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/*
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 *  This file is part of CoCalc: Copyright © 2020 Sagemath, Inc.
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 *  License: MS-RSL – see LICENSE.md for details
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 */
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// dynamically generate the manifest json file – for html5 web app's
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import { Response } from "express";
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import { join } from "path";
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import { SiteSettingsKeys } from "@cocalc/util/db-schema/site-defaults";
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import base_path from "@cocalc/backend/base-path";
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interface Custom {
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  configuration: Record<SiteSettingsKeys, string>;
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}
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export function send(res: Response, custom: Custom) {
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  const config = custom.configuration;
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  // See https://developer.mozilla.org/en-US/docs/Web/Manifest, which says
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  // "the response of the manifest file should return Content-Type: application/manifest+json)"
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  res.header("Content-Type", "application/manifest+json");
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  const base_app = join(base_path, "app");
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  const manifest = {
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    name: config.site_name,
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    short_name: config.site_name,
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    start_url: `${base_app}?utm_medium=manifest`,
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    scope: base_path,
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    display: "minimal-ui",
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    background_color: "#fbb635",
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    theme_color: "#4474c0",
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    description: config.site_description,
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    icons: [
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      {
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        src:
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          config.logo_square ??
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          "https://storage.googleapis.com/cocalc-extra/cocalc-icon-white-fillin.256px.png",
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        sizes: "256x256",
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        type: "image/png",
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      },
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    ],
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  };
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  res.send(JSON.stringify(manifest, null, 2));
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}
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