#include "configuration.h"
#include "tariff_timebase.h"
#include "time_range_header.h"
#include "tariff_timestep_config.h"

#include <QString>
#include <QDebug>

/// <inheritdoc/>
MemberType Configuration::IdentifyJsonMember(const char* member_name)
{
	if (strcmp(member_name, "Currency") == 0) return MemberType::CurrencyType;
	if (strcmp(member_name, "PaymentMethod") == 0) return MemberType::PaymentMethodType;
	if (strcmp(member_name, "PaymentRate") == 0) return MemberType::PaymentRateType;
	if (strcmp(member_name, "PaymentOption") == 0) return MemberType::PaymentOptionType;
	if (strcmp(member_name, "Duration") == 0) return MemberType::DurationType;
	//if (strcmp(member_name, "WeekDays") == 0) return MemberType::WeekDaysType;
	if (strcmp(member_name, "WeekDaysWorktime") == 0) return MemberType::WeekDaysWorkTimeType;
	if (strcmp(member_name, "SpecialDaysWorktime") == 0) return MemberType::SpecialDaysWorktimeType;
	if (strcmp(member_name, "SpecialDays") == 0) return MemberType::SpecialDaysType;
	if (strcmp(member_name, "PeriodYear") == 0) return MemberType::PeriodYearType;
    if (strcmp(member_name, "DailyTicket") == 0) return MemberType::DailyTicketType;
    if (strcmp(member_name, "TimeBase") == 0) return MemberType::TimeBaseType;
    if (strcmp(member_name, "Customer") == 0) return MemberType::CustomerType;
    if (strcmp(member_name, "TimeRange") == 0) return MemberType::TimeRangeType;
    if (strcmp(member_name, "TimeStepConfig") == 0) return MemberType::TimeStepConfigType;
    else return MemberType::UnknownType;
}

/// <inheritdoc/>
bool Configuration::ParseJson(Configuration* cfg, const char* json)
{
	try
	{
		if (cfg == nullptr)
		{
			printf("TariffConfiguration pointer not set\n");
			return false;
		}
		if (json == NULL)
		{
			printf("%s", "Input JSON string is NULL\n");
			return false;
		}

		// Parse JSON to document
		Document document;
		document.Parse(json);

		// Return if parse error has been found
		ParseErrorCode err = document.GetParseError();
		if (err != 0)
		{
			printf("%s %d (%s)\n", "Unable to parse JSON, error code:", err, GetParseError_En(err));
			return false;
		}

		// Validate JSON, check if it's a JSON object
		printf("%s", "JSON parsing has been successful\n");
		if (!document.IsObject()) {
			printf("%s", "Error: not a (valid) JSON object\n");
			return false;
		}
		printf("%s", "Valid JSON object identified\n");

		// Validate JSON, check configuration members
		if (!document.HasMember("Currency")
			|| !document.HasMember("PaymentMethod")
			|| !document.HasMember("PaymentOption")
			|| !document.HasMember("PaymentRate")
			|| !document.HasMember("Duration")
			//|| !document.HasMember("WeekDays")
            //|| !document.HasMember("SpecialDaysWorktime")
            //|| !document.HasMember("SpecialDays")
            )
		{
			printf("%s", "Error: not a valid configuration JSON\n");
			return false;
		}
		printf("%s", "Valid JSON configuration identified\n");

        ATBCurrency Currency;
        ATBDuration Duration;
        ATBPaymentMethod PaymentMethod;
        ATBPaymentRate PaymentRate;
        ATBSpecialDaysWorktime SpecialDaysWorktime;
        ATBSpecialDays SpecialDays;
        ATBWeekDays  WeekDays;
        ATBWeekDaysWorktime  WeekDaysWorktime;
        ATBPaymentOption PaymentOption;
        ATBPeriodYear YearPeriod;
        ATBDailyTicket DailyTicket;
        ATBTimeBase TimeBase;
        ATBCustomer Customer;
        ATBTimeRange TimeRange;
        ATBTimeStepConfig TimeStepConfig;

        MemberType mb_type = MemberType::UnknownType;

