using System.Net;
using System.Text;
using System.Text.Json;
using NUnit.Framework;
using SVSim.UnitTests.Infrastructure;

namespace SVSim.UnitTests.Controllers;

public class TutorialControllerTests
{
    [Test]
    public async Task UpdateAction_returns_result_code_1_with_empty_data()
    {
        using var factory = new SVSimTestFactory();
        long viewerId = await factory.SeedViewerAsync(tutorialState: 0);
        using var client = factory.CreateAuthenticatedClient(viewerId);

        // tutorial_step and tutorial_action_number are fire-and-forget bookkeeping fields;
        // send representative values from the live capture (step=1, action=2).
        var requestJson =
            """{"tutorial_step":1,"tutorial_action_number":2,"viewer_id":"0","steam_id":0,"steam_session_ticket":""}""";

        var response = await client.PostAsync("/tutorial/update_action",
            new StringContent(requestJson, Encoding.UTF8, "application/json"));

        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
        var body = await response.Content.ReadAsStringAsync();

        // Controllers return the INNER data payload; envelope is middleware's job.
        // For the no-op shape the action returns an empty object.
        using var doc = JsonDocument.Parse(body);
        Assert.That(doc.RootElement.ValueKind, Is.EqualTo(JsonValueKind.Object));
        Assert.That(doc.RootElement.EnumerateObject().Count(), Is.EqualTo(0),
            "update_action returns empty data — client uses SkipAllNetworkChecks and reads nothing.");
    }
}