import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
import type * as ynab from "ynab";
import type { ErrorHandler } from "../server/errorHandler.js";
import { responseFormatter } from "../server/responseFormatter.js";
import { withToolErrorHandling } from "../types/index.js";
import type { ToolFactory } from "../types/toolRegistration.js";
import { createAdapters } from "./adapters.js";
import { emptyObjectSchema } from "./schemas/common.js";
import { GetUserOutputSchema } from "./schemas/outputs/index.js";
import { ToolAnnotationPresets } from "./toolCategories.js";
/**
* Handles the ynab:get_user tool call
* Gets information about the authenticated user
*/
export async function handleGetUser(
ynabAPI: ynab.API,
errorHandler?: ErrorHandler,
): Promise<CallToolResult> {
return await withToolErrorHandling(
async () => {
const response = await ynabAPI.user.getUser();
const userInfo = response.data.user;
const user = {
id: userInfo.id,
};
return {
content: [
{
type: "text",
text: responseFormatter.format({ user }),
},
],
};
},
"ynab:get_user",
"getting user information",
errorHandler,
);
}
/**
* Registers utility tools (get_user) using the shared factory pattern.
*
* Note: convert_amount was removed because all tool responses already return
* amounts in dollars (converted from YNAB milliunits internally).
*/
export const registerUtilityTools: ToolFactory = (registry, context) => {
const { adaptNoInput } = createAdapters(context);
registry.register({
name: "get_user",
description: "Get information about the authenticated user",
inputSchema: emptyObjectSchema,
outputSchema: GetUserOutputSchema,
handler: adaptNoInput(handleGetUser),
metadata: {
annotations: {
...ToolAnnotationPresets.READ_ONLY_EXTERNAL,
title: "YNAB: Get User Information",
},
},
});
};
