src/openvic-simulation/scripts/ConditionalWeight.hpp


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#pragma once

#include <variant>
#include <vector>

#include "openvic-simulation/dataloader/NodeTools.hpp"
#include "openvic-simulation/scripts/ConditionScript.hpp"
#include "openvic-simulation/types/fixed_point/FixedPoint.hpp"

namespace OpenVic {
   struct ConditionalWeight {
      using condition_weight_t = std::pair<fixed_point_t, ConditionScript>;
      using condition_weight_group_t = std::vector<condition_weight_t>;
      using condition_weight_item_t = std::variant<condition_weight_t, condition_weight_group_t>;

      enum class base_key_t : uint8_t {
         BASE, FACTOR, MONTHS
      };
      using enum base_key_t;

   private:
      fixed_point_t PROPERTY(base);
      std::vector<condition_weight_item_t> PROPERTY(condition_weight_items);
      scope_t PROPERTY(initial_scope);
      scope_t PROPERTY(this_scope);
      scope_t PROPERTY(from_scope);

      struct parse_scripts_visitor_t;

   public:
      ConditionalWeight(scope_t new_initial_scope, scope_t new_this_scope, scope_t new_from_scope);
      ConditionalWeight(ConditionalWeight&&) = default;

      static constexpr std::string_view base_key_to_string(base_key_t base_key) {
         switch (base_key) {
            case base_key_t::BASE: return "base";
            case base_key_t::FACTOR: return "factor";
            case base_key_t::MONTHS: return "months"; // TODO - add functionality for days or months or years
            default: return "INVALID BASE KEY";
         }
      }

      NodeTools::node_callback_t expect_conditional_weight(base_key_t base_key);

      bool parse_scripts(GameManager const& game_manager);
   };
}