path: root/src/openvic-simulation/interface/GUI.hpp

#pragma once

#include "openvic-simulation/interface/GFX.hpp"

namespace OpenVic {
   class UIManager;
}
namespace OpenVic::GUI {
   class Scene;

   class Position final : public Named<> {
      friend class LoadBase;

      fvec2_t PROPERTY(position);

   protected:
      Position();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map) override;

   public:
      Position(Position&&) = default;
      virtual ~Position() = default;
   };

   class Element : public Named<UIManager const&> {
      friend class Scene;

   public:
      enum class orientation_t {
         UPPER_LEFT, LOWER_LEFT, LOWER_RIGHT, UPPER_RIGHT, CENTER, CENTER_UP, CENTER_DOWN
      };

   private:
      fvec2_t PROPERTY(position);
      orientation_t PROPERTY(orientation);

   protected:
      Element();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;
      static bool _fill_elements_key_map(
         NodeTools::case_insensitive_key_map_t& key_map, NodeTools::callback_t<std::unique_ptr<Element>&&> callback,
         UIManager const& ui_manager
      );

   public:
      Element(Element&&) = default;
      virtual ~Element() = default;

      OV_DETAIL_GET_BASE_TYPE(Element)
      OV_DETAIL_GET_TYPE
   };

   using element_instance_registry_t = NamedInstanceRegistry<Element, UIManager const&>;

   class Scene : public Named<UIManager const&> {
      friend std::unique_ptr<Scene> std::make_unique<Scene>();

      element_instance_registry_t IDENTIFIER_REGISTRY(scene_element);
      NamedRegistry<Position> IDENTIFIER_REGISTRY(scene_position);

   protected:
      Scene() = default;

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      Scene(Scene&&) = default;
      virtual ~Scene() = default;

      OV_DETAIL_GET_TYPE

      static NodeTools::node_callback_t expect_scene(
         std::string_view scene_name, NodeTools::callback_t<std::unique_ptr<Scene>&&> callback, UIManager const& ui_manager
      );

   };

   class Window final : public Element {
      friend std::unique_ptr<Window> std::make_unique<Window>();

      element_instance_registry_t IDENTIFIER_REGISTRY(window_element);

      std::string PROPERTY(background); /* The name of a child button who's sprite is used as the background. */
      fvec2_t PROPERTY(size);
      bool PROPERTY(moveable);
      bool PROPERTY(fullscreen);

      // TODO - dontRender, horizontalBorder, verticalBorder

   protected:
      Window();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      Window(Window&&) = default;
      virtual ~Window() = default;

      OV_DETAIL_GET_TYPE
   };

   class Icon final : public Element {
      friend std::unique_ptr<Icon> std::make_unique<Icon>();

      GFX::Sprite const* PROPERTY(sprite);
      GFX::frame_t PROPERTY(frame);
      fixed_point_t PROPERTY(scale);
      fixed_point_t PROPERTY(rotation); /* In radians, usually one of 0, PI/2 or -PI/2. */

   protected:
      Icon();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      Icon(Icon&&) = default;
      virtual ~Icon() = default;

      OV_DETAIL_GET_TYPE
   };

   class BaseButton : public Element {
      GFX::Sprite const* PROPERTY(sprite);
      std::string PROPERTY(text);
      GFX::Font const* PROPERTY(font);

      // TODO - shortcut

   protected:
      BaseButton();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      BaseButton(BaseButton&&) = default;
      virtual ~BaseButton() = default;

      OV_DETAIL_GET_TYPE
   };

   class Button final : public BaseButton {
      friend std::unique_ptr<Button> std::make_unique<Button>();

      fvec2_t PROPERTY(size);
      fixed_point_t PROPERTY(rotation); /* In radians, usually one of 0, PI/2 or -PI/2. */

      // TODO - clicksound

   protected:
      Button();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      Button(Button&&) = default;
      virtual ~Button() = default;

      OV_DETAIL_GET_TYPE
   };

   class Checkbox final : public BaseButton {
      friend std::unique_ptr<Checkbox> std::make_unique<Checkbox>();

   protected:
      Checkbox() = default;

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      Checkbox(Checkbox&&) = default;
      virtual ~Checkbox() = default;

