frontend/src/components/ErrorBoundary.jsx

import React from "react";

class ErrorBoundary extends React.Component {
  constructor(props) {
    super(props);
    this.state = { hasError: false, error: null };
  }

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

  componentDidCatch(error, errorInfo) {
    console.error("Error caught by boundary:", error, errorInfo);
  }

  render() {
    if (this.state.hasError) {
      return (
        <div className="min-h-screen bg-[#FAFAFA] flex items-center justify-center p-8">
          <div className="max-w-md w-full bg-white rounded-2xl border border-red-200 p-8 shadow-lg">
            <div className="text-center">
              <div className="h-16 w-16 mx-auto rounded-full bg-red-100 flex items-center justify-center mb-4">
                <svg
                  className="h-8 w-8 text-red-600"
                  fill="none"
                  viewBox="0 0 24 24"
                  stroke="currentColor"
                >
                  <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>
              <h2 className="text-xl font-bold text-slate-900 mb-2">
                Something went wrong
              </h2>
              <p className="text-sm text-slate-600 mb-6">
                The application encountered an error. Please refresh the page or contact support if the problem persists.
              </p>
              <button
                onClick={() => window.location.reload()}
                className="px-6 py-2 bg-indigo-600 text-white rounded-lg font-semibold hover:bg-indigo-700 transition-colors"
              >
                Refresh Page
              </button>
              {process.env.NODE_ENV === "development" && this.state.error && (
                <details className="mt-6 text-left">
                  <summary className="text-sm text-slate-500 cursor-pointer mb-2">
                    Error Details (Development Only)
                  </summary>
                  <pre className="text-xs bg-slate-100 p-4 rounded-lg overflow-auto max-h-64">
                    {this.state.error.toString()}
                    {this.state.error.stack}
                  </pre>
                </details>
              )}
            </div>
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}

export default ErrorBoundary;