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#pragma once

#include "openvic-simulation/economy/Good.hpp"
#include "openvic-simulation/military/Unit.hpp"
#include "openvic-simulation/pop/Culture.hpp"
#include "openvic-simulation/pop/Religion.hpp"
#include "openvic-simulation/scripts/ConditionalWeight.hpp"
#include "openvic-simulation/types/fixed_point/FixedPoint.hpp"

namespace OpenVic {

   struct PopManager;
   struct PopType;
   struct RebelType;
   struct RebelManager;
   struct Ideology;
   struct IdeologyManager;
   struct Issue;
   struct IssueManager;

   /* REQUIREMENTS:
    * POP-18, POP-19, POP-20, POP-21, POP-34, POP-35, POP-36, POP-37
    */
   struct Pop {
      friend struct PopManager;

      using pop_size_t = int64_t;

   private:
      PopType const& PROPERTY(type);
      Culture const& PROPERTY(culture);
      Religion const& PROPERTY(religion);
      pop_size_t PROPERTY(size);

      /* Last day's size change by source. */
      pop_size_t PROPERTY(num_grown);
      pop_size_t PROPERTY(num_promoted); // TODO - detailed promotion/demotion info (what to)
      pop_size_t PROPERTY(num_demoted);
      pop_size_t PROPERTY(num_migrated_internal); // TODO - detailed migration info (where to)
      pop_size_t PROPERTY(num_migrated_external);
      pop_size_t PROPERTY(num_migrated_colonial);

      fixed_point_t PROPERTY(militancy);
      fixed_point_t PROPERTY(consciousness);
      fixed_point_t PROPERTY(literacy);
      RebelType const* PROPERTY(rebel_type);

      Pop(
         PopType const& new_type, Culture const& new_culture, Religion const& new_religion, pop_size_t new_size,
         fixed_point_t new_militancy, fixed_point_t new_consciousness, RebelType const* new_rebel_type
      );

   public:
      Pop(Pop const&) = default;
      Pop(Pop&&) = default;
      Pop& operator=(Pop const&) = delete;
      Pop& operator=(Pop&&) = delete;
   };

   struct Strata : HasIdentifier {
      friend struct PopManager;

   private:
      Strata(std::string_view new_identifier);

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

   /* REQUIREMENTS:
    * POP-15, POP-16, POP-17, POP-26
    */
   struct PopType : HasIdentifierAndColour {
      friend struct PopManager;

      using sprite_t = uint8_t;
      using rebel_units_t = fixed_point_map_t<Unit const*>;
      using poptype_weight_map_t = ordered_map<PopType const*, ConditionalWeight>;
      using ideology_weight_map_t = ordered_map<Ideology const*, ConditionalWeight>;
      using issue_weight_map_t = ordered_map<Issue const*, ConditionalWeight>;

   private:
      Strata const& PROPERTY(strata);
      const sprite_t PROPERTY(sprite);
      Good::good_map_t PROPERTY(life_needs);
      Good::good_map_t PROPERTY(everyday_needs);
      Good::good_map_t PROPERTY(luxury_needs);
      rebel_units_t PROPERTY(rebel_units);
      const Pop::pop_size_t PROPERTY(max_size);
      const Pop::pop_size_t PROPERTY(merge_max_size);
      const bool PROPERTY(state_capital_only);
      const bool PROPERTY(demote_migrant);
      const bool PROPERTY(is_artisan);
      const bool PROPERTY(allowed_to_vote);
      const bool PROPERTY(is_slave);
      const bool PROPERTY(can_be_recruited);
      const bool PROPERTY(can_reduce_consciousness);
      const bool PROPERTY(administrative_efficiency);
      const bool PROPERTY(can_build);
      const bool PROPERTY(factory);
      const bool PROPERTY(can_work_factory);
      const bool PROPERTY(unemployment);

      ConditionalWeight PROPERTY(country_migration_target); /* Scope - country, THIS - pop */
      ConditionalWeight PROPERTY(migration_target); /* Scope - province, THIS - pop */
      poptype_weight_map_t PROPERTY(promote_to); /* Scope - pop */
      ideology_weight_map_t PROPERTY(ideologies); /* Scope - pop */
      issue_weight_map_t PROPERTY(issues); /* Scope - province, THIS - country (?) */

