using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.Testing;

namespace ItWorx.KnowledgeHub.Api.Tests;

public sealed class KnowledgeHubApiFactory : WebApplicationFactory<Program>
{
    protected override void ConfigureWebHost(IWebHostBuilder builder)
    {
        builder.UseContentRoot(
            Path.Combine(
                FindRepositoryRoot().FullName,
                "src",
                "backend",
                "ItWorx.KnowledgeHub.Api"));

        builder.UseEnvironment("Test");
    }

    private static DirectoryInfo FindRepositoryRoot()
    {
        DirectoryInfo? current = new(AppContext.BaseDirectory);

        while (current is not null)
        {
            if (File.Exists(Path.Combine(current.FullName, "global.json"))
                && (File.Exists(Path.Combine(current.FullName, "CLAUDE.md"))
                    || File.Exists(Path.Combine(current.FullName, "PUBLIC_SOURCE_EXPORT.md"))))
            {
                return current;
            }

            current = current.Parent;
        }

        throw new DirectoryNotFoundException("Could not locate the repository root.");
    }
}