//
// Created by lenovo on 2023/10/18.
//

#ifndef ALGORITHM_HIERARCHYWEIGHTING_H
#define ALGORITHM_HIERARCHYWEIGHTING_H

#include <QVector>
#include <QString>
#include <QDebug>
#include <QtMath>

typedef QVector<QVector<qreal>> HWMat;
typedef QVector<QVector<qreal>> SMat;

struct HWWeight
{
    QString node;
    QString name;
    QVector<qreal> weights;
    QVector<int> node_number;
};

struct HWNode
{
    QString node;  // 1.1 , 1.1.1
    QString name;
    HWMat mat;
    QVector<int> node_number;  // [1, 1] , [1, 1, 1]
};

/**
 * @brief 层次加权法
 */
class HierarchyWeighting
{
public:
    HierarchyWeighting(const SMat &smat);  //
    void evaluate();

    void push(const QString &node, const QString &name, const HWMat &value);
    bool isFull() const;
    const QVector<double> &getsampleweight() const { return smat_cv_; }
    int getBestIndex() const { return best_index_; }

private:
    void EvaluateNodeWeight(const HWNode &hwnode);
    void LastLevelWeight();
    void BestSample();

    const qreal RI[10] = { 0, 0, 0.58, 0.90, 1.12, 1.24, 1.32, 1.41, 1.45, 1.49 };
    const qreal thd    = 0.1;
    qreal m_CI;
    qreal m_CR;

    QVector<HWNode> mat_;             // 各节点
    QVector<HWWeight> weights_node_;  // 各节点计算出的权重
    SMat smat_;                       // 样本
    int sam_num_;                     // 样本数量
    int best_index_;                  // 最好的样本索引
    QVector<double> smat_cv_;
    QVector<double> weights_;  // 最后一层综合权重
};

#endif  // ALGORITHM_HIERARCHYWEIGHTING_H