//
// Created by Austin on 2023/10/11.
//

#ifndef ALGORITHM__MATTERELEMENTANALYSIS_H_
#define ALGORITHM__MATTERELEMENTANALYSIS_H_

#include <QVector>

struct MEARange
{
    int index;  // 指标号
    double min_value;
    double max_value;
};

typedef QVector<QVector<double>> MEAMat;
typedef QVector<QVector<MEARange>> MEARangeMat;

/**
 * @brief 物元法
 */
class MatterElementAnalysis
{
public:
    /**
     *
     * @param mat : 输入矩阵，一行代表一个样本, 每列对应一个指标
     * @param ranges : 各项指标的评价等级
     */
    MatterElementAnalysis(const MEAMat &mat, const MEARangeMat &ranges);

    void evaluate(const QVector<double> &weights);

    const MEAMat &getRangeWeights() const;

    QVector<int> getBestIndex() const;

    int sample_num_;  // 样本数
    int index_num_;   // 指标数

private:
    void associatedValue(int sam, int index, double value);

    void evaluationlevel(const QVector<double> &weights);

    MEAMat mat_;
    MEARangeMat ranges_;
    QVector<MEAMat> range_cvt_;
    MEAMat range_weights_;
};

#endif  // ALGORITHM__MATTERELEMENTANALYSIS_H_