import { module, test } from 'qunit';
import { setupRenderingTest } from 'ember-qunit';
import { render } from '@ember/test-helpers';
import { format } from 'date-fns';
import hbs from 'htmlbars-inline-precompile';

module('Integration | Helper | date-format', function (hooks) {
  setupRenderingTest(hooks);

  test('it is able to format a date object', async function (assert) {
    const today = new Date();
    this.set('today', today);

    await render(hbs`{{date-format this.today "yyyy"}}`);
    assert.dom(this.element).includesText(today.getFullYear(), 'it renders the date in the year format');
  });

  test('it supports date timestamps', async function (assert) {
    const today = new Date().getTime();
    this.set('today', today);

    await render(hbs`{{date-format this.today 'hh:mm:ss'}}`);
    const formattedDate = this.element.innerText;
    assert.ok(formattedDate.match(/^\d{2}:\d{2}:\d{2}$/));
  });

  test('it supports date strings', async function (assert) {
    const todayString = new Date().getFullYear().toString();
    this.set('todayString', todayString);

    await render(hbs`{{date-format this.todayString "yyyy"}}`);
    assert.dom(this.element).includesText(todayString, 'it renders the a date if passed in as a string');
  });

  test('it supports ten digit dates', async function (assert) {
    const tenDigitDate = 1621785298;
    this.set('tenDigitDate', tenDigitDate);

    await render(hbs`{{date-format this.tenDigitDate "MM/dd/yyyy"}}`);
    assert.dom(this.element).includesText('05/23/2021');
  });

  test('it supports already formatted dates', async function (assert) {
    const formattedDate = new Date();
    this.set('formattedDate', formattedDate);

    await render(hbs`{{date-format this.formattedDate 'MMMM dd, yyyy hh:mm:ss a' isFormatted=true}}`);
    assert.dom(this.element).includesText(format(formattedDate, 'MMMM dd, yyyy hh:mm:ss a'));
  });

  test('displays time zone if withTimeZone=true', async function (assert) {
    const timestampDate = '2022-12-06T11:29:15-08:00';
    const zone = new Date().toLocaleTimeString(undefined, { timeZoneName: 'short' }).split(' ')[2];
    this.set('timestampDate', timestampDate);

    await render(hbs`{{date-format this.timestampDate 'MMM d yyyy, h:mm:ss aaa' withTimeZone=true}}`);
    assert.dom(this.element).hasTextContaining(`${zone}`);
  });
});