#ifdef WIN32
#include <time.h>
#include <iomanip>
#include <sstream>
#include <calculate_price.h>


extern "C" char* strptime(const char* s,
                          const char* f,
                          struct tm* tm) {
    // Isn't the C++ standard lib nice? std::get_time is defined such that its
    // format parameters are the exact same as strptime. Of course, we have to
    // create a string stream first, and imbue it with the current C locale, and
    // we also have to make sure we return the right things if it fails, or
    // if it succeeds, but this is still far simpler an implementation than any
    // of the versions in any of the C standard libraries.
    std::istringstream input(s);
    input.imbue(std::locale(setlocale(LC_ALL, nullptr)));
    input >> std::get_time(tm, f);
    if (input.fail()) {
        return nullptr;
    }
    return (char*)(s + input.tellg());
}
#endif

#include <QDebug>
#include <QDateTime>
#include <QDir>

#include <fstream>
#include <sstream>
#include "calculator_functions.h"
#include <calculate_price.h>


int main() {

    std::ifstream input(QDir::homePath().append("/tariff01.json").toStdString());
    std::stringstream sstr;
    while(input >> sstr.rdbuf());
    std::string json(sstr.str());

    Calculator calculator;
    Configuration cfg;

    bool isParsed = cfg.ParseJson(&cfg, json.c_str());
    cout << endl;

    char const *startDate = "";

    if (isParsed)
    {
        startDate = "2023-05-10T13:52:18.665Z";
        std::string duration = calculator.GetDurationFromCost(&cfg, 3, (char *)startDate, 33, false, true);
        cout << "---> startDate " << startDate << " _price_ = " << 33
             << " Total duration is: " << duration << endl;
    }

    return 0;







    parking_tariff_t *tariff = 0;
    if (init_tariff(&tariff, "/etc/psa_tariff/")) {      
        struct price_t price;
        memset(&price, 0x00, sizeof(price));
        QDateTime start = QDateTime::fromString("2023-05-11T07:50:00",Qt::ISODate); //QDateTime::currentDateTime();
        time_t start_parking_time = start.toSecsSinceEpoch() / 60;
        time_t end_parking_time = start_parking_time + 615;

        if (compute_price_for_parking_ticket(tariff,
                                             start_parking_time,
                                             end_parking_time,
                                             &price))
        {
            qDebug() << "GetCostFromDuration() => price=" << price.netto;
        }

        QString duration;
        if(compute_duration_for_parking_ticket(tariff,start_parking_time,3090,duration))
        {
            qDebug() << "GetDurationFromCost() => duration=" << duration;
        }

        // Daily ticket
        //compute_duration_for_daily_ticket(tariff,start.toString(Qt::ISODate),3);

        //Configuration* cfg, QString start_datetime, uint8_t payment_option, bool carry_over
        //        // tests
        //        struct tm now;
        //        memset(&now, 0, sizeof(now));

        //        // 3.Jan 2023 -> Tuesday
        //        strptime("2023-01-03T14:00:00", "%Y-%m-%dT%H:%M:%S", &now);
        //        for (int i = 0; i < 600; ++i) {
        //            start_parking_time = mktime(&now);
        //            end_parking_time = start_parking_time + 240; // duration == 240

        //            if (compute_price_for_parking_ticket(tariff,
        //                                                 start_parking_time,
        //                                                 end_parking_time,
        //                                                 &price)) {
        //                int const zone = get_zone_nr(1);
        //                switch (zone) {
        //                case 1:
        //                    assert(price.netto == 879);    // expected value: 880
        //                    break;
        //                case 2:
        //                    /* fall through */
        //                case 3:
        //                    assert(price.netto == 1920);
        //                    break;
        //                }
        //            }
        //            time_t t = start_parking_time + 60;
        //            now = *localtime(&t);
        //        }
        //        //
        //        // test May 1st 2023
        //        //
        //        memset(&now, 0, sizeof(now));
        //        strptime("2023-04-30T06:00:00", "%Y-%m-%dT%H:%M:%S", &now);
        //        now.tm_hour -= 1; // for ctime
        //        // for (int i=0; i<6*24; ++i) {
        //        for (int i=0; i<1; ++i) {
        //            int const duration = 120;
        //            time_t t = mktime(&now);
        //            start_parking_time = t / 60;
        //            end_parking_time = start_parking_time + duration;

