import { describe, expect, it } from 'vitest';
import type { KeycloakConfig } from '../config.ts';
import { checkKeycloakConnection } from '../keycloak-check.ts';

const kc: KeycloakConfig = {
  url: 'https://kc.test',
  realm: 'corp',
  clientId: 'api-gateway',
  issuer: 'https://kc.test/realms/corp',
  jwksUrl: 'https://kc.test/realms/corp/protocol/openid-connect/certs',
};
const reply = (status: number, body: unknown): typeof fetch => async () =>
  new Response(JSON.stringify(body), { status, headers: { 'content-type': 'application/json' } });

describe('启动自检(手册第 5 步)', () => {
  it('issuer 一致 → 回 issuer 与 clientId', async () => {
    await expect(checkKeycloakConnection(kc, reply(200, { issuer: kc.issuer }))).resolves.toEqual({
      issuer: kc.issuer,
      clientId: 'api-gateway',
    });
  });
  it('issuer 不一致 → 抛,话里带期望 / 实际 / KC_HOSTNAME', async () => {
    await expect(checkKeycloakConnection(kc, reply(200, { issuer: 'http://localhost:8080/realms/corp' }))).rejects.toThrow(
      /KC_HOSTNAME/,
    );
  });
  it('发现文档拉不到 → 抛带状态码', async () => {
    await expect(checkKeycloakConnection(kc, reply(503, {}))).rejects.toThrow(/503/);
  });
});