package de.ph87.data.demo;

import de.ph87.data.series.Series;
import de.ph87.data.series.SeriesMode;
import de.ph87.data.series.SeriesRepository;
import de.ph87.data.series.measure.MeasureEvent;
import de.ph87.data.series.period.PeriodRepository;
import de.ph87.data.series.period.consumption.ConsumptionRepository;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.context.event.ApplicationStartedEvent;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.event.EventListener;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.ZoneId;
import java.time.ZonedDateTime;

import static de.ph87.data.grid.GridReceiver.GRID_DELIVERY_SERIES_NAME;
import static de.ph87.data.grid.GridReceiver.GRID_PURCHASE_SERIES_NAME;
import static de.ph87.data.oil.OilController.OIL_SERIES_NAME;
import static de.ph87.data.photovoltaic.PhotovoltaicMqttReceiver.PHOTOVOLTAIC_ENERGY_SERIES_NAME;

@Slf4j
@Service
@Transactional
@RequiredArgsConstructor
@SuppressWarnings("SameParameterValue")
public class DemoService {

  private final ApplicationEventPublisher applicationEventPublisher;

  private final SeriesRepository seriesRepository;

  private final PeriodRepository periodRepository;

  private final ConsumptionRepository consumptionRepository;

  @EventListener(ApplicationStartedEvent.class)
  public void startup() {
    series(PHOTOVOLTAIC_ENERGY_SERIES_NAME, SeriesMode.INCREASING);
    series(GRID_PURCHASE_SERIES_NAME, SeriesMode.INCREASING);
    series(GRID_DELIVERY_SERIES_NAME, SeriesMode.INCREASING);

    final Series oil = series(OIL_SERIES_NAME, SeriesMode.DECREASING);
    oil.setPeriod(null);
    consumptionRepository.deleteAllByIdPeriodSeries(oil);
    periodRepository.deleteAllBySeries(oil);
    oil(2020, 8, 10, 189, 4500);
    oil(2020, 8, 22, 4275);
    oil(2021, 5, 27, 1050, 4500);
    oil(2021, 11, 25, 3213);
    oil(2022, 3, 3, 999, 2664);
    oil(2022, 3, 7, 2550);
    oil(2022, 3, 11, 2439);
    oil(2022, 4, 12, 1968);
    oil(2022, 5, 6, 1767, 4464);
    oil(2022, 7, 20, 4275);
    oil(2022, 9, 5, 4200);
    oil(2022, 9, 27, 4071);
    oil(2022, 11, 22, 3675);
    oil(2022, 12, 4, 3513);
    oil(2022, 12, 15, 3342);
    oil(2022, 12, 19, 3213);
    oil(2023, 1, 8, 2964);
    oil(2023, 2, 14, 2334);
    oil(2023, 4, 3, 1734);
    oil(2023, 4, 12, 1500, 4500);
    oil(2023, 5, 8, 4389);
    oil(2023, 9, 24, 4071);
    oil(2024, 9, 12, 1275, 4575);
  }

  private Series series(@NonNull final String name, @NonNull final SeriesMode mode) {
    return seriesRepository.findByNameOrAliasesContains(name, name).orElseGet(() -> seriesRepository.save(new Series(name, mode)));
  }

  private void oil(final int year, final int month, final int day, final int beforeRefill, final int afterRefill) {
    oil2(year, month, day, 0, beforeRefill);
    oil2(year, month, day, 1, afterRefill);
  }

  private void oil(final int year, final int month, final int day, final int value) {
    oil2(year, month, day, 0, value);
  }

  private void oil2(final int year, final int month, final int day, final int second, final int value) {
    final ZonedDateTime date = ZonedDateTime.of(year, month, day, 12, 0, second, 0, ZoneId.systemDefault());
    applicationEventPublisher.publishEvent(new MeasureEvent(OIL_SERIES_NAME, "", date, value));
  }

}