import React, { useEffect, useState } from 'react';
import { X, CheckCircle2, AlertCircle, Info, Sparkles } from 'lucide-react';

export type ToastType = 'success' | 'error' | 'info' | 'milestone';

export interface Toast {
  id: string;
  type: ToastType;
  title: string;
  message?: string;
  duration?: number;
  icon?: React.ReactNode;
}

interface ToastNotificationProps {
  toast: Toast;
  onClose: (id: string) => void;
}

export const ToastNotification: React.FC<ToastNotificationProps> = ({ toast, onClose }) => {
  const [isExiting, setIsExiting] = useState(false);

  useEffect(() => {
    const duration = toast.duration || 5000;
    const timer = setTimeout(() => {
      setIsExiting(true);
      setTimeout(() => onClose(toast.id), 300); // Wait for animation
    }, duration);

    return () => clearTimeout(timer);
  }, [toast.id, toast.duration, onClose]);

  const getIcon = () => {
    if (toast.icon) return toast.icon;

    switch (toast.type) {
      case 'success':
        return <CheckCircle2 className="w-5 h-5" />;
      case 'error':
        return <AlertCircle className="w-5 h-5" />;
      case 'milestone':
        return <Sparkles className="w-5 h-5" />;
      case 'info':
      default:
        return <Info className="w-5 h-5" />;
    }
  };

  const getStyles = () => {
    switch (toast.type) {
      case 'success':
        return 'bg-green-50 border-green-200 text-green-800';
      case 'error':
        return 'bg-red-50 border-red-200 text-red-800';
      case 'milestone':
        return 'bg-gradient-to-r from-purple-50 to-pink-50 border-purple-200 text-purple-800';
      case 'info':
      default:
        return 'bg-blue-50 border-blue-200 text-blue-800';
    }
  };

  return (
    <div
      className={`
        w-full max-w-sm p-4 rounded-lg border shadow-lg backdrop-blur-sm
        transition-all duration-300 transform
        ${getStyles()}
        ${isExiting ? 'opacity-0 translate-x-full' : 'opacity-100 translate-x-0'}
      `}
    >
      <div className="flex items-start gap-3">
        {/* Icon */}
        <div className="flex-shrink-0 mt-0.5">
          {getIcon()}
        </div>

        {/* Content */}
        <div className="flex-1 min-w-0">
          <h3 className="text-sm font-semibold mb-0.5">
            {toast.title}
          </h3>
          {toast.message && (
            <p className="text-sm opacity-90">
              {toast.message}
            </p>
          )}
        </div>

        {/* Close Button */}
        <button
          onClick={() => {
            setIsExiting(true);
            setTimeout(() => onClose(toast.id), 300);
          }}
          className="flex-shrink-0 p-1 hover:bg-black/10 rounded transition-colors"
        >
          <X className="w-4 h-4" />
        </button>
      </div>

      {/* Progress Bar */}
      {toast.type === 'milestone' && (
        <div className="mt-3 h-1 bg-white/30 rounded-full overflow-hidden">
          <div
            className="h-full bg-gradient-to-r from-purple-400 to-pink-400 animate-pulse"
            style={{
              animation: `progress ${toast.duration || 5000}ms linear`
            }}
          />
        </div>
      )}
    </div>
  );
};