        //            if (compute_price_for_parking_ticket(tariff,
        //                                                 start_parking_time,
        //                                                 end_parking_time,
        //                                                 &price)) {
        //                int const zone = get_zone_nr();
        //                switch (zone) {
        //                case 1:
        //                    qDebug() << i << zone << ctime(&t) << price.netto << " FT";
        //                    assert(price.netto == 440);
        //                    break;
        //                case 2:
        //                    /* fall through */
        //                case 3:
        //                    qDebug() << i << zone << ctime(&t) << price.netto << " FT";
        //                    assert(price.netto == 960);
        //                    break;
        //                }
        //            }

        //            t = (start_parking_time + 60)*60;
        //            now = *localtime(&t);
        //        }

        free_tariff(tariff);
    }

    return 0;

#if 0

    //std::string json = "{\"Currency\":[{\"pcu_id\":2,\"pcu_sign\":\"Ft\",\"pcu_major\":\"HUF\",\"pcu_minor\":\"\",\"pcu_active\":true}],\"PaymentMethod\":[{\"pme_id\":1,\"pme_label\":\"progressive\"},{\"pme_id\":2,\"pme_label\":\"degressive\"},{\"pme_id\":3,\"pme_label\":\"linear\"},{\"pme_id\":4,\"pme_label\":\"steps\"}],\"PaymentOption\":[{\"pop_id\":17,\"pop_label\":\"Zone 1\",\"pop_payment_method_id\":3,\"pop_day_end_time\":\"00:00:00\",\"pop_day_night_end_time\":\"00:00:00\",\"pop_price_night\":0,\"pop_min_time\":15,\"pop_max_time\":240,\"pop_min_price\":120,\"pop_carry_over\":1}],\"PaymentRate\":[{\"pra_payment_option_id\":17,\"pra_payment_unit_id\":3,\"pra_price\":480}],\"Duration\":[{\"pun_id\":1,\"pun_label\":\"1h\",\"pun_duration\":60},{\"pun_id\":2,\"pun_label\":\"1 min\",\"pun_duration\":1},{\"pun_id\":3,\"pun_label\":\"15 min\",\"pun_duration\":15},{\"pun_id\":4,\"pun_label\":\"1d\",\"pun_duration\":1440},{\"pun_id\":6,\"pun_label\":\"2h\",\"pun_duration\":120},{\"pun_id\":7,\"pun_label\":\"3h\",\"pun_duration\":180},{\"pun_id\":11,\"pun_label\":\"4h\",\"pun_duration\":240},{\"pun_id\":17,\"pun_label\":\"30 min\",\"pun_duration\":30},{\"pun_id\":18,\"pun_label\":\"1.5h\",\"pun_duration\":90},{\"pun_id\":20,\"pun_label\":\"10min\",\"pun_duration\":10}],\"WeekDaysWorktime\":[{\"pwd_id\":540,\"pwd_period_week_day_id\":32,\"pwd_period_day_in_week_id\":1,\"pwd_time_from\":\"08:00:00\",\"pwd_time_to\":\"18:00:00\"},{\"pwd_id\":541,\"pwd_period_week_day_id\":32,\"pwd_period_day_in_week_id\":2,\"pwd_time_from\":\"08:00:00\",\"pwd_time_to\":\"18:00:00\"},{\"pwd_id\":542,\"pwd_period_week_day_id\":32,\"pwd_period_day_in_week_id\":3,\"pwd_time_from\":\"08:00:00\",\"pwd_time_to\":\"18:00:00\"},{\"pwd_id\":543,\"pwd_period_week_day_id\":32,\"pwd_period_day_in_week_id\":4,\"pwd_time_from\":\"08:00:00\",\"pwd_time_to\":\"18:00:00\"},{\"pwd_id\":544,\"pwd_period_week_day_id\":32,\"pwd_period_day_in_week_id\":5,\"pwd_time_from\":\"08:00:00\",\"pwd_time_to\":\"18:00:00\"}],\"PeriodYear\":[{\"pye_id\":1,\"pye_label\":\"Summer\",\"pye_start_month\":6,\"pye_start_day\":1,\"pye_end_month\":9,\"pye_end_day\":30},{\"pye_id\":2,\"pye_label\":\"Winter\",\"pye_start_month\":10,\"pye_start_day\":1,\"pye_end_month\":5,\"pye_end_day\":31},{\"pye_id\":8,\"pye_label\":\"Whole year\",\"pye_start_month\":1,\"pye_start_day\":1,\"pye_end_month\":12,\"pye_end_day\":31}],\"SpecialDaysWorktime\":[{\"pedwt_id\":2156,\"pedwt_period_exc_day_id\":2024,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2158,\"pedwt_period_exc_day_id\":2025,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2160,\"pedwt_period_exc_day_id\":2026,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2162,\"pedwt_period_exc_day_id\":2027,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2164,\"pedwt_period_exc_day_id\":2028,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2170,\"pedwt_period_exc_day_id\":2030,