		// Get all JSON object members
		// This code should run only once (to load JSON variables into memory)
		for (auto i = document.MemberBegin(); i != document.MemberEnd(); i++)
		{
			// Get name of all general members of JSON, don't print name if NULL
			const char* mb_name = i->name.GetString();
            if (mb_name == NULL) continue;

            if (document[mb_name].IsString()) {
                QString const _mb_name(mb_name);
                if (_mb_name.startsWith("Project", Qt::CaseInsensitive)) {
                    cfg->project.project = document[mb_name].GetString();
                    continue;
                 }
                if (_mb_name.startsWith("Version", Qt::CaseInsensitive)) {
                    cfg->project.version = document[mb_name].GetString();
                    continue;
                }
                if (_mb_name.startsWith("Info", Qt::CaseInsensitive)) {
                    cfg->project.info = document[mb_name].GetString();
                    continue;
                }
            }

            // ... everything else should be an array
            if (!document[mb_name].IsArray()) {
                continue;
            }

            printf(" -%s\n", mb_name);

			// Get array for each JSON object member
			auto mb_array = document[mb_name].GetArray();
			if (mb_array.Size() <= 0) break;

			//Iterate over provided array
            for (rapidjson::SizeType j = 0; j < mb_array.Size(); j++)
			{
				// Get all inner objects, don't print name if NULL
				auto inner_obj = mb_array[j].GetObject();
				if (inner_obj.MemberCount() <= 0) break;

				// Iterate over inner object JSON members
				for (auto k = inner_obj.MemberBegin(); k != inner_obj.MemberEnd(); k++)
				{
					// Get inner object JSON member, don't print name if NULL
					const char* inner_obj_name = k->name.GetString();
					if (inner_obj_name == NULL)
					{
						printf("Inner object name is NULL\n");
						continue;
					}

					// Identify member type
					mb_type = IdentifyJsonMember(mb_name);

