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/*
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Creates a stripe checkout session that sets up automatic billing via a stripe usage-based subscription.
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This is mainly used to *increase* the user's balance periodically so that their subscriptions will
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get automatically paid.  Also, if they are allowed to let their balance go below 0, this periodically
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tops it back up to 0.
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*/
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import getAccountId from "lib/account/get-account";
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import { createStripeUsageBasedSubscription } from "@cocalc/server/purchases/stripe-usage-based-subscription";
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import getParams from "lib/api/get-params";
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export default async function handle(req, res) {
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  try {
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    res.json(await get(req));
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  } catch (err) {
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    res.json({ error: `${err.message}` });
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    return;
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  }
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}
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async function get(req) {
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  const account_id = await getAccountId(req);
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  if (account_id == null) {
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    throw Error("must be signed in");
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  }
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  const { success_url, cancel_url } = getParams(req);
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  return await createStripeUsageBasedSubscription({
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    account_id,
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    success_url,
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    cancel_url,
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  });
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}
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