import { Component, type ReactNode, type ErrorInfo } from "react";
import Box from "@mui/material/Box";
import Typography from "@mui/material/Typography";
import { Button } from "../ui";

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

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

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

  componentDidCatch(error: Error, info: ErrorInfo) {
    // Logged to the console only — the app has no client telemetry/error
    // reporting service today. This is the hook to forward to one (Sentry,
    // etc.) if/when it's added.
    console.error("ErrorBoundary caught:", error, info);
  }

  render() {
    if (this.state.hasError) {
      return (
        <Box
          sx={{
            minHeight: "60vh",
            display: "flex",
            flexDirection: "column",
            alignItems: "center",
            justifyContent: "center",
            gap: 2,
            textAlign: "center",
          }}
        >
          <Typography variant="h5">Něco se pokazilo</Typography>
          <Typography variant="body2" color="text.secondary">
            {this.state.error?.message}
          </Typography>
          <Button onClick={() => window.location.reload()}>
            Obnovit stránku
          </Button>
        </Box>
      );
    }
    return this.props.children;
  }
}
