#include "item_display.hpp"

#include "../../resource/font.hpp"
#include "../../util/color.hpp"
#include "../../util/imgui.hpp"

#include <imgui.h>

namespace game::state::play
{
  constexpr auto ZERO_FLOAT = 0.0f;

  void item_header_draw(const resource::xml::Schema::ItemEntry& item)
  {
    ImGui::PushFont(ImGui::GetFont(), resource::Font::HEADER_2);
    ImGui::TextWrapped("%s", item.name.c_str());
    ImGui::PopFont();
  }

  void item_summary_draw(Entity& character, resource::xml::Schema& schema, const resource::xml::Schema::ItemEntry& item)
  {
    using Strings = resource::xml::Strings;

    auto& strings = character.data.strings;
    auto isCategory = item.categoryID >= 0 && item.categoryID < (int)schema.categories.size();
    auto isRarity = item.rarityID >= 0 && item.rarityID < (int)schema.rarities.size();
    auto isFlavor = item.flavorID >= 0 && item.flavorID < (int)schema.flavors.size();

    ImGui::PushStyleColor(ImGuiCol_Text, ImGui::GetColorU32(util::imgui::to_imvec4(util::color::GRAY)));
    if (isCategory && isRarity)
      ImGui::TextWrapped("-- %s (%s) --", schema.categories[item.categoryID].name.c_str(),
                         schema.rarities[item.rarityID].name.c_str());
    else if (isCategory)
      ImGui::TextWrapped("-- %s --", schema.categories[item.categoryID].name.c_str());
    if (item.isFlavor && isFlavor)
      ImGui::TextWrapped(strings.get(Strings::InventoryFlavorFormat).c_str(), schema.flavors[item.flavorID].name.c_str());
    if (item.isCalories) ImGui::TextWrapped(strings.get(Strings::InventoryCaloriesFormat).c_str(), item.calories);
    if (item.isCapacityBonus)
      ImGui::TextWrapped(strings.get(Strings::InventoryCapacityBonusFormat).c_str(), item.capacityBonus);
    if (item.isDigestionBonus)
    {
      if (item.digestionBonus > ZERO_FLOAT)
        ImGui::TextWrapped(strings.get(Strings::InventoryDigestionRateBonusFormat).c_str(),
                           item.digestionBonus * Entity::UPDATE_RATE);
      else if (item.digestionBonus < ZERO_FLOAT)
        ImGui::TextWrapped(strings.get(Strings::InventoryDigestionRatePenaltyFormat).c_str(),
                           item.digestionBonus * Entity::UPDATE_RATE);
    }
    ImGui::PopStyleColor();
  }

  void item_tooltip_draw(Entity& character, resource::xml::Schema& schema, const resource::xml::Schema::ItemEntry& item)
  {
    ImGui::PushTextWrapPos(ImGui::GetFontSize() * ITEM_TOOLTIP_WRAP_FONT_MULTIPLIER);
    item_header_draw(item);
    ImGui::Separator();
    item_summary_draw(character, schema, item);
    ImGui::Separator();
    ImGui::TextWrapped("%s", item.description.c_str());
    ImGui::PopTextWrapPos();
  }
}