#include <luna/String.h>
#include <sys/utsname.h>
#include <ui/App.h>
#include <ui/Button.h>
#include <ui/Label.h>
#include <ui/Layout.h>

static constexpr ui::Color BACKGROUND_COLOR = ui::Color::from_rgb(89, 89, 89);

Result<int> luna_main(int, char**)
{
    ui::App app;
    TRY(app.init());

    auto* window = TRY(ui::Window::create(ui::Rect { 300, 300, 400, 300 }));
    app.set_main_window(window);

    window->set_title("About");
    window->set_background(BACKGROUND_COLOR);

    utsname info;
    uname(&info);

    ui::VerticalLayout main_layout;
    window->set_main_widget(main_layout);

    ui::Label title("About Luna");
    title.set_font(ui::Font::default_bold_font());

    main_layout.add_widget(title);

    ui::VerticalLayout version_info;
    main_layout.add_widget(version_info);

    ui::Label license("Licensed under the BSD-2-Clause license.");
    main_layout.add_widget(license);

    String os_release_text = TRY(String::format("OS release: %s"_sv, info.release));
    ui::Label os_release(os_release_text.view());
    version_info.add_widget(os_release);

    String kernel_version_text = TRY(String::format("Kernel version: %s"_sv, info.version));
    ui::Label kernel_version(kernel_version_text.view());
    version_info.add_widget(kernel_version);

    return app.run();
}