Desktop/ts/util/subscriptionConfiguration.preload.ts

// Copyright 2025 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

import { pickBy } from 'lodash';
import type { SubscriptionConfigurationResultType } from '../textsecure/WebAPI.preload.js';
import { getSubscriptionConfiguration } from '../textsecure/WebAPI.preload.js';
import {
  PaymentMethod,
  type OneTimeDonationHumanAmounts,
} from '../types/Donations.std.js';
import { HOUR } from './durations/index.std.js';
import { isInPast } from './timestamp.std.js';

const SUBSCRIPTION_CONFIG_CACHE_TIME = HOUR;

let cachedSubscriptionConfig: SubscriptionConfigurationResultType | undefined;
let cachedSubscriptionConfigExpiresAt: number | undefined;

export async function getCachedSubscriptionConfiguration(): Promise<SubscriptionConfigurationResultType> {
  if (
    cachedSubscriptionConfigExpiresAt != null &&
    isInPast(cachedSubscriptionConfigExpiresAt)
  ) {
    cachedSubscriptionConfig = undefined;
  }

  if (cachedSubscriptionConfig != null) {
    return cachedSubscriptionConfig;
  }

  const response = await getSubscriptionConfiguration();

  cachedSubscriptionConfig = response;
  cachedSubscriptionConfigExpiresAt =
    Date.now() + SUBSCRIPTION_CONFIG_CACHE_TIME;

  return response;
}

export async function getDonationHumanAmounts(): Promise<OneTimeDonationHumanAmounts> {
  const { currencies } = await getCachedSubscriptionConfiguration();
  // pickBy returns a Partial so we need to cast it
  return pickBy(
    currencies,
    ({ supportedPaymentMethods }) =>
      supportedPaymentMethods.includes(PaymentMethod.Card) ||
      supportedPaymentMethods.includes(PaymentMethod.Paypal)
  ) as unknown as OneTimeDonationHumanAmounts;
}