#include "date_format.h"

#include <ctime>

namespace radiantwave::datetime {

std::vector<DateFormatOption> getDateFormatOptions() {
    return {
        {"Month/Day/Year", "%m/%d/%Y"},
        {"Day/Month/Year", "%d/%m/%Y"},
        {"Year-Month-Day", "%Y-%m-%d"},
        {"Month.Day.Year", "%m.%d.%Y"},
        {"Day.Month.Year", "%d.%m.%Y"},
        {"Month Day, Year", "%B %d, %Y"},
        {"Day Month Year", "%d %B %Y"},
    };
}

std::string formatDate(std::time_t t, const std::string& pattern) {
    std::tm local{};
    if (!localtime_r(&t, &local)) {
        return "";
    }

    char buffer[128];
    size_t written = strftime(buffer, sizeof(buffer), pattern.c_str(), &local);
    if (written == 0) {
        return "";
    }
    return std::string(buffer, written);
}

std::string formatTime(std::time_t t) {
    return formatDate(t, "%H:%M:%S");
}

} // namespace radiantwave::datetime