import { writable } from 'svelte/store';

export interface Notification {
  id: string;
  heading: string;
  description?: string;
  duration?: number;
}

function createNotificationStore() {
  const { subscribe, update } = writable<Notification[]>([]);

  return {
    subscribe,
    add: (notification: Omit<Notification, 'id'>) => {
      const id = crypto.randomUUID();

      update((notifications) => [...notifications, { ...notification, id }]);

      return id;
    },
    remove: (id: string) => {
      update((notifications) => notifications.filter((n) => n.id !== id));
    }
  };
}

export const notifications = createNotificationStore();

export function addNotification(notification: Omit<Notification, 'id'>) {
  return notifications.add(notification);
}