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2172,\"pedwt_period_exc_day_id\":2032,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2174,\"pedwt_period_exc_day_id\":11,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2175,\"pedwt_period_exc_day_id\":13,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2178,\"pedwt_period_exc_day_id\":2022,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2179,\"pedwt_period_exc_day_id\":14,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2180,\"pedwt_period_exc_day_id\":2017,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2181,\"pedwt_period_exc_day_id\":2018,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2182,\"pedwt_period_exc_day_id\":2019,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2183,\"pedwt_period_exc_day_id\":2020,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2184,\"pedwt_period_exc_day_id\":2021,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2185,\"pedwt_period_exc_day_id\":2023,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2188,\"pedwt_period_exc_day_id\":2031,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2189,\"pedwt_period_exc_day_id\":2029,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2191,\"pedwt_period_exc_day_id\":2016,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2192,\"pedwt_period_exc_day_id\":2033,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2194,\"pedwt_period_exc_day_id\":2034,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2196,\"pedwt_period_exc_day_id\":2035,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2198,\"pedwt_period_exc_day_id\":2036,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2200,\"pedwt_period_exc_day_id\":2037,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2202,\"pedwt_period_exc_day_id\":2038,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2204,\"pedwt_period_exc_day_id\":2039,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2206,\"pedwt_period_exc_day_id\":2040,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2219,\"pedwt_period_exc_day_id\":2041,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2220,\"pedwt_period_exc_day_id\":2042,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2221,\"pedwt_period_exc_day_id\":2043,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2222,\"pedwt_period_exc_day_id\":2044,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2223,\"pedwt_period_exc_day_id\":2045,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"01:00:00\",\"pedwt_price\":0},{\"pedwt_id\":2224,\"pedwt_period_exc_day_id\":2046,\"pedwt_time_from\":\"00:00:00\",\"pedwt_time_to\":\"00:00:00\",\"pedwt_price\":0}],\"SpecialDays\":[{\"ped_id\":11,\"ped_label\":\"Christmas 1st day\",\"ped_date_start\":\"2022-12-25\",\"ped_date_end\":\"2022-12-25\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":13,\"ped_label\":\"Christmas 2nd day\",\"ped_date_start\":\"2022-12-26\",\"ped_date_end\":\"2022-12-26\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":14,\"ped_label\":\"Republic Day (Hungary)\",\"ped_date_start\":\"2022-10-23\",\"ped_date_end\":\"2022-10-23\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":2016,\"ped_label\":\"Christmas (Sunday)\",\"ped_date_start\":\"2022-12-24\",\"ped_date_end\":\"2022-12-24\",\"ped_period_special_day_id\":2,\"ped_year\":2023},{\"ped_id\":2017,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2022-12-27\",\"ped_date_end\":\"2022-12-27\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2018,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2022-12-28\",\"ped_date_end\":\"2022-12-28\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2019,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2022-12-29\",\"ped_date_end\":\"2022-12-29\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2020,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2022-12-30\",\"ped_date_end\":\"2022-12-30\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2021,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2022-12-31\",\"ped_date_end\":\"2022-12-31\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2022,\"ped_label\":\"NewYear\",\"ped_date_start\":\"2023-01-01\",\"ped_date_end\":\"2023-01-01\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":2023,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2023-01-02\",\"ped_date_end\":\"2023-01-02\",\"ped_period_special_day_id\":1,\"ped_year\":2024},{\"ped_id\":2024,\"ped_label\":\"Good