/*
 * Copyright (C) Contributors to the Suwayomi project
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

import { CategoryType } from '@/lib/graphql/generated/graphql.ts';

export const DEFAULT_CATEGORY_ID = 0;

export type CategoryIdInfo = Pick<CategoryType, 'id'>;
export type CategoryNameInfo = Pick<CategoryType, 'name'>;
export type CategoryDefaultInfo = Pick<CategoryType, 'default'>;
export type CategoryUpdateInclusionInfo = Pick<CategoryType, 'includeInUpdate'>;
export type CategoryDownloadInclusionInfo = Pick<CategoryType, 'includeInDownload'>;

export class Categories {
    static getIds(categories: CategoryIdInfo[]): number[] {
        return categories.map((category) => category.id);
    }

    static getUserCreated<Category extends CategoryIdInfo>(categories: Category[]): Category[] {
        return categories.filter((category) => category.id !== DEFAULT_CATEGORY_ID);
    }

    static getDefaults<Category extends CategoryDefaultInfo>(categories: Category[]): Category[] {
        return categories.filter((category) => category.default);
    }
}