#include "basic_io.hpp"

#include <sstream>
#include <string>

namespace fundamentals {

auto join_words(const std::vector<std::string>& words, const char separator) -> std::string {
    std::ostringstream oss;
    size_t i = 0;
    for (const auto& word : words) {
        i++;
        oss << word;
        if (i < words.size()) {
            oss << separator;
        }
    }
    return oss.str();
}

auto parse_integers(const std::string& csv) -> std::vector<int> {
    std::vector<int> numbers;
    std::istringstream iss(csv);
    int n;
    char c;
    do {
        iss >> n;
        numbers.push_back(n);
        iss >> c;
    } while (!iss.eof());
    return numbers;
}

auto format_score(const std::string& player, const int score) -> std::string {
    std::ostringstream oss;
    oss << player << " scored " << score << " points";
    return oss.str();
}

}  // namespace fundamentals