Friday\",\"ped_date_start\":\"2023-04-07\",\"ped_date_end\":\"2023-04-07\",\"ped_period_special_day_id\":2,\"ped_year\":2023},{\"ped_id\":2025,\"ped_label\":\"Easter Sunday\",\"ped_date_start\":\"2023-04-09\",\"ped_date_end\":\"2023-04-09\",\"ped_period_special_day_id\":2,\"ped_year\":2023},{\"ped_id\":2026,\"ped_label\":\"Easter Monday\",\"ped_date_start\":\"2023-04-10\",\"ped_date_end\":\"2023-04-10\",\"ped_period_special_day_id\":2,\"ped_year\":2023},{\"ped_id\":2027,\"ped_label\":\"Whit Sunday\",\"ped_date_start\":\"2023-05-28\",\"ped_date_end\":\"2023-05-28\",\"ped_period_special_day_id\":2,\"ped_year\":2023},{\"ped_id\":2028,\"ped_label\":\"Whit Monday\",\"ped_date_start\":\"2023-05-29\",\"ped_date_end\":\"2023-05-29\",\"ped_period_special_day_id\":2,\"ped_year\":2023},{\"ped_id\":2029,\"ped_label\":\"Revolution Day (Hungary)\",\"ped_date_start\":\"2023-03-15\",\"ped_date_end\":\"2023-03-15\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":2030,\"ped_label\":\"Labour Day\",\"ped_date_start\":\"2023-05-01\",\"ped_date_end\":\"2023-05-01\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":2031,\"ped_label\":\"Saint Stephens Day (Hungary)\",\"ped_date_start\":\"2023-08-20\",\"ped_date_end\":\"2023-08-20\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":2032,\"ped_label\":\"All Saints Day\",\"ped_date_start\":\"2023-11-01\",\"ped_date_end\":\"2023-11-01\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":2033,\"ped_label\":\"Christmas (Tuesday)\",\"ped_date_start\":\"2024-12-24\",\"ped_date_end\":\"2024-12-24\",\"ped_period_special_day_id\":2,\"ped_year\":2024},{\"ped_id\":2034,\"ped_label\":\"Good Friday\",\"ped_date_start\":\"2024-03-29\",\"ped_date_end\":\"2024-03-29\",\"ped_period_special_day_id\":2,\"ped_year\":2024},{\"ped_id\":2035,\"ped_label\":\"Easter\",\"ped_date_start\":\"2024-03-31\",\"ped_date_end\":\"2024-03-31\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":2036,\"ped_label\":\"Easter Monday\",\"ped_date_start\":\"2024-04-01\",\"ped_date_end\":\"2024-04-01\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":2037,\"ped_label\":\"Whit Monday\",\"ped_date_start\":\"2024-05-20\",\"ped_date_end\":\"2024-05-20\",\"ped_period_special_day_id\":2,\"ped_year\":2024},{\"ped_id\":2038,\"ped_label\":\"Whit Sunday\",\"ped_date_start\":\"2024-05-19\",\"ped_date_end\":\"2024-05-19\",\"ped_period_special_day_id\":2,\"ped_year\":2024},{\"ped_id\":2039,\"ped_label\":\"Christmas 1st Day\",\"ped_date_start\":\"2024-12-25\",\"ped_date_end\":\"2024-12-25\",\"ped_period_special_day_id\":2,\"ped_year\":2024},{\"ped_id\":2040,\"ped_label\":\"Christmas 2nd Day\",\"ped_date_start\":\"2024-12-26\",\"ped_date_end\":\"2024-12-26\",\"ped_period_special_day_id\":2,\"ped_year\":0},{\"ped_id\":2041,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2024-12-27\",\"ped_date_end\":\"2024-12-27\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2042,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2024-12-28\",\"ped_date_end\":\"2024-12-28\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2043,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2024-12-29\",\"ped_date_end\":\"2024-12-29\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2044,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2024-12-30\",\"ped_date_end\":\"2024-12-30\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2045,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2024-12-31\",\"ped_date_end\":\"2024-12-31\",\"ped_period_special_day_id\":1,\"ped_year\":0},{\"ped_id\":2046,\"ped_label\":\"Holiday (Hungary)\",\"ped_date_start\":\"2025-01-02\",\"ped_date_end\":\"2025-01-02\",\"ped_period_special_day_id\":1,\"ped_year\":2025}]}";

