package de.ph87.homeautomation.schedule.entry;

import com.luckycatlabs.sunrisesunset.Zenith;
import de.ph87.homeautomation.bulk.Bulk;
import de.ph87.homeautomation.property.Property;
import de.ph87.homeautomation.schedule.Schedule;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

import javax.persistence.*;
import java.time.ZonedDateTime;
import java.util.Random;

@Getter
@Setter
@Entity
@NoArgsConstructor
public class ScheduleEntry {

  private static final Random RANDOM = new Random(System.currentTimeMillis());

  @Id
  @GeneratedValue
  @Setter(AccessLevel.NONE)
  private Long id;

  @ManyToOne
  private Schedule schedule;

  private int position;

  private boolean enabled = false;

  private boolean monday = true;

  private boolean tuesday = true;

  private boolean wednesday = true;

  private boolean thursday = true;

  private boolean friday = true;

  private boolean saturday = true;

  private boolean sunday = true;

  @Column(nullable = false)
  private ScheduleEntryType type = ScheduleEntryType.TIME;

  private double zenith = Zenith.CIVIL.degrees().doubleValue();

  @Column(name = "hour_")
  private int hour = 0;

  @Column(name = "minute_")
  private int minute = 0;

  @Column(name = "second_")
  private int second = 0;

  private int fuzzySeconds = 0;

  @ManyToOne
  private Property property;

  @Column(name = "value_")
  private double value;

  @ManyToOne
  private Bulk bulk;

  private ZonedDateTime nextClearTimestamp;

  private ZonedDateTime lastClearTimestamp;

  @Setter(AccessLevel.NONE)
  private ZonedDateTime nextFuzzyTimestamp;

  public ScheduleEntry(final Schedule schedule) {
    this.schedule = schedule;
    this.position = schedule.getEntries().size();
  }

  public void setNextClearTimestamp(final ZonedDateTime next) {
    nextClearTimestamp = next;
    if (nextClearTimestamp == null) {
      nextFuzzyTimestamp = null;
    } else {
      final int rangeFull = 2 * fuzzySeconds;
      final int fuzzySeconds = rangeFull > 0 ? RANDOM.nextInt(rangeFull) - this.fuzzySeconds : 0;
      nextFuzzyTimestamp = nextClearTimestamp.plusSeconds(fuzzySeconds);
    }
  }

  @Override
  public String toString() {
    final StringBuilder builder = new StringBuilder();
    builder.append(getClass().getSimpleName());
    builder.append("(id=");
    builder.append(id);
    builder.append(", enabled=");
    builder.append(enabled);
    builder.append(", type=");
    builder.append(type);
    builder.append(", weekdays=");
    builder.append(monday ? "Mon" : "___");
    builder.append(tuesday ? "Tue" : "___");
    builder.append(wednesday ? "Wed" : "___");
    builder.append(thursday ? "Thu" : "___");
    builder.append(friday ? "Fri" : "___");
    builder.append(saturday ? "Sat" : "___");
    builder.append(sunday ? "Sun" : "___");
    if (type != null) {
      switch (type) {
        case TIME:
          builder.append(", hour=");
          builder.append(hour);
          builder.append(", minute=");
          builder.append(minute);
          builder.append(", second=");
          builder.append(second);
          break;
        case SUNRISE:
        case SUNSET:
          builder.append(", zenith=");
          builder.append(zenith);
          break;
      }
    }
    builder.append(")");
    return builder.toString();
  }

}