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path: root/src/openvic-simulation/history/CountryHistory.cpp
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#include "CountryHistory.hpp"

#include "openvic-simulation/GameManager.hpp"
#include <string_view>

using namespace OpenVic;
using namespace OpenVic::NodeTools;

CountryHistoryEntry::CountryHistoryEntry(Country const& new_country, Date new_date)
   : HistoryEntry { new_date }, country { new_country } {}

CountryHistoryMap::CountryHistoryMap(Country const& new_country) : country { new_country } {}

std::unique_ptr<CountryHistoryEntry> CountryHistoryMap::_make_entry(Date date) const {
   return std::unique_ptr<CountryHistoryEntry> { new CountryHistoryEntry { country, date } };
}

bool CountryHistoryMap::_load_history_entry(
   GameManager const& game_manager, Dataloader const& dataloader, DeploymentManager& deployment_manager,
   CountryHistoryEntry& entry, ast::NodeCPtr root
) {
   PoliticsManager const& politics_manager = game_manager.get_politics_manager();
   IssueManager const& issue_manager = politics_manager.get_issue_manager();
   CultureManager const& culture_manager = game_manager.get_pop_manager().get_culture_manager();
   CountryManager const& country_manager = game_manager.get_country_manager();
   TechnologyManager const& technology_manager = game_manager.get_research_manager().get_technology_manager();
   InventionManager const& invention_manager = game_manager.get_research_manager().get_invention_manager();
   DecisionManager const& decision_manager = game_manager.get_decision_manager();

   return expect_dictionary_keys_and_default(
      [this, &game_manager, &dataloader, &deployment_manager, &issue_manager, 
         &technology_manager, &invention_manager, &country_manager, &entry](std::string_view key, ast::NodeCPtr value) -> bool {
         ReformGroup const* reform_group = issue_manager.get_reform_group_by_identifier(key);
         if (reform_group != nullptr) {
            return issue_manager.expect_reform_identifier([&entry, reform_group](Reform const& reform) -> bool {
               if (&reform.get_reform_group() != reform_group) {
                  Logger::warning(
                     "Listing ", reform.get_identifier(), " as belonging to the reform group ",
                     reform_group->get_identifier(), " when it actually belongs to ",
                     reform.get_reform_group().get_identifier(), " in history of ", entry.get_country().get_identifier()
                  );
               }
               if (std::find(entry.reforms.begin(), entry.reforms.end(), &reform) != entry.reforms.end()) {
                  Logger::error(
                     "Redefinition of reform ", reform.get_identifier(), " in history of ",
                     entry.get_country().get_identifier()
                  );
                  return false;
               }
               entry.reforms.push_back(&reform);
               return true;
            })(value);
         }

         Technology const* technology = technology_manager.get_technology_by_identifier(key);
         if (technology != nullptr) {
            bool flag;
            if (expect_int_bool(assign_variable_callback(flag))(value)) {
               return entry.technologies.emplace(technology, flag).second;
            } else return false;
         }

         Invention const* invention = invention_manager.get_invention_by_identifier(key);
         if (invention != nullptr) {
            bool flag;
            if (expect_bool(assign_variable_callback(flag))(value)) {
               return entry.inventions.emplace(invention, flag).second;
            } else return false;
         }
         
