#include <iostream>
#include <iomanip>
#include <string>
#include <time.h>

using namespace std;

enum class ResultT:unsigned char {YELLOW_SIGN, TENTACLE,
                                 ELDER_SIGN, CTHULHU, EYE, UNKNOWN};

const ResultT FIRST_RESULT = ResultT::YELLOW_SIGN;

const size_t RESULT_RANGE = static_cast<int>(ResultT::UNKNOWN) 
                             - static_cast<int>(ResultT::YELLOW_SIGN);

string ResultTToString(ResultT value);
ResultT NextResultT(ResultT value);

string MakeUpper(string value);
ResultT StringToResultT(string value);
ResultT RollDie();

int main() {

    srand(static_cast<unsigned int>(time(nullptr)));

    ResultT i;
    int j;

    for(i = FIRST_RESULT; i < ResultT::UNKNOWN; i =NextResultT(i)) {
       cout << static_cast<int>(i) << setw(20) << ResultTToString(i) << endl;
    }

    cout << endl;
    cout << endl;

    cout << "Some random results" << RESULT_RANGE << endl;
    for(j = 0; j < 130; j++) {
       i =   RollDie(); 
       cout << ResultTToString(i) << endl;
    }
     
    return 0;
}

ResultT NextResultT(ResultT value) {
    ResultT result = ResultT::UNKNOWN;
    if (value != ResultT::UNKNOWN) {
        result = static_cast<ResultT>(static_cast<int>(value) + 1) ;
    }
    return result;
}

string ResultTToString(ResultT value) {
     string result; 

     switch (value) {
         case ResultT::YELLOW_SIGN:  
               result = "Yellow Sign";
               break;
         case ResultT::TENTACLE: 
               result = "Tentacle";
               break;
         case ResultT::ELDER_SIGN: 
               result = "Elder Sign";
               break;
         case ResultT::CTHULHU: 
               result = "Cthulhu";
               break;
         case ResultT::EYE: 
               result = "EYE";
               break;
         case ResultT::UNKNOWN:
               [[fallthrough]];
         default:
               result = "Unknown Result";
     }

     return result;
}

string MakeUpper(string value) {
   size_t i;

   for(i = 0; i < value.size(); i++) {
       value[i] = static_cast<char>(toupper(value[i]));
   }

   return value;
}

ResultT StringToResultT(string value){
     value = MakeUpper(value);
     ResultT  result = ResultT::UNKNOWN;

     if (value == "YELLOW SIGN") {
         result = ResultT::YELLOW_SIGN;
     } else if (value == "TENTACLE") {
         result = ResultT::TENTACLE;
     } else if (value == "ELDER SIGN") {
         result = ResultT::ELDER_SIGN;
     } else if (value == "CTHULHU") {
         result = ResultT::CTHULHU;
     } else if (value == "EYE") {
         result = ResultT::EYE;
     }

     return result;
}

ResultT RollDie(){
    ResultT result = ResultT::UNKNOWN;

    int roll;
    roll = rand() % 12;
    if (roll < 5) {
           result = ResultT::YELLOW_SIGN;
    } else if (roll < 9) {
           result = ResultT::TENTACLE;
    } else if (roll == 9) {
           result = ResultT::ELDER_SIGN;
    } else if (roll == 10) {
           result = ResultT::CTHULHU;
    } else if (roll == 11) {
           result = ResultT::EYE;
    } else {
           result = ResultT::UNKNOWN;
    }

    return result;
}