path: root/src/openvic-simulation/misc/Event.cpp

#include "Event.hpp"

#include "openvic-simulation/dataloader/NodeTools.hpp"
#include "openvic-simulation/politics/Issue.hpp"

using namespace OpenVic;
using namespace OpenVic::NodeTools;

Event::EventOption::EventOption(std::string_view new_name, EffectScript&& new_effect, ConditionalWeight&& new_ai_chance)
  : name { new_name }, effect { std::move(new_effect) }, ai_chance { std::move(new_ai_chance) } {}

bool Event::EventOption::parse_scripts(GameManager& game_manager) {
   bool ret = true;
   ret &= effect.parse_script(false, game_manager);
   ret &= ai_chance.parse_scripts(game_manager);
   return ret;
}

Event::Event(
   std::string_view new_identifier, std::string_view new_title, std::string_view new_description,
   std::string_view new_image, event_type_t new_type, bool new_triggered_only, bool new_major, bool new_fire_only_once,
   bool new_allows_multiple_instances, bool new_news, std::string_view new_news_title, std::string_view new_news_desc_long,
   std::string_view new_news_desc_medium, std::string_view new_news_desc_short, bool new_election,
   IssueGroup const* new_election_issue_group, ConditionScript&& new_trigger, ConditionalWeight&& new_mean_time_to_happen,
   EffectScript&& new_immediate, std::vector<EventOption>&& new_options
) : HasIdentifier { new_identifier }, title { new_title }, description { new_description }, image { new_image },
   type { new_type }, triggered_only { new_triggered_only }, major { new_major }, fire_only_once { new_fire_only_once },
   allows_multiple_instances { new_allows_multiple_instances }, news { new_news }, news_title { new_news_title },
   news_desc_long { new_news_desc_long }, news_desc_medium { new_news_desc_medium }, news_desc_short { new_news_desc_short },
   election { new_election }, election_issue_group { new_election_issue_group }, trigger { std::move(new_trigger) },
   mean_time_to_happen { std::move(new_mean_time_to_happen) }, immediate { std::move(new_immediate) },
   options { std::move(new_options) } {}

bool Event::parse_scripts(GameManager& game_manager) {
   bool ret = true;
   ret &= trigger.parse_script(true, game_manager);
   ret &= mean_time_to_happen.parse_scripts(game_manager);
   ret &= immediate.parse_script(true, game_manager);
   for (EventOption& option : options) {
      ret &= option.parse_scripts(game_manager);
   }
   return ret;
}

OnAction::OnAction(std::string_view new_identifier, weight_map_t&& new_weighted_events)
   : HasIdentifier { new_identifier }, weighted_events { std::move(new_weighted_events) } {}

bool EventManager::register_event(
   std::string_view identifier, std::string_view title, std::string_view description, std::string_view image,
   Event::event_type_t type, bool triggered_only, bool major, bool fire_only_once, bool allows_multiple_instances, bool news,
   std::string_view news_title, std::string_view news_desc_long, std::string_view news_desc_medium,
   std::string_view news_desc_short, bool election, IssueGroup const* election_issue_group, ConditionScript&& trigger,
   ConditionalWeight&& mean_time_to_happen, EffectScript&& immediate, std::vector<Event::EventOption>&& options
) {
   if (identifier.empty()) {
      Logger::error("Invalid event ID - empty!");
      return false;
   }
   if (title.empty()) {
      Logger::warning("Event with ID ", identifier, " has no title!");
   }
   if (description.empty()) {
      Logger::warning("Event with ID ", identifier, " has no description!");
   }
   if (options.empty()) {
      Logger::error("No options specified for event with ID ", identifier);
      return false;
   }
   if (election && election_issue_group == nullptr) {
      Logger::warning("Event with ID ", identifier, " is an election event but has no issue group!");
   } else if (!election && election_issue_group != nullptr) {
      Logger::warning(
         "Event with ID ", identifier, " is not an election event but has issue group ",
         election_issue_group->get_identifier(), "!"
      );
   }
   if (news) {
      if (news_desc_long.empty() || news_desc_medium.empty() || news_desc_short.empty()) {
         Logger::warning(
            "Event with ID ", identifier, " is a news event but doesn't have long, medium and short descriptions!"
         );
      }
   } else {
      if (!news_title.empty() || !news_desc_long.empty() || !news_desc_medium.empty() || !news_desc_short.empty()) {
         Logger::warning("Event with ID ", identifier, " is not a news event but has news strings specified!");
      }
   }

   if (options.empty()) {
      Logger::error("Event with ID ", identifier, " has no options!");
      return false;
   } else {
      for (Event::EventOption const& option : options) {
         if (option.name.empty()) {
            Logger::warning("Event with ID ", identifier, " has an option with no name!");
         }
      }
   }

   // TODO - error if is_triggered_only with triggers or MTTH defined

   return events.add_item({
      identifier, title, description, image, type, triggered_only, major, fire_only_once, allows_multiple_instances, news,
      news_title, news_desc_long, news_desc_medium, news_desc_short, election, election_issue_group, std::move(trigger),
      std::move(mean_time_to_happen), std::move(immediate), std::move(options)
   }, duplicate_warning_callback);
}

bool EventManager::add_on_action(std::string_view identifier, OnAction::weight_map_t&& weighted_events) {
   if (identifier.empty()) {
      Logger::error("Invalid decision identifier - empty!");
      return false;
   }

   return on_actions.add_item({ identifier, std::move(weighted_events) });
}

bool EventManager::load_event_file(IssueManager const& issue_manager, ast::NodeCPtr root) {
   return expect_dictionary_reserve_length(
      events,
      [this, &issue_manager](std::string_view key, ast::NodeCPtr value) -> bool {
         Event::event_type_t type;
         scope_t initial_scope;

