/**

* @file

* VuoCommandChangeNode interface.

*

* @copyright Copyright © 2012–2026 Kosada Incorporated.

* This code may be modified and distributed under the terms of the GNU Lesser General Public License (LGPL) version 2 or later.

* For more information, see https://vuo.org/license.

*/

#pragma once

#include "VuoCommandCommon.hh"

class VuoCable;

class VuoCompilerCompositionDiff;

class VuoEditorComposition;

class VuoEditorWindow;

class VuoPort;

class VuoRendererNode;

/**

* An undoable action for replacing a set of nodes with a provided set of replacements.

*

* Use this for replacing a node with a dissimilar node (the right-click "Change To" menu item).

* This command uses heuristics to try to map ports on the old node onto similar ports on the new node.

*

* @see VuoCommandReplaceNode for replacing a node with a very similar node

*/

class VuoCommandChangeNode : public VuoCommandCommon

{

public:

VuoCommandChangeNode(VuoRendererNode *oldNode, VuoRendererNode *newNode, VuoEditorWindow *window);

int id() const;

void undo();

void redo();

private:

static const int commandID;

VuoEditorWindow *window;

VuoEditorComposition *composition;

string revertedSnapshot;

string updatedSnapshot;

VuoCompilerCompositionDiff *diffInfo;

bool operationInvolvesGenericPort;

VuoRendererNode *oldNode;

VuoRendererNode *newNode;

map<VuoPort *, VuoPort *> updatedPortForOriginalPort;

set<VuoCable *> incomingCables;

set<VuoCable *> outgoingCables;

vector<VuoRendererNode *> collapsedTypecasts;

map<VuoRendererNode *, set<VuoCable *> > incomingCablesForTypecast;

map<VuoRendererNode *, VuoPort *> hostPortForTypecast;

vector<pair<VuoPort *, VuoPublishedPort *> > revertedPublishedInternalExternalPortCombinations;

vector<pair<VuoPort *, VuoPublishedPort *> > updatedPublishedInternalExternalPortCombinations;

map<VuoRendererNode *, vector<pair<VuoPort *, VuoPublishedPort *> > > publishedInternalExternalPortCombinationsForTypecast;

map<pair<VuoPort *, VuoPublishedPort *>, bool> publishedConnectionCarriedData;

map<VuoCable *, VuoPort *> originalFromPortForCable;

map<VuoCable *, VuoPort *> originalToPortForCable;

map<VuoCable *, bool> cableCarriedData;

map<VuoPort *, string> constantValueForOriginalPort;

void createAllMappings();

void createAllPortMappings();

void createSwappedNodePortMappings();

void removeStrandedAttachments();

void swapNodes();

void createNecessaryAttachments();

};