#pragma once
#include "feature.h"
#include "spell.h"
#include "rules.h"
#include "utils.h"
#include <memory>
#include <nlohmann/json.hpp>

typedef nlohmann::json json;

namespace entry {
    struct SlotLevel;

    void to_json(nlohmann::json& j, const SlotLevel& sl);
    void from_json(const nlohmann::json& j, SlotLevel& sl);
    
    struct SlotLevel {
        SlotLevel() : numSlots(0) {}
        int numSlots;
        std::vector<std::shared_ptr<Spell>> spells;
        static std::shared_ptr<SlotLevel> create(const nlohmann::json& data);
        nlohmann::json serialize() {
            nlohmann::json ret;
            to_json(ret, *this);
            return ret;
        }
    };

    class Spellcasting : public Feature {
        public:
            bool isInnate(void) const {return innate;}
            rules::Ability getAbility(void) const {return spellcasting_ability;}
            const std::vector<std::shared_ptr<SlotLevel>>& getSlotLevels(void) const {return levels;}
            void addSlotLevel(void) {levels.push_back(std::shared_ptr<SlotLevel>(new SlotLevel()));}
            std::vector<std::shared_ptr<Spell>> getSpells(void) const;
            virtual std::string getText(const creature::Creature& c) const;

            NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE(Feature, Spellcasting, innate, spellcasting_ability, levels);

        private:
            bool innate;
            rules::Ability spellcasting_ability;
            std::vector<std::shared_ptr<SlotLevel>> levels;
    };
}