#include "FITKCFDPostProbe.h"
#include "FITKCFDPost3DManager.h"
#include "FITKCFDPostData.h"

#include "FITK_Kernel/FITKAppFramework/FITKAppFramework.h"
#include "FITK_Kernel/FITKAppFramework/FITKGlobalData.h"

#include <vtkProbeFilter.h>
#include <vtkDataSetMapper.h>
#include <vtkUnstructuredGrid.h>
#include <vtkPointData.h>
#include <vtkPolyData.h>
#include <vtkQuad.h>
#include <vtkIdList.h>
#include <vtkCell.h>

#include <QDebug>

namespace Interface
{
    Interface::FITKCFDPostProbe::FITKCFDPostProbe(int parentID)
    {
        _CFDPostParentID = parentID;
        Interface::FITKCFDPost3DManager* dataManger = FITKAPP->getGlobalData()->getPostData<Interface::FITKCFDPostData>()->getPostDataManager();
        if (dataManger == nullptr)return;
        Interface::FITKAbstractCFDPostData* parentData = dataManger->getDataByID(_CFDPostParentID);
        if (parentData == nullptr)return;

        _polyData = vtkPolyData::New();
        vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();
        _polyData->SetPoints(points);

        vtkSmartPointer<vtkCellArray> cellArray = vtkSmartPointer<vtkCellArray>::New();
        _polyData->SetPolys(cellArray);

        _probeFilter = vtkProbeFilter::New();
        _probeFilter->SetInputData(0, _polyData);
        _probeFilter->SetInputData(1, parentData->getOutput());

        vtkDataSetMapper* mapper = vtkDataSetMapper::New();
        mapper->SetInputConnection(_probeFilter->GetOutputPort());
        _mappers.append(mapper);
    }

    FITKCFDPostProbe::~FITKCFDPostProbe()
    {
        if (_polyData) {
            _polyData->Delete();
            _polyData = nullptr;
        }

        if (_probeFilter) {
            _probeFilter->Delete();
            _probeFilter = nullptr;
        }
    }
    FITKPostDataType FITKCFDPostProbe::getPostDataType()
    {
        return FITKPostDataType::Post_Probe;
    }

    vtkDataSet* FITKCFDPostProbe::getOutput()
    {
        if (_probeFilter == nullptr)return nullptr;
        return _probeFilter->GetOutput();
    }

    vtkAlgorithmOutput* FITKCFDPostProbe::getOutputPort()
    {
        if (_probeFilter == nullptr)return nullptr;
        return _probeFilter->GetOutputPort();
    }

    int FITKCFDPostProbe::insertPoint(double* point)
    {
        if (_polyData == nullptr)return -1;
        vtkPoints* points = _polyData->GetPoints();
        if (points == nullptr)return -1;
        int pointID = points->InsertNextPoint(point);
        return pointID;
    }

    int FITKCFDPostProbe::getPointCount()
    {
        if (_polyData == nullptr)return 0;
        vtkPoints* vtkpoints = _polyData->GetPoints();
        if (vtkpoints == nullptr)return 0;
        int pointNum = vtkpoints->GetNumberOfPoints();
        return pointNum;
    }

    void FITKCFDPostProbe::getPointAtInter(double* point, int index)
    {
        if (index < 0 || index >= getPointCount())return;
        if (_polyData == nullptr)return;
        vtkPoints* vtkpoints = _polyData->GetPoints();
        if (vtkpoints == nullptr)return;
        double* p = vtkpoints->GetPoint(index);
        point[0] = p[0];
        point[1] = p[1];
        point[2] = p[2];
    }

    vtkPolyData* FITKCFDPostProbe::getPolyData()
    {
        return _polyData;
    }

    void FITKCFDPostProbe::reset()
    {
        if (_polyData == nullptr)return;
        if (_polyData->GetPoints()) {
            _polyData->GetPoints()->Reset();
        }
        if (_polyData->GetPolys()) {
            _polyData->GetPolys()->Reset();
        }
    }
}