using TheCr3w.Shared.External;
using Xunit;

namespace TheCr3w.Tests;

public class ExternalDeploymentTests
{
    private readonly ExternalDeploymentService _service = new();

    [Fact]
    public void ComputeSyncPreview_ShouldCorrectlyIdentifyAddUpdateDelete()
    {
        var localFiles = new Dictionary<string, (string Sha256, long Size)>
        {
            ["index.html"] = ("sha_index_new", 1000),
            ["app.js"] = ("sha_js_same", 5000),
            ["new-file.css"] = ("sha_css_new", 2000)
        };

        var remoteFiles = new Dictionary<string, string>
        {
            ["index.html"] = ("sha_index_old"),
            ["app.js"] = ("sha_js_same"),
            ["obsolete.png"] = ("sha_obsolete")
        };

        var preview = _service.ComputeSyncPreview(localFiles, remoteFiles);

        Assert.Equal(1, preview.FilesToAdd);     // new-file.css
        Assert.Equal(1, preview.FilesToUpdate);  // index.html
        Assert.Equal(1, preview.FilesToDelete);  // obsolete.png
        Assert.Equal(3000, preview.TotalTransferBytes); // 1000 + 2000
    }

    [Fact]
    public void ValidateHostKey_ShouldRejectEmptyOrMismatchedFingerprint()
    {
        Assert.False(_service.ValidateHostKey("SHA256:abc123actual", null));
        Assert.False(_service.ValidateHostKey("SHA256:abc123actual", ""));
        Assert.False(_service.ValidateHostKey("SHA256:abc123actual", "SHA256:wrong"));
        Assert.True(_service.ValidateHostKey("SHA256:abc123actual", "SHA256:abc123actual"));
    }
}