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#include <iostream>
#include <string>
#include "functions.hpp"
#include <map>

int main(int argc, char** argv) {
  if (argc != 2) {
    std::cerr << "Usage: ./bin/exec word" << std::endl;
    return 1;
  }

  std::string word = argv[1];
  std::string phonetics;
  std::map<std::string, std::string> wordmap = {{"a", "ah"}, {"e", "eh"}, {"i", "ee"}, {"o", "oh"}, {"u", "oo"}, {"ai", "eye"}, {"ae", "eye"}, {"ao", "ow"}, {"au", "ow"}, {"ei", "ay"}, {"eu", "eh-oo"}, {"iu", "ew"}, {"oi", "oy"}, {"ou", "ow"}, {"ui", "ooey"}, {"iw", "ee-v"}, {"ew", "eh-v"}};

  while (word.length() > 0) {
    char letter = (char) std::tolower(word[0]);
    char next_letter = word.length() >= 2 ? (char) std::tolower(word[1]): '\0';
    if (!IsValidLetter(letter)) {
      phonetics = word + " contains a character not a part of the Hawaiian language.";
      break;
    }

    if (!IsVowel(letter)) {
      phonetics += letter;
      word = word.substr(1);
    } else {
      std::string letter_as_string{letter};
      if (word.length() > 1 && (IsVowel(next_letter) || next_letter == 'w') && wordmap.count(letter_as_string + next_letter) > 0) {
          phonetics += wordmap[letter_as_string + next_letter];
          word = word.substr(2);
      } else {
          phonetics += wordmap[letter_as_string];
          word = word.substr(1);
      }
      if (word.length() != 0 && word[0] != ' ' && word[0] != '\'' && phonetics[phonetics.length()-1] != 'v') phonetics += '-'; 
    }
  }

  std::cout << phonetics << std::endl;
}