import React from "react";
import {render, unmountComponentAtNode} from "react-dom";
import {act} from "react-dom/test-utils";
import {TableBody} from "./src/control";
import * as test_data from "./test_users.json"
import axios from "axios";
import MockAdapter from 'axios-mock-adapter'

let container = null;
let table = null;
let load = null;
let engineer_count = null
let agents_count = null
let licences_remaining = null
beforeEach(() => {
  table = document.createElement("table");
  container = document.createElement("tbody");
  container.id = "tbody";
  table.appendChild(container);
  load = document.createElement("p");
  load.id = "loading"
  load.innerHTML = "Данные загружаются";
  licences_remaining = document.createElement('p')
  licences_remaining.id = "licences_remaining"
  engineer_count = document.createElement("p")
  agents_count = document.createElement("p")
  engineer_count.className = "info-quantity-value"
  agents_count.className = "info-quantity-value"
  document.body.appendChild(table);
  document.body.appendChild(engineer_count)
  document.body.appendChild(agents_count)
  document.body.appendChild(licences_remaining)
  document.body.appendChild(load);
  jest.useFakeTimers();
});

afterEach(() => {
  unmountComponentAtNode(container);
  container.remove();
  table.remove();
  load.remove();
  engineer_count.remove()
  agents_count.remove()
  licences_remaining.remove()
  container = null;
  table = null;
  load = null;
  engineer_count = null
  agents_count = null
  licences_remaining = null
  jest.useRealTimers();
});

it("has rows no on mount", () => {
  act(() => {
    let container = document.createElement("tbody");
    render(<TableBody/>, container);
  });
  expect(container.getElementsByTagName("tr").length).toBe(0);
});

it("has valid number of workplaces",async () => {
  let mock = new MockAdapter(axios)
  mock.onGet("/api/users").reply(200, test_data)

  await act(async () => {
    render(<TableBody/>, container)
  })

  let licences = Number(licences_remaining.textContent.replace(/Свободных мест: /, ''))
  expect(licences).toEqual(1)
  mock.restore()
})

it ("Pretext must be deleted on render", async () => {

})