/*********************************
* Class: MAGSHIMIM C7            *
* Week 11                        *
**********************************/

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

#define MAX_LENGTH_OF_INT_NUM 10

typedef enum BOOL { FALSE, TRUE };

int lengthOfNum(int inputNum);
int reverseNum(int inputNum);
void printProcessedStringNum(int reversedNum, int inputNumLength);

int main(void) //Main function
{
    int inputNum = 0, inputNumLength = 0, reversedInputNum = 0;
    inputNum = getInputNum();
    reversedInputNum = reverseNum(inputNum);
    inputNumLength = lengthOfNum(inputNum);
    printProcessedStringNum(reversedInputNum, inputNumLength);
    return 0; //Returning 0
}

int getInputNum(void)
{
    int inputNum = 0;
    printf("Enter num: ");
    scanf_s("%d", &inputNum);
    return inputNum;
}

void printProcessedStringNum(int reversedNum, int inputNumLength)
{
    int i = 0, copyOfNum = 0;
    char stringProcessedNum[MAX_LENGTH_OF_INT_NUM + 1] = { 0 };
    if (reversedNum < 0)
    {
        stringProcessedNum[0] = '-';
        i = 1;
    }
    else if (reversedNum > 0)
    {
        stringProcessedNum[0] = '+';
        i = 1;
    }

    stringProcessedNum[inputNumLength + i] = 0;

    for (i; i < inputNumLength; i++)
    {
        while (copyOfNum != 0)
        {
            stringProcessedNum[i] = (char)(copyOfNum % 10 + 48);
            copyOfNum /= 10;
        }
    }

    printf("string: %s length: %d\n", stringProcessedNum, inputNumLength);
}

int lengthOfNum(int inputNum)
{
    int copyOfNum = 0, inputNumLength = 0;
    copyOfNum = inputNum;
    if (inputNum != 0)
    {
        while (copyOfNum != 0)
        {
            inputNumLength++;
            copyOfNum /= 10;
        }
    }
    else
    {
        inputNumLength = 1;
    }
    return inputNumLength;
}

int reverseNum(int inputNum)
{
    int copyOfNum = 0, reversedNum = 0, remainderOfNum = 0;
    copyOfNum = inputNum;
    while (copyOfNum != 0)
    {
        remainderOfNum = copyOfNum % 10;
        reversedNum = reversedNum * 10 + remainderOfNum;
        copyOfNum /= 10;
    }
    return reversedNum;
}