package de.ph87.data.series;

import de.ph87.data.log.AbstractEntityLog;
import jakarta.annotation.Nullable;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.EnumType;
import jakarta.persistence.Enumerated;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.Version;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import lombok.Setter;
import lombok.ToString;

import java.time.ZonedDateTime;

@Entity
@Getter
@ToString
@NoArgsConstructor
public class Series extends AbstractEntityLog {

  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private long id;

  @Version
  private long version;

  @NonNull
  @Column(nullable = false, unique = true)
  private String name;

  @Setter
  @NonNull
  @Column(nullable = false)
  private String unit;

  @Setter
  @Column(nullable = false)
  private int decimals;

  @Column
  @Nullable
  private ZonedDateTime first = null;

  @Column
  @Nullable
  private ZonedDateTime last = null;

  @Nullable
  @Column(name = "`value`")
  private Double value = null;

  @Setter
  @Column(nullable = false)
  private int expectedEverySeconds = 5;

  @Setter
  @NonNull
  @Column(nullable = false)
  @Enumerated(EnumType.STRING)
  private SeriesType type;

  public Series(@NonNull final String name, @NonNull final String unit, final int decimals, final int expectedEverySeconds, @NonNull final SeriesType type) {
    this.name = name;
    this.unit = unit;
    this.decimals = decimals;
    this.expectedEverySeconds = expectedEverySeconds;
    this.type = type;
  }

  public void update(@NonNull final ZonedDateTime timestamp, final double value) {
    if (this.last == null || this.last.isBefore(timestamp)) {
      this.last = timestamp;
      this.value = value;
    }
  }

}