"use client";

import { useEffect, useState } from "react";
import {
  notificationManager,
  AppNotification,
} from "@/lib/utils/notifications";

export default function NotificationToast() {
  const [notifications, setNotifications] = useState<AppNotification[]>([]);

  useEffect(() => {
    const handleNotificationsChange = (newNotifications: AppNotification[]) => {
      setNotifications(newNotifications);
    };

    notificationManager.addListener(handleNotificationsChange);
    setNotifications(notificationManager.getNotifications());

    return () => {
      notificationManager.removeListener(handleNotificationsChange);
    };
  }, []);

  const getIcon = (type: string) => {
    switch (type) {
      case "success":
        return (
          <svg className="w-5 h-5" fill="currentColor" viewBox="0 0 20 20">
            <path
              fillRule="evenodd"
              d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z"
              clipRule="evenodd"
            />
          </svg>
        );
      case "error":
        return (
          <svg className="w-5 h-5" fill="currentColor" viewBox="0 0 20 20">
            <path
              fillRule="evenodd"
              d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z"
              clipRule="evenodd"
            />
          </svg>
        );
      case "warning":
        return (
          <svg className="w-5 h-5" fill="currentColor" viewBox="0 0 20 20">
            <path
              fillRule="evenodd"
              d="M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z"
              clipRule="evenodd"
            />
          </svg>
        );
      case "info":
        return (
          <svg className="w-5 h-5" fill="currentColor" viewBox="0 0 20 20">
            <path
              fillRule="evenodd"
              d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a1 1 0 000 2v3a1 1 0 001 1h1a1 1 0 100-2v-3a1 1 0 00-1-1H9z"
              clipRule="evenodd"
            />
          </svg>
        );
      default:
        return null;
    }
  };

  const getTypeClasses = (type: string) => {
    switch (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 "warning":
        return "bg-yellow-50 border-yellow-200 text-yellow-800";
      case "info":
        return "bg-blue-50 border-blue-200 text-blue-800";
      default:
        return "bg-gray-50 border-gray-200 text-gray-800";
    }
  };

  if (notifications.length === 0) {
    return null;
  }

  return (
    <div className="fixed top-4 right-4 z-50 space-y-2">
      {notifications.map((notification) => (
        <div
          key={notification.id}
          className={`max-w-sm w-full border rounded-lg shadow-lg p-4 transition-all duration-300 transform ${getTypeClasses(
            notification.type
          )}`}
        >
          <div className="flex items-start">
            <div className="flex-shrink-0">{getIcon(notification.type)}</div>
            <div className="ml-3 flex-1">
              <p className="text-sm font-medium">{notification.title}</p>
              <p className="text-sm mt-1 opacity-90">{notification.message}</p>
            </div>
            <div className="ml-4 flex-shrink-0">
              <button
                onClick={() =>
                  notificationManager.removeNotification(notification.id)
                }
                className="inline-flex text-gray-400 hover:text-gray-600 focus:outline-none focus:text-gray-600 transition-colors"
              >
                <svg
                  className="w-4 h-4"
                  fill="none"
                  stroke="currentColor"
                  viewBox="0 0 24 24"
                >
                  <path
                    strokeLinecap="round"
                    strokeLinejoin="round"
                    strokeWidth={2}
                    d="M6 18L18 6M6 6l12 12"
                  />
                </svg>
              </button>
            </div>
          </div>
        </div>
      ))}
    </div>
  );
}