using System;
using System.Net.Http;
using mshtml;
using HtmlAgilityPack;
using AngleSharp.Dom;
using AngleSharp.Html.Parser;
using CsQuery;
using Fizzler.Systems.HtmlAgilityPack;
using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;
using Majestic12;
using BenchmarkDotNet.Attributes;

public class HtmlParserBenchmark
{
    private string url = "https://scrapeme.live/shop/Pikachu/";
    private HttpClient httpClient = new HttpClient();
    private string htmlContent;

    [GlobalSetup]
    public async Task GlobalSetup()
    {
        // Load the HTML content from the URL
        HttpResponseMessage response = await httpClient.GetAsync(url);
        htmlContent = await response.Content.ReadAsStringAsync();
    }

    [Benchmark]
    public string HtmlAgilityPackParser()
    {
        var doc = new HtmlDocument();
        doc.LoadHtml(htmlContent);
        HtmlNode stockAmount = doc.DocumentNode.SelectSingleNode("//*[@id='product-752']/div[2]/p[2]");
        return stockAmount.InnerText;
    }

    [Benchmark]
    public string AngleSharpParser()
    {
        var context = BrowsingContext.New(Configuration.Default);
        var document = context.OpenAsync(req => req.Content(htmlContent));
        var stockAmountNode = document.Result.QuerySelector(".stock");
        return stockAmountNode.TextContent;
    }

    [Benchmark]
    public string CsQueryParser()
    {
        var cq = CQ.Create(htmlContent);
        var stockAmount = cq.Find(".stock").Text();
        return stockAmount;
    }

    [Benchmark]
    public string FizzlerParser()
    {
        var doc = new HtmlDocument();
        doc.LoadHtml(htmlContent);
        var stockAmount = doc.DocumentNode.QuerySelector(".stock").InnerText;
        return stockAmount.Trim();
    }

    [Benchmark]
    public string MsHtmlParser()
    {
        // Create an HTMLDocument and cast it to IHTMLDocument2
        var htmlDoc = new HTMLDocument();
        var ihtmlDoc = (IHTMLDocument2)htmlDoc;

        // Open the document and write the HTML content
        ihtmlDoc.open();
        ihtmlDoc.write(htmlContent);
        ihtmlDoc.close();

        // Access the document's DOM
        var allElements = ihtmlDoc.all;

        // Find the element with class "stock"
        foreach (IHTMLElement element in allElements)
        {
            if (element.className == "stock")
            {
                return element.innerText;
            }
        }

        return null;
    }

    [Benchmark]
    public string SeleniumParser()
    {
        // Initialize the Chrome WebDriver
        using (var driver = new ChromeDriver())
        {
        // Navigate to the webpage
        driver.Navigate().GoToUrl(url);

        // Find and interact with elements on the page
        var stockElement = driver.FindElement(By.XPath("//*[@id="product-752"]/div[2]/p[2]"));

        // Extract the desired information
        return stockElement.Text;
        }
    }

    [Benchmark]
    public string Majestic12Parser()
    {
        HTMLparser oP = new HTMLparser();
        oP.Init(htmlContent);
        HTMLchunk oChunk;
        while ((oChunk = oP.ParseNext()) != null)
        {
            if (oChunk.oType == HTMLchunkType.OpenTag)
            {
                string classAttribute = oChunk.oParams["class"] as string;
                if (classAttribute.Contains("stock"))
                {
                    return oChunk.oHTML.Trim();
                }
            }
        }
        return string.Empty;
    }
    public static void Main(string[] args)
    {
        var summary = BenchmarkRunner.Run<HtmlParserBenchmark>();
    }
}