// SPDX-License-Identifier: MIT

/**
 * A DevOps helpers module.
 */

import { loginInteractive } from "../azure/index.ts";
import * as azdev from "azure-devops-node-api";

const AZURE_DEVOPS_SCOPES = ["https://app.vssps.visualstudio.com/.default"];

type LoginInteractiveResult = {
  accessToken?: string;
};

export async function getDevOpsApiToken(tenantId: string, clientId: string): Promise<string> {
  const result = await loginInteractive(
    tenantId,
    clientId,
    AZURE_DEVOPS_SCOPES,
  ) as LoginInteractiveResult;

  const accessToken = result?.accessToken;

  if (!accessToken) {
    throw new Error("Failed to obtain Azure DevOps API token");
  }

  return accessToken;
}

export async function getDevOpsClients(orgUrl: string, tenantId: string, clientId: string): Promise<{ coreClient: unknown; gitClient: unknown }> {
  const accessToken = await getDevOpsApiToken(tenantId, clientId);

  const authHandler = azdev.getBearerHandler(accessToken);
  const connection = new azdev.WebApi(orgUrl, authHandler);

  const coreClient = await connection.getCoreApi();
  const gitClient = await connection.getGitApi();

  return { coreClient, gitClient };
}