package io.vertx.pgclient.data;

import io.vertx.codegen.annotations.DataObject;
import io.vertx.core.json.JsonObject;

import java.util.ArrayList;
import java.util.List;

Path data type in Postgres represented by lists of connected points.
Paths can be open, where the first and last points in the list are considered not connected,
or closed, where the first and last points are considered connected.
/**
 * Path data type in Postgres represented by lists of connected points.
 * Paths can be open, where the first and last points in the list are considered not connected,
 * or closed, where the first and last points are considered connected.
 */
public class Path {
  private boolean isOpen;
  private List<Point> points;

  public Path() {
    this(false, new ArrayList<>());
  }

  public Path(boolean isOpen, List<Point> points) {
    this.isOpen = isOpen;
    this.points = points;
  }

  public boolean isOpen() {
    return isOpen;
  }

  public void setOpen(boolean open) {
    isOpen = open;
  }

  public List<Point> getPoints() {
    return points;
  }

  public void setPoints(List<Point> points) {
    this.points = points;
  }

  public Path addPoint(Point point) {
    if (points == null ) {
      points = new ArrayList<>();
    }
    points.add(point);
    return this;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    Path path = (Path) o;

    if (isOpen != path.isOpen) return false;
    return points.equals(path.points);
  }

  @Override
  public int hashCode() {
    int result = (isOpen ? 1 : 0);
    result = 31 * result + points.hashCode();
    return result;
  }

  @Override
  public String toString() {
    String left;
    String right;
    if (isOpen) {
      left = "[";
      right = "]";
    } else {
      left = "(";
      right = ")";
    }
    StringBuilder stringBuilder = new StringBuilder();
    stringBuilder.append("Path");
    stringBuilder.append(left);
    for (int i = 0; i < points.size(); i++) {
      Point point = points.get(i);
      stringBuilder.append(point.toString());
      if (i != points.size() - 1) {
        // not the last one
        stringBuilder.append(",");
      }
    }
    stringBuilder.append(right);
    return stringBuilder.toString();
  }
}