      OV_DETAIL_GET_TYPE
   };

   class AlignedElement : public Element {
   public:
      enum class format_t {
         left, centre, right, justified
      };

   private:
      format_t PROPERTY(format);

   protected:
      AlignedElement();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      AlignedElement(AlignedElement&&) = default;
      virtual ~AlignedElement() = default;

      OV_DETAIL_GET_TYPE
   };

   class Text final : public AlignedElement {
      friend std::unique_ptr<Text> std::make_unique<Text>();

      std::string PROPERTY(text);
      GFX::Font const* PROPERTY(font);
      fvec2_t PROPERTY(max_size); /* Defines keys: maxWidth, maxHeight */
      fvec2_t PROPERTY(border_size);

      // TODO - fixedsize, textureFile

   protected:
      Text();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      Text(Text&&) = default;
      virtual ~Text() = default;

      OV_DETAIL_GET_TYPE
   };

   class OverlappingElementsBox final : public AlignedElement {
      friend std::unique_ptr<OverlappingElementsBox> std::make_unique<OverlappingElementsBox>();

      fvec2_t PROPERTY(size);
      fixed_point_t PROPERTY(spacing);

   protected:
      OverlappingElementsBox();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      OverlappingElementsBox(OverlappingElementsBox&&) = default;
      virtual ~OverlappingElementsBox() = default;

      OV_DETAIL_GET_TYPE
   };

   class ListBox final : public Element {
      friend std::unique_ptr<ListBox> std::make_unique<ListBox>();

      fvec2_t PROPERTY(size);
      fvec2_t PROPERTY(offset);
      fixed_point_t PROPERTY(spacing);
      std::string PROPERTY(scrollbar_name); /* In vanilla this is always core's standardlistbox_slider */

      // TODO - backGround, borderSize

   protected:
      ListBox();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      ListBox(ListBox&&) = default;
      virtual ~ListBox() = default;

      OV_DETAIL_GET_TYPE
   };

   class TextEditBox final : public Element {
      friend std::unique_ptr<TextEditBox> std::make_unique<TextEditBox>();

      std::string PROPERTY(text);
      GFX::Font const* PROPERTY(font);
      std::string PROPERTY(texture_file);
      fvec2_t PROPERTY(size);
      fvec2_t PROPERTY(border_size);

   protected:
      TextEditBox();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      TextEditBox(TextEditBox&&) = default;
      virtual ~TextEditBox() = default;

      OV_DETAIL_GET_TYPE
   };

   class Scrollbar final : public Element {
      friend std::unique_ptr<Scrollbar> std::make_unique<Scrollbar>();

      element_instance_registry_t IDENTIFIER_REGISTRY(scrollbar_element);

      std::string PROPERTY(slider_button_name);
      std::string PROPERTY(track_button_name);
      std::string PROPERTY(less_button_name);
      std::string PROPERTY(more_button_name);

      fvec2_t PROPERTY(size);
      fvec2_t PROPERTY(border_size);
      fixed_point_t PROPERTY(min_value);
      fixed_point_t PROPERTY(max_value);
      fixed_point_t PROPERTY(step_size);
      fixed_point_t PROPERTY(start_value);
      bool PROPERTY_CUSTOM_PREFIX(horizontal, is)

      bool PROPERTY_CUSTOM_PREFIX(range_limited, is);
      fixed_point_t PROPERTY(range_limit_min);
      fixed_point_t PROPERTY(range_limit_max);
      std::string PROPERTY(range_limit_min_icon_name);
      std::string PROPERTY(range_limit_max_icon_name);

      template<std::derived_from<Element> T>
      T const* get_element(std::string_view name, std::string_view type) const;

   protected:
      Scrollbar();

      bool _fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) override;

   public:
      Scrollbar(Scrollbar&&) = default;
      virtual ~Scrollbar() = default;

      Button const* get_slider_button() const; /* The button you grab and move up and down the scrollbar. */
      Button const* get_track_button() const; /* The track/background the slider button moves along. */
      Button const* get_less_button() const;
      Button const* get_more_button() const;

      Icon const* get_range_limit_min_icon() const;
      Icon const* get_range_limit_max_icon() const;

      OV_DETAIL_GET_TYPE
   };
}