					switch (mb_type)
					{
					case MemberType::UnknownType:
						break;
                    case MemberType::TimeRangeType:
                        if (QString(inner_obj_name) == QString("time_range_id")) {
                            if (k->value.IsInt()) {
                                TimeRange.time_range_id = k->value.GetInt();
                            }
                        } else
                        if (QString(inner_obj_name) == QString("time_range_from")) {
                            if (k->value.IsString()) {
                                QTime timeRangeFrom = QTime::fromString(QString::fromStdString(k->value.GetString()), Qt::ISODate);
                                TimeRange.time_range_from = timeRangeFrom;
                            }
                        } else
                        if (QString(inner_obj_name) == QString("time_range_to")) {
                            if (k->value.IsString()) {
                                QTime timeRangeTo = QTime::fromString(QString::fromStdString(k->value.GetString()), Qt::ISODate);
                                TimeRange.time_range_to = timeRangeTo;
                            }
                        }
                        break;
                    case MemberType::TimeBaseType:
                        if (QString(inner_obj_name) == QString("tbase_id")) {
                            if (k->value.IsInt()) {
                                TimeBase.tbase_id = k->value.GetInt();
                            }
                        } else
                        if (QString(inner_obj_name) == QString("tbase_type")) {
                            if (k->value.IsInt()) {
                                int timeBase = k->value.GetInt();
                                switch (timeBase) {
                                case (int)ATBTimeBase::TimeBaseType::ABSOLUTE:
                                    TimeBase.tbase_type = ATBTimeBase::TimeBaseType::ABSOLUTE;
                                    break;
                                case (int)ATBTimeBase::TimeBaseType::RELATIVE:
                                    TimeBase.tbase_type = ATBTimeBase::TimeBaseType::RELATIVE;
                                    break;
                                }
                            }
                        }
                        break;
                    case MemberType::TimeStepConfigType:
                        if (QString(inner_obj_name) == QString("tsconfig_id")) {
                            if (k->value.IsInt()) {
                                TimeStepConfig.tsconfig_id = k->value.GetInt();
                            }
                        } else
                        if (QString(inner_obj_name) == QString("tsconfig_label")) {
                            if (k->value.IsString()) {
                                TimeStepConfig.tsconfig_label = QString::fromStdString(k->value.GetString());
                            }
                        }
                        break;
                    case MemberType::DailyTicketType:
                        if (QString(inner_obj_name) == QString("daily_ticket_payment_option_id")) {
                            if (k->value.IsInt()) {
                                DailyTicket.daily_ticket_payment_option_id = k->value.GetInt();
                            }
                        } else
                        if (QString(inner_obj_name) == QString("daily_ticket_id")) {
                            if (k->value.IsInt()) {
                                DailyTicket.daily_ticket_id = k->value.GetInt();
                            }
                        } else
                        if (QString(inner_obj_name) == QString("daily_ticket_price_id")) {
                            if (k->value.IsInt()) {
                                DailyTicket.daily_ticket_price_id = k->value.GetInt();
                            }
                        } else
                        if (QString(inner_obj_name) == QString("daily_ticket_tb_id")) {
                            if (k->value.IsInt()) {
                                DailyTicket.daily_ticket_tb_id = k->value.GetInt();
                            }
                        } else
                        if (QString(inner_obj_name) == QString("daily_ticket_clearance_customer_ids")) {
                            if (k->value.IsArray()) {
                                auto customerIds = k->value.GetArray();
                                for (rapidjson::SizeType i=0; i < customerIds.Size(); ++i) {
                                    if (customerIds[i].IsInt()) {
                                        DailyTicket.daily_ticket_clearance_customer_ids.append(customerIds[i].GetInt());
                                    }
                                }
                            }
                        } else
                        if (QString(inner_obj_name) == QString("daily_ticket_from_min")) {
                            if (k->value.IsString()) {
                                std::string const from_min =  k->value.GetString();
                                char const *from_min_c_str = from_min.c_str(); // for debugging
                                DailyTicket.daily_ticket_from_min = QTime::fromString(from_min_c_str, Qt::ISODate);
                            }
                        } else
                        if (QString(inner_obj_name) == QString("daily_ticket_to_max")) {
                            if (k->value.IsString()) {
                                std::string const to_max =  k->value.GetString();
                                char const *to_max_c_str =  to_max.c_str();
                                DailyTicket.daily_ticket_to_max = QTime::fromString(to_max_c_str, Qt::ISODate);
                            }
                        } else
                        if (QString(inner_obj_name) == QString("daily_ticket_from_offset_min")) {
                            if (k->value.IsInt()) {
                                int const from_offset_min = k->value.GetInt();
                                DailyTicket.daily_ticket_from_offset_min = from_offset_min;
                            }
                        } else
                        if (QString(inner_obj_name) == QString("daily_ticket_to_offset_max")) {
                            if (k->value.IsInt()) {
                                int to_offset_max = k->value.GetInt();
                                DailyTicket.daily_ticket_to_offset_max = to_offset_max;
                            }
                        }
                        break;
                    case MemberType::CustomerType:
                        if (QString(inner_obj_name) == QString("cust_id")) {
                            if (k->value.IsInt()) {
                                Customer.cust_id = k->value.GetInt();
                            }
                        } else
                        if (QString(inner_obj_name) == QString("cust_type")) {
                            if (k->value.IsInt()) {
                                int cust_type = k->value.GetInt();
                                switch (cust_type) {
                                case (int)ATBCustomer::CustomerType::ADULT:
                                    Customer.cust_type = ATBCustomer::CustomerType::ADULT;
                                    break;
                                case (int)ATBCustomer::CustomerType::CHILD:
                                    Customer.cust_type = ATBCustomer::CustomerType::CHILD;
                                    break;
                                case (int)ATBCustomer::CustomerType::TEEN:
