'use strict';

/**
 * Integration tests – invoice_settings controller (controllers/invoice_settings.js)
 */

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

let InvoiceSetting, Customer, Client;

beforeAll(async () => {
  await connectDB();
  InvoiceSetting = require('../../model/invoice_settings');
  Customer       = require('../../model/customer');
  Client         = require('../../model/client');
});

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

const invSettingsCtl = require('../../controllers/invoice_settings');

describe('invoice_settings controller – data methods', () => {
  let applicator, client;

  beforeAll(async () => {
    await clearCollection(InvoiceSetting);
    applicator = await Customer.create(mockApplicator());
    client     = await Client.create(mockClient(applicator._id));
  });

  afterAll(async () => {
    await clearCollection(InvoiceSetting);
    await Client.deleteMany({ _id: client._id });
    await Customer.deleteMany({ _id: applicator._id });
  });

  const makeReq = (extra = {}) =>
    mockReq({ uid: applicator._id, puid: applicator._id, ut: '1', ...extra });

  // -------------------------------------------------------------------------
  describe('createInvoiceSetting_post', () => {
    it('creates an invoice setting and returns it', async () => {
      const req = makeReq({ body: mockInvoiceSetting(applicator._id, client._id) });
      const res = mockRes();

      await invSettingsCtl.createInvoiceSetting_post(req, res);

      expect(res.json).toHaveBeenCalled();
      expect(res._data._id).toBeDefined();
      expect(res._data.companyName).toBe('Test Applicator Co.');
    });
  });

  // -------------------------------------------------------------------------
  describe('getInvoiceSettings_get', () => {
    it('returns invoice settings for the applicator', async () => {
      const req = makeReq({ query: {} });
      const res = mockRes();

      await invSettingsCtl.getInvoiceSettings_get(req, res);

      expect(res.json).toHaveBeenCalled();
      expect(Array.isArray(res._data)).toBe(true);
      expect(res._data.length).toBeGreaterThan(0);
    });
  });

  // -------------------------------------------------------------------------
  describe('getInvoiceSettingDetail_get', () => {
    let settingId;

    beforeAll(async () => {
      await clearCollection(InvoiceSetting);
      const doc = await InvoiceSetting.create(mockInvoiceSetting(applicator._id, client._id));
      settingId = String(doc._id);
    });

    it('returns invoice setting by id', async () => {
      const req = makeReq({ params: { invoiceSettingId: settingId } });
      const res = mockRes();

      await invSettingsCtl.getInvoiceSettingDetail_get(req, res);

      expect(res.json).toHaveBeenCalled();
      expect(String(res._data._id)).toBe(settingId);
    });

    it('throws when id is invalid', async () => {
      const req = makeReq({ params: { invoiceSettingId: 'bad-id' } });
      const res = mockRes();
      await expect(invSettingsCtl.getInvoiceSettingDetail_get(req, res)).rejects.toThrow();
    });
  });

  // -------------------------------------------------------------------------
  describe('updateInvoiceSetting_put', () => {
    let settingId;

    beforeAll(async () => {
      await clearCollection(InvoiceSetting);
      const doc = await InvoiceSetting.create(mockInvoiceSetting(applicator._id, client._id));
      settingId = String(doc._id);
    });

    it('updates an invoice setting', async () => {
      const req = makeReq({
        params: { invoiceSettingId: settingId },
        body: { companyName: 'Updated Co.', paymentTerm: 45 },
      });
      const res = mockRes();

      await invSettingsCtl.updateInvoiceSetting_put(req, res);

      expect(res.json).toHaveBeenCalled();
      expect(res._data.companyName).toBe('Updated Co.');
    });
  });

  // -------------------------------------------------------------------------
  describe('deleteInvoiceSetting', () => {
    let settingId;

    beforeAll(async () => {
      await clearCollection(InvoiceSetting);
      const doc = await InvoiceSetting.create(mockInvoiceSetting(applicator._id, client._id));
      settingId = String(doc._id);
    });

    it('deletes an invoice setting', async () => {
      const req = makeReq({ params: { invoiceSettingId: settingId } });
      const res = mockRes();

      await invSettingsCtl.deleteInvoiceSetting(req, res);

      expect(res.json).toHaveBeenCalled();
      const found = await InvoiceSetting.findById(settingId);
      expect(found).toBeNull();
    });
  });
});