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

#include "GUI.hpp"

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

using namespace OpenVic;
using namespace OpenVic::GUI;
using namespace OpenVic::NodeTools;

Position::Position() : position {} {}

bool Position::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map) {
   bool ret = Named::_fill_key_map(key_map);
   ret &= add_key_map_entry(key_map,
      "position", ONE_EXACTLY, expect_fvec2(assign_variable_callback(position))
   );
   return ret;
}

Element::Element() : position {}, orientation { orientation_t::UPPER_LEFT } {}

bool Element::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = Named::_fill_key_map(key_map, ui_manager);
   using enum orientation_t;
   static const string_map_t<orientation_t> orientation_map = {
      { "UPPER_LEFT", UPPER_LEFT }, { "LOWER_LEFT", LOWER_LEFT },
      { "LOWER_RIGHT", LOWER_RIGHT }, { "UPPER_RIGHT", UPPER_RIGHT },
      { "CENTER", CENTER }, { "CENTER_UP", CENTER_UP }, { "CENTER_DOWN", CENTER_DOWN }
   };
   ret &= add_key_map_entries(key_map,
      "position", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(position)),
      "orientation", ZERO_OR_ONE, expect_identifier_or_string(expect_mapped_string(
         orientation_map, assign_variable_callback(orientation),
         true /* Warn if the key here is invalid, leaving the default orientation UPPER_LEFT unchanged. */
      ))
   );
   return ret;
}

bool Element::_fill_elements_key_map(
   NodeTools::case_insensitive_key_map_t& key_map, callback_t<std::unique_ptr<Element>&&> callback, UIManager const& ui_manager
) {
   bool ret = true;
   ret &= add_key_map_entries(key_map,
      "iconType", ZERO_OR_MORE, _expect_instance<Element, Icon>(callback, ui_manager),
      "shieldtype", ZERO_OR_MORE, _expect_instance<Element, Icon>(callback, ui_manager),
      "guiButtonType", ZERO_OR_MORE, _expect_instance<Element, Button>(callback, ui_manager),
      "checkboxType", ZERO_OR_MORE, _expect_instance<Element, Checkbox>(callback, ui_manager),
      "textBoxType", ZERO_OR_MORE, _expect_instance<Element, Text>(callback, ui_manager),
      "instantTextBoxType", ZERO_OR_MORE, _expect_instance<Element, Text>(callback, ui_manager),
      "OverlappingElementsBoxType", ZERO_OR_MORE, _expect_instance<Element, OverlappingElementsBox>(callback, ui_manager),
      "listboxType", ZERO_OR_MORE, _expect_instance<Element, ListBox>(callback, ui_manager),
      "editBoxType", ZERO_OR_MORE, _expect_instance<Element, TextEditBox>(callback, ui_manager),
      "scrollbarType", ZERO_OR_MORE, _expect_instance<Element, Scrollbar>(callback, ui_manager),
      "windowType", ZERO_OR_MORE, _expect_instance<Element, Window>(callback, ui_manager),
      "eu3dialogtype", ZERO_OR_MORE, _expect_instance<Element, Window>(callback, ui_manager)
   );
   return ret;
}

bool Scene::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = Element::_fill_elements_key_map(key_map, [this](std::unique_ptr<Element>&& element) -> bool {
      return scene_elements.add_item(std::move(element));
   }, ui_manager);
   ret &= add_key_map_entry(key_map,
      "positionType", ZERO_OR_MORE, Position::_expect_value<Position>([this](Position&& position) -> bool {
         return scene_positions.add_item(std::move(position));
      })
   );
   return ret;
}

node_callback_t Scene::expect_scene(
   std::string_view scene_name, callback_t<std::unique_ptr<Scene>&&> callback, UIManager const& ui_manager
) {
   return _expect_instance<Scene, Scene>([scene_name, callback](std::unique_ptr<Scene>&& scene) -> bool {
      scene->_set_name(scene_name);
      return callback(std::move(scene));
   }, ui_manager);
}

Window::Window() : background {}, size {}, moveable { false }, fullscreen { false } {}

bool Window::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = Element::_fill_elements_key_map(key_map, [this](std::unique_ptr<Element>&& element) -> bool {
      return window_elements.add_item(std::move(element));
   }, ui_manager);
   ret &= Element::_fill_key_map(key_map, ui_manager);
   ret &= add_key_map_entries(key_map,
      "size", ONE_EXACTLY, expect_fvec2(assign_variable_callback(size)),
      "moveable", ZERO_OR_ONE, expect_int_bool(assign_variable_callback(moveable)),
      "fullScreen", ZERO_OR_ONE, expect_bool(assign_variable_callback(fullscreen)),
      "backGround", ZERO_OR_ONE, expect_string(assign_variable_callback_string(background), true),

      "dontRender", ZERO_OR_ONE, success_callback, // always empty string?
      "horizontalBorder", ZERO_OR_ONE, success_callback,
      "verticalBorder", ZERO_OR_ONE, success_callback,
      "upsound", ZERO_OR_ONE, success_callback,
      "downsound", ZERO_OR_ONE, success_callback
   );
   return ret;
}

