#pragma once

namespace pp::app {

struct AppInitialSurfacePlan {
    float width = 960.0F;
    float height = 540.0F;
};

struct AppFrameUpdatePlan {
    bool update_frame = false;
    bool update_layouts = false;
    bool refresh_canvas_toolbar = false;
};

struct AppFrameDrawPlan {
    bool draw_canvas_stroke = false;
    bool draw_vr_ui = false;
    bool draw_main_ui = true;
    bool reset_redraw = true;
};

[[nodiscard]] constexpr AppInitialSurfacePlan plan_app_initial_surface() noexcept
{
    return AppInitialSurfacePlan {
        .width = 1920.0F / 2.0F,
        .height = 1080.0F / 2.0F,
    };
}

[[nodiscard]] constexpr AppFrameUpdatePlan plan_app_frame_update(bool redraw, bool animate) noexcept
{
    const bool update_frame = redraw || animate;
    return AppFrameUpdatePlan {
        .update_frame = update_frame,
        .update_layouts = update_frame,
        .refresh_canvas_toolbar = update_frame,
    };
}

[[nodiscard]] constexpr AppFrameDrawPlan plan_app_frame_draw(
    bool has_canvas_node,
    bool has_canvas_document,
    bool vr_active,
    bool ui_visible,
    bool vr_only) noexcept
{
    return AppFrameDrawPlan {
        .draw_canvas_stroke = has_canvas_node && has_canvas_document,
        .draw_vr_ui = vr_active && ui_visible,
        .draw_main_ui = !vr_only,
        .reset_redraw = true,
    };
}

} // namespace pp::app