/************************************************************************************//*!
\file           Transform.cxx
\author         Tng Kah Wei, kahwei.tng, 390009620
\par            email: kahwei.tng\@digipen.edu
\date           Sep 23, 2022
\brief          Contains the definition of the functions of the managed Transform class.

                Note: This file is written in C++17/CLI.
 
Copyright (C) 2022 DigiPen Institute of Technology.
Reproduction or disclosure of this file or its contents without the prior written consent 
of DigiPen Institute of Technology is prohibited.
*//*************************************************************************************/
// Precompiled Headers
#include "SHpch.h"
// Primary Header
#include "Transform.hxx"

namespace SHADE
{
    /*---------------------------------------------------------------------------------*/
    /* Properties                                                                      */
    /*---------------------------------------------------------------------------------*/    
    Vector3 Transform::LocalPosition::get()
    {
        return Convert::ToCLI(GetNativeComponent()->GetLocalPosition());
    }    
    void Transform::LocalPosition::set(Vector3 val)
    {
        GetNativeComponent()->SetLocalPosition(Convert::ToNative(val));
    }
    Vector3 Transform::LocalRotation::get()
    {
        return Convert::ToCLI(GetNativeComponent()->GetLocalRotation());
    }
    void Transform::LocalRotation::set(Vector3 val)
    {
        GetNativeComponent()->SetLocalPosition(Convert::ToNative(val));
    }
    Vector3 Transform::LocalScale::get()
    {
        return Convert::ToCLI(GetNativeComponent()->GetLocalScale());
        
    }
    void Transform::LocalScale::set(Vector3 val)
    {
        GetNativeComponent()->SetLocalScale(Convert::ToNative(val));
    }
    Vector3 Transform::GlobalPosition::get()
    {
        return Convert::ToCLI(GetNativeComponent()->GetWorldPosition());
    }    
    void Transform::GlobalPosition::set(Vector3 val)
    {
        GetNativeComponent()->SetWorldPosition(Convert::ToNative(val));
    }
    Vector3 Transform::GlobalRotation::get()
    {
        return Convert::ToCLI(GetNativeComponent()->GetWorldRotation());
    }
    void Transform::GlobalRotation::set(Vector3 val)
    {
        GetNativeComponent()->SetWorldRotation(Convert::ToNative(val));
    }
    Vector3 Transform::GlobalScale::get()
    {
        return Convert::ToCLI(GetNativeComponent()->GetWorldScale());
        
    }
    void Transform::GlobalScale::set(Vector3 val)
    {
        GetNativeComponent()->SetWorldScale(Convert::ToNative(val));
    }
    Transform^ Transform::Parent::get()
    {
        auto node = SHSceneManager::GetCurrentSceneGraph().GetNode(owner.GetEntity());
        if (!node)
            throw gcnew System::InvalidOperationException("[Transform] Unable to retrieve SceneGraphNode for an Entity.");

        const auto PARENT = node->GetParent();
        return PARENT ? gcnew Transform(PARENT->GetEntityID()) : nullptr;
    }

    /*---------------------------------------------------------------------------------*/
    /* Constructors                                                                    */
    /*---------------------------------------------------------------------------------*/
    Transform::Transform(Entity entity)
    : Component(entity)
    {}

    /*---------------------------------------------------------------------------------*/
    /* Usage Functions                                                                 */
    /*---------------------------------------------------------------------------------*/

    void Transform::SetParent(Transform^ parent, bool worldPositionStays)
    {
        auto& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
        auto node = sceneGraph.GetNode(owner.GetEntity());
        if (!node)
            throw gcnew System::InvalidOperationException("[Transform] Unable to retrieve SceneGraphNode for an Entity.");

        if (parent)
            node->SetParent(sceneGraph.GetNode(parent->owner.GetEntity()));
        else
            sceneGraph.SetParent(parent->owner.GetEntity(), nullptr);
    }
}