// Shared loading for the app proxy pages. Public: never depends on a logged-in customer (brief §8).
import db from "../db.server";
import { offerInclude } from "./offers.server";
import { compile } from "./compile";
import { planOf } from "./plans";

export const PROXY_CACHE = "public, max-age=60";

export async function runningOffersForShop(domain: string, country: string | null) {
  const shop = await db.shop.findUnique({ where: { domain } });
  if (!shop || shop.uninstalledAt) return null;
  const offers = await db.offer.findMany({ where: { shopId: shop.id, active: true, published: true }, include: offerInclude });
  // Same selection as the discount function: running + allowed by the plan.
  const result = compile(
    { planCode: shop.planCode, currency: shop.currency, timezone: shop.timezone, settings: shop.settings, monthOrders: 0 },
    offers,
  );
  const included = new Set(result.included);
  const running = offers
    .filter((o) => included.has(o.id))
    .filter((o) => !o.countries.length || (country && o.countries.includes(country)))
    .sort((a, b) => result.included.indexOf(a.id) - result.included.indexOf(b.id));
  return {
    shop,
    running,
    ctx: { currency: shop.currency, timezone: shop.timezone, branding: planOf(shop.planCode).branding },
  };
}