import React, { Component, ErrorInfo, ReactNode } from 'react';

interface Props {
  children: ReactNode;
}

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

export default 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: ErrorInfo) {
    console.error('ErrorBoundary caught an error:', error, errorInfo);
  }

  handleReload = () => {
    window.location.reload();
  };

  render() {
    if (this.state.hasError) {
      return (
        <div className="min-h-screen w-full flex items-center justify-center bg-slate-50 p-4 font-sans">
          <div className="max-w-md w-full bg-white rounded-xl shadow-lg p-8 text-center border border-slate-200">
            <div className="mb-6 flex justify-center">
              <div className="bg-red-100 p-3 rounded-full">
                <svg 
                  className="w-8 h-8 text-red-600" 
                  fill="none" 
                  stroke="currentColor" 
                  viewBox="0 0 24 24"
                >
                  <path 
                    strokeLinecap="round" 
                    strokeLinejoin="round" 
                    strokeWidth={2} 
                    d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z" 
                  />
                </svg>
              </div>
            </div>
            
            <h1 className="text-2xl font-bold text-slate-900 mb-2">
              Etwas ist schiefgelaufen
            </h1>
            
            <p className="text-slate-600 mb-8">
              {this.state.error?.message || 'Ein unerwarteter Fehler ist aufgetreten. Bitte versuche es erneut.'}
            </p>
            
            <button
              onClick={this.handleReload}
              className="w-full py-3 px-4 bg-indigo-600 hover:bg-indigo-700 text-white font-semibold rounded-lg transition-colors duration-200 shadow-sm"
            >
              Seite neu laden
            </button>
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}