/**
 * zod input schemas shared by the AI SDK and LangChain JS adapters.
 * Works with zod 3.23+ and zod 4 (only object, string, enum, optional and describe are used).
 */
import { z } from "zod";
import { BLOCKERS, FURTHEST_STEPS } from "./arc.ts";

export const beforeCheckoutSchema = z.object({
  url: z.string().min(1).describe("The store or product URL you are about to check out on, such as https://allbirds.com/products/wool-runner."),
});

export const afterCheckoutSchema = z.object({
  store: z.string().min(1).describe("The store URL or hostname you tried to check out on."),
  furthest_step: z.enum(FURTHEST_STEPS).describe("The furthest step you reached: product, cart, checkout, payment or placed."),
  blocker: z.enum(BLOCKERS).describe("What stopped you, or none if nothing did."),
  store_error_text: z.string().max(400).optional().describe("The store's own error message, word for word, if it showed one. Nothing else."),
});

export type BeforeCheckoutArgs = z.infer<typeof beforeCheckoutSchema>;
export type AfterCheckoutArgs = z.infer<typeof afterCheckoutSchema>;