#include <iostream>
#include <string>

using namespace std;

enum class SizeT:char {TINY, SMALL, MEDIUM, LARGE, HUGE, GARGANTUAN, NONE};

const size_t SIZES {static_cast<size_t>(SizeT::NONE)};
string SizeTToString(SizeT size);
int SizeDifference(SizeT first, SizeT second);

SizeT RandomSize();
string FindAction(int diff);

int main() {
   SizeT one{SizeT::TINY}, 
         two = SizeT::TINY; 
   int i;
   int sizeDifference;

   for(i = 0; i < 10; i++) {
       one = RandomSize();
       two = RandomSize();

       sizeDifference = SizeDifference(one,two);

       cout << "A " << SizeTToString(one) << " critter meets a " 
            << SizeTToString(two) << " critter." << endl;
       cout << "\tThe difference in sizes is " <<  sizeDifference << "."  << endl;
       cout << "\tSo the critters " << FindAction(sizeDifference) << "." << endl;
       cout << endl;
   }

   return 0;
}

string FindAction(int diff) {
    string action;
    if (diff == 0) {
       action = "make friends";
    } else if (diff == 1) {
       action = "look at each other in amazement";
    } else {
       action = "fail to notice each other";
    }

    return action;
}

int SizeDifference(SizeT first, SizeT second){
   int firstSize, secondSize;

   firstSize = static_cast<int>(first);
   secondSize = static_cast<int>(second);
   return abs(firstSize-secondSize); 
}

SizeT RandomSize() {
    int i = rand() % SIZES;

    return static_cast<SizeT>(i);
}

string SizeTToString(SizeT size){
    string name{"unknown"};
    if (size == SizeT::TINY) {
        name = "tiny";
    } else if (size == SizeT::SMALL) {
        name = "small";
    } else if (size == SizeT::MEDIUM) {
        name = "medium";
    } else if (size == SizeT::LARGE) {
        name = "large";
    } else if (size == SizeT::HUGE) {
        name = "huge";
    } else if (size == SizeT::GARGANTUAN) {
        name = "gargantuan";
    }

    return name;
}