                                    Customer.cust_type = ATBCustomer::CustomerType::TEEN;
                                    break;
                                }
                            }
                        } else
                        if (QString(inner_obj_name) == QString("cust_label")) {
                            if (k->value.IsString()) {
                                QString label(QString::fromStdString(k->value.GetString()));
                                if (label.contains("ADULT", Qt::CaseInsensitive)) {
                                   Customer.cust_label = label;
                                } else
                                if (label.contains("CHILD", Qt::CaseInsensitive)) {
                                   Customer.cust_label = label;
                                } else
                                if (label.contains("TEEN", Qt::CaseInsensitive)) {
                                   Customer.cust_label = label;
                                }
                            }
                        }
                        break;
                    case MemberType::CurrencyType:
						if (strcmp(inner_obj_name, "pcu_id") == 0) Currency.pcu_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pcu_sign") == 0) Currency.pcu_sign = k->value.GetString();
						else if (strcmp(inner_obj_name, "pcu_major") == 0) Currency.pcu_major = k->value.GetString();
						else if (strcmp(inner_obj_name, "pcu_minor") == 0) Currency.pcu_minor = k->value.GetString();
						else if (strcmp(inner_obj_name, "pcu_active") == 0) Currency.pcu_active = k->value.GetBool();
						break;
					case MemberType::PaymentMethodType:
						if (strcmp(inner_obj_name, "pme_id") == 0) PaymentMethod.pme_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pme_label") == 0) PaymentMethod.pme_label = k->value.GetString();
						break;
					case MemberType::PaymentRateType:
						if (strcmp(inner_obj_name, "pra_payment_option_id") == 0) PaymentRate.pra_payment_option_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pra_payment_unit_id") == 0) PaymentRate.pra_payment_unit_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pra_price") == 0) PaymentRate.pra_price = k->value.GetDouble();
						break;
					case MemberType::PaymentOptionType:
						if (strcmp(inner_obj_name, "pop_id") == 0) PaymentOption.pop_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pop_label") == 0) PaymentOption.pop_label = k->value.GetString();
						else if (strcmp(inner_obj_name, "pop_payment_method_id") == 0) PaymentOption.pop_payment_method_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pop_day_end_time") == 0) PaymentOption.pop_day_end_time = k->value.GetString();
						else if (strcmp(inner_obj_name, "pop_day_night_end_time") == 0) PaymentOption.pop_day_night_end_time = k->value.GetString();
						else if (strcmp(inner_obj_name, "pop_price_night") == 0) PaymentOption.pop_price_night = k->value.GetDouble();
						else if (strcmp(inner_obj_name, "pop_min_time") == 0) PaymentOption.pop_min_time = k->value.GetDouble();
						else if (strcmp(inner_obj_name, "pop_max_time") == 0) PaymentOption.pop_max_time = k->value.GetDouble();
						else if (strcmp(inner_obj_name, "pop_min_price") == 0) PaymentOption.pop_min_price = k->value.GetDouble();
						else if (strcmp(inner_obj_name, "pop_carry_over") == 0) PaymentOption.pop_carry_over = k->value.GetInt();
                        else if (strcmp(inner_obj_name, "pop_carry_over_time_range_id") == 0) PaymentOption.pop_carry_over_time_range_id = k->value.GetInt();
                        else if (strcmp(inner_obj_name, "pop_daily_card_price") == 0) PaymentOption.pop_daily_card_price = k->value.GetInt();
                        else if (strcmp(inner_obj_name, "pop_business_hours") == 0) PaymentOption.pop_business_hours = k->value.GetInt();
                        else if (strcmp(inner_obj_name, "pop_time_step_config") == 0) PaymentOption.pop_time_step_config = k->value.GetInt();
                        this->currentPaymentOptions.append(PaymentOption);
                        PaymentOption.reset();
                        break;
					case MemberType::DurationType:
						if (strcmp(inner_obj_name, "pun_id") == 0) Duration.pun_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pun_label") == 0) Duration.pun_label = k->value.GetString();
						else if (strcmp(inner_obj_name, "pun_duration") == 0) Duration.pun_duration = k->value.GetDouble();
                        else if (strcmp(inner_obj_name, "pun_duration_min") == 0) Duration.pun_duration_min = k->value.GetInt();
                        else if (strcmp(inner_obj_name, "pun_duration_max") == 0) Duration.pun_duration_max = k->value.GetInt();
                        break;
					case MemberType::SpecialDaysWorktimeType:
						if (strcmp(inner_obj_name, "pedwt_id") == 0) SpecialDaysWorktime.pedwt_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pedwt_period_exc_day_id") == 0) SpecialDaysWorktime.pedwt_period_exc_day_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pedwt_time_from") == 0) SpecialDaysWorktime.pedwt_time_from = k->value.GetString();
						else if (strcmp(inner_obj_name, "pedwt_time_to") == 0) SpecialDaysWorktime.pedwt_time_to = k->value.GetString();
						else if (strcmp(inner_obj_name, "pedwt_price") == 0) SpecialDaysWorktime.pedwt_price = k->value.GetDouble();
						break;
					/*case MemberType::WeekDaysType:
						if (strcmp(inner_obj_name, "pdiw_id") == 0) WeekDays.pdiw_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pdiw_label") == 0) WeekDays.pdiw_label = k->value.GetString();
						else if (strcmp(inner_obj_name, "pdiw_index") == 0) WeekDays.pdiw_index = k->value.GetInt();
						break;*/
					case MemberType::WeekDaysWorkTimeType:
						if (strcmp(inner_obj_name, "pwd_id") == 0) WeekDaysWorktime.pwd_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pwd_period_week_day_id") == 0) WeekDaysWorktime.pwd_period_week_day_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pwd_period_day_in_week_id") == 0) WeekDaysWorktime.pwd_period_day_in_week_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pwd_time_from") == 0) WeekDaysWorktime.pwd_time_from = k->value.GetString();
                        else if (strcmp(inner_obj_name, "pwd_time_to") == 0) WeekDaysWorktime.pwd_time_to = k->value.GetString();
                        break;
					case MemberType::SpecialDaysType:
						if (strcmp(inner_obj_name, "ped_id") == 0) SpecialDays.ped_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "ped_label") == 0) SpecialDays.ped_label = k->value.GetString();
						else if (strcmp(inner_obj_name, "ped_date_start") == 0) SpecialDays.ped_date_start = k->value.GetString();
						else if (strcmp(inner_obj_name, "ped_date_end") == 0) SpecialDays.ped_date_end = k->value.GetString();
						else if (strcmp(inner_obj_name, "ped_period_special_day_id") == 0) SpecialDays.ped_period_special_day_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "ped_year") == 0) SpecialDays.ped_year = k->value.GetInt();
						break;
					case MemberType::PeriodYearType:
						if (strcmp(inner_obj_name, "pye_id") == 0) YearPeriod.pye_id = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pye_label") == 0) YearPeriod.pye_label = k->value.GetString();
						else if (strcmp(inner_obj_name, "pye_start_month") == 0) YearPeriod.pye_start_month = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pye_start_day") == 0) YearPeriod.pye_start_day = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pye_end_month") == 0) YearPeriod.pye_end_month = k->value.GetInt();
						else if (strcmp(inner_obj_name, "pye_end_day") == 0) YearPeriod.pye_end_day = k->value.GetInt();
						break;
					default:
						break;
					}
//#pragma endregion
				}

