SwapPlan

//native

type Square = {

  token: string;

};

/**

 * SwapPlan

 * Schedules a `SWAP_PLAN` action to swap a subscription plan variation in an existing subscription. 

For more information, see [Swap Subscription Plan Variations](https://developer.squareup.com/docs/subscriptions-api/swap-plan-variations).

 */

export async function main(

  auth: Square,

  subscription_id: string,

  body: {

    new_plan_variation_id?: string;

    phases?: { ordinal: number; order_template_id?: string }[];

  },

) {

  const url = new URL(

    `https://connect.squareup.com/v2/subscriptions/${subscription_id}/swap-plan`,

  );

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.token,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}