import React from 'react';
import ReactDOM from 'react-dom';
import ReactTestRenderer from 'react-test-renderer';
import ReactTestUtils from 'react-dom/test-utils';
import PropertiesForm from 'settings/components/form/PropertiesForm'

describe("settings/form/PropertiesForm", () => {
  describe('render', () => {
    it('renders PropertiesForm', () => {
      const types = {
        mystr: 'string',
        mynum: 'number',
        mybool: 'boolean',
        empty: 'string',
      }
      const values = {
        mystr: 'abc',
        mynum: 123,
        mybool: true,
      };

      const root = ReactTestRenderer.create(
        <PropertiesForm types={types} value={values} />,
      ).root

      let input = root.findByProps({ name: 'mystr' });
      expect(input.props.type).to.equals('text');
      expect(input.props.value).to.equal('abc');

      input = root.findByProps({ name: 'mynum' });
      expect(input.props.type).to.equals('number');
      expect(input.props.value).to.equal(123);

      input = root.findByProps({ name: 'mybool' });
      expect(input.props.type).to.equals('checkbox');
      expect(input.props.value).to.equal(true);
    });
  });

  describe('onChange', () => {
    let container;

    beforeEach(() => {
      container = document.createElement('div');
      document.body.appendChild(container);
    });

    afterEach(() => {
      document.body.removeChild(container);
      container = null;
    });

    it('invokes onChange event on text changed', (done) => {
      ReactTestUtils.act(() => {
        ReactDOM.render(<PropertiesForm
          types={{ 'myvalue': 'string' }}
          value={{ 'myvalue': 'abc' }}
          onChange={value => {
            expect(value).to.have.property('myvalue', 'abcd');
            done();
          }}
        />, container);
      });

      const input = document.querySelector('input[name=myvalue]');
      input.value = 'abcd'
      ReactTestUtils.Simulate.change(input);
    });

    it('invokes onChange event on number changeed', (done) => {
      ReactTestUtils.act(() => {
        ReactDOM.render(<PropertiesForm
          types={{ 'myvalue': 'number' }}
          value={{ '': 123 }}
          onChange={value => {
            expect(value).to.have.property('myvalue', 1234);
            done();
          }}
        />, container);
      });

      const input = document.querySelector('input[name=myvalue]');
      input.value = '1234'
      ReactTestUtils.Simulate.change(input);
    });

    it('invokes onChange event on checkbox changed', (done) => {
      ReactTestUtils.act(() => {
        ReactDOM.render(<PropertiesForm
          types={{ 'myvalue': 'boolean' }}
          value={{ 'myvalue': false }}
          onChange={value => {
            expect(value).to.have.property('myvalue', true);
            done();
          }}
        />, container);
      });

      const input = document.querySelector('input[name=myvalue]');
      input.checked = true;
      ReactTestUtils.Simulate.change(input);
    });
  });
});