'use strict';

/**
 * Integration tests – main controller (controllers/main.js)
 *
 * Covers: pingAPI_get, getAppConfig_get, setAppConfig_post
 */

const { connectDB, disconnectDB, clearCollection } = require('./jest.setup');
const { mockReq, mockRes, newId } = require('./mock_data');

let Settings;

beforeAll(async () => {
  await connectDB();
  Settings = require('../../model/setting');
});

afterAll(async () => {
  await disconnectDB();
});

const mainCtl = require('../../controllers/main');

describe('main controller – data methods', () => {
  afterAll(async () => {
    await clearCollection(Settings);
  });

  // -------------------------------------------------------------------------
  describe('pingAPI_get', () => {
    it('responds with a pong / alive message', async () => {
      const req = mockReq();
      const res = mockRes();

      await mainCtl.pingAPI_get(req, res);

      // pingAPI_get uses res.send() or res.json()
      const called = res.json.mock.calls.length > 0 || res.send.mock.calls.length > 0;
      expect(called).toBe(true);
    });
  });

  // -------------------------------------------------------------------------
  describe('getAppConfig_get', () => {
    it('returns an app config object', async () => {
      const req = mockReq({ query: {} });
      const res = mockRes();

      await mainCtl.getAppConfig_get(req, res);

      const called = res.json.mock.calls.length > 0 || res.send.mock.calls.length > 0;
      expect(called).toBe(true);
      expect(typeof res._data).toBe('object');
    });
  });

  // -------------------------------------------------------------------------
  describe('setAppConfig_post', () => {
    it('saves an app config value and returns the saved document', async () => {
      await clearCollection(Settings);

      const req = mockReq({
        uid: newId(),
        ut: '1',
        body: { key: 'testKey', value: 'testValue' },
      });
      const res = mockRes();

      await mainCtl.setAppConfig_post(req, res);

      expect(res.json).toHaveBeenCalled();
      expect(res._data).toBeTruthy();
    });
  });
});