using Microsoft.VisualStudio.TestTools.UnitTesting;
using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;
using OpenQA.Selenium.Support.UI;
using System;
using System.IO;
using System.Linq;
using System.Reflection;
using SeleniumExtras.WaitHelpers;

  [TestClass]
  public class UnitTest1
  {
    ChromeDriver driver;
    WebDriverWait webDriverWait;
    [TestInitialize]
    public void Startup()
    {
      var chromeOptions = new ChromeOptions();
      //chromeOptions.AddArguments("headless");
      chromeOptions.AddArguments("--proxy-server='direct://'");
      chromeOptions.AddArguments("--proxy-bypass-list=*");
      //chromeOptions.AddUserProfilePreference("disable-popup-blocking", "true");
      //chromeOptions.AddArguments("--disable-extensions");
      chromeOptions.AddArguments("--start-maximized");

      var path = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
      ChromeDriverService chromeDriverService = ChromeDriverService.CreateDefaultService(path);
      driver = new ChromeDriver(chromeDriverService, chromeOptions);
      webDriverWait = new WebDriverWait(driver, TimeSpan.FromSeconds(30));
    }
    [TestCleanup]
    public void CleanUp()
    {
      driver.Quit();
    }
    [TestMethod]
    public void GetSproutsWeeklyAdDetails()
    {
      try
      {        driver.Navigate().GoToUrl("http://www.sprouts.com/store/tx/plano/plano/");
      }
      catch (TimeoutException timeoutException)
      {
        driver.Navigate().Refresh();
      }
      webDriverWait.Until(driver1 => ((IJavaScriptExecutor)driver).ExecuteScript("return document.readyState").Equals("complete"));
      **var elements1 = webDriverWait.Until(ExpectedConditions.VisibilityOfAllElementsLocatedBy(
        By.XPath("//div[@class='cell small-6 divider']/button")));
      elements1.First().Click();**
<= the system is unable to find the button 80% of the times

      webDriverWait.Until(driver1 => ((IJavaScriptExecutor)driver).ExecuteScript("return document.readyState").Equals("complete"));
      var elements2 = webDriverWait.Until(ExpectedConditions.VisibilityOfAllElementsLocatedBy(
        By.XPath("//li[@class='cell-wrapper' and @ng-repeat='item in items track by $index']")));
      System.Diagnostics.Debug.WriteLine(elements2.Count);

      foreach (var element2 in elements2)
      {
        var element3 = element2.FindElement(By.XPath(".//span[@class='cell-title-text']"));
        var element4 = element2.FindElement(By.CssSelector(".price.sale.on-sale"));
        System.Diagnostics.Debug.WriteLine(element3?.Text +" : " +element4?.Text);
      }
    }
  }