import {
  getBearerToken,
  jsonResponse,
  meshkeeFetch,
  resolveBusinessId,
  unauthorizedResponse,
} from "@/lib/meshkee-server";

type RouteContext = { params: Promise<{ itemId: string }> };

export async function PATCH(request: Request, context: RouteContext) {
  const token = getBearerToken(request);
  if (!token) return unauthorizedResponse();

  const { itemId } = await context.params;
  const body = await request.json().catch(() => null);
  if (!body?.quantity) return jsonResponse({ error: "quantity is required" }, 400);

  const businessId = await resolveBusinessId();
  if (!businessId) return jsonResponse({ error: "Tenant not found" }, 404);

  const res = await meshkeeFetch(`/businesses/${businessId}/cart/items/${itemId}`, {
    method: "PATCH",
    token,
    body: JSON.stringify({ quantity: body.quantity }),
  });

  if (!res.ok) return jsonResponse(res.data ?? { error: "Update failed" }, res.status);
  return jsonResponse(res.data);
}

export async function DELETE(_request: Request, context: RouteContext) {
  const token = getBearerToken(_request);
  if (!token) return unauthorizedResponse();

  const { itemId } = await context.params;
  const businessId = await resolveBusinessId();
  if (!businessId) return jsonResponse({ error: "Tenant not found" }, 404);

  const res = await meshkeeFetch(`/businesses/${businessId}/cart/items/${itemId}`, {
    method: "DELETE",
    token,
  });

  if (!res.ok) return jsonResponse(res.data ?? { error: "Remove failed" }, res.status);
  return jsonResponse(res.data);
}