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path: root/src/openvic-simulation/politics/Issue.cpp
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#include "Issue.hpp"

using namespace OpenVic;
using namespace OpenVic::NodeTools;

IssueType::IssueType(const std::string_view new_identifier) : HasIdentifier { new_identifier } {}

IssueGroup::IssueGroup(const std::string_view new_identifier, IssueType const& new_type, bool ordered) 
   : HasIdentifier { new_identifier }, type { new_type }, ordered { ordered } {}

IssueType const& IssueGroup::get_type() const {
   return type;
}

bool IssueGroup::is_ordered() const {
   return ordered;
}

Issue::Issue(const std::string_view new_identifier, IssueGroup const& new_group, size_t ordinal)
   : HasIdentifier { new_identifier }, group { new_group }, ordinal { ordinal } {}

IssueType const& Issue::get_type() const {
   return group.get_type();
}

IssueGroup const& Issue::get_group() const {
   return group;
}

size_t Issue::get_ordinal() const {
   return ordinal;
}

IssueManager::IssueManager() : issue_types { "issue types" }, issue_groups { "issue groups" }, issues { "issues" } {}

bool IssueManager::add_issue_type(const std::string_view identifier) {
   if (identifier.empty()) {
      Logger::error("Invalid issue type identifier - empty!");
      return false;
   }

   return issue_types.add_item({ identifier });
}

bool IssueManager::add_issue_group(const std::string_view identifier, IssueType const* type, bool ordered) {
   if (identifier.empty()) {
      Logger::error("Invalid issue group identifier - empty!");
      return false;
   }

   if (type == nullptr) {
      Logger::error("Null issue type for ", identifier);
      return false;
   }

   return issue_groups.add_item({ identifier, *type, ordered });
}

bool IssueManager::add_issue(const std::string_view identifier, IssueGroup const* group, size_t ordinal) {
   if (identifier.empty()) {
      Logger::error("Invalid issue identifier - empty!");
      return false;
   }

   if (group == nullptr) {
      Logger::error("Null issue group for ", identifier);
      return false;
   }

   return issues.add_item({ identifier, *group, ordinal });
}

bool IssueManager::_load_issue_group(size_t& expected_issues, const std::string_view identifier, IssueType const* type, ast::NodeCPtr node) {
   bool ordered = false;
   return expect_dictionary_keys_and_length(
      [&expected_issues](size_t size) -> size_t {
         expected_issues += size;
         return size;
      }, ALLOW_OTHER_KEYS,
      "next_step_only", ONE_EXACTLY, [&expected_issues, &ordered](ast::NodeCPtr node) -> bool {
         expected_issues--;
         return expect_bool(assign_variable_callback(ordered))(node);
      }
   )(node) && add_issue_group(identifier, type, ordered);
}

bool IssueManager::_load_issue(size_t& ordinal, const std::string_view identifier, IssueGroup const* group, ast::NodeCPtr node) {
   //TODO: conditions to allow, policy modifiers, policy rule changes
   return add_issue(identifier, group, ordinal);
}

/* REQUIREMENTS:
 * POL-18, POL-19, POL-21, POL-22, POL-23, POL-24, POL-26, POL-27, POL-28, POL-29, POL-31, POL-32, POL-33,
 * POL-35, POL-36, POL-37, POL-38, POL-40, POL-41, POL-43, POL-44, POL-45, POL-46, POL-48, POL-49, POL-50,
 * POL-51, POL-52, POL-53, POL-55, POL-56, POL-57, POL-59, POL-60, POL-62, POL-63, POL-64, POL-66, POL-67,
 * POL-68, POL-69, POL-71, POL-72, POL-73, POL-74, POL-75, POL-77, POL-78, POL-79, POL-80, POL-81, POL-83,
 * POL-84, POL-85, POL-86, POL-87, POL-89, POL-90, POL-91, POL-92, POL-93, POL-95, POL-96, POL-97, POL-98,
 * POL-99, POL-101, POL-102, POL-103, POL-104, POL-105, POL-107, POL-108, POL-109, POL-110, POL-111, POL-113,
 * POL-113, POL-114, POL-115, POL-116
*/
bool IssueManager::load_issues_file(ast::NodeCPtr root) {
   size_t expected_issue_groups = 0;
   bool ret = expect_dictionary_reserve_length(issue_types, 
      [this, &expected_issue_groups](std::string_view key, ast::NodeCPtr value) -> bool {
         return expect_list_and_length(
            [&expected_issue_groups](size_t size) -> size_t {
               expected_issue_groups += size;
               return 0;
            }, success_callback
         )(value) && add_issue_type(key);
      }
   )(root);
   lock_issue_types();

   size_t expected_issues = 0;
   issue_groups.reserve(issue_groups.size() + expected_issue_groups);
   ret &= expect_dictionary_reserve_length(issue_groups,
      [this, &expected_issues](std::string_view type_key, ast::NodeCPtr type_value) -> bool {
         IssueType const* issue_type = get_issue_type_by_identifier(type_key);
         return expect_dictionary(
            [this, issue_type, &expected_issues](std::string_view key, ast::NodeCPtr value) -> bool {
               return _load_issue_group(expected_issues, key, issue_type, value);
            }
         )(type_value);
      }
   )(root);
   lock_issue_groups();

   issues.reserve(issues.size() + expected_issues);
   ret &= expect_dictionary([this](std::string_view type_key, ast::NodeCPtr type_value) -> bool {
      return expect_dictionary([this](std::string_view group_key, ast::NodeCPtr group_value) -> bool {
         IssueGroup const* issue_group = get_issue_group_by_identifier(group_key);
         size_t ordinal = 0;
         return expect_dictionary([this, issue_group, &ordinal](std::string_view key, ast::NodeCPtr value) -> bool {
            if (key == "next_step_only") return true;
            bool ret = _load_issue(ordinal, key, issue_group, value);
            ordinal++;
            return ret;
         })(group_value);
      })(type_value);
   })(root);
   lock_issues();

   return ret;
}