import std;
import Crafter.Build;
namespace fs = std::filesystem;
using namespace Crafter;

extern "C" Configuration CrafterBuildProject(std::span<const std::string_view>) {
    Configuration cfg;
    cfg.path = "./";
    cfg.name = "cuda-test";
    cfg.outputName = "cuda-test";
    cfg.target = "x86_64-pc-linux-gnu";
    cfg.type = ConfigurationType::Executable;

    std::array<fs::path, 0> ifaces = {};
    std::array<fs::path, 1> impls = { "main" };
    cfg.GetInterfacesAndImplementations(ifaces, impls);

    cfg.cuda.push_back("kernel");

    // The outer test driver discovers the SDK location and exports it; nvcc
    // emits __cudaRegisterFatBinary references into every .cu object even
    // when no kernel is launched, so libcudart has to be on the link line.
    if (const char* libDir = std::getenv("CRAFTER_CUDA_LIBDIR")) {
        cfg.linkFlags.push_back(std::format("-L{}", libDir));
        cfg.linkFlags.push_back("-lcudart");
    }

    return cfg;
}