using OpenQA.Selenium;  
using OpenQA.Selenium.Firefox;  

public class Program {
    static void Main(string[] args) {

        Console.WriteLine("Test started");

        IWebDriver driver = new FirefoxDriver();

        // Base url: https://downsub.com/?url=https%253A%252F%252Fwww.youtube.com%252Fwatch%253Fv%253D
        // Finished url: https://downsub.com/?url=https%253A%252F%252Fwww.youtube.com%252Fwatch%253Fv%253D + video id
        driver.Navigate().GoToUrl("https://downsub.com/?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DPQ54uUV41-k");
        Thread.Sleep(5000);  

        IWebElement drop = driver.FindElement(By.XPath("//button[@class='v-expansion-panel-header px-4 py-2']")); // Open Dropdown [WORKS]
        drop.SendKeys(Keys.Enter);
        Thread.Sleep(1000);
        
        IWebElement check = driver.FindElement(By.Id("input-885")); // Click button to disable tag stripping [WORKS]
        check.SendKeys(Keys.Space);
        Thread.Sleep(1000);

        IWebElement sub = driver.FindElement(By.XPath("//button[@data-title='[SRT] English']")); // Download subtitle file [WORKS]
        sub.Click();
        Thread.Sleep(3000);  

        driver.Close();

        Console.WriteLine("Test ended");
    }
}