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

namespace SVSim.UnitTests.Controllers;

/// <summary>
/// Drives the importer + controller against the real prod capture (35 packs). Guards against
/// regressions in either layer caused by future capture refreshes.
/// </summary>
public class PackControllerProdCaptureTests
{
    [Test]
    public async Task Info_returns_full_35_pack_catalog_from_prod_capture()
    {
        // The default captures dir has both pack-info-fixture.json (3 packs) and
        // pack-info-2026-05-23.json (35 packs). LoadCapture sorts by name descending and
        // "pack-info-fixture.json" > "pack-info-2026-05-23.json" lexicographically, so the
        // fixture would win. Copy captures to a temp dir, drop the fixture, then seed from there.
        var sourceDir = Path.Combine(AppContext.BaseDirectory, "Data", "prod-captures");
        var tempDir = Path.Combine(Path.GetTempPath(), "svsim-pack-prod-" + Guid.NewGuid().ToString("N"));
        Directory.CreateDirectory(tempDir);
        try
        {
            foreach (var src in Directory.EnumerateFiles(sourceDir))
            {
                if (Path.GetFileName(src).Equals("pack-info-fixture.json", StringComparison.OrdinalIgnoreCase))
                    continue;
                File.Copy(src, Path.Combine(tempDir, Path.GetFileName(src)));
            }

            using var factory = new SVSimTestFactory();
            await factory.SeedGlobalsAsync(tempDir);   // imports the 35-pack pack-info-2026-05-23.json
            long viewerId = await factory.SeedViewerAsync();

            using var client = factory.CreateAuthenticatedClient(viewerId);
            var response = await client.PostAsync(
                "/pack/info",
                new StringContent("""{"viewer_id":"0","steam_id":0,"steam_session_ticket":""}""",
                    Encoding.UTF8, "application/json"));

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

            using var doc = JsonDocument.Parse(body);
            var list = doc.RootElement.GetProperty("pack_config_list");
            Assert.That(list.GetArrayLength(), Is.EqualTo(35),
                "Full prod capture should yield 35 active packs as of 2026-05-23.");

            // Spot-check pack 99047 (LegendCardPack throwback, pack_category=1)
            bool sawSpecial = false;
            for (int i = 0; i < list.GetArrayLength(); i++)
            {
                var el = list[i];
                if (el.GetProperty("parent_gacha_id").GetInt32() == 99047)
                {
                    Assert.That(el.GetProperty("pack_category").GetInt32(), Is.EqualTo(1),
                        "99047 is a LegendCardPack (category 1) in the prod capture.");
                    sawSpecial = true;
                    break;
                }
            }
            Assert.That(sawSpecial, Is.True, "pack 99047 must be in the prod capture output.");
        }
        finally
        {
            try { Directory.Delete(tempDir, recursive: true); } catch { /* best-effort cleanup */ }
        }
    }
}