// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Net;
using System.Net.Http;
using Microsoft.Net.Http.Headers;

namespace Microsoft.AspNetCore.Mvc.FunctionalTests;

public class TempDataPropertyTest : IClassFixture<MvcTestFixture<BasicWebSite.StartupWithoutEndpointRouting>>
{
    protected HttpClient Client { get; }

    public TempDataPropertyTest(MvcTestFixture<BasicWebSite.StartupWithoutEndpointRouting> fixture)
    {
        Client = fixture.CreateDefaultClient();
    }

    [Fact]
    public async Task TempDataPropertyAttribute_RetainsTempDataWithView()
    {
        // Arrange
        var tempDataContent = "Success (from Temp Data)100";
        var nameValueCollection = new List<KeyValuePair<string, string>>
            {
                new KeyValuePair<string, string>("FullName", "Bob"),
                new KeyValuePair<string, string>("id", "1"),
            };
        var expected = $"{tempDataContent} for person {nameValueCollection[0].Value} with id {nameValueCollection[1].Value}.";
        var content = new FormUrlEncodedContent(nameValueCollection);

        // Act 1
        var redirectResponse = await Client.PostAsync("TempDataProperty/CreateForView", content);

        // Assert 1
        await redirectResponse.AssertStatusCodeAsync(HttpStatusCode.Redirect);

        // Act 2
        var response = await Client.SendAsync(GetRequest(redirectResponse.Headers.Location.ToString(), redirectResponse));

        // Assert 2
        await response.AssertStatusCodeAsync(HttpStatusCode.OK);
        var body = await response.Content.ReadAsStringAsync();
        Assert.Equal(expected, body.ToString().Trim());
    }

    [Fact]
    public async Task TempDataPropertyAttribute_RetainsTempDataWithoutView()
    {
        // Arrange
        var tempDataContent = "Success (from Temp Data)100";
        var nameValueCollection = new List<KeyValuePair<string, string>>
            {
                new KeyValuePair<string, string>("FullName", "Bob"),
                new KeyValuePair<string, string>("id", "1"),
            };
        var expected = $"{tempDataContent} for person {nameValueCollection[0].Value} with id {nameValueCollection[1].Value}.";
        var content = new FormUrlEncodedContent(nameValueCollection);

        // Act 1
        var redirectResponse = await Client.PostAsync("TempDataProperty/Create", content);

        // Assert 1
        Assert.Equal(HttpStatusCode.Redirect, redirectResponse.StatusCode);

        // Act 2
        var response = await Client.SendAsync(GetRequest(redirectResponse.Headers.Location.ToString(), redirectResponse));

        // Assert 2
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        var body = await response.Content.ReadAsStringAsync();
        Assert.Equal(expected, body);
    }

    [Fact]
    public async Task TempDataPropertyAttribute_TempDataKept()
    {
        // Arrange
        var tempDataContent = "Success (from Temp Data)100";
        var nameValueCollection = new List<KeyValuePair<string, string>>
            {
                new KeyValuePair<string, string>("FullName", "Bob"),
                new KeyValuePair<string, string>("id", "1"),
            };

        var expected = $"{tempDataContent} for person {nameValueCollection[0].Value} with id {nameValueCollection[1].Value}.";
        var content = new FormUrlEncodedContent(nameValueCollection);

        // Act 1
        var response = await Client.PostAsync("TempDataProperty/CreateNoRedirect", content);

        // Assert 1
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);

        // Act 2
        response = await Client.SendAsync(GetRequest("TempDataProperty/TempDataKept", response));

        // Assert 2
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        var body = await response.Content.ReadAsStringAsync();
        Assert.Equal(tempDataContent, body);

        // Act 3
        response = await Client.SendAsync(GetRequest("TempDataProperty/ReadTempData", response));

        // Assert 3
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        body = await response.Content.ReadAsStringAsync();
        Assert.Equal(tempDataContent, body);
    }

    [Fact]
    public async Task TempDataPropertyAttribute_TempDataNotKept()
    {
        // Arrange
        var tempDataContent = "Success (from Temp Data)100";
        var nameValueCollection = new List<KeyValuePair<string, string>>
            {
                new KeyValuePair<string, string>("FullName", "Bob"),
                new KeyValuePair<string, string>("id", "1"),
            };

        var expected = $"{tempDataContent} for person {nameValueCollection[0].Value} with id {nameValueCollection[1].Value}.";
        var content = new FormUrlEncodedContent(nameValueCollection);

        // Act 1
        var response = await Client.PostAsync("TempDataProperty/CreateNoRedirect", content);

        // Assert 1
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);

        // Act 2
        response = await Client.SendAsync(GetRequest("TempDataProperty/ReadTempData", response));

        // Assert 2
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        var body = await response.Content.ReadAsStringAsync();
        Assert.Equal(tempDataContent, body);

        // Act 3
        response = await Client.SendAsync(GetRequest("TempDataProperty/ReadTempData", response));

        // Assert 3
        body = await response.Content.ReadAsStringAsync();
        Assert.Empty(body);
    }

    private HttpRequestMessage GetRequest(string path, HttpResponseMessage response)
    {
        var request = new HttpRequestMessage(HttpMethod.Get, path);
        if (response.Headers.TryGetValues("Set-Cookie", out var values))
        {
            foreach (var cookie in SetCookieHeaderValue.ParseList(values.ToList()))
            {
                if (cookie.Expires == null || cookie.Expires >= DateTimeOffset.UtcNow)
                {
                    request.Headers.Add("Cookie", new CookieHeaderValue(cookie.Name, cookie.Value).ToString());
                }
            }
        }
        return request;
    }
}
