#include <regex>
#include <fstream>
#include <set>
#include "FileFounder.h"
FileFounder::FileFounder() {
    _regex = FileFounder::DEFAULT_REGEX;
}
FileFounder::FileFounder(const std::string& custom_regex)
{
    _regex = custom_regex;
}
FileFounder::FileFounder(const FileFounder& orig) {
}

FileFounder::~FileFounder() {
}
std::string FileFounder::NameFile(const std::string& filename)
{
    std::set<std::string> uniques;
    std::ifstream file(filename);
    std::string str;
    regex re(_regex);
    smatch match;

    while(std::getline(file, str))
    {
        if (std::regex_search(str, match, re))
        {
            std::string CFile = "";
            if (match.size() > 1)
            {
                for (auto i = 1; i < match.size()-2; i++)
                {
                    CFile += static_cast<std::string>(match[i]);
                }
            }
            else
            {
                CFile = static_cast<std::string>(match[0]);
            }
            uniques.insert(CFile);
        }
    }
    std::string result = "";
    for (std::set<std::string>::iterator i=uniques.begin(); i!=uniques.end(); ++i)
    {
        result = result + *i + '\n';
    }
    result = result.substr(0,result.length()-1);
    return result;
}