Icon::Icon() : sprite { nullptr }, frame { GFX::NO_FRAMES }, scale { 1 }, rotation { 0 } {}

bool Icon::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = Element::_fill_key_map(key_map, ui_manager);
   ret &= add_key_map_entries(key_map,
      // TODO - make these share a ONE_EXACTLY count
      "spriteType", ZERO_OR_ONE, ui_manager.expect_sprite_string(assign_variable_callback_pointer(sprite)),
      "buttonMesh", ZERO_OR_ONE, ui_manager.expect_sprite_string(assign_variable_callback_pointer(sprite)),

      "frame", ZERO_OR_ONE, expect_uint(assign_variable_callback(frame)),
      "scale", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(scale)),
      "rotation", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(rotation))
   );
   return ret;
}

BaseButton::BaseButton() : sprite { nullptr }, text {}, font { nullptr } {}

bool BaseButton::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = Element::_fill_key_map(key_map, ui_manager);
   // look up sprite registry for texture sprite with name...
   ret &= add_key_map_entries(key_map,
      // TODO - make these share a ONE_EXACTLY count
      "quadTextureSprite", ZERO_OR_ONE,
         ui_manager.expect_sprite_string(assign_variable_callback_pointer(sprite), true),
      "spriteType", ZERO_OR_ONE,
         ui_manager.expect_sprite_string(assign_variable_callback_pointer(sprite)),

      "buttonText", ZERO_OR_ONE, expect_string(assign_variable_callback_string(text), true),
      /* Some buttons have multiple fonts listed with the last one being used. */
      "buttonFont", ZERO_OR_MORE, ui_manager.expect_font_string(assign_variable_callback_pointer(font), true),

      "shortcut", ZERO_OR_ONE, success_callback, // TODO - load and use shortcuts (how to integrate with custom keybinds?)
      "tooltip", ZERO_OR_ONE, success_callback,
      "tooltipText", ZERO_OR_ONE, success_callback,
      "delayedTooltipText", ZERO_OR_ONE, success_callback
   );
   return ret;
}

Button::Button() : size {}, rotation { 0 } {}

bool Button::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = BaseButton::_fill_key_map(key_map, ui_manager);
   ret &= add_key_map_entries(key_map,
      "size", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(size)),
      "rotation", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(rotation)),

      "format", ZERO_OR_ONE, success_callback, /* Is always left from what I've seen. */
      "clicksound", ZERO_OR_ONE, success_callback, // TODO - clicksound!!!
      "parent", ZERO_OR_ONE, success_callback /* Links buttons to a scrollbar, not needed thanks to contextual info. */
   );
   return ret;
}

bool Checkbox::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = BaseButton::_fill_key_map(key_map, ui_manager);
   return ret;
}

AlignedElement::AlignedElement() : format { format_t::left } {}

bool AlignedElement::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = Element::_fill_key_map(key_map, ui_manager);
   using enum format_t;
   static const string_map_t<format_t> format_map = {
      { "left", left }, { "right", right }, { "centre", centre }, { "center", centre }, { "justified", justified }
   };
   ret &= add_key_map_entries(key_map,
      "format", ZERO_OR_ONE, expect_identifier(expect_mapped_string(format_map, assign_variable_callback(format))
   ));
   return ret;
}

Text::Text() : text {}, font { nullptr }, max_size {}, border_size {} {}

bool Text::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = AlignedElement::_fill_key_map(key_map, ui_manager);
   ret &= add_key_map_entries(key_map,
      "text", ZERO_OR_ONE, expect_string(assign_variable_callback_string(text), true),
      "font", ONE_EXACTLY, ui_manager.expect_font_string(assign_variable_callback_pointer(font)),
      "maxWidth", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(max_size.x)),
      "maxHeight", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(max_size.y)),
      "borderSize", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(border_size)),
      "textureFile", ZERO_OR_ONE, expect_string(assign_variable_callback_string(texture_file), true),

      "fixedsize", ZERO_OR_ONE, success_callback,
      "allwaystransparent", ZERO_OR_ONE, success_callback
   );
   return ret;
}

OverlappingElementsBox::OverlappingElementsBox() : size {}, spacing {} {}

bool OverlappingElementsBox::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = AlignedElement::_fill_key_map(key_map, ui_manager);
   ret &= add_key_map_entries(key_map,
      "size", ONE_EXACTLY, expect_fvec2(assign_variable_callback(size)),
      "spacing", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(spacing))
   );
   return ret;
}

ListBox::ListBox() : size {}, scrollbar_offset {}, items_offset {}, spacing {}, scrollbar_name {} {}

bool ListBox::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = Element::_fill_key_map(key_map, ui_manager);
   ret &= add_key_map_entries(key_map,
      "size", ONE_EXACTLY, expect_fvec2(assign_variable_callback(size)),
      "offset", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(scrollbar_offset)),
      "borderSize", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(items_offset)),
      "spacing", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(spacing)),
      "scrollbartype", ZERO_OR_ONE, expect_string(assign_variable_callback_string(scrollbar_name)),

