// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========

import { GMAIL_API_BASE, type TokenManager, googleGet } from '../google/_client.ts'

export interface GmailLabel {
  id: string
  name?: string
  type?: string
}

interface LabelsResponse {
  labels?: GmailLabel[]
}

export async function listLabels(tokenManager: TokenManager): Promise<GmailLabel[]> {
  const url = `${GMAIL_API_BASE}/users/me/labels`
  const data = (await googleGet(tokenManager, url)) as LabelsResponse
  return data.labels ?? []
}
