#include "power.h"
#include "getArray.h"
#include "fileGestion.h"
#include "initialParameters.h"
#include "queue.h"

/**
 * @brief realize the powerThreadFunction calcul
 * 
 * @param p array with all the values that will be used for the calcul
 * @param powerArray array where results are stocked
 */
void powerCalculation(long **p, double powerArray[]){
    for(int i = 0; i < nCol; i++){
        int j = 0;
        powerArray[i] = 0;

        while(j < nRowRawData){
            powerArray[i] += pow(p[j][i+1],2);
            j++;
        }
        powerArray[i] /= nRowRawData;
    }

}

/**
 * @brief function that realize all the action to write one lign in the file powerData.csv
 * 
 * @param rawDataFileName name of the raw data file to use to realize the calcul
 * @param N number of rows in the file
 * @param M number of columns in the file
 */
void powerFunction(char* rawDataFileName, double **pw){
    long **p = getRawDataArray(rawDataFileName);
    double pww[nCol-1];
    if(p !=NULL){
        if(pw == NULL){
            powerCalculation(p,pww);
            appendDataInFile("powerData.csv",pww,nCol-1);
        }else{
            powerCalculation(p,pw[1]);
            appendDataInFile("powerData.csv",pw[1],nCol-1);
        }
        freeArray(p,nRowRawData);
    }
}