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

extern "C" Configuration CrafterBuildProject(std::span<const std::string_view>) {
    // The library — built into mylib/bin/MyMath-<target>-<march>/libMyMath.a
    // and exposed to consumers via cfg.dependencies. The static unique_ptr
    // keeps the Configuration alive for the duration of the build (the
    // consumer holds a raw pointer to it).
    static auto lib = std::make_unique<Configuration>();
    lib->path = "./mylib/";
    lib->name = "MyMath";
    lib->outputName = "MyMath";
    lib->target = "x86_64-pc-linux-gnu";
    lib->type = ConfigurationType::LibraryStatic;
    {
        std::array<fs::path, 1> ifaces = { "MyMath" };
        std::array<fs::path, 0> impls = {};
        lib->GetInterfacesAndImplementations(ifaces, impls);
    }

    // The consumer — main.cpp imports MyMath. The build resolves the import
    // through cfg.dependencies and links libMyMath.a automatically.
    Configuration cfg;
    cfg.path = "./";
    cfg.name = "math-app";
    cfg.outputName = "math-app";
    cfg.target = "x86_64-pc-linux-gnu";
    cfg.type = ConfigurationType::Executable;
    cfg.dependencies = { lib.get() };

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