// Copyright 2025 Stefan Prodan.
// SPDX-License-Identifier: AGPL-3.0
import { signal, effect } from '@preact/signals'
// LocalStorage key for favorites
const STORAGE_KEY = 'favorites'
/**
* Get favorites from localStorage
* @returns {Array} Array of favorite objects [{kind, namespace, name}, ...]
*/
const getFavoritesFromStorage = () => {
try {
const stored = localStorage.getItem(STORAGE_KEY)
return stored ? JSON.parse(stored) : []
} catch {
return []
}
}
/**
* Generate a unique key for a favorite resource
* @param {string} kind - Resource kind
* @param {string} namespace - Resource namespace
* @param {string} name - Resource name
* @returns {string} Unique key in format "kind/namespace/name"
*/
export function getFavoriteKey(kind, namespace, name) {
return `${kind}/${namespace}/${name}`
}
// Reactive signal for favorites list
// New favorites are added to the beginning of the array (top of list)
export const favorites = signal(getFavoritesFromStorage())
// Sync favorites to localStorage whenever they change
effect(() => {
localStorage.setItem(STORAGE_KEY, JSON.stringify(favorites.value))
})
/**
* Check if a resource is favorite
* @param {string} kind - Resource kind
* @param {string} namespace - Resource namespace
* @param {string} name - Resource name
* @returns {boolean} True if resource is favorite
*/
export function isFavorite(kind, namespace, name) {
const key = getFavoriteKey(kind, namespace, name)
return favorites.value.some(f => getFavoriteKey(f.kind, f.namespace, f.name) === key)
}
/**
* Add a resource to favorites (at the beginning of the list)
* @param {string} kind - Resource kind
* @param {string} namespace - Resource namespace
* @param {string} name - Resource name
*/
export function addFavorite(kind, namespace, name) {
if (!isFavorite(kind, namespace, name)) {
// Add to beginning of array (top of list)
favorites.value = [{ kind, namespace, name }, ...favorites.value]
}
}
/**
* Remove a resource from favorites
* @param {string} kind - Resource kind
* @param {string} namespace - Resource namespace
* @param {string} name - Resource name
*/
export function removeFavorite(kind, namespace, name) {
const key = getFavoriteKey(kind, namespace, name)
favorites.value = favorites.value.filter(f => getFavoriteKey(f.kind, f.namespace, f.name) !== key)
}
/**
* Toggle favorite status of a resource
* @param {string} kind - Resource kind
* @param {string} namespace - Resource namespace
* @param {string} name - Resource name
*/
export function toggleFavorite(kind, namespace, name) {
if (isFavorite(kind, namespace, name)) {
removeFavorite(kind, namespace, name)
} else {
addFavorite(kind, namespace, name)
}
}
/**
* Reorder favorites by moving a favorite from one index to another
* @param {Array} newOrder - New array of favorites in desired order
*/
export function reorderFavorites(newOrder) {
favorites.value = newOrder
}
/**
* Clear all favorites
*/
export function clearFavorites() {
favorites.value = []
}
