#include "cardset.h"

#include <hkutil/string.h>

#include <fstream>
#include <json.hpp>
#include <sstream>

cardset::cardset(std::string filename) {
  std::ifstream in(filename, std::ios::in | std::ios::binary);
  std::ostringstream contents;
  contents << in.rdbuf();

  nlohmann::json cardsJson = nlohmann::json::parse(contents.str());

  for (const auto& cardJson : cardsJson) {
    if (
        // The object needs to be a card
        cardJson["object"] == "card" &&
        // It needs to have a downloadable image
        cardJson.count("image_uris") &&
        // Make sure we can support the card layout
        (cardJson["layout"] == "normal" || cardJson["layout"] == "leveler" ||
         cardJson["layout"] == "saga") &&
        // Digital cards look slightly different so ignore them
        !cardJson["digital"] &&
        // Only use english printings
        cardJson["lang"] == "en" &&
        // Currently not supporting silver bordered cards
        cardJson["border_color"] != "silver" &&
        // It is hard to read the name of a planeswalker
        cardJson["type_line"].get<std::string>().find("Planeswalker") ==
            std::string::npos &&
        // This cuts out checklists and special tokens
        cardJson["type_line"] != "Card" &&
        // Amonkhet invocations are impossible
        cardJson["set"] != "mp2" &&
        // Unknown Event is not a real thing huh
        cardJson["set"] != "da1" &&
        // Ignore cards with the special legendary flare
        (!cardJson.count("frame_effects") ||
         !cardJson["frame_effects"].count("legendary"))) {
      card_frame frame;

      if (cardJson["frame"] == "2015") {
        frame = card_frame::m2015;
      } else if (cardJson["frame"] == "2003") {
        frame = card_frame::modern;
      } else {
        continue;
      }

      size_t cardId = cards_.size();
      cards_.emplace_back(cardId, cardJson["name"],
                          cardJson["image_uris"]["png"], frame, cardJson["id"]);

      std::string canon = hatkirby::lowercase(cardJson["name"]);

      for (int i = 0; i < canon.length(); i++) {
        titles_.add(canon, {cardId, i}, i);

        chars_.insert(canon.at(i));
      }
    }
  }
}