frontend/src/components/shared/ErrorBoundary.tsx

import React, { Component, ErrorInfo, ReactNode } from "react";
import { AlertCircle } from "lucide-react";

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

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 an error:", error, errorInfo);
  }

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

      return (
        <div className="flex items-center justify-center min-h-[200px] p-4">
          <div className="text-center">
            <AlertCircle className="h-12 w-12 text-destructive mx-auto mb-4" />
            <h3 className="text-lg font-semibold mb-2">Something went wrong</h3>
            <p className="text-sm text-muted-foreground mb-4">
              {this.state.error?.message || "An unexpected error occurred"}
            </p>
            <button
              onClick={() => this.setState({ hasError: false, error: null })}
              className="px-4 py-2 bg-primary text-primary-foreground rounded-md hover:bg-primary/90"
            >
              Try again
            </button>
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}