MeteoSystem/app/src/main/java/cc/pogoda/mobile/pogodacc/activity/trend/wind/WindTrendViewModel.java

package cc.pogoda.mobile.pogodacc.activity.trend.wind;

import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.ViewModel;

import org.threeten.bp.LocalDateTime;
import org.threeten.bp.ZoneOffset;
import org.threeten.bp.format.DateTimeFormatter;
import org.threeten.bp.format.FormatStyle;

import cc.pogoda.mobile.pogodacc.config.AppConfiguration;
import cc.pogoda.mobile.pogodacc.dao.TrendDao;
import cc.pogoda.mobile.pogodacc.type.web.Trend;

public class WindTrendViewModel extends ViewModel {

    public void setStation(String station) {
        this.station = station;
    }

    private String station = "";

    private TrendDao trendDao;

    private MutableLiveData<String> displayedStationName;
    private MutableLiveData<String> lastMeasuremenetTime;

    private MutableLiveData<String> currentMeanValue;
    private MutableLiveData<String> twoHoursMeanValue;
    private MutableLiveData<String> fourHoursMeanValue;
    private MutableLiveData<String> sixHoursMeanValue;
    private MutableLiveData<String> eightHoursMeanValue;

    private MutableLiveData<String> currentGustValue;
    private MutableLiveData<String> twoHoursGustValue;
    private MutableLiveData<String> fourHoursGustValue;
    private MutableLiveData<String> sixHoursGustValue;
    private MutableLiveData<String> eightHoursGustValue;

    public MutableLiveData<String> getDisplayedStationName() {
        return displayedStationName;
    }

    public MutableLiveData<String> getLastMeasuremenetTime() {
        return lastMeasuremenetTime;
    }

    public MutableLiveData<String> getCurrentMeanValue() {
        return currentMeanValue;
    }

    public MutableLiveData<String> getTwoHoursMeanValue() {
        return twoHoursMeanValue;
    }

    public MutableLiveData<String> getFourHoursMeanValue() {
        return fourHoursMeanValue;
    }

    public MutableLiveData<String> getSixHoursMeanValue() {
        return sixHoursMeanValue;
    }

    public MutableLiveData<String> getEightHoursMeanValue() {
        return eightHoursMeanValue;
    }

    public MutableLiveData<String> getCurrentGustValue() {
        return currentGustValue;
    }

    public MutableLiveData<String> getTwoHoursGustValue() {
        return twoHoursGustValue;
    }

    public MutableLiveData<String> getFourHoursGustValue() {
        return fourHoursGustValue;
    }

    public MutableLiveData<String> getSixHoursGustValue() {
        return sixHoursGustValue;
    }

    public MutableLiveData<String> getEightHoursGustValue() {
        return eightHoursGustValue;
    }



    public WindTrendViewModel() {
        trendDao = new TrendDao();

        displayedStationName = new MutableLiveData<String>();
        lastMeasuremenetTime = new MutableLiveData<String>();

        currentMeanValue = new MutableLiveData<String>();
        twoHoursMeanValue = new MutableLiveData<String>();
        fourHoursMeanValue = new MutableLiveData<String>();
        sixHoursMeanValue = new MutableLiveData<String>();
        eightHoursMeanValue = new MutableLiveData<String>();

        currentGustValue = new MutableLiveData<String>();
        twoHoursGustValue = new MutableLiveData<String>();
        fourHoursGustValue = new MutableLiveData<String>();
        sixHoursGustValue = new MutableLiveData<String>();
        eightHoursGustValue = new MutableLiveData<String>();

    }

    public void updateData() {
        Trend trend = trendDao.getStationTrend(station);

        // format the time and date according to current locale
        String dt = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM, FormatStyle.SHORT).format(LocalDateTime.ofEpochSecond(trend.last_timestamp, 0, ZoneOffset.UTC).atOffset(ZoneOffset.UTC).atZoneSameInstant(ZoneOffset.systemDefault()));

        if (trend != null) {
            lastMeasuremenetTime.postValue(dt);
            displayedStationName.postValue(trend.displayed_name);

            if (!trend.current_wind_qf.equals("NOT_AVALIABLE")) {
                if (AppConfiguration.replaceMsWithKnots) {
                    // if knots
                    currentMeanValue.postValue(String.format("%.0f kts", trend.average_wind_speed_trend.current_value));
                    twoHoursMeanValue.postValue(String.format("%.0f kts", trend.average_wind_speed_trend.two_hours_value));
                    fourHoursMeanValue.postValue(String.format("%.0f kts", trend.average_wind_speed_trend.four_hours_value));
                    sixHoursMeanValue.postValue(String.format("%.0f kts", trend.average_wind_speed_trend.six_hours_value));
                    eightHoursMeanValue.postValue(String.format("%.0f kts", trend.average_wind_speed_trend.eight_hours_value));

                    currentGustValue.postValue(String.format("%.0f kts", trend.maximum_wind_speed_trend.current_value));
                    twoHoursGustValue.postValue(String.format("%.0f kts", trend.maximum_wind_speed_trend.two_hours_value));
                    fourHoursGustValue.postValue(String.format("%.0f kts", trend.maximum_wind_speed_trend.four_hours_value));
                    sixHoursGustValue.postValue(String.format("%.0f kts", trend.maximum_wind_speed_trend.six_hours_value));
                    eightHoursGustValue.postValue(String.format("%.0f kts", trend.maximum_wind_speed_trend.eight_hours_value));
                } else {
                    // if meters per second
                    currentMeanValue.postValue(String.format("%.1f m/s", trend.average_wind_speed_trend.current_value));
                    twoHoursMeanValue.postValue(String.format("%.1f m/s", trend.average_wind_speed_trend.two_hours_value));
                    fourHoursMeanValue.postValue(String.format("%.1f m/s", trend.average_wind_speed_trend.four_hours_value));
                    sixHoursMeanValue.postValue(String.format("%.1f m/s", trend.average_wind_speed_trend.six_hours_value));
                    eightHoursMeanValue.postValue(String.format("%.1f m/s", trend.average_wind_speed_trend.eight_hours_value));

                    currentGustValue.postValue(String.format("%.1f m/s", trend.maximum_wind_speed_trend.current_value));
                    twoHoursGustValue.postValue(String.format("%.1f m/s", trend.maximum_wind_speed_trend.two_hours_value));
                    fourHoursGustValue.postValue(String.format("%.1f m/s", trend.maximum_wind_speed_trend.four_hours_value));
                    sixHoursGustValue.postValue(String.format("%.1f m/s", trend.maximum_wind_speed_trend.six_hours_value));
                    eightHoursGustValue.postValue(String.format("%.1f m/s", trend.maximum_wind_speed_trend.eight_hours_value));
                }
            } else {
                currentMeanValue.postValue("--");
                twoHoursMeanValue.postValue("--");
                fourHoursMeanValue.postValue("--");
                sixHoursMeanValue.postValue("--");
                eightHoursMeanValue.postValue("--");

                currentGustValue.postValue("--");
                twoHoursGustValue.postValue("--");
                fourHoursGustValue.postValue("--");
                sixHoursGustValue.postValue("--");
                eightHoursGustValue.postValue("--");
            }
        }
    }

}