#include <stdio.h>
#include <stdlib.h>

///Useful macros

#define CON "CON" ///write to console
#define ASC "ASC" ///ascending order
#define DESC "DESC" ///descending order

void allocate2DArray(float ***pArray, int rows, int cols);

void readAllData(const char* fileName, float ***pArray, int *rows, int *cols);
void readArrayFromConsole(float **pArray, int rows, int cols);
void readArrayFromFile(float **pArray, int rows, int cols);
void fillArrayWithRandomValues(float **pArray, int rows, int cols, float start, float end);

void fillArrayWithSpecificValue(float **pArray, int rows, int cols, float value);
void printArray(const char* destination, float **pArray, int rows, int cols);

void printArrayToFile(const char* destination, float **pArray, int rows, int cols);
void printArrayToConsole(float **pArray, int rows, int cols);
float sumOfAllElements(float **pArray, int rows, int cols);

float sumOfGivenRow(float *pArray, int size);
float sumOfGivenColumn(float **pArray, int rows, int cols, int givenColumn);
float avgOfElements(float **pArray, int rows, int cols);
float minimumOfElements(float **pArray, int rows, int cols);
float maximumOfElements(float **pArray, int rows, int cols);
void sortRow(const char* order, float *pRow, int size);

int main() {

    ///Test 1.
    /*float **pArray;
    int rows, cols;
    ///read the number of rows and cols from file
    ///allocate memory for the array in main
    ///read all elements of the array
    printArrayToConsole(pArray, rows, cols);*/

    ///Test 2.
    /*float **pArray;
    int rows = 3, cols = 6;
    allocate2DArray(&pArray, rows, cols);
    printArrayToConsole(pArray, rows, cols);*/

    ///Test 3.
    /*float **pArray;
    int rows, cols;
    readAllData("input.txt", &pArray, &rows, &cols);
    printArray(CON, pArray, rows, cols);*/

    ///Test 4.
    /*float **pArray;
    int rows, cols;
    allocate2DArray(&pArray, rows, cols);
    fillArrayWithSpecificValue(pArray, rows, cols, 3.14f);
    printArray("output.txt", pArray, rows, cols);*/

    ///Test 5.
    /*float **pArray;
    int rows, cols;
    scanf("%i%i", &rows, &cols);
    allocate2DArray(&pArray, rows, cols);
    fillArrayWithRandomValues(pArray, rows, cols, 1.5f, 32.4f);
    printArray(CON, pArray, rows, cols);

    printf("SUM of elements: %f\n", sumOfAllElements(pArray, rows, cols));
    printf("AVG of elements: %f\n", avgOfElements(pArray, rows, cols));
    printf("MIN of elements: %f\n", minimumOfElements(pArray, rows, cols));
    printf("MAX of elements: %f\n", maximumOfElements(pArray, rows, cols));

    for(int i = 0; i < rows; ++i) {
        printf("SUM of %i. row is: %f\n", i, sumOfGivenRow(pArray[i], cols));
    }

    printf("Choose a column:");
    int givenColumn;
    scanf("%i", &givenColumn);
    printf("Sum of column %i is: %f\n", givenColumn, sumOfGivenColumn(pArray, rows, cols, givenColumn));

    sortRow(ASC, pArray[0], cols); //What will happen here?
    printArray(CON, pArray, rows, cols);

    ///TODO Sort each even row in ASC order and each odd row in DESC order using qsort*/
    return 0;
}