src/openvic-simulation/politics/Rule.hpp


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#pragma once

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

namespace OpenVic {
   struct RuleManager;

   struct Rule : HasIdentifier {
      friend struct RuleManager;

   private:
      Rule(std::string_view new_identifier);

   public:
      Rule(Rule&&) = default;
   };

   struct RuleSet {
      friend struct RuleManager;

      using rule_map_t = std::map<Rule const*, bool>;

   private:
      rule_map_t rules;

   public:
      RuleSet() = default;
      RuleSet(rule_map_t&& new_rules);
      RuleSet(RuleSet const&) = default;
      RuleSet(RuleSet&&) = default;

      RuleSet& operator=(RuleSet const&) = default;
      RuleSet& operator=(RuleSet&&) = default;

      size_t get_rule_count() const;

      bool get_rule(Rule const* rule, bool* successful = nullptr);
      bool has_rule(Rule const* rule) const;

      RuleSet& operator|=(RuleSet const& right);
      RuleSet operator|(RuleSet const& right) const;

      friend std::ostream& operator<<(std::ostream& stream, RuleSet const& value);
   };

   struct RuleManager {
   private:
      IdentifierRegistry<Rule> IDENTIFIER_REGISTRY(rule);

   public:
      bool add_rule(std::string_view identifier);

      bool setup_rules();

      NodeTools::node_callback_t expect_rule_set(NodeTools::callback_t<RuleSet&&> ruleset_callback) const;
   };
}