         if (key == "country_event") {
            type = Event::event_type_t::COUNTRY;
            initial_scope = scope_t::COUNTRY;
         } else if (key == "province_event") {
            type = Event::event_type_t::PROVINCE;
            initial_scope = scope_t::PROVINCE;
         } else {
            Logger::error("Invalid event type: ", key);
            return false;
         }

         std::string_view identifier, title, description, image, news_title, news_desc_long, news_desc_medium,
            news_desc_short;
         bool triggered_only = false, major = false, fire_only_once = false, allows_multiple_instances = false,
            news = false, election = false;
         IssueGroup const* election_issue_group = nullptr;
         ConditionScript trigger { initial_scope, initial_scope, scope_t::NO_SCOPE };
         ConditionalWeight mean_time_to_happen { initial_scope, initial_scope, scope_t::NO_SCOPE };
         EffectScript immediate;
         std::vector<Event::EventOption> options;

         bool ret = expect_dictionary_keys(
            "id", ONE_EXACTLY, expect_identifier(assign_variable_callback(identifier)),
            "title", ONE_EXACTLY, expect_identifier_or_string(assign_variable_callback(title)),
            "desc", ONE_EXACTLY, expect_identifier_or_string(assign_variable_callback(description)),
            "picture", ZERO_OR_ONE, expect_identifier_or_string(assign_variable_callback(image), true),
            "is_triggered_only", ZERO_OR_ONE, expect_bool(assign_variable_callback(triggered_only)),
            "major", ZERO_OR_ONE, expect_bool(assign_variable_callback(major)),
            "fire_only_once", ZERO_OR_ONE, expect_bool(assign_variable_callback(fire_only_once)),
            "allow_multiple_instances", ZERO_OR_ONE, expect_bool(assign_variable_callback(allows_multiple_instances)),
            "news", ZERO_OR_ONE, expect_bool(assign_variable_callback(news)),
            "news_title", ZERO_OR_ONE, expect_identifier_or_string(assign_variable_callback(news_title)),
            "news_desc_long", ZERO_OR_ONE, expect_identifier_or_string(assign_variable_callback(news_desc_long)),
            "news_desc_medium", ZERO_OR_ONE, expect_identifier_or_string(assign_variable_callback(news_desc_medium)),
            "news_desc_short", ZERO_OR_ONE, expect_identifier_or_string(assign_variable_callback(news_desc_short)),
            "election", ZERO_OR_ONE, expect_bool(assign_variable_callback(election)),
            "issue_group", ZERO_OR_ONE,
               issue_manager.expect_issue_group_identifier(assign_variable_callback_pointer(election_issue_group)),
            "option", ONE_OR_MORE, [&options, initial_scope](ast::NodeCPtr node) -> bool {
               std::string_view name;
               EffectScript effect;
               ConditionalWeight ai_chance {
                  initial_scope,
                  initial_scope,
                  scope_t::COUNTRY | scope_t::PROVINCE
               };

               bool ret = expect_dictionary_keys_and_default(
                  key_value_success_callback, /* Option effects, passed to the EffectScript below */
                  "name", ONE_EXACTLY, expect_identifier_or_string(assign_variable_callback(name)),
                  "ai_chance", ZERO_OR_ONE, ai_chance.expect_conditional_weight(ConditionalWeight::FACTOR)
               )(node);

               ret &= effect.expect_script()(node);

               options.push_back({ name, std::move(effect), std::move(ai_chance) });
               return ret;
            },
            "trigger", ZERO_OR_ONE, trigger.expect_script(),
            "mean_time_to_happen", ZERO_OR_ONE, mean_time_to_happen.expect_conditional_weight(ConditionalWeight::MONTHS),
            "immediate", ZERO_OR_MORE, immediate.expect_script()
         )(value);
         ret &= register_event(
            identifier, title, description, image, type, triggered_only, major, fire_only_once, allows_multiple_instances,
            news, news_title, news_desc_long, news_desc_medium, news_desc_short, election, election_issue_group,
            std::move(trigger), std::move(mean_time_to_happen), std::move(immediate), std::move(options)
         );
         return ret;
      }
   )(root);
}

bool EventManager::load_on_action_file(ast::NodeCPtr root) {
   bool ret = expect_dictionary([this](std::string_view identifier, ast::NodeCPtr node) -> bool {
      OnAction::weight_map_t weighted_events;
      bool ret = expect_dictionary_reserve_length(
         weighted_events,
         [this, &identifier, &weighted_events](std::string_view weight_str, ast::NodeCPtr event_node) -> bool {
            bool ret = false;
            uint64_t weight = StringUtils::string_to_uint64(weight_str, &ret);
            if (!ret) {
               Logger::error("Invalid weight ", weight_str, " on action ", identifier);
               return ret;
            }

            Event const* event = nullptr;
            ret &= expect_event_identifier(assign_variable_callback_pointer(event))(event_node);

            if (event != nullptr) {
               ret &= map_callback(weighted_events, event)(weight);
            } else {
               Logger::warning(
                  "Non-existing event ", event_node, " loaded on action ", identifier, " with weight ",
                  weight, "!"
               );
            }

            return ret;
         }
      )(node);
      ret &= add_on_action(identifier, std::move(weighted_events));
      return ret;
   })(root);
   on_actions.lock();
   return ret;
}

bool EventManager::parse_scripts(GameManager& game_manager) {
   bool ret = true;
   for (Event& event : events.get_items()) {
      ret &= event.parse_scripts(game_manager);
   }
   return ret;
}