using System;
using System.Linq;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Hosting.Server.Features;
using Stardust.Server;
using Xunit;

namespace ServerTest.Communication;

/// <summary>真实 Kestrel 服务端测试夹具。在随机端口启动完整 StarServer，供客户端端到端通讯测试使用</summary>
/// <remarks>
/// 与既有 TestServer（进程内管道）不同，这里监听真实 TCP 端口，
/// 让 StarClient/AppClient 走完整网络链路（套接字、HTTP 头令牌、JSON 报文、WebSocket 长连接）。
/// </remarks>
public sealed class StarServerFixture : IDisposable
{
    private readonly IWebHost _host;

    /// <summary>服务端根地址，例如 http://127.0.0.1:54321</summary>
    public String ServerUrl { get; }

    /// <summary>服务端宿主，可用于解析服务容器中的单例服务</summary>
    public IWebHost Host => _host;

    public StarServerFixture()
    {
        // 关闭 SQL 与调试日志，并停用 .NET 运行时信息同步，避免测试期间写大量日志与访问外网
        StarTestServer.DisableDebugLog();
        XCode.XCodeSetting.Current.ShowSQL = false;
        XCode.XCodeSetting.Current.Debug = false;

#pragma warning disable CS0618, ASPDEPR008
        _host = WebHost.CreateDefaultBuilder()
            .UseStartup<Startup>()
            .UseUrls("http://127.0.0.1:0")
            .Build();
#pragma warning restore CS0618, ASPDEPR008

        if (_host.Services.GetService(typeof(StarServerSetting)) is StarServerSetting set)
        {
            set.DotNetSyncPeriod = 0;
            set.DotNetSyncUrl = "";
        }

        _host.Start();

        var address = _host.ServerFeatures.Get<IServerAddressesFeature>()?.Addresses?.FirstOrDefault();
        ServerUrl = address?.TrimEnd('/') ?? throw new InvalidOperationException("无法获取 StarServer 服务端监听地址");
    }

    /// <summary>销毁服务端</summary>
    public void Dispose() => _host.Dispose();
}

/// <summary>共享真实 StarServer 的测试集合</summary>
[CollectionDefinition("StarServer")]
public class StarServerCollection : ICollectionFixture<StarServerFixture>
{
}