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path: root/extension/src/openvic2/map/Building.cpp
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#include "openvic2/map/Building.hpp"

#include <cassert>

#include "openvic2/Logger.hpp"

using namespace OpenVic2;

Building::Building(BuildingType const& new_type) : HasIdentifier{ new_type.get_identifier() }, type{ new_type } {}

bool Building::_can_expand() const {
   return level < type.get_max_level();
}

BuildingType const& Building::get_type() const {
   return type;
}

Building::level_t Building::get_level() const {
   return level;
}

Building::ExpansionState Building::get_expansion_state() const {
   return expansion_state;
}

Date const& Building::get_start_date() const {
   return start;
}

Date const& Building::get_end_date() const {
   return end;
}

float Building::get_expansion_progress() const {
   return expansion_progress;
}

return_t Building::expand() {
   if (expansion_state == ExpansionState::CanExpand) {
      expansion_state = ExpansionState::Preparing;
      expansion_progress = 0.0f;
      return SUCCESS;
   }
   return FAILURE;
}

/* REQUIREMENTS:
 * MAP-71, MAP-74, MAP-77
 */
void Building::update_state(Date const& today) {
   switch (expansion_state) {
      case ExpansionState::Preparing:
         start = today;
         end = start + type.get_build_time();
         break;
      case ExpansionState::Expanding:
         expansion_progress = static_cast<double>(today - start) / static_cast<double>(end - start);
         break;
      default: expansion_state = _can_expand() ? ExpansionState::CanExpand : ExpansionState::CannotExpand;
   }
}

void Building::tick(Date const& today) {
   if (expansion_state == ExpansionState::Preparing) {
      expansion_state = ExpansionState::Expanding;
   }
   if (expansion_state == ExpansionState::Expanding) {
      if (end <= today) {
         level++;
         expansion_state = ExpansionState::CannotExpand;
      }
   }
}

BuildingType::BuildingType(std::string const& new_identifier, Building::level_t new_max_level, Timespan new_build_time) :
   HasIdentifier{ new_identifier }, max_level{ new_max_level }, build_time{ new_build_time } {
   assert(new_max_level >= 0);
   assert(build_time >= 0);
}

Building::level_t BuildingType::get_max_level() const {
   return max_level;
}

Timespan BuildingType::get_build_time() const {
   return build_time;
}

const char BuildingManager::building_types_name[] = "building types";

return_t BuildingManager::add_building_type(std::string const& identifier, Building::level_t max_level, Timespan build_time) {
   if (max_level < 0) {
      Logger::error("Invalid building type max level: ", max_level);
      return FAILURE;
   }
   if (build_time < 0) {
      Logger::error("Invalid building type build time: ", build_time);
      return FAILURE;
   }
   return building_types.add_item({ identifier, max_level, build_time });
}

void BuildingManager::lock_building_types() {
   building_types.lock();
}

BuildingType const* BuildingManager::get_building_type_by_identifier(std::string const& identifier) const {
   return building_types.get_item_by_identifier(identifier);
}

void BuildingManager::generate_province_buildings(std::vector<Building>& buildings) const {
   for (BuildingType const& type : building_types.get_items())
      buildings.push_back(Building{ type });
}