import { defineCarte, defineEntry, generatePrompt, parsePlan, executePlan } from "@usecarte/core";
import { z } from "zod";

const carte = defineCarte([
  defineEntry({
    id: "orders.recentByCustomer",
    description: "Recent orders for a single customer",
    params: z.object({ customerId: z.string(), limit: z.number().int().max(100).default(20) }),
    returns: z.array(z.object({ id: z.string(), placedAt: z.string(), total: z.number() })),
    titleTemplate: "Recent orders for customer {customerId}",
    query: async ({ params }) => db.orders.findRecent(params.customerId, params.limit),
  }),
]);

// Build the prompt the LLM sees — no schema, no row data, no SQL.
const prompt = generatePrompt(carte, uiAdapter, ctx);

// LLM returns a JSON plan. Validate, then execute.
const parsed = parsePlan(llmJson, carte, uiAdapter, ctx);
if (parsed.ok) {
  const results = await executePlan(parsed.plan, carte);
  // results is a map: panelIndex → rows. The LLM never sees this.
}