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#pragma once
#include "json.hpp"
#include <string>
#include <vector>
#include <map>
#include <sstream>


namespace utils {
    nlohmann::json loadJson(const std::string& path);

    void saveJson(const nlohmann::json& data, const std::string& path);

    template<typename Container> std::string join(Container parts, std::string joiner) {
        std::stringstream out;
        bool isFirst = true;
        for(std::string p : parts) {
            if(! isFirst) {
                out << joiner;
            }
            isFirst = false;
            out << p;
        }
        return out.str();
    }

    const std::map<std::string, int> cpValue {
        {"cp", 1},
            {"sp", 10},
            {"ep", 50},
            {"gp", 100},
            {"pp", 1000}
    };

    // Accepts coins formatted "X Yp" where X is an integer and Y is any of c, s, e, g, p.
    int coins2copper(const std::string& coins);

    // Greedily selects highest coin values to minimize total number of coins
    // Returns a vector of pairs mapping coin type to coint
    std::vector<std::pair<std::string, int>> copper2coins(int coppers);

    std::string getCostString(int coppers);

    // Recursively loads all .json files under directory
    /*std::vector<Item> loadAll(std::string directory) {
      std::vector<Item> items;
      for(auto path : std::filesystem::recursive_directory_iterator(directory)) {
      if(path.path().extension() == ".json") {
      items.push_back(Item::instance(loadJson(path.path())));
      }
      }
      return items;
      }*/
}