#include <fbxsdk.h>
#include <stdio.h>
using namespace std;
extern "C" {
    // 定义给Rust调用的接口函数
    void fbx_parse(const char* fbx_path) {
        std::printf("%s\n", fbx_path);
        FbxManager* lSdkManager = FbxManager::Create();
        if (lSdkManager){
            std::printf("FbxManager created successfully.\n");
        } else{
            std::printf("FbxManager creation failed.\n");
        }
        FbxScene* lScene = FbxScene::Create(lSdkManager, "myScene");
        if (lScene){
            std::printf("FbxScene created successfully.\n");
        } else{
            std::printf("FbxScene creation failed.\n");
        }
        FbxImporter* lImporter = FbxImporter::Create(lSdkManager, "");
        bool s = lImporter->Initialize(fbx_path, -1, lSdkManager->GetIOSettings());
        if (s){
            std::printf("FbxImporter initialized successfully.\n");
        } else{
            std::printf("FbxImporter initialization failed.\n");
        }
        lImporter->Import(lScene);
        lImporter->Destroy();

        FbxNode* lRootNode = lScene->GetRootNode();
        if (lRootNode) {
            std::printf("Root node found. Node name: %s\n", lRootNode->GetName());
            int childCount = lRootNode->GetChildCount();
            std::printf("Number of child nodes: %d\n", childCount);
            for (int i = 0; i < childCount; ++i) {
                FbxNode* childNode = lRootNode->GetChild(i);
                std::printf("Child node %d name: %s\n", i, childNode->GetName());
            }
        } else {
            std::printf("No root node found in the scene.\n");
        }


        if (lRootNode && lRootNode->GetNodeAttribute() && 
            lRootNode->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eMesh) {
            FbxMesh* lMesh = static_cast<FbxMesh*>(lRootNode->GetNodeAttribute());
            int materialCount = lMesh->GetElementMaterialCount();
            std::printf("Number of materials in the mesh: %d\n", materialCount);
            for (int i = 0; i < materialCount; ++i) {
                FbxSurfaceMaterial* lMaterial = nullptr;
                std::printf("Material name: %s\n", lMaterial->GetName());
                // lMesh->GetElementMaterial(0)->eMaterial(i, lMaterial);
                // if (lMaterial) {
                //     std::printf("Material %d name: %s\n", i, lMaterial->GetName());
                // }
            }
            int controlPointCount = lMesh->GetControlPointsCount();
            std::printf("Number of vertices in the mesh: %d\n", controlPointCount);
        }

    }
}