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

namespace SVSim.UnitTests.Controllers;

public class GiftControllerTests
{
    private const string BaseAuthBlock =
        @"""viewer_id"":""0"",""steam_id"":0,""steam_session_ticket"":""""";

    [Test]
    public async Task GiftTop_returns_five_tutorial_gifts_for_unclaimed_viewer()
    {
        using var factory = new SVSimTestFactory();
        long viewerId = await factory.SeedViewerAsync(tutorialState: 31);
        using var client = factory.CreateAuthenticatedClient(viewerId);

        var response = await client.PostAsync("/tutorial/gift_top",
            new StringContent($$"""{"page":1,{{BaseAuthBlock}}}""", Encoding.UTF8, "application/json"));

        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
        using var doc = JsonDocument.Parse(await response.Content.ReadAsStringAsync());
        var root = doc.RootElement;

        var presents = root.GetProperty("present_list");
        Assert.That(presents.GetArrayLength(), Is.EqualTo(5));

        // Expect the legendary pack entry (present_id 71478630) to be present.
        bool foundLegendaryGift = false;
        foreach (var p in presents.EnumerateArray())
        {
            if (p.GetProperty("present_id").GetString() == "71478630")
            {
                foundLegendaryGift = true;
                Assert.That(p.GetProperty("reward_type").GetString(), Is.EqualTo("4"));
                Assert.That(p.GetProperty("reward_detail_id").GetString(), Is.EqualTo("90001"));
                Assert.That(p.GetProperty("reward_count").GetString(), Is.EqualTo("1"));
                Assert.That(p.GetProperty("item_type").GetInt32(), Is.EqualTo(2));
                Assert.That(p.GetProperty("message").GetString(), Is.EqualTo("For completing the tutorial"));
            }
        }
        Assert.That(foundLegendaryGift, Is.True, "Legendary starter pack gift (71478630) must be in present_list.");

        Assert.That(root.GetProperty("present_history_list").GetArrayLength(), Is.EqualTo(0));
        Assert.That(root.GetProperty("limit_over_present_list").GetArrayLength(), Is.EqualTo(0));
    }
}