import React, { Component, ReactNode } from "react";
import { Box, Button, Typography, Paper, Container } from "@mui/material";
import { RefreshCw, Home, AlertTriangle } from "lucide-react";

interface Props {
  children: ReactNode;
}

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

export class GlobalErrorBoundary 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: React.ErrorInfo) {
    console.error("❌ GlobalErrorBoundary: Критическая ошибка приложения", {
      error: error.message,
      stack: error.stack,
      componentStack: errorInfo.componentStack,
    });
  }

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

  handleGoHome = () => {
    this.setState({
      hasError: false,
      error: null,
    });
    window.location.href = "/";
  };

  render() {
    if (this.state.hasError) {
      return (
        <Box
          sx={{
            minHeight: "100vh",
            display: "flex",
            justifyContent: "center",
            alignItems: "center",
            backgroundColor: "background.default",
            p: 2,
          }}
        >
          <Container maxWidth="sm">
            <Paper
              elevation={3}
              sx={{
                p: 4,
                textAlign: "center",
              }}
            >
              <Box
                sx={{
                  display: "flex",
                  justifyContent: "center",
                  mb: 3,
                }}
              >
                <AlertTriangle size={64} color="#f44336" />
              </Box>

              <Typography variant="h4" component="h1" gutterBottom>
                Упс! Что-то пошло не так
              </Typography>

              <Typography variant="body1" color="text.secondary" sx={{ mb: 3 }}>
                Приложение столкнулось с неожиданной ошибкой. Попробуйте
                перезагрузить страницу или вернуться на главную.
              </Typography>

              {this.state.error?.message && (
                <Paper
                  variant="outlined"
                  sx={{
                    p: 2,
                    mb: 3,
                    backgroundColor: "error.light",
                    color: "error.contrastText",
                    textAlign: "left",
                  }}
                >
                  <Typography
                    variant="caption"
                    sx={{ fontWeight: "bold", display: "block", mb: 1 }}
                  >
                    Информация об ошибке:
                  </Typography>
                  <Typography
                    variant="caption"
                    sx={{
                      fontFamily: "monospace",
                      fontSize: "0.75rem",
                      wordBreak: "break-word",
                      display: "block",
                    }}
                  >
                    {this.state.error.message}
                  </Typography>
                </Paper>
              )}

              <Box
                sx={{
                  display: "flex",
                  gap: 2,
                  justifyContent: "center",
                  flexWrap: "wrap",
                }}
              >
                <Button
                  variant="outlined"
                  startIcon={<Home size={16} />}
                  onClick={this.handleGoHome}
                  size="large"
                >
                  На главную
                </Button>
                <Button
                  variant="contained"
                  startIcon={<RefreshCw size={16} />}
                  onClick={this.handleReset}
                  size="large"
                >
                  Перезагрузить
                </Button>
              </Box>
            </Paper>
          </Container>
        </Box>
      );
    }

    return this.props.children;
  }
}