import type { FastMCP } from 'fastmcp';
import { UserError } from 'fastmcp';
import { z } from 'zod';
import { getSheetsClient } from '../../clients.js';
import * as SheetsHelpers from '../../googleSheetsApiHelpers.js';
export function register(server: FastMCP) {
server.addTool({
name: 'addSheet',
description:
"Adds a new sheet (tab) to an existing spreadsheet. Returns the new sheet's title and ID.",
parameters: z.object({
spreadsheetId: z
.string()
.describe(
'The spreadsheet ID — the long string between /d/ and /edit in a Google Sheets URL.'
),
sheetTitle: z.string().min(1).describe('Title for the new sheet/tab.'),
}),
execute: async (args, { log }) => {
const sheets = await getSheetsClient();
log.info(`Adding sheet "${args.sheetTitle}" to spreadsheet ${args.spreadsheetId}`);
try {
const response = await SheetsHelpers.addSheet(sheets, args.spreadsheetId, args.sheetTitle);
const addedSheet = response.replies?.[0]?.addSheet?.properties;
if (!addedSheet) {
throw new UserError('Failed to add sheet - no sheet properties returned.');
}
return `Successfully added sheet "${addedSheet.title}" (Sheet ID: ${addedSheet.sheetId}) to spreadsheet.`;
} catch (error: any) {
log.error(
`Error adding sheet to spreadsheet ${args.spreadsheetId}: ${error.message || error}`
);
if (error instanceof UserError) throw error;
throw new UserError(`Failed to add sheet: ${error.message || 'Unknown error'}`);
}
},
});
}
