SHADE_Y3/SHADE_Engine/src/Serialization/SHSerialization.h

#pragma once

#include "SH_API.h"
#include <string>


#include "ECS_Base/SHECSMacros.h"
#include <Assets/SHAssetMacros.h>
#include <unordered_map>

namespace YAML
{
  class Emitter;
  class Node;
}

namespace SHADE
{
  class SHSceneNode;

  constexpr const char* ComponentsNode = "Components";
  constexpr const char* EntityNameNode = "Name";
  constexpr const char* EIDNode = "EID";
  constexpr const char* IsActiveNode = "IsActive";
  constexpr const char* NumberOfChildrenNode = "NumberOfChildren";
  constexpr const char* ScriptsNode = "Scripts";
  constexpr const char* PrefabID = "PrefabID";

  class SH_API SHSerialization
  {
  public:
    //Original EID : New EID
    using CreatedEntitiesList = std::unordered_map<EntityID, EntityID>;

    static bool SerializeSceneToFile(AssetID const& sceneAssetID);
    static std::string SerializeSceneToString();
    static void SerializeSceneToEmitter(YAML::Emitter& out);

    static std::string DeserializeSceneFromFile(AssetID const& sceneAssetID) noexcept;
    
    
    static void EmitEntity(SHSceneNode* entityNode, YAML::Emitter& out, bool isPrefab = false, EntityID* entityIndex = nullptr);

    static std::string SerializeEntitiesToString(std::vector<EntityID> const& entities, bool isPrefab = false) noexcept;
    //static void SerializeEntityToFile(std::filesystem::path const& path);
    static YAML::Node SerializeEntityToNode(SHSceneNode* sceneNode, bool isPrefab = false, EntityID* entityIndex = nullptr);

    static CreatedEntitiesList DeserializeEntitiesFromString(std::string const& data, EntityID const& parentEID = MAX_EID) noexcept;

    static std::vector<ComponentTypeID> GetComponentIDList(YAML::Node const& componentsNode);
    
    static void LoadAssetsFromAssetQueue(std::unordered_map<AssetID, AssetType>& assetQueue);

    static std::string ResolveSerializedEntityIndices(std::string serializedEntityData, CreatedEntitiesList const& createdEntities) noexcept;
  private:
    //static void ResolveSerializedEntityID(YAML::Emitter& out, YAML::iterator& it, YAML::Node const& entityNode, CreatedEntitiesList const& createdEntities);
    static void InitializeEntity(YAML::Node const& entityNode, EntityID const& eid);

    static constexpr std::string_view NewSceneName = "New Scene";
  };
}