#include "requirementItem.h"

#include "RequirementManager.h"

using namespace std;
using namespace core::project;
//--------------------------------------------------------------
/* Constructor */
RequirementItem::RequirementItem(RequirementManager &manager, const std::shared_ptr<RequirementItem> &parentRequirement)
  : m_requirementManager(manager)
{
  // Initialization
  metadata.uuid = m_requirementManager.generateUniqueUuid();     // Generate a unique UUID for this requirement item
  m_parent      = parentRequirement;                             // Set the m_parent requirement item

  // Register this requirement item in the manager's internal map
  m_requirementManager.registerRequirement(shared_from_this());
}
//--------------------------------------------------------------
/* Append a child requirement item to this requirement item */
void RequirementItem::appendChild(const api::requirement::Requirement &child)
{
  // Create a new requirement item for the child requirement and set this requirement item as its m_parent
  const auto childItem      = make_shared<RequirementItem>(m_requirementManager);
  childItem->metadata       = child.metadata;
  childItem->details        = child.details;
  childItem->classification = child.classification;

  // Prepare requirement links
  childItem->metadata.uuid = m_requirementManager.generateUniqueUuid();     // Generate a unique UUID for this requirement item
  childItem->m_parent      = shared_from_this();

  // Register this requirement item in the manager's internal map
  m_requirementManager.registerRequirement(childItem);
}
//--------------------------------------------------------------
/* Remove a child requirement item from this requirement item by its UUID */
void RequirementItem::removeChild(const std::string &childUuid)
{
  // Unregister the child requirement item from the manager's internal map
  m_requirementManager.unregisterRequirement(childUuid);

  // Find the child requirement item with the given UUID
  const auto it = ranges::find_if(m_children,
                                  [&childUuid](const RequirementItemPtr &child)
                                  { return child->metadata.uuid == childUuid; });
  if (it != m_children.end())
    m_children.erase(it);     // Remove the child requirement item from the vector of children
}
//--------------------------------------------------------------
/* Get the vector of child requirement items of this requirement item */
std::vector<RequirementItem::RequirementItemPtr> RequirementItem::getChildren() const
{
  return m_children;
}
//--------------------------------------------------------------