#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>

#include "MyUtil.h"
#include "ActionT.h"
#include "WordT.h"

using namespace std;

const size_t MAX_WORDS{5000};

size_t Find(const WordT ary[], size_t count, string key);

void Swap(WordT & a, WordT & b);
void Sort(WordT ary[], size_t count);

string GetFileName();
string FixWord(string word);
void PrintArray(const WordT ary[], size_t count);
void ReadWords( WordT wordAry[], size_t & size);


ActionT GetUserAction();
void PerformUserAction(ActionT action, bool & done);

int main() {
    bool done{false};
    ActionT action{ActionT::QUIT};
    WordT words[MAX_WORDS];
    size_t wordCount{0};


    ReadWords(words, wordCount);

    Sort(words, wordCount);
    PrintArray(words, wordCount);
    while (not done) {
        action = GetUserAction();
        PerformUserAction(action, done);
    }

    return 0;
}

void Swap(WordT & a, WordT & b) {
    WordT tmp;
    tmp = a;
    a = b;
    b = tmp;
    return;
}

void Sort(WordT ary[], size_t count){
     size_t current, smallest, search;

     for (current = 0; current < count-1; current ++) {
         smallest = current;
         for(search= current +1 ; search < count; search ++) {
             if (ary[smallest].Word() > ary[search].Word()) {
                 smallest = search;
             }
         }
         if (smallest != current){
             Swap(ary[smallest],  ary[current]);
         }
     }
}

size_t Find(const WordT ary[], size_t count, string key){
    size_t current;
//    size_t rv{MAX_WORDS};


//    for(current = 0; current < count; current++) {
//       if (ary[current].Word() == key) {
//           rv = current;
//       }
//    }
//
//   && &  and 
//
    current = 0;
    while (current < count and ary[current].Word() != key) {
       current++;
    }

    return current;
}

void PrintArray(const WordT ary[], size_t count){
    size_t i;

    for(i =0; i < count; i++) {
        cout << setw(20) << ary[i].GetWord() << setw(4)
             << ary[i].GetCount() << endl;
    }

    return;
}

string GetFileName() {
     string name;

     cout << "Enter the name of the input file: ";
     cin >> name;
     cout << endl;

     return name;
}

string FixWord(string word) {
    string fixedWord;

    fixedWord = Strip(word);
    fixedWord = MakeLower(fixedWord);
    return fixedWord;

}

void AddWord(WordT wordAry[], size_t & size, string newWord) {
     size_t pos;

     newWord = FixWord(newWord);

     if (newWord != "") {

         pos = Find(wordAry, size, newWord);

         if (pos < size ) {
             wordAry[pos].IncrementCount();
         } else if (size < MAX_WORDS) {
             wordAry[size].SetWord(newWord);
             size++;
         } else {
             cout << "No space in the array for " << newWord << endl;
         }
     }

     return;
}

void ReadWords( WordT wordAry[], size_t & size){
    string fileName;
    ifstream inFile;

    string word;

    fileName = GetFileName();
    inFile.open(fileName);

    if (inFile) {
         size = 0;

         inFile >> word;
         while (inFile) {
             
             AddWord(wordAry, size, word);
             inFile >> word;
         }
         inFile.close();
    }

    return;
}

ActionT GetUserAction(){
    cout << "Getting the user action" << endl;
    return ActionT::QUIT;
}

void PerformUserAction(ActionT action, bool & done) {
    cout << "Performing the user action" << endl;
     done =  action == ActionT::QUIT;
     return;
}