import { auth, get, post } from "$lib/utils";
import { redirect } from "@sveltejs/kit";

export default async ({ cookies, request, url }) => {
  let form = await request.formData();

  let rates = await get("/rates");
  let amount = parseInt(form.get("amount"));
  let request_id = form.get("request_id");
  if (request_id === "undefined") request_id = undefined;

  let invoice = {
    amount,
    tip: parseInt(form.get("tip")) || 0,
    type: form.get("type"),
    prompt: form.get("prompt") === "true",
    rate: parseFloat(form.get("rate")) || rates[form.get("currency")],
    request_id,
  };

  let user = { username: form.get("username"), currency: form.get("currency") };

  invoice = await post("/invoice", { invoice, user }, auth(cookies));
  let { id } = invoice;

  if (request_id) {
    if (url.pathname.endsWith("tip")) {
      redirect(307, `/send/invoice/${id}`);
    }

    redirect(307, `/${user.username}/request/${request_id}`);
  }

  if (invoice.prompt) redirect(307, `/${user.username}/invoice/${id}/tip`);
  else redirect(307, `/${user.username}/invoice/${id}`);
};