import React from 'react';
import { BellRing, X, Check } from 'lucide-react';
import { Popover, PopoverContent, PopoverTrigger } from '@/components/ui/popover';
import { Button } from '@/components/ui/button';
import { Badge } from '@/components/ui/badge';
import { Separator } from '@/components/ui/separator';
import { toast } from 'sonner';

// 알림 타입 정의
export interface Notification {
  id: string;
  title: string;
  message: string;
  timestamp: Date;
  read: boolean;
}

interface NotificationPopoverProps {
  notifications: Notification[];
  onClearAll: () => void;
  onReadNotification: (id: string) => void;
}

const NotificationPopover: React.FC<NotificationPopoverProps> = ({
  notifications,
  onClearAll,
  onReadNotification
}) => {
  const unreadCount = notifications.filter(notification => !notification.read).length;
  
  const handleClearAll = () => {
    onClearAll();
    toast.success('모든 알림이 삭제되었습니다.');
  };

  const formatDate = (date: Date) => {
    return new Intl.DateTimeFormat('ko-KR', {
      month: 'short',
      day: 'numeric',
      hour: '2-digit',
      minute: '2-digit'
    }).format(date);
  };

  return (
    <Popover>
      <PopoverTrigger asChild>
        <Button variant="ghost" size="icon" className="relative">
          <BellRing size={20} className="text-gray-600" />
          {unreadCount > 0 && (
            <Badge 
              className="absolute -top-1 -right-1 px-1.5 py-0.5 min-w-5 h-5 flex items-center justify-center text-xs bg-neuro-income text-white border-2 border-neuro-background"
            >
              {unreadCount}
            </Badge>
          )}
        </Button>
      </PopoverTrigger>
      <PopoverContent className="w-80 p-0 neuro-flat" align="end">
        <div className="flex items-center justify-between p-4">
          <div className="flex items-center">
            <BellRing size={16} className="mr-2 text-neuro-income" />
            <h3 className="font-medium">알림</h3>
            {unreadCount > 0 && (
              <Badge 
                className="ml-2 px-1.5 py-0.5 bg-neuro-income text-white"
              >
                {unreadCount}
              </Badge>
            )}
          </div>
          {notifications.length > 0 && (
            <Button 
              variant="ghost" 
              size="sm" 
              onClick={handleClearAll}
              className="text-xs hover:bg-red-100 hover:text-red-600"
            >
              모두 삭제
            </Button>
          )}
        </div>
        
        <Separator />
        
        <div className="max-h-[300px] overflow-y-auto">
          {notifications.length === 0 ? (
            <div className="py-6 text-center text-gray-500">
              알림이 없습니다.
            </div>
          ) : (
            notifications.map((notification) => (
              <div key={notification.id} className={`p-4 border-b last:border-b-0 ${!notification.read ? 'bg-[#F2FCE2]' : ''}`}>
                <div className="flex items-start justify-between">
                  <div className="flex-1">
                    <h4 className="text-sm font-medium">{notification.title}</h4>
                    <p className="text-xs text-gray-600 mt-1">{notification.message}</p>
                    <p className="text-xs text-gray-400 mt-1">{formatDate(notification.timestamp)}</p>
                  </div>
                  <Button
                    variant="ghost"
                    size="icon"
                    className="h-6 w-6 rounded-full hover:bg-gray-200"
                    onClick={() => onReadNotification(notification.id)}
                  >
                    {notification.read ? (
                      <Check size={14} className="text-gray-400" />
                    ) : (
                      <X size={14} className="text-gray-400" />
                    )}
                  </Button>
                </div>
              </div>
            ))
          )}
        </div>
      </PopoverContent>
    </Popover>
  );
};

export default NotificationPopover;