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

namespace {
    std::unique_ptr<Configuration> MakeLib(std::string_view dir, std::string_view modName,
                                           std::string_view target,
                                           std::span<Configuration*> deps) {
        auto lib = std::make_unique<Configuration>();
        lib->path = std::format("tests/Diamond/{}/", dir);
        lib->name = std::format("{}-Diamond-{}", modName, target);
        lib->outputName = std::string(modName);
        lib->target = std::string(target);
        lib->type = ConfigurationType::LibraryStatic;
        lib->dependencies.assign(deps.begin(), deps.end());
        std::array<fs::path, 1> ifaces = { fs::path(modName) };
        std::array<fs::path, 0> impls = {};
        lib->GetInterfacesAndImplementations(ifaces, impls);
        return lib;
    }
}

extern "C" Configuration CrafterBuildProject(std::span<const std::string_view> args) {
    std::string target = "x86_64-pc-linux-gnu";
    for (auto a : args) {
        if (a.starts_with("--target=")) target = std::string(a.substr(9));
    }

    static std::unique_ptr<Configuration> X, B, C;
    X = MakeLib("X", "X", target, {});
    Configuration* xDeps[] = { X.get() };
    B = MakeLib("B", "B", target, xDeps);
    C = MakeLib("C", "C", target, xDeps);
    Configuration* mainDeps[] = { B.get(), C.get() };

    Configuration cfg;
    cfg.path = "tests/Diamond/";
    cfg.name = "Diamond";
    cfg.outputName = "diamond-app";
    cfg.target = target;
    cfg.type = ConfigurationType::Executable;
    cfg.dependencies.assign(mainDeps, mainDeps + 2);

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