using BTCPayServer.Configuration;
using BTCPayServer.Logging;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Logging;
using System;
using BTCPayServer.Hosting;
using NBitcoin;
using Microsoft.Extensions.DependencyInjection;
using System.Runtime.InteropServices;
using System.Linq;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Collections.Generic;
using System.Collections;
using Microsoft.AspNetCore.Hosting.Server.Features;
using System.Threading;

namespace BTCPayServer
{
	class Program
	{
		static void Main(string[] args)
		{
			ServicePointManager.DefaultConnectionLimit = 100;
			IWebHost host = null;
			CustomConsoleLogProvider loggerProvider = new CustomConsoleLogProvider();

			var loggerFactory = new LoggerFactory();
			loggerFactory.AddProvider(loggerProvider);
			var logger = loggerFactory.CreateLogger("Configuration");
			try
			{
				var conf = new DefaultConfiguration() { Logger = logger }.CreateConfiguration(args);
				if(conf == null)
					return;

				host = new WebHostBuilder()
					.UseKestrel()
					.UseIISIntegration()
					.UseContentRoot(Directory.GetCurrentDirectory())
					.UseConfiguration(conf)
					.ConfigureServices(services =>
					{
						services.AddLogging(l =>
						{
							l.AddFilter("Microsoft", LogLevel.Error);
							l.AddProvider(new CustomConsoleLogProvider());
						});
					})
					.UseStartup<Startup>()
					.Build();
				host.StartAsync().GetAwaiter().GetResult();
				var urls = host.ServerFeatures.Get<IServerAddressesFeature>().Addresses;
				if(urls.Count != 0)
				{
					OpenBrowser(urls.Select(url => url.Replace("0.0.0.0", "127.0.0.1")).First());
				}
				foreach(var url in urls)
				{
					logger.LogInformation("Listening on " + url);
				}
				host.WaitForShutdown();
			}
			catch(ConfigException ex)
			{
				if(!string.IsNullOrEmpty(ex.Message))
					Logs.Configuration.LogError(ex.Message);
			}
			catch(Exception exception)
			{
				logger.LogError("Exception thrown while running the server");
				logger.LogError(exception.ToString());
			}
			finally
			{
				if(host != null)
					host.Dispose();
				loggerProvider.Dispose();
			}
		}

		public static void OpenBrowser(string url)
		{
			try
			{
				if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
				{
					Process.Start(new ProcessStartInfo("cmd", $"/c start {url}")); // Works ok on windows
				}
				else if(RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
				{
					Process.Start("xdg-open", url);  // Works ok on linux
				}
				else if(RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
				{
					Process.Start("open", url); // Not tested
				}
				else
				{

				}
			}
			catch { }
		}
	}
}