/*
Copyright 2024 New Vector Ltd.
Copyright 2019-2021 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/

import { logger } from "matrix-js-sdk/src/logger";
import { MatrixClient } from "matrix-js-sdk/src/matrix";

import { IConfigOptions } from "../IConfigOptions";
import { getEmbeddedPagesWellKnown } from "../utils/WellKnownUtils";
import { SnakedObject } from "./SnakedObject";

export function getHomePageUrl(appConfig: IConfigOptions, matrixClient: MatrixClient): string | undefined {
    const config = new SnakedObject(appConfig);

    const pagesConfig = config.get("embedded_pages");
    let pageUrl = pagesConfig ? new SnakedObject(pagesConfig).get("home_url") : null;

    if (!pageUrl) {
        // This is a deprecated config option for the home page
        // (despite the name, given we also now have a welcome
        // page, which is not the same).
        pageUrl = (<any>appConfig).welcomePageUrl;
        if (pageUrl) {
            logger.warn(
                "You are using a deprecated config option: `welcomePageUrl`. Please use " +
                    "`embedded_pages.home_url` instead, per https://github.com/vector-im/element-web/issues/21428",
            );
        }
    }

    if (!pageUrl) {
        pageUrl = getEmbeddedPagesWellKnown(matrixClient)?.home_url;
    }

    return pageUrl;
}

export function shouldUseLoginForWelcome(appConfig: IConfigOptions): boolean {
    const config = new SnakedObject(appConfig);
    const pagesConfig = config.get("embedded_pages");
    return pagesConfig ? new SnakedObject(pagesConfig).get("login_for_welcome") === true : false;
}