#include "FileTools.h"

#include <iostream>
#include <fstream>

void FileTools::ExtractWordsFromFile(const string& iFilePath, vector<string>& oWords)
{
	ifstream wordList;
	wordList.open(iFilePath);
	if (wordList.is_open()) {
		string word;
		while (getline(wordList, word)) {
			// TODO basic checks on the words to validate/sanitise the input
			if (!word.empty()) {
				oWords.push_back(word);
			}
		}
		wordList.close();
	}
}

void FileTools::SaveRseult(const vector<string>& iWords, const string& iPath, bool isReverse)
{
	fstream fileOut;
	fileOut.open(iPath, ios_base::out);
	if (fileOut.is_open()) {
		if (isReverse) {
			for (auto wordsIt = iWords.rbegin(); wordsIt != iWords.rend(); ++wordsIt) {
				fileOut << *wordsIt << "\n";
			}
		}
		else {
			for (auto wordsIt = iWords.begin(); wordsIt != iWords.end(); ++wordsIt) {
				fileOut << *wordsIt << "\n";
			}
		}
	}
	fileOut.close();
}