import React, { Component, ErrorInfo, ReactNode } from "react";
import { AlertCircle, RefreshCw, Trash2 } from 'lucide-react';

interface Props {
  children?: ReactNode;
}

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

export class ErrorBoundary extends Component<Props, State> {
  constructor(props: Props) {
    super(props);
    this.state = {
      hasError: false,
      error: null
    };
  }

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

  public componentDidCatch(error: Error, errorInfo: ErrorInfo) {
    console.error("Uncaught error:", error, errorInfo);
  }

  public render() {
    if (this.state.hasError) {
      return (
        <div className="flex flex-col items-center justify-center min-h-screen bg-slate-50 p-6 text-center animate-fade-in">
            <div className="bg-white p-8 rounded-3xl shadow-xl max-w-md w-full border border-slate-100 flex flex-col items-center">
                <div className="w-20 h-20 bg-red-50 text-red-500 rounded-full flex items-center justify-center mb-6 shadow-sm">
                    <AlertCircle size={40} />
                </div>
                <h2 className="text-2xl font-extrabold text-slate-800 mb-2">Something went wrong</h2>
                <p className="text-slate-500 mb-8 text-sm leading-relaxed bg-slate-50 p-4 rounded-xl border border-slate-100 w-full font-mono break-all">
                    {this.state.error?.message || "An unexpected error occurred."}
                </p>
                
                <div className="space-y-3 w-full">
                    <button 
                        onClick={() => window.location.reload()}
                        className="w-full py-3.5 bg-indigo-600 hover:bg-indigo-700 text-white rounded-xl font-bold flex items-center justify-center gap-2 transition-all active:scale-95 shadow-lg shadow-indigo-200"
                    >
                        <RefreshCw size={18} /> Reload App
                    </button>
                    
                    <button 
                        onClick={() => {
                            localStorage.clear();
                            window.location.reload();
                        }}
                        className="w-full py-3.5 bg-white border-2 border-red-100 text-red-500 hover:bg-red-50 hover:border-red-200 rounded-xl font-bold flex items-center justify-center gap-2 transition-all active:scale-95"
                    >
                        <Trash2 size={18} /> Clear Data & Reset
                    </button>
                </div>
                
                <p className="text-[10px] text-slate-400 mt-6 font-medium">
                    * If reloading doesn't work, try clearing data.
                </p>
            </div>
        </div>
      );
    }

    return this.props.children;
  }
}