using System;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore;
using Xunit;
using isnd.Data;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System.Collections.Generic;
using System.Threading.Tasks;
using System.Diagnostics;

namespace isnd.host.tests
{
    public class UnitTestWebHost
    {
        [Fact]
        public void TestHaveTestDbContextAndMigrate()
        {
            string envVar = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
            
            IWebHost webhost = BuildWebHost(new string[0]);

            using (var serviceScope = webhost.Services.CreateScope())
            {
                var services = serviceScope.ServiceProvider;

                try
                {
                    var isnSettings = services.GetRequiredService<IOptions<isn.Settings>>().Value;
                    var myDependency = services.GetRequiredService<ApplicationDbContext>();
                    myDependency.Database.Migrate();
                }
                catch (Exception ex)
                {
                    throw new Exception("Failed " + envVar, ex);
                }
            }
        }
		
        public static IWebHost BuildWebHost(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
                .UseStartup<Startup>()
                .Build();

        [Fact]

        public async Task NugetInstallsTest()
        {
            IWebHost webhost = BuildWebHost(new string[0]);
            Task running = Task.Run(async () => await webhost.StartAsync());
            ProcessStartInfo psi = new ProcessStartInfo("nuget");
            psi.ArgumentList.Add("install");
            psi.ArgumentList.Add("isn");
            Process p = Process.Start(psi);
            p.WaitForExit();
            await webhost.StopAsync();
        }

    }
}