// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Identity.Test;
using Microsoft.AspNetCore.Testing;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Xunit;

namespace Microsoft.AspNetCore.Identity.EntityFrameworkCore.Test
{
    public class DefaultPocoTest : IClassFixture<ScratchDatabaseFixture>
    {
        private readonly ApplicationBuilder _builder;

        public DefaultPocoTest(ScratchDatabaseFixture fixture)
        {
            var services = new ServiceCollection();

            services
                .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build())
                .AddDbContext<IdentityDbContext>(o =>
                    o.UseSqlite(fixture.Connection)
                        .ConfigureWarnings(b => b.Log(CoreEventId.ManyServiceProvidersCreatedWarning)))
                .AddIdentity<IdentityUser, IdentityRole>()
                .AddEntityFrameworkStores<IdentityDbContext>();

            services.AddLogging();

            var provider = services.BuildServiceProvider();
            _builder = new ApplicationBuilder(provider);

            using(var scoped = provider.GetRequiredService<IServiceScopeFactory>().CreateScope())
            {
                scoped.ServiceProvider.GetRequiredService<IdentityDbContext>().Database.EnsureCreated();
            }
        }

        [ConditionalFact]
        public async Task EnsureStartupUsageWorks()
        {
            var userStore = _builder.ApplicationServices.GetRequiredService<IUserStore<IdentityUser>>();
            var userManager = _builder.ApplicationServices.GetRequiredService<UserManager<IdentityUser>>();

            Assert.NotNull(userStore);
            Assert.NotNull(userManager);

            const string userName = "admin";
            const string password = "[PLACEHOLDER]-1a";
            var user = new IdentityUser { UserName = userName };
            IdentityResultAssert.IsSuccess(await userManager.CreateAsync(user, password));
            IdentityResultAssert.IsSuccess(await userManager.DeleteAsync(user));
        }
    }
}
