/* eslint-disable @typescript-eslint/naming-convention */

import {type Manifest} from 'webextension-polyfill';

/**
 * Creates the WebExtension manifest based on the browser target.
 *
 * @param browser The browser target ("firefox" or "chromium").
 * @returns The WebExtension manifest.
 */
export function createManifest(browser: string): Manifest.WebExtensionManifest {
  const manifest: Manifest.WebExtensionManifest = {
    manifest_version: Number.NaN,
    name: 'Queue',
    version: '0.3.2',
    permissions: ['contextMenus', 'storage'],
    options_ui: {
      page: 'options/index.html',
      open_in_tab: true,
    },
  };

  const icons: Manifest.IconPath = {
    128: 'queue.png',
  };

  const action: Manifest.ActionManifest = {
    default_icon: icons,
  };

  const backgroundScript = 'background/setup.js';

  if (browser === 'firefox') {
    manifest.manifest_version = 2;
    manifest.background = {
      scripts: [backgroundScript],
    };
    manifest.browser_action = action;
    manifest.browser_specific_settings = {
      gecko: {
        id: '{c3560e6b-00e5-4ab3-b89e-8a54ee5b2c9f}',
        strict_min_version: '102.0',
      },
    };
  } else if (browser === 'chromium') {
    manifest.manifest_version = 3;
    manifest.action = action;
    manifest.background = {
      service_worker: backgroundScript,
      type: 'module',
    };
  } else {
    throw new Error(`Unknown target browser: ${browser}`);
  }

  if (Number.isNaN(manifest.manifest_version)) {
    throw new TypeError('Manifest version is NaN');
  }

  return manifest;
}