				// Push to specific list depending on member type
				switch (mb_type)
				{
				case MemberType::UnknownType:
					break;
				case MemberType::PaymentMethodType:
					cfg->PaymentMethod.insert(pair<int, ATBPaymentMethod>(PaymentMethod.pme_id, PaymentMethod));
					break;
                case MemberType::PaymentRateType:
                    // qCritical() << "PaymentRate" << PaymentRate;
                    cfg->PaymentRate.insert(pair<int, ATBPaymentRate>(PaymentRate.pra_payment_option_id, PaymentRate));
					break;
				case MemberType::PaymentOptionType:
					cfg->PaymentOption.insert(pair<int, ATBPaymentOption>(PaymentOption.pop_payment_method_id, PaymentOption));
					break;
				case MemberType::DurationType:
					cfg->Duration.insert(pair<int, ATBDuration>(Duration.pun_id, Duration));
					break;
				case MemberType::SpecialDaysWorktimeType:
					cfg->SpecialDaysWorktime.insert(pair<int, ATBSpecialDaysWorktime>(SpecialDaysWorktime.pedwt_period_exc_day_id, SpecialDaysWorktime));
					break;
				//case MemberType::WeekDaysType:
				//	cfg->WeekDays.insert(pair<int, ATBWeekDays>(WeekDays.pdiw_index, WeekDays));
				//	break;
				case MemberType::WeekDaysWorkTimeType:
					cfg->WeekDaysWorktime.insert(pair<int, ATBWeekDaysWorktime>(WeekDaysWorktime.pwd_period_day_in_week_id, WeekDaysWorktime));
					break;
				case MemberType::SpecialDaysType:
					cfg->SpecialDays.insert(pair<int, ATBSpecialDays>(SpecialDays.ped_id, SpecialDays));
					break;
				case MemberType::PeriodYearType:
					cfg->YearPeriod.insert(pair<int, ATBPeriodYear>(YearPeriod.pye_id, YearPeriod));
					break;
                case MemberType::DailyTicketType:
                    cfg->DailyTicket.insert(pair<int, ATBDailyTicket>(DailyTicket.daily_ticket_id, DailyTicket));
                    qCritical() << DailyTicket;
                    DailyTicket.reset();
                    break;
                case MemberType::CustomerType:
                    cfg->Customer.insert(pair<int, ATBCustomer>(Customer.cust_id, Customer));
                    qCritical() << Customer;
                    break;
                case MemberType::TimeBaseType:
                    cfg->TimeBase.insert(pair<int, ATBTimeBase>(TimeBase.tbase_id, TimeBase));
                    qCritical() << TimeBase;
                    break;
                case MemberType::TimeRangeType:
                    cfg->TimeRange.insert(pair<int, ATBTimeRange>(TimeRange.time_range_id, TimeRange));
                    // qCritical() << TimeRange;
                    break;
                case MemberType::TimeStepConfigType:
                    cfg->TimeStepConfig.insert(pair<int, ATBTimeStepConfig>(TimeStepConfig.tsconfig_id, TimeStepConfig));
                    // qCritical() << TimeStepConfig;
                    break;
                default:
					break;
				}
			}
		}
		return true;
	}
	catch (...) {
		printf("%s\n", "General exception has occurred while parsing JSON\n");
		return false;
	}
}