      PopType(
         std::string_view new_identifier, colour_t new_colour, Strata const& new_strata, sprite_t new_sprite,
         Good::good_map_t&& new_life_needs, Good::good_map_t&& new_everyday_needs, Good::good_map_t&& new_luxury_needs,
         rebel_units_t&& new_rebel_units, Pop::pop_size_t new_max_size, Pop::pop_size_t new_merge_max_size,
         bool new_state_capital_only, bool new_demote_migrant, bool new_is_artisan, bool new_allowed_to_vote,
         bool new_is_slave, bool new_can_be_recruited, bool new_can_reduce_consciousness,
         bool new_administrative_efficiency, bool new_can_build, bool new_factory, bool new_can_work_factory,
         bool new_unemployment, ConditionalWeight&& new_country_migration_target, ConditionalWeight&& new_migration_target,
         poptype_weight_map_t&& new_promote_to, ideology_weight_map_t&& new_ideologies, issue_weight_map_t&& new_issues
      );

      bool parse_scripts(GameManager const& game_manager);

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

   struct Province;

   struct PopManager {
   private:
      /* Using strata/stratas instead of stratum/strata to avoid confusion. */
      IdentifierRegistry<Strata> IDENTIFIER_REGISTRY(strata);
      IdentifierRegistry<PopType> IDENTIFIER_REGISTRY(pop_type);
      /* promote_to can't be parsed until after all PopTypes are registered, and issues requires Issues to be loaded,
       * which themselves depend on pop strata. To get around this, the nodes for these variables are stored here and
       * parsed after both PopTypes and Issues. The nodes will remain valid as PopType files' Parser objects are cached
       * to preserve their condition script nodes until all other defines are loaded and the scripts can be parsed. */
      std::vector<std::pair<ast::NodeCPtr, ast::NodeCPtr>> delayed_parse_promote_to_and_issues_nodes;

      ConditionalWeight PROPERTY(promotion_chance);
      ConditionalWeight PROPERTY(demotion_chance);
      ConditionalWeight PROPERTY(migration_chance);
      ConditionalWeight PROPERTY(colonialmigration_chance);
      ConditionalWeight PROPERTY(emigration_chance);
      ConditionalWeight PROPERTY(assimilation_chance);
      ConditionalWeight PROPERTY(conversion_chance);

      PopType::sprite_t PROPERTY(slave_sprite);
      PopType::sprite_t PROPERTY(administrative_sprite);

      CultureManager PROPERTY_REF(culture_manager);
      ReligionManager PROPERTY_REF(religion_manager);

   public:
      PopManager();

      bool add_strata(std::string_view identifier);

      bool add_pop_type(
         std::string_view identifier, colour_t new_colour, Strata const* strata, PopType::sprite_t sprite,
         Good::good_map_t&& life_needs, Good::good_map_t&& everyday_needs, Good::good_map_t&& luxury_needs,
         PopType::rebel_units_t&& rebel_units, Pop::pop_size_t max_size, Pop::pop_size_t merge_max_size,
         bool state_capital_only, bool demote_migrant, bool is_artisan, bool allowed_to_vote, bool is_slave,
         bool can_be_recruited, bool can_reduce_consciousness, bool administrative_efficiency, bool can_build, bool factory,
         bool can_work_factory, bool unemployment, ConditionalWeight&& country_migration_target,
         ConditionalWeight&& migration_target, ast::NodeCPtr promote_to_node, PopType::ideology_weight_map_t&& ideologies,
         ast::NodeCPtr issues_node
      );

      void reserve_pop_types(size_t count);

      bool load_pop_type_file(
         std::string_view filestem, UnitManager const& unit_manager, GoodManager const& good_manager,
         IdeologyManager const& ideology_manager, ast::NodeCPtr root
      );
      bool load_delayed_parse_pop_type_data(IssueManager const& issue_manager);

      bool load_pop_type_chances_file(ast::NodeCPtr root);

      bool load_pop_into_vector(
         RebelManager const& rebel_manager, std::vector<Pop>& vec, PopType const& type, ast::NodeCPtr pop_node,
         bool *non_integer_size
      ) const;

      bool generate_modifiers(ModifierManager& modifier_manager) const;

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