using System.Text.Json;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using RadicadeServer.API.Config;
using RadicadeServer.DB;
using RadicadeServer.RecNet.Config;
using Xunit;

namespace RadicadeServer.Tests;

public class SplitTestCompatibilityTests
{
    [Fact]
    public void EveryForcedExperimentAndSegmentExistsInMarch2023Client()
    {
        var catalog = JsonSerializer.Deserialize<Dictionary<string, string[]>>(
            File.ReadAllText(Path.Combine(AppContext.BaseDirectory, "Fixtures", "split-tests-20230301.json")))!;
        using var db = new RecDBContext(TestDbOptions.Create()
            .UseInMemoryDatabase(Guid.NewGuid().ToString()).Options);
        db.GameConfig.Add(new ConfigVal("splitTestHardOverrides", SplitTestConfigs.HardOverrides));
        db.SaveChanges();
        var response = Assert.IsType<OkObjectResult>(new GameConfigAPI(db).GetAllGameConfigs());
        var configs = Assert.IsType<List<ConfigVal>>(response.Value);
        var overrides = configs.Single(x => x.Key == "splitTestHardOverrides").Value;
        // DB seeds hold the reference-era set, including experiments this client
        // lacks enums for; the API filters those out before responding.
        Assert.False(string.IsNullOrWhiteSpace(overrides));
        foreach (var entry in overrides.Split(';', StringSplitOptions.RemoveEmptyEntries))
        {
            var pair = entry.Split('=', 2);
            Assert.Equal(2, pair.Length);
            Assert.True(catalog.ContainsKey(pair[0]), $"Unknown client experiment: {pair[0]}");
            Assert.Contains(pair[1], catalog[pair[0]]);
        }
    }
}