using DocumentService.Client.Clients;
using Microsoft.Extensions.Logging.Abstractions;
using System.Reflection;

namespace DocumentService.Tests.Live;

/// <summary>
/// Shared base for all live API tests.
/// Uses the typed DocumentService.Client classes — no hardcoded routes.
///
/// Live API: http://172.24.12.39:9393/
/// Override via LIVE_API_BASE_URL environment variable if needed.
/// </summary>
public abstract class LiveApiTestBase : IDisposable
{
    public static readonly string BaseUrl =
        Environment.GetEnvironmentVariable("LIVE_API_BASE_URL")
        ?? "http://172.24.12.39:9393";

    protected readonly HttpClient HttpClient;

    // Typed clients (route-free — routes live inside the client implementations)
    protected readonly PdfValidationClient ValidationClient;
    protected readonly PdfAttachmentClient AttachmentClient;
    protected readonly PdfOperationsClient OperationsClient;
    protected readonly SwissQrCodeClient QrCodeClient;

    protected LiveApiTestBase()
    {
        HttpClient = new HttpClient { BaseAddress = new Uri(BaseUrl) };

        ValidationClient = new PdfValidationClient(HttpClient, NullLogger<PdfValidationClient>.Instance);
        AttachmentClient = new PdfAttachmentClient(HttpClient, NullLogger<PdfAttachmentClient>.Instance);
        OperationsClient = new PdfOperationsClient(HttpClient, NullLogger<PdfOperationsClient>.Instance);
        QrCodeClient     = new SwissQrCodeClient(HttpClient, NullLogger<SwissQrCodeClient>.Instance);
    }

    // ──────────────────────────────────────────────────────────────
    // Embedded-resource helpers
    // ──────────────────────────────────────────────────────────────

    protected static byte[] LoadPdfBytes(string fileName)
    {
        var assembly = Assembly.GetExecutingAssembly();
        var resourceName = $"DocumentService.Tests.Live.TestData.Pdfs.{fileName}";

        using var stream = assembly.GetManifestResourceStream(resourceName)
            ?? throw new FileNotFoundException(
                $"Embedded resource not found: '{resourceName}'. " +
                $"Available: {string.Join(", ", assembly.GetManifestResourceNames())}");

        using var ms = new MemoryStream();
        stream.CopyTo(ms);
        return ms.ToArray();
    }

    protected static Stream LoadPdfStream(string fileName)
    {
        var bytes = LoadPdfBytes(fileName);
        return new MemoryStream(bytes);
    }

    public void Dispose() => HttpClient.Dispose();
}