package de.ph87.homeautomation.knx.group;

import lombok.AccessLevel;
import lombok.Getter;
import lombok.Setter;
import lombok.ToString;
import tuwien.auto.calimero.GroupAddress;

import javax.persistence.*;
import java.time.Duration;
import java.time.ZonedDateTime;

@Getter
@Setter
@ToString
@Entity
public class KnxGroup {

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

  @Column(unique = true)
  private int addressRaw;

  @Column(unique = true)
  private String addressStr;

  private String dpt;

  private byte[] value;

  private ZonedDateTime valueTimestamp;

  private byte[] sendValue;

  private int readInterval;

  @Embedded
  private ComInfo read = new ComInfo();

  @Embedded
  private ComInfo send = new ComInfo();

  public void setAddress(final int rawAddress) {
    setAddress(new GroupAddress(rawAddress));
  }

  public void setAddress(final int main, final int middle, final int sub) {
    setAddress(new GroupAddress(main, middle, sub));
  }

  public void setAddress(final GroupAddress groupAddress) {
    this.addressRaw = groupAddress.getRawAddress();
    this.addressStr = groupAddress.toString();
  }

  public GroupAddress getAddress() {
    return new GroupAddress(addressRaw);
  }

  public void setReadInterval(final int readInterval) {
    if (readInterval <= 0) {
      this.readInterval = 0;
    } else {
      this.readInterval = readInterval;
      if (read.getNextTimestamp() == null || Duration.between(ZonedDateTime.now(), read.getNextTimestamp()).toSeconds() > this.readInterval) {
        updateNextReadTimestamp();
      }
    }
  }

  public void updateNextReadTimestamp() {
    if (read.getErrorCount() == 0) {
      if (this.readInterval <= 0) {
        read.setNextTimestamp(null);
      } else {
        read.setNextTimestamp(ZonedDateTime.now().plusSeconds(read.getNextTimestamp() == null ? 0 : this.readInterval));
      }
    }
  }

}