ATBPaymentOption const &Configuration::getPaymentOptions() const {
    return this->currentPaymentOptions.at(0);
}

ATBPaymentOption &Configuration::getPaymentOptions() {
    return this->currentPaymentOptions[0];
}

QVector<ATBPaymentOption> const &Configuration::getAllPaymentOptions() const {
    return this->currentPaymentOptions;
}

QVector<ATBPaymentOption> &Configuration::getAllPaymentOptions() {
    return this->currentPaymentOptions;
}

std::optional<QVector<ATBDailyTicket>>
Configuration::getDailyTicketsForAllKeys() const {
    QVector<ATBDailyTicket> tickets;
    std::optional<QVector<ATBDailyTicket>> value;

    for (std::multimap<int, ATBDailyTicket>::const_iterator it = this->DailyTicket.cbegin();
        it != this->DailyTicket.cend(); ++it) {
        tickets.append(it->second);
    }

    if (tickets.size() > 0) {
        value.value_or(tickets);
    }

    return value;
}

std::optional<QVector<ATBDailyTicket>>
Configuration::getDailyTicketsForKey(int key) const {
    QVector<ATBDailyTicket> tickets;
    std::optional<QVector<ATBDailyTicket>> value;

    std::pair<
        std::multimap<int, ATBDailyTicket>::const_iterator,
        std::multimap<int, ATBDailyTicket>::const_iterator
    > p = this->DailyTicket.equal_range(key);

    for (std::multimap<int, ATBDailyTicket>::const_iterator it = p.first;
        it != p.second; ++it) {
        tickets.append(it->second);
    }

    if (tickets.size() > 0) {
        value.value_or(tickets);
    }

    return value;
}

std::optional<QVector<ATBPaymentRate>>
Configuration::getPaymentRateForAllKeys() const {
    QVector<ATBPaymentRate> paymentRates;
    std::optional<QVector<ATBPaymentRate>> value;

    for (std::multimap<int, ATBPaymentRate>::const_iterator it = this->PaymentRate.cbegin();
        it != this->PaymentRate.cend(); ++it) {
        paymentRates.append(it->second);
    }

    if (paymentRates.size() > 0) {
        value.value_or(paymentRates);
    }

    return value;

}

std::optional<QVector<ATBPaymentRate>>
Configuration::getPaymentRateForKey(int key) const {
    QVector<ATBPaymentRate> paymentRate;
    std::optional<QVector<ATBPaymentRate>> value;

    std::pair<
        std::multimap<int, ATBPaymentRate>::const_iterator,
        std::multimap<int, ATBPaymentRate>::const_iterator
    > p = this->PaymentRate.equal_range(key);

    for (std::multimap<int, ATBPaymentRate>::const_iterator it = p.first;
        it != p.second; ++it) {
        paymentRate.append(it->second);
    }

    if (paymentRate.size() > 0) {
        value.value_or(paymentRate);
    }

    return value;
}

std::optional<ATBCustomer>
Configuration::getCustomerForType(ATBCustomer::CustomerType customerType) {
    for (std::multimap<int, ATBCustomer>::const_iterator it = this->Customer.cbegin();
        it != this->Customer.cend(); ++it) {
        ATBCustomer const &customer = it->second;
        if (customer.cust_type == customerType) {
            return customer;
        }
    }

    return std::nullopt;
}

std::optional<ATBWeekDaysWorktime>
Configuration::getWeekDayWorkTime(QTime const &time, Qt::DayOfWeek dayOfWeek) {
    ATBWeekDaysWorktime worktime;
    std::optional<ATBWeekDaysWorktime> value;

    std::multimap<int, ATBWeekDaysWorktime>::const_iterator it = this->WeekDaysWorktime.find((int)dayOfWeek);
    if (it != this->WeekDaysWorktime.cend()) {
        ATBWeekDaysWorktime const &wt = it->second;
        if (QTime::fromString(wt.pwd_time_from.c_str(), Qt::ISODate) >= time
         && QTime::fromString(wt.pwd_time_to.c_str(), Qt::ISODate) < time) {
            value.value_or(wt);
        }
    }

    return value;
}