#include <iostream>
#include "WordListT.h"
#include "WordT.h"

using namespace std;

WordListT::WordListT(){
    capacity = 10;
    words = new WordT[capacity];
    size = 0;
    current = 0;
}

WordListT::~WordListT(){
    delete [] words;
    words = nullptr;
}

WordListT::WordListT(const WordListT & other ){
       int i;
       words = new WordT[other.capacity];
       for(i =0; i < other.size; ++i) {
           words[i] = other.words[i];
       }
       size = other.size;
       current = other.current;
       capacity = other.capacity;
    
}

WordListT & WordListT::operator =(const WordListT & other){
   int i;

   if (this != &other) {
       delete[] words;
       words = new WordT[other.capacity];
       for(i =0; i < other.size; ++i) {
           words[i] = other.words[i];
       }
       size = other.size;
       current = other.current;
       capacity = other.capacity;
   }

   return *this;
}


void WordListT::AddWord(string word){
    WordT * tmp{nullptr};
    int i;

    if (size == capacity) {
        capacity *= 2;
        tmp = new WordT[capacity];

        for (i = 0; i < size; ++i) {
           tmp[i] = words[i];
        }

        delete [] words;
        words = tmp;
        tmp = nullptr;
    }
    words[size].Word(word);
    size++;
}

int WordListT::WordCount(void) const{
    return size;
}

void WordListT::FirstWord(){
    current = 0;
}

void WordListT::NextWord(){
    if (current < size) {
       current ++;
    }
}

bool WordListT::PastLastWord(){
    return current >= size;
}

void WordListT::FindWord(string word) {
    current = 0;
    while (current < size and words[current].Word() != word) {
       current ++;
    }
}

void WordListT::SetWord(WordT word) {
    if (current < size) {
        words[current] = word;
    } else {
        cout << "Current is invalid, not setting word" << endl;
    }
}

WordT WordListT::GetWord(){
    WordT word;
    if (current < size) {
        word = words[current];
    } else {
        cout << "Current is invalid, returning blank word" << endl;
    }
    return word;
}