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

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

using namespace std;

const size_t MAX_WORDS{5000};

string GetFileName();
void FixWord(string & word);
void InsertWord(string word, WordT words[], size_t & wordCount);
size_t FindWord(WordT words[], size_t wordCount, string key) {
void ReadWords( WordT words[], size_t & wordCount);


void PrintWords(const WordT words[], size_t wordCount);

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

    return 0;
}

void PrintWords(const WordT words[], size_t wordCount){
    size_t i;

    for(i = 0; i < wordCount; i++) {
        cout << setw(20) << words[i].GetWord()
             << setw(10) << words[i].GetCount() << endl;
    }
    cout << endl;
}

string GetFileName() {
    string name;
    cout << "Enter the name of a file to process: " ;
    cin >> name;
    cout << endl;

    return name;
}

void FixWord(string & word) {
     word = Strip(word);
     word = MakeLower(word);

     return; 
}

size_t FindWord(WordT words[], size_t wordCount, string key) {
    size_t i;

    i = 0;
    while (i < wordCount and words[i].GetWord() != key) {
       i++;
    }

    return i;
}

void InsertWord(string word, WordT words[], size_t & wordCount) {
    size_t pos;

    FixWord(word);

    if (word != "") {
       pos = FindWord(words, wordCount, word);

       if (pos < wordCount) {
           words[pos].IncrementCount();

       } else if (wordCount < MAX_WORDS) {
            words[wordCount].SetWord(word); 
            wordCount++;

       } else {
            cout << "The array is full, can not insert another word" << endl;
       }
    }
    return;
}

void ReadWords( WordT words[], size_t & wordCount){
    string  fileName;
    ifstream inFile;
    string word;

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

    if (inFile) {
        wordCount = 0;

        inFile >> word;
        while (inFile) {

            InsertWord(word, words, wordCount);

            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;
}