using PuppeteerSharp;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ChromeDownload
{
    class Program
    {
        static void Main(string[] args)
        {
            if (args.Length != 2)
            {
                Console.WriteLine("usage: ChromeDownload \"URL\" download_path");
                return;
            }
            string html = DownloadUrl(args[0]).Result;
            File.WriteAllText(args[1], html);
        }

        static async Task<string> DownloadUrl(string url)
        {
            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
            var browser = await Puppeteer.LaunchAsync(new LaunchOptions
            {
                Headless = true
            });

            var page = await browser.NewPageAsync();
            await page.SetViewportAsync(new ViewPortOptions { Width = 1080, Height = 1920 }); // 縦長の画面を設定
            await page.GoToAsync(url);
            string html = await page.GetContentAsync();

            page.Dispose();
            browser.Dispose();
            return html;
        }
    }
}