    for (int zone = 3; zone < 4; ++zone) {
        // std::string fname("/opt/ptu5/opt/customer_281/szeged/tariff/szeged_winter_sale_zone");
        std::string fname("/opt/ptu5/opt/ATB-CalculatorLinux_21.12.2022/tariff/szeged_winter_sale_zone");

        fname += std::to_string(zone) + ".json";

        std::cout << fname << std::endl;

        std::ifstream input(fname);
        std::stringstream sstr;
        while(input >> sstr.rdbuf());
        std::string json(sstr.str());

        Calculator calculator;
        Configuration cfg;

        bool isParsed = cfg.ParseJson(&cfg, json.c_str());
        cout << endl;

        char const *startDate = "";

        if (isParsed)
        {
            struct tm now; // = Utilities::DateTimeToStructTm("2023-03-01T16:00:00");
            memset(&now, 0, sizeof(now));
            char buffer[64];
            //#if 0
            // 3.Jan 2023 -> Tuesday
            strptime("2023-01-03T14:00:00", "%Y-%m-%dT%H:%M:%S", &now);
            for (int i = 0; i < 600; ++i) {

                time_t now_t = mktime(&now);
                now_t += 60;
                now = *localtime(&now_t);

                sprintf(buffer, "%04d-%02d-%02dT%02d:%02d:%02d", now.tm_year + 1900, now.tm_mon + 1, now.tm_mday, now.tm_hour, now.tm_min, now.tm_sec);
                double cost = calculator.GetCostFromDuration(&cfg, PaymentOption::Option1, buffer, 240, false, true);
                memset(buffer, 0, 64);

                // cout << "======================================================" << endl;
                // cout << "zone " << zone << " ===> " << i << " " << asctime(&now) << " - Total cost is: " << cost << " FT" << endl;
                switch (zone) {
                case 1:
                    assert(cost == 879);    // expected value: 880
                    break;
                case 2:
                    /* fall through */
                case 3:
                    assert(cost == 1920);
                    break;
                }
                // cout << "======================================================" << endl;
            }

            // zone 3 has problems
            for (int i = 112; i <= 128; ++i)
            {
                startDate = "2022-12-23T17:00:00";
                std::string validity = calculator.GetDurationFromCost(&cfg, PaymentOption::Option1, (char *)startDate, i, false, true);
                cout << "zone " << zone << ", startDate " << startDate << " _price_ "
                     << i << " Total duration is: " << validity << endl;
            }

            for (int i = 112; i <= 128; ++i)
            {
                startDate = "2022-12-09T18:00:00";
                std::string validity = calculator.GetDurationFromCost(&cfg, PaymentOption::Option1, (char *)startDate, i, false, true);
                cout << "zone " << zone << ", startDate " << startDate << " _price_ "
                     << i << " Total duration is: " << validity << endl;
            }

            for (int i = 112; i <= 128; ++i) {
                startDate = "2022-12-26T17:00:00";
                std::string validity = calculator.GetDurationFromCost(&cfg, PaymentOption::Option1, (char *)startDate, i, false, true);
                cout << "zone " << zone << ", startDate " << startDate << " _price_ "
                     << i << " Total duration is: " << validity << endl;
            }