      "backGround", ZERO_OR_ONE, success_callback,
      "horizontal", ZERO_OR_ONE, success_callback,
      "priority", ZERO_OR_ONE, success_callback,
      "allwaystransparent", ZERO_OR_ONE, success_callback
   );
   return ret;
}

TextEditBox::TextEditBox() : text {}, font { nullptr }, texture_file {}, size {}, border_size {} {}

bool TextEditBox::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = Element::_fill_key_map(key_map, ui_manager);
   ret &= add_key_map_entries(key_map,
      "text", ONE_EXACTLY, expect_string(assign_variable_callback_string(text), true),
      "font", ONE_EXACTLY, ui_manager.expect_font_string(assign_variable_callback_pointer(font)),
      "textureFile", ZERO_OR_ONE, expect_string(assign_variable_callback_string(texture_file), true),
      "size", ONE_EXACTLY, expect_fvec2(assign_variable_callback(size)),
      "borderSize", ONE_EXACTLY, expect_fvec2(assign_variable_callback(border_size))
   );
   return ret;
}

Scrollbar::Scrollbar()
  : slider_button_name {}, track_button_name {}, less_button_name{}, more_button_name {}, size {}, border_size {},
   min_value {}, max_value {}, step_size {}, start_value {}, horizontal { false }, range_limited { false },
   range_limit_min {}, range_limit_max {}, range_limit_min_icon_name {}, range_limit_max_icon_name {} {
   scrollbar_elements.reserve(4); /* Space for 4 buttons, might need 2 more for range limit icons. */
}

bool Scrollbar::_fill_key_map(NodeTools::case_insensitive_key_map_t& key_map, UIManager const& ui_manager) {
   bool ret = Element::_fill_key_map(key_map, ui_manager);
   const auto add_element = [this](std::unique_ptr<Element>&& element) -> bool {
      return scrollbar_elements.add_item(std::move(element));
   };
   ret &= add_key_map_entries(key_map,
      "slider", ONE_EXACTLY, expect_string(assign_variable_callback_string(slider_button_name)),
      "track", ONE_EXACTLY, expect_string(assign_variable_callback_string(track_button_name)),
      "leftbutton", ONE_EXACTLY, expect_string(assign_variable_callback_string(less_button_name)),
      "rightbutton", ONE_EXACTLY, expect_string(assign_variable_callback_string(more_button_name)),
      "size", ONE_EXACTLY, expect_fvec2(assign_variable_callback(size)),
      "borderSize", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(border_size)),
      "minValue", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(min_value)),
      "maxValue", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(max_value)),
      "stepSize", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(step_size)),
      "startValue", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(start_value)),
      "horizontal", ONE_EXACTLY, expect_int_bool(assign_variable_callback(horizontal)),
      "useRangeLimit", ZERO_OR_ONE, expect_bool(assign_variable_callback(range_limited)),
      "rangeLimitMin", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(range_limit_min)),
      "rangeLimitMax", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(range_limit_max)),
      "rangeLimitMinIcon", ZERO_OR_ONE, expect_string(assign_variable_callback_string(range_limit_min_icon_name)),
      "rangeLimitMaxIcon", ZERO_OR_ONE, expect_string(assign_variable_callback_string(range_limit_max_icon_name)),

      "guiButtonType", ONE_OR_MORE, _expect_instance<Element, Button>(add_element, ui_manager),
      "iconType", ZERO_OR_MORE, _expect_instance<Element, Icon>(add_element, ui_manager),

      "priority", ZERO_OR_ONE, success_callback
   );
   return ret;
}

template<std::derived_from<Element> T>
T const* Scrollbar::get_element(std::string_view name, std::string_view type) const {
   Element const* element = scrollbar_elements.get_item_by_identifier(name);
   if (element != nullptr) {
      T const* cast_element = element->cast_to<T>();
      if (cast_element != nullptr) {
         return cast_element;
      } else {
         Logger::error(
            "GUI Scrollbar ", get_name(), " ", type, " element ", name, " has wrong type: ", element->get_type(),
            " (expected ", T::get_type_static(), ")"
         );
         return nullptr;
      }
   } else {
      Logger::error("GUI Scrollbar ", get_name(), " has no ", type, " element named ", name, "!");
      return nullptr;
   }
}

Button const* Scrollbar::get_slider_button() const {
   return get_element<Button>(slider_button_name, "slider button");
}

Button const* Scrollbar::get_track_button() const {
   return get_element<Button>(track_button_name, "track button");
}

Button const* Scrollbar::get_less_button() const {
   return get_element<Button>(less_button_name, "less button");
}

Button const* Scrollbar::get_more_button() const {
   return get_element<Button>(more_button_name, "more button");
}

Icon const* Scrollbar::get_range_limit_min_icon() const {
   return get_element<Icon>(range_limit_min_icon_name, "range limit min icon");
}

Icon const* Scrollbar::get_range_limit_max_icon() const {
   return get_element<Icon>(range_limit_max_icon_name, "range limit max icon");
}