#include <iostream>

#include "Trinary.h"

using namespace std;


char IntToTrinaryDigit(int digit){
    char value {' '};
    if (digit >= 0 and digit < static_cast<int>(TRINARY_DIGITS.size())){
        value = TRINARY_DIGITS[digit];
    }

    return value;
}

int  TrinaryToIntDigit(char digit){
    int value{-1};
    size_t pos;

    pos = TRINARY_DIGITS.find(digit);
    if (pos != string::npos) {
        value = static_cast<int>(pos);
        //value = (int) pos;    // c style cast
       // value = int (pos);    // early c++ style cast
    }


    return value;
}

string IntToTrinary(int number){
   string value;
   int digit;
   char triDigit;
   bool negative{false};

   if (number < 0) {
      negative = true;
      number = -number;
   }

   if (number == 0) {
     value = "0";
   }

   while (number > 0) {
       digit = number % 3;
       number = number /3;
       triDigit = IntToTrinaryDigit(digit);
       value = triDigit + value;
   }

   if (negative) {
      value = '-' + value;
   }

   return value;
}