            //std::string validity = calculator.GetDurationFromCost(&cfg, PaymentOption::Option1, (char*)"2022-12-22T05:00:00", 75, false, true);
            //cout << "_price_ " << " Total duration is: " << validity << " min" << endl;

            startDate = "2022-12-22T05:00:00";
            std::string validity = calculator.GetDurationFromCost(&cfg, PaymentOption::Option1, (char*)startDate, 120, false, true);
            cout << "zone " << zone << ", startDate " << startDate << " _price_ "
                 << " Total duration is: " << validity << " min" << endl;
            // working for all zones
            //
            // test Easter 2023
            //
            memset(&now, 0, sizeof(now));
            strptime("2023-04-07T06:00:00", "%Y-%m-%dT%H:%M:%S", &now);
            for (int i=0; i<6*24; ++i) {
                time_t now_t = mktime(&now);
                now_t += 60*60;
                now = *localtime(&now_t);

                sprintf(buffer, "%04d-%02d-%02dT%02d:%02d:%02d", now.tm_year + 1900,
                        now.tm_mon + 1, now.tm_mday, now.tm_hour, now.tm_min, now.tm_sec);

                int const duration = 120;
                double cost = calculator.GetCostFromDuration(&cfg,
                                                             PaymentOption::Option1, buffer, duration,
                                                             false, true);

                switch (zone) {
                case 1:
                    cout << "===> [" << i << "] " << asctime(&now) << " - Total cost is: " << cost << " FT" << endl;
                    assert(cost == 440);
                    break;
                case 2:
                    /* fall through */
                case 3:
                    assert(cost == 960);
                    cout << "===> [" << i << "] " << asctime(&now) << " - Total cost is: " << cost << " FT" << endl;
                    break;
                }

                //if (cost == 960) {
                //    cout << "===> [" << i << "] " << asctime(&now) << " - Total cost is: " << cost << " FT" << endl;
                //} else {
                //    cout << "ERROR ===> [" << i << "] " << asctime(&now) << " - Total cost is: " << cost << " FT" << endl;
                //    assert(cost == 960);
                //}
            }
            // working for all zones
            //
            // test May 1st 2023
            //
            memset(&now, 0, sizeof(now));
            strptime("2023-04-30T06:00:00", "%Y-%m-%dT%H:%M:%S", &now);
            for (int i=0; i<6*24; ++i) {
                time_t now_t = mktime(&now);
                now_t += 60*60;
                now = *localtime(&now_t);

                sprintf(buffer, "%04d-%02d-%02dT%02d:%02d:%02d", now.tm_year + 1900,
                        now.tm_mon + 1, now.tm_mday, now.tm_hour, now.tm_min, now.tm_sec);

                int const duration = 120;
                double cost = calculator.GetCostFromDuration(&cfg,
                                                             PaymentOption::Option1, buffer, duration,
                                                             false, true);

                switch (zone) {
                case 1:
                    cout << "===> [" << i << "] " << asctime(&now) << " - Total cost is: " << cost << " FT" << endl;
                    assert(cost == 440);
                    break;
                case 2:
                    /* fall through */
                case 3:
                    assert(cost == 960);
                    cout << "===> [" << i << "] " << asctime(&now) << " - Total cost is: " << cost << " FT" << endl;
                    break;
                }
            }
            // only zone 1 has some minor problems
            //
            // test 17/04/2023 - 27/04/2023
            //
            memset(&now, 0, sizeof(now));
            strptime("2023-04-17T06:00:00", "%Y-%m-%dT%H:%M:%S", &now);
            int duration = 0;
            //for (int i=0; i<1440; ++i) {
            for (int i=0; i<1440; ++i) {
                time_t now_t = mktime(&now);
                now_t += 600; // 10 minutes
                now = *localtime(&now_t);

                sprintf(buffer, "%04d-%02d-%02dT%02d:%02d:%02d", now.tm_year + 1900,
                        now.tm_mon + 1, now.tm_mday, now.tm_hour, now.tm_min, now.tm_sec);

                double const compCost = (duration < 15) ? 0 : duration * ((zone == 1) ? 3.6666 : 8.0);
                double cost = calculator.GetCostFromDuration(&cfg,
                                                             PaymentOption::Option1, buffer, duration,
                                                             false, true);
                if (fabs(cost - compCost) > 1.0) { // zone 1 has rounding errors
                    cout << "ERROR ===> [" << i << "] " << asctime(&now)
                         << " - Total cost is: " << cost << " FT (computed="
                         << compCost << ")" << endl;
                    // assert (cost == compCost);
                }

                if (++duration > 240) {
                    duration = 0;
                }
            }
        }
    }
#endif
    return 0;
}