package cse1030;

public class Location {
  private double latitude;
  private double longitude;
  
  public Location() {
    this(0.0, 0.0);
  }
  
  public Location(double lati, double longi) {
    this.setLatitude(lati);
    this.setLongitude(longi);
  }
  
  public Location(Location other) {
    // Could use constructor chaining, but this would perform an unnecessary
    // validation of the latitude and longitude
    this.latitude = other.latitude;
    this.longitude = other.longitude;
  }
  
  public double getLatitude() {
    return this.latitude;
  }

  public final void setLatitude(double latitude) {
    if (!Location.latitudeOk(latitude)) {
      throw new IllegalArgumentException("latitude out of range");
    }
    this.latitude = latitude;
  }

  public double getLongitude() {
    return this.longitude;
  }

  public final void setLongitude(double longitude) {
    if (!Location.longitudeOk(longitude)) {
      throw new IllegalArgumentException("longitude out of range");
    }
    this.longitude = longitude;
  }
  
  

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    long temp;
    temp = Double.doubleToLongBits(latitude);
    result = prime * result + (int) (temp ^ (temp >>> 32));
    temp = Double.doubleToLongBits(longitude);
    result = prime * result + (int) (temp ^ (temp >>> 32));
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (getClass() != obj.getClass())
      return false;
    Location other = (Location) obj;
    if (Double.doubleToLongBits(latitude) != Double
        .doubleToLongBits(other.latitude))
      return false;
    if (Double.doubleToLongBits(longitude) != Double
        .doubleToLongBits(other.longitude))
      return false;
    return true;
  }

  private static boolean latitudeOk(double lati) {
    return (lati >= -90.0 && lati <= 90.0);
  }
  
  private static boolean longitudeOk(double longi) {
    return (longi >= -90.0 && longi <= 90.0);
  }
}