-gray-900 mb-2">
                Chunk Loading Error
              </h2>
              <p className="text-gray-600 mb-6">
                There was an issue loading a part of the application. This usually happens when the application has been updated.
              </p>
            </div>
            
            <div className="space-y-3">
              <Button 
                onClick={this.handleRetry}
                className="w-full bg-blue-600 hover:bg-blue-700 text-white"
              >
                <RefreshCw className="w-4 h-4 mr-2" />
                Reload Application
              </Button>
              
              <Button 
                onClick={() => window.location.href = '/'}
                variant="outline"
                className="w-full"
              >
                Go to Homepage
              </Button>
            </div>
            
            {process.env.NODE_ENV === 'development' && this.state.error && (
              <details className="mt-6 text-left">
                <summary className="cursor-pointer text-sm text-gray-500 hover:text-gray-700">
                  Error Details (Development)
                </summary>
                <pre className="mt-2 p-3 bg-gray-100 rounded text-xs overflow-auto">
                  {this.state.error.message}
                </pre>
              </details>
            )}
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}

export default ChunkErrorBoundary;