         return _load_history_sub_entry_callback(
            game_manager, dataloader, deployment_manager, entry.get_date(), value, key, value
         );
      },
      "capital", ZERO_OR_ONE,
         game_manager.get_map().expect_province_identifier(assign_variable_callback_pointer(entry.capital)),
      "primary_culture", ZERO_OR_ONE,
         culture_manager.expect_culture_identifier(assign_variable_callback_pointer(entry.primary_culture)),
      "culture", ZERO_OR_MORE, culture_manager.expect_culture_identifier(
         vector_callback_pointer(entry.accepted_cultures)
      ),
      "religion", ZERO_OR_ONE, game_manager.get_pop_manager().get_religion_manager().expect_religion_identifier(
         assign_variable_callback_pointer(entry.religion)
      ),
      "government", ZERO_OR_ONE, politics_manager.get_government_type_manager().expect_government_type_identifier(
         assign_variable_callback_pointer(entry.government_type)
      ),
      "plurality", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(entry.plurality)),
      "nationalvalue", ZERO_OR_ONE, politics_manager.get_national_value_manager().expect_national_value_identifier(
         assign_variable_callback_pointer(entry.national_value)
      ),
      "civilized", ZERO_OR_ONE, expect_bool(assign_variable_callback(entry.civilised)),
      "prestige", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(entry.prestige)),
      "ruling_party", ZERO_OR_ONE, country.expect_party_identifier(assign_variable_callback_pointer(entry.ruling_party)),
      "last_election", ZERO_OR_ONE, expect_date(assign_variable_callback(entry.last_election)),
      "upper_house", ZERO_OR_ONE, politics_manager.get_ideology_manager().expect_ideology_dictionary(
         [&entry](Ideology const& ideology, ast::NodeCPtr value) -> bool {
            return expect_fixed_point([&entry, &ideology](fixed_point_t val) -> bool {
               entry.upper_house[&ideology] = val;
               return true;
            })(value);
         }
      ),
      "oob", ZERO_OR_ONE, expect_identifier_or_string(
         [&game_manager, &deployment_manager, &dataloader, &entry](std::string_view path) -> bool {
            Deployment const* deployment = nullptr;
            const bool ret = deployment_manager.load_oob_file(game_manager, dataloader, path, deployment, false);
            if (deployment != nullptr) {
               entry.inital_oob = deployment;
            }
            return ret;
         }
      ),
      "schools", ZERO_OR_ONE, technology_manager.expect_technology_school_identifier(
         assign_variable_callback_pointer(entry.tech_school)
      ),
      "foreign_investment", ZERO_OR_ONE, country_manager.expect_country_decimal_map(move_variable_callback(entry.foreign_investment)),
      "literacy", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(entry.literacy)),
      "non_state_culture_literacy", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(entry.nonstate_culture_literacy)),
      "consciousness", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(entry.consciousness)),
      "nonstate_consciousness", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(entry.nonstate_consciousness)),
      "is_releasable_vassal", ZERO_OR_ONE, expect_bool(assign_variable_callback(entry.releasable_vassal)),
      "decision", ZERO_OR_MORE, decision_manager.expect_decision_identifier([&entry](Decision const& decision) -> bool {
         return entry.decisions.emplace(&decision).second;
      }),
      "govt_flag", ZERO_OR_ONE, [&entry, &politics_manager](ast::NodeCPtr value) -> bool {
         GovernmentTypeManager const& government_type_manager = politics_manager.get_government_type_manager();
         GovernmentType const* government_type = nullptr;
         return expect_dictionary(
            [&entry, &government_type_manager, &government_type](std::string_view id, ast::NodeCPtr node) -> bool {
               bool ret = true;
               if (id == "government") {
                  government_type = government_type_manager.get_government_type_by_identifier(id);
                  ret &= government_type != nullptr;
               } else if (id == "flag") {
                  std::string_view flag;
                  ret &= expect_identifier_or_string(assign_variable_callback(flag))(node);
                  ret &= entry.government_flags.emplace(government_type, flag).second;
                  government_type = nullptr;
               }
               return ret;
            }
         )(value);
      },
      "colonial_points", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(entry.colonial_points)), 
      "set_country_flag", ZERO_OR_MORE, expect_identifier_or_string([&entry](std::string_view flag) -> bool {
         return entry.country_flags.emplace(flag).second;
      }),
      "set_global_flag", ZERO_OR_MORE, expect_identifier_or_string([&entry](std::string_view flag) -> bool {
         return entry.global_flags.emplace(flag).second;
      })
   )(root);
}

void CountryHistoryManager::lock_country_histories() {
   Logger::info("Locked country history registry after registering ", country_histories.size(), " items");
   locked = true;
}

bool CountryHistoryManager::is_locked() const {
   return locked;
}

CountryHistoryMap const* CountryHistoryManager::get_country_history(Country const* country) const {
   if (country == nullptr) {
      Logger::error("Attempted to access history of null country");
      return nullptr;
   }
   decltype(country_histories)::const_iterator country_registry = country_histories.find(country);
   if (country_registry != country_histories.end()) {
      return &country_registry->second;
   } else {
      Logger::error("Attempted to access history of country ", country->get_identifier(), " but none has been defined!");
      return nullptr;
   }
}

bool CountryHistoryManager::load_country_history_file(
   GameManager& game_manager, Dataloader const& dataloader, Country const& country, ast::NodeCPtr root
) {
   if (locked) {
      Logger::error(
         "Attempted to load country history file for ", country.get_identifier(),
         " after country history registry was locked!"
      );
      return false;
   }

   if (country.is_dynamic_tag()) {
      return true; /* as far as I can tell dynamic countries are hardcoded, broken, and unused */
   }

   decltype(country_histories)::iterator it = country_histories.find(&country);
   if (it == country_histories.end()) {
      const std::pair<decltype(country_histories)::iterator, bool> result =
         country_histories.emplace(&country, CountryHistoryMap { country });
      if (result.second) {
         it = result.first;
      } else {
         Logger::error("Failed to create country history map for country ", country.get_identifier());
         return false;
      }
   }
   CountryHistoryMap& country_history = it->second;

   return country_history._load_history_file(
      game_manager, dataloader, game_manager.get_military_manager().get_deployment_manager(), root
   );
}