#include "window.hpp"

#if defined(OS_LINUX)

    #include <hex/api/imhex_api.hpp>
    #include <hex/api/content_registry.hpp>
    #include <hex/api/event.hpp>

    #include <hex/helpers/utils.hpp>
    #include <hex/helpers/logger.hpp>

    #include <nlohmann/json.hpp>
    #include <sys/wait.h>
    #include <unistd.h>

    #include <imgui_impl_glfw.h>

namespace hex {

    void Window::initNative() {
        // Add plugin library folders to dll search path
        for (const auto &path : hex::fs::getDefaultPaths(fs::ImHexPath::Libraries))  {
            if (std::fs::exists(path))
                setenv("LD_LIBRARY_PATH", hex::format("{};{}", hex::getEnvironmentVariable("LD_LIBRARY_PATH").value_or(""), path.string().c_str()).c_str(), true);
        }

        if (!isatty(STDOUT_FILENO)) {
            log::redirectToFile();
        }
    }

    void Window::setupNativeWindow() {
        ImGui_ImplGlfw_SetBorderlessWindowMode(false);

        bool themeFollowSystem = ImHexApi::System::usesSystemThemeDetection();
        EventManager::subscribe<EventOSThemeChanged>(this, [themeFollowSystem] {
            if (!themeFollowSystem) return;

            std::array<char, 128> buffer = { 0 };
            std::string result;

            // TODO: In the future maybe support more DEs instead of just GNOME
            FILE *pipe = popen("gsettings get org.gnome.desktop.interface gtk-theme 2>&1", "r");
            if (pipe == nullptr) return;

            while (fgets(buffer.data(), buffer.size(), pipe) != nullptr)
                result += buffer.data();

            auto exitCode = WEXITSTATUS(pclose(pipe));
            if (exitCode != 0) return;

            EventManager::post<RequestChangeTheme>(hex::containsIgnoreCase(result, "light") ? "Light" : "Dark");
        });

        if (themeFollowSystem)
            EventManager::post<EventOSThemeChanged>();
    }

    void Window::beginNativeWindowFrame() {
    }

    void Window::endNativeWindowFrame() {
    }

    void Window::drawTitleBar() {
    }

}

#endif