using System;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using NetClient.Abstractions;
using NetClient.DependencyInjection;
using NetClient.Test.TestDoubles;

namespace NetClient.Test.Tests;

[TestClass]
public class NetClientDiTests
{
    [TestMethod]
    public async Task AddNetClient_TypedClient_Applies_Options_And_Handlers()
    {
        var services = new ServiceCollection();
        services.AddSingleton<IAccessTokenProvider>(new StaticTokenProvider("token-123"));

        TestHttpMessageHandler? capturedHandler = null;
        var builder = services.AddNetClient(opt =>
        {
            opt.BaseAddress = new Uri("https://api.test");
            opt.UseBearerToken = true;
            opt.IncludeCorrelationId = true;
        });

        builder.ConfigurePrimaryHttpMessageHandler(() =>
        {
            capturedHandler = new TestHttpMessageHandler(req =>
            {
                // BaseAddress + Path combined
                StringAssert.StartsWith(req.RequestUri!.AbsoluteUri, "https://api.test");
                // Correlation header present
                Assert.IsTrue(req.Headers.Contains("X-Correlation-Id"));
                // Authorization applied
                Assert.AreEqual("Bearer", req.Headers.Authorization!.Scheme);
                Assert.AreEqual("token-123", req.Headers.Authorization!.Parameter);
                return Task.FromResult(TestHttpMessageHandler.Text(HttpStatusCode.OK, "ok"));
            });
            return capturedHandler;
        });

        var sp = services.BuildServiceProvider();
        var client = sp.GetRequiredService<IHttpClient>();
        var result = await client.GetStringAsync("/ping");

        Assert.AreEqual("ok", result);
        Assert.IsNotNull(capturedHandler);
        Assert.AreEqual(1, capturedHandler!.Calls);
    }
}