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#pragma once

#include "openvic-simulation/types/IdentifierRegistry.hpp"
#include "openvic-simulation/types/fixed_point/FixedPoint.hpp"

namespace OpenVic {
   struct DefineManager;

   struct Define : HasIdentifier {
      friend struct DefineManager;

      enum class Type : unsigned char { Unknown, Date, Country, Economy, Military, Diplomacy, Pops, Ai, Graphics };

      static std::string_view type_to_string(Type type);
      // This only accepts type names found in defines.lua, so it will never return Type::Date
      static Type string_to_type(std::string_view str);

   private:
      std::string PROPERTY(value);
      const Type PROPERTY(type);

      Define(std::string_view new_identifier, std::string_view new_value, Type new_type);

   public:
      Define(Define&&) = default;

      Date get_value_as_date(bool* successful = nullptr) const;
      fixed_point_t get_value_as_fp(bool* successful = nullptr) const;
      int64_t get_value_as_int(bool* successful = nullptr) const;
      uint64_t get_value_as_uint(bool* successful = nullptr) const;
   };

   std::ostream& operator<<(std::ostream& os, Define::Type type);

   struct DefineManager {
   private:
      IdentifierRegistry<Define> IDENTIFIER_REGISTRY(define);

      // Date
      Date PROPERTY(start_date); // start_date
      Date PROPERTY(end_date); // end_date

      // Country

      // Economy

      // Military

      // Diplomacy

      // Pops

      // Ai

      // Graphics

      template<typename T>
      bool load_define(T& value, Define::Type type, std::string_view name) const;

      template<Timespan (*Func)(Timespan::day_t)>
      bool _load_define_timespan(Timespan& value, Define::Type type, std::string_view name) const;

      bool load_define_days(Timespan& value, Define::Type type, std::string_view name) const;
      bool load_define_months(Timespan& value, Define::Type type, std::string_view name) const;
      bool load_define_years(Timespan& value, Define::Type type, std::string_view name) const;

   public:
      DefineManager();

      bool add_define(std::string_view name, std::string_view value, Define::Type type);

      bool in_game_period(Date date) const;

      bool load_defines_file(ast::NodeCPtr root);
   };
}