type Stripe = {

  token: string;

};

/**

 * Get customers customer payment methods

 * Returns a list of PaymentMethods for a given Customer

 */

export async function main(

  auth: Stripe,

  customer: string,

  ending_before: string | undefined,

  expand: any,

  limit: string | undefined,

  starting_after: string | undefined,

  type:

    | "acss_debit"

    | "affirm"

    | "afterpay_clearpay"

    | "alipay"

    | "au_becs_debit"

    | "bacs_debit"

    | "bancontact"

    | "blik"

    | "boleto"

    | "card"

    | "cashapp"

    | "customer_balance"

    | "eps"

    | "fpx"

    | "giropay"

    | "grabpay"

    | "ideal"

    | "klarna"

    | "konbini"

    | "link"

    | "oxxo"

    | "p24"

    | "paynow"

    | "paypal"

    | "pix"

    | "promptpay"

    | "revolut_pay"

    | "sepa_debit"

    | "sofort"

    | "swish"

    | "us_bank_account"

    | "wechat_pay"

    | "zip"

    | undefined

) {

  const url = new URL(

    `https://api.stripe.com/v1/customers/${customer}/payment_methods`

  );

  for (const [k, v] of [

    ["ending_before", ending_before],

    ["limit", limit],

    ["starting_after", starting_after],

    ["type", type],

  ]) {

    if (v !== undefined && v !== "") {

      url.searchParams.append(k, v);

    }

  }

  encodeParams({ expand }).forEach((v, k) => {

    if (v !== undefined && v !== "") {

      url.searchParams.append(k, v);

    }

  });

  const response = await fetch(url, {

    method: "GET",

    headers: {

      "Content-Type": "application/x-www-form-urlencoded",

      Authorization: "Bearer " + auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}

function encodeParams(o: any) {

  function iter(o: any, path: string) {

    if (Array.isArray(o)) {

      o.forEach(function (a) {

        iter(a, path + "[]");

      });

      return;

    }

    if (o !== null && typeof o === "object") {

      Object.keys(o).forEach(function (k) {

        iter(o[k], path + "[" + k + "]");

      });

      return;

    }

    data.push(path + "=" + o);

  }

  const data: string[] = [];

  Object.keys(o).forEach(function (k) {

    if (o[k] !== undefined) {

      iter(o[k], k);

    }

  });

  return new URLSearchParams(data.join("&"));

}