package seng302.Model;

import org.geotools.referencing.GeodeticCalculator;
import seng302.Constants;
import seng302.GPSCoordinate;

/**
 * Created by cbt24 on 6/03/17.
 */
public class Leg {
    private String name; //nautical miles
    private double distance;
    private Marker startMarker;
    private Marker endMarker;
    private int legNumber;

    /**
     * Leg Initialiser
     *
     * @param name Name of the Leg
     */
    public Leg(String name, Marker start, Marker end, int number) {
        this.name = name;
        this.startMarker = start;
        this.endMarker = end;
        this.legNumber = number;
        this.distance = calculateDistance();
    }

    /**
     * Construction Method
     *
     * @param name Name of the Leg
     */
    public Leg(String name, int number) {
        this.name = name;
        this.legNumber = number;
    }

    /**
     * Returns the name of the Leg
     *
     * @return Returns the name of the Leg
     */
    public String getName() {
        return name;
    }

    /**
     * Get the distance in nautical miles
     *
     * @return Returns the total distance of the leg.
     */
    public double getDistance() {
        return distance;
    }


//    public Leg createCopy() {
//        Leg copy = new Leg(this.name, this.startMarker1, this.startMarker2,
//                                this.endMarker1, this.endMarker2, this.legNumber);
//        return copy;
//    }

    /**
     * Returns the leg number that the leg exists in the Race
     *
     * @return Returns the Leg
     * @see Race
     */
    public int getLegNumber() {
        return legNumber;
    }


    public void setName(String name) {
        this.name = name;
    }

    public void setDistance(double distance) {
        this.distance = distance;
    }

    public Marker getStartMarker() {
        return startMarker;
    }

    public void setStartMarker(Marker startMarker) {
        this.startMarker = startMarker;
    }

    public Marker getEndMarker() {
        return endMarker;
    }

    public void setEndMarker(Marker endMarker) {
        this.endMarker = endMarker;
    }

    public void setLegNumber(int legNumber) {
        this.legNumber = legNumber;
    }

    /**
     * Calculates the distance that the legs are in nautical miles (1.852 km).
     *
     * @return Returns the leg distance.
     */
    private double calculateDistance() {

        GeodeticCalculator calc = new GeodeticCalculator();
        //Load start and end of leg
        GPSCoordinate startMarker = this.startMarker.getAverageGPSCoordinate();
        GPSCoordinate endMarker = this.endMarker.getAverageGPSCoordinate();
        calc.setStartingGeographicPoint(startMarker.getLongitude(), startMarker.getLatitude());
        calc.setDestinationGeographicPoint(endMarