import React from 'react';
import { AlertTriangle, RefreshCw, Home } from 'lucide-react';
import { Button } from '@/components/ui/button';

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

interface ErrorBoundaryProps {
  children: React.ReactNode;
  fallback?: React.ReactNode;
  onReset?: () => void;
}

export 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 };
  }

  handleReset = () => {
    this.setState({ hasError: false, error: null });
    this.props.onReset?.();
  };

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

      return (
        <div className="flex flex-col items-center justify-center min-h-layout-page p-6 text-center animate-fade-in">
          {/* Animated icon */}
          <div className="relative mb-6">
            <div className="absolute inset-0 bg-destructive/20 rounded-full blur-2xl animate-pulse" />
            <div className="relative bg-destructive/10 rounded-full p-6">
              <AlertTriangle className="h-12 w-12 text-destructive" />
            </div>
          </div>

          <h2 className="text-heading-2 mb-2">Something went wrong</h2>
          <p className="text-muted-foreground max-w-md mb-6">
            An unexpected error occurred. This has been logged and we&apos;ll look into it.
          </p>

          {/* Error details (collapsible) */}
          {this.state.error && (
            <details className="mb-6 w-full max-w-md text-left">
              <summary className="text-caption cursor-pointer hover:text-foreground transition-colors">
                Technical details
              </summary>
              <pre className="mt-2 p-3 rounded-lg bg-muted text-xs text-muted-foreground overflow-auto max-h-32">
                {this.state.error.message}
              </pre>
            </details>
          )}

          {/* Actions */}
          <div className="flex gap-3">
            <Button onClick={this.handleReset} className="gap-2">
              <RefreshCw className="h-4 w-4" /> Try again
            </Button>
            <Button variant="outline" onClick={() => window.location.href = '/'} className="gap-2">
              <Home className="h-4 w-4" /> Go home
            </Button>
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}
