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path: root/frontend/src/components/shared/Notification.tsx
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'use client';

import { useEffect, useState } from 'react';
import { CheckCircle, AlertCircle, X } from 'lucide-react';

export type NotificationType = 'success' | 'error' | 'info';

interface NotificationProps {
  type: NotificationType;
  message: string;
  duration?: number;
  onClose?: () => void;
}

export function Notification({ 
  type,
  message,
  duration = 5000, // Default duration of 5 seconds
  onClose 
}: NotificationProps) {
  const [isVisible, setIsVisible] = useState(true);

  useEffect(() => {
    if (duration > 0) {
      const timer = setTimeout(() => {
        setIsVisible(false);
        if (onClose) onClose();
      }, duration);
      
      return () => clearTimeout(timer);
    }
  }, [duration, onClose]);

  const handleClose = () => {
    setIsVisible(false);
    if (onClose) onClose();
  };

  if (!isVisible) return null;

  const getIcon = () => {
    switch (type) {
      case 'success':
        return <CheckCircle className="h-5 w-5 text-green-500" />;
      case 'error':
        return <AlertCircle className="h-5 w-5 text-red-500" />;
      case 'info':
        return <AlertCircle className="h-5 w-5 text-blue-500" />;
      default:
        return null;
    }
  };

  const getContainerClasses = () => {
    const baseClasses = 'fixed top-4 right-4 z-50 flex items-center gap-3 rounded-lg p-4 shadow-md max-w-sm';
    
    switch (type) {
      case 'success':
        return `${baseClasses} bg-green-50 text-green-800 border border-green-200`;
      case 'error':
        return `${baseClasses} bg-red-50 text-red-800 border border-red-200`;
      case 'info':
        return `${baseClasses} bg-blue-50 text-blue-800 border border-blue-200`;
      default:
        return baseClasses;
    }
  };

  return (
    <div className={getContainerClasses()}>
      {getIcon()}
      <div className="flex-1">{message}</div>
      <button 
        onClick={handleClose} 
        className="text-gray-500 hover:text-gray-700 focus:outline-none"
        aria-label="Close notification"
      >
        <X className="h-4 w-4" />
      </button>
    </div>
  );
}