// header files
#include <time.h>     // for seeding srand
#include <stdlib.h>   // for srand, rand
#include "Console_IO_Utility.h"
#include "File_Output_Utility.h"
#include "File_Input_Utility.h"

// global constants
const int MIN_RAND_LIMIT = 0;
const int MAX_RAND_LIMIT = 100;
const int MIN_ARRAY_SIZE = 1;
const int MAX_ARRAY_SIZE = 10;

// function prototypes
void displayResults(int arraySize, int *arrayVal);
int getRandBetween(int lowLimitValue, int highLimitValue);
void printProgramTitle();

int main( int argv, char *argc[] )
   {
    // initialize variables
    int arraySizeValue, arrayVal[MAX_ARRAY_SIZE];
    int iteration = 0;
    // Display title
      //function: printProgramTitle
    printProgramTitle();
    // get user input
      // functions: scanf
    // ask for array size
    arraySizeValue = promptForInteger("Enter array size to fill in with random values: \n");


    // do calculations
    srand(time(NULL));
    // need to check if the array size is less than 0, default to min size.
    if (arraySizeValue <= 0)
    {
      int arrayVal[MIN_RAND_LIMIT];
      arraySizeValue = 1;
    }
    else if (arraySizeValue > 10)
    {
      int arrayVal[arraySizeValue];
      arraySizeValue = 10;
    }

    //fill array with random values

    for (; iteration <= arraySizeValue; iteration++ )
    {
      arrayVal[iteration] = getRandBetween(MIN_RAND_LIMIT, MAX_RAND_LIMIT);
    }

    //display displayResults
      //function: displayResults
      displayResults(arraySizeValue, arrayVal);

    // return results/end program
    printf("\n\nEnd Program\n");
    return 0;
   }

/*
Name: displayResults
Process: displays an array of randomly generated values
         uses pipes to distinguish each array cell
Function Input/Parameters: array size (int)
                           array of values (int *)
Function Output/Parameters: none
Function Output/Returned: none
Device Input/Keyboard: none
Device Output/Monitor: displays items as specified
Dependencies: printf
*/
void displayResults(int arraySize, int *arrayVal)
{
  // initialize variables
  //int iteration = 0;
  //display array info
    //function: printString
    printString("Randomly generated array: \n");


  printf("|");
  // do calculations
  for (int iteration = 0 ; iteration < arraySize; iteration++ )
  {
   printf(" %d |", arrayVal[iteration]);
  }
}


/*
Name: getRandBetween
Process: finds random value between two given parameters, inclusive,
         and returns
Function Input/Parameters: low limit value (int), high limit value (int)
Function Output/Parameters: none
Function Output/Returned: random value as specified (int)
Device Input/Keyboard: none
Device Output/Monitor: none
Dependencies: rand
*/
int getRandBetween(int lowLimitValue, int highLimitValue)
{
  // initialize variables
  int range;
  lowLimitValue = MIN_RAND_LIMIT;
  highLimitValue = MAX_RAND_LIMIT;

  //Calculate range
  range = highLimitValue - lowLimitValue + 1;

  // do calculations
  return rand() % range + lowLimitValue;


  // display results

  // return value
}

/*
Name: printProgramTitle
Process: displays program title
Function Input/Parameters: none
Function Output/Parameters: none
Function Output/Returned: none
Device Input/Keyboard: none
Device Output/Monitor: title displayed as specified
Dependencies: Console IO Utilities tools
*/
void printProgramTitle()
{
  // initialize variables
    // none

  // show title
    // functions: printString
  printString("Generate Random Array\n");
  // print divider line
  printCharacters(23, '=');
  // print endlines
  printEndlines(2);

  // get user input
    // none
  // do calculations
    // none
  // display results
    // none
}