import { Component, type ErrorInfo, type ReactNode } from 'react';
import { AlertTriangle, RefreshCcw } from 'lucide-react';
import { Button } from './Button';

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

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

export class ErrorBoundary extends Component<Props, State> {
  public state: State = {
    hasError: false,
    error: null
  };

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

  public componentDidCatch(error: Error, errorInfo: ErrorInfo) {
    console.error(`[ErrorBoundary] Caught error in ${this.props.appName || 'component'}:`, error, errorInfo);
  }

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

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

      return (
        <div className="flex flex-col items-center justify-center p-8 h-full bg-surface/50 border border-error/20 rounded-2xl">
          <div className="w-16 h-16 bg-error/10 text-error rounded-2xl flex items-center justify-center mb-4">
            <AlertTriangle className="w-8 h-8" />
          </div>
          <h2 className="text-xl font-bold text-text mb-2">Error en el módulo {this.props.appName && `"${this.props.appName}"`}</h2>
          <p className="text-sm text-text-muted mb-6 text-center max-w-md">
            {this.state.error?.message || "Ha ocurrido un error inesperado al renderizar este micro-frontend."}
          </p>
          <Button variant="secondary" onClick={this.handleReset} className="gap-2">
            <RefreshCcw className="w-4 h-4" /> Intentar de nuevo
          </Button>
        </div>
      );
    }

    return this.props.children;
  }
}