// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Collections.Generic;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc.Testing;
using Xunit;
 
namespace AuthSamples.FunctionalTests;
 
public class DynamicSchemeTests : IClassFixture<WebApplicationFactory<DynamicSchemes.Startup>>
{
    public DynamicSchemeTests(WebApplicationFactory<DynamicSchemes.Startup> fixture)
    {
        Client = fixture.CreateClient();
    }
 
    public HttpClient Client { get; }
 
    [Fact]
    public async Task DefaultReturns200()
    {
        // Arrange & Act
        var response = await Client.GetAsync("/");
        var content = await response.Content.ReadAsStringAsync();
 
        // Assert
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
    }
 
    [Fact]
    public async Task CanAddUpdateRemoveSchemes()
    {
        // Arrange & Act
        var response = await AddScheme("New1", "NewOne");
        var content = await response.Content.ReadAsStringAsync();
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        Assert.Contains("New1", content);
        Assert.Contains("NewOne", content);
 
        response = await AddScheme("New2", "NewTwo");
        content = await response.Content.ReadAsStringAsync();
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        Assert.Contains("New1", content);
        Assert.Contains("NewOne", content);
        Assert.Contains("New2", content);
        Assert.Contains("NewTwo", content);
 
        response = await AddScheme("New2", "UpdateTwo");
        content = await response.Content.ReadAsStringAsync();
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        Assert.Contains("New1", content);
        Assert.Contains("NewOne", content);
        Assert.Contains("New2", content);
        Assert.DoesNotContain("NewTwo", content);
        Assert.Contains("UpdateTwo", content);
 
        // Now remove all the schemes one at a time
        response = await Client.GetAsync("/Auth/Remove?scheme=New1");
        content = await response.Content.ReadAsStringAsync();
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        Assert.DoesNotContain("New1", content);
        Assert.DoesNotContain("NewOne", content);
        Assert.Contains("New2", content);
        Assert.DoesNotContain("NewTwo", content);
        Assert.Contains("UpdateTwo", content);
 
        response = await Client.GetAsync("/Auth/Remove?scheme=New2");
        content = await response.Content.ReadAsStringAsync();
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        Assert.DoesNotContain("New1", content);
        Assert.DoesNotContain("NewOne", content);
        Assert.DoesNotContain("New2", content);
        Assert.DoesNotContain("NewTwo", content);
        Assert.DoesNotContain("UpdateTwo", content);
    }
 
    private async Task<HttpResponseMessage> AddScheme(string name, string message)
    {
        var goToSignIn = await Client.GetAsync("/");
        var signIn = await TestAssert.IsHtmlDocumentAsync(goToSignIn);
 
        var form = TestAssert.HasForm(signIn);
        return await Client.SendAsync(form, new Dictionary<string, string>()
        {
            ["scheme"] = name,
            ["OptionsMessage"] = message,
        });
 
    }
 
}