tariff

package ru.pochta.abon.service.tarificator;

import com.vaadin.spring.annotation.SpringComponent;
import com.vaadin.spring.annotation.UIScope;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.log4j.Logger;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponentsBuilder;

import java.time.LocalDate;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.*;

import static java.time.temporal.ChronoUnit.MONTHS;

@SpringComponent
@UIScope
public class TarificatorService {

    private final String TARIFICATOR_HOST = "http://tariff.russianpost.ru/tariff/v1/calculate?json";

    private final String ABON_TARIFICATION_CODE = "312000";

    private final String CLIENT_PHYSICAL = "1";
    private final String CLIENT_LEGAL = "2";
    private final String CLIENT_PRIVELEGED = "3";

    private final String ACTION_FIRST_ORDER_1_MONTH = "1";  //Первичное заключение на 1 месяц
    private final String ACTION_PROLONGATION_1_MONTH = "2"; //Пролонгация на 1 месяц
    private final String ACTION_MONTHLY = "3";              //Каждый последующий месяц

    private final String PROLONGATION_KEY = "service";
    private final String PROLONGATION_VALUE = "45";

    private static final Logger LOG = Logger.getLogger(TarificatorService.class);

    private final String datePattern = "yyyyMMdd";

    private TarificatorResponse getTarificatorResponse(
            String region, String client, String month, String date, boolean prolongation) {

        UriComponentsBuilder urlBuilder = UriComponentsBuilder.fromHttpUrl(TARIFICATOR_HOST);

        urlBuilder.queryParam("object", ABON_TARIFICATION_CODE);
        urlBuilder.queryParam("region", region);
        urlBuilder.queryParam("client", client);
        urlBuilder.queryParam("month", month);
        urlBuilder.queryParam("date", date);
        if (prolongation) {
            urlBuilder.queryParam(PROLONGATION_KEY, PROLONGATION_VALUE);
        }

        String url = urlBuilder.build(false).encode().toUriString();

        System.out.println("link:" + url);

        RestTemplate rst = new RestTemplate();
        TarificatorResponse tarificatorResponse = null;

        try {
            tarificatorResponse = rst.getForObject(url, TarificatorResponse.class);
        } catch (Exception e) {
            LOG.error(ExceptionUtils.getStackTrace(e));
        }
        return tarificatorResponse;
    }


    public long getPaymentPhysical(String region, int month, LocalDate date, boolean prolongate) {
        String formattedDate = date.format(DateTimeFormatter.ofPattern(datePattern));
        TarificatorResponse tarificatorResponse = getTarificatorResponse(
                region,
                CLIENT_PHYSICAL,
                String.valueOf(month),
                formattedDate,
                prolongate);

        return null != tarificatorResponse.getPaynds() ?
                Long.valueOf(tarificatorResponse.getPaynds()) : -1L;
    }

    public long getPaymentLegal(String region, int month, LocalDate date, boolean prolongate) {
        String formattedDate = date.format(DateTimeFormatter.ofPattern(datePattern));
        TarificatorResponse tarificatorResponse = getTarificatorResponse(
                region,
                CLIENT_LEGAL,
                String.valueOf(month),
                formattedDate,
                prolongate);

        return null != tarificatorResponse.getPaynds() ?
                Long.valueOf(tarificatorResponse.getPaynds()) : -1L;
    }

    public long getPaymentPriveleged(String region, int month, LocalDate date, boolean prolongate) {
        String formattedDate = date.format(DateTimeFormatter.ofPattern(datePattern));
        TarificatorResponse tarificatorResponse = getTarificatorResponse(
                region,
                CLIENT_PRIVELEGED,
                String.valueOf(month),
                formattedDate,
                prolongate);

        return null != tarificatorResponse.getPaynds() ?
                Long.valueOf(tarificatorResponse.getPaynds()) : -1L;
    }

    public long getPaymentRefuse() {



        /*ZonedDateTime now = ZonedDateTime.now();
        ZonedDateTime startDate = claim.getStartDate();
        int reservationTerm = claim.getReservationTerm();
        ZonedDateTime endDate = serviceManager.getClaimService().calculateReservationDate(startDate, reservationTerm, ZoneId.systemDefault());
        long refundMonths = now.withDayOfMonth(1).until(endDate, MONTHS);
        Long claimTariff = getClaimTariff(claim);
        return ((now.isBefore(startDate)) ? reservationTerm : refundMonths) * claimTariff;*/
    }

}