#pragma once
bool CheckExtension(const std::string& path_to_file) {
    const std::string extension = "txt";
    if (path_to_file.substr(path_to_file.length() - 3) == extension)
    {
        return true;
    }
    else {
        std::cout << "Wrong file's extension!\n";
        return false;
    }
}

bool CheckPermissionForReading(const std::string& path_to_file)
{
    std::ifstream file_out(path_to_file);
    if (file_out.is_open())
    {
        file_out.close();
        return true;
    }
    else
    {
        std::cout << "File can not be opened!\n";
        return false;
    }
}

bool CheckPermissionForWriting(const std::string& path_to_file)
{
    std::ofstream file_out(path_to_file);
    if (file_in.is_open())
    {
        file_in.close();
        return true;
    }
    else
    {
        std::cout << "Can not write in this file!\n";
        return false;
    }
}



const std::string inputPathToFileForWriting()
{
    std::string path_to_file;
    do
    {
        std::cout << "Enter path to file: \n";
        getline(std::cin, path_to_file);
    } while (!CheckExtension(path_to_file) || !CheckPermissionForWriting(path_to_file));
    return path_to_file;
}

const std::string inputPathToFileForReading()
{
    std::string path_to_file;
    do
    {
        std::cout << "Enter path to file: \n";
        getline(std::cin, path_to_file);
    } while (!CheckExtension(path_to_file) || !CheckPermissionForReading(path_to_file));
    return path_to_file;
}

const std::string inputPathToFile()
{
    std::string path_to_file;
    do
    {
        std::cout << "Enter path to file: \n";
        getline(std::cin, path_to_file);
    } while (!CheckExtension(path_to_file) || !CheckPermissionForReading(path_to_file) || !CheckPermissionForWriting(path_to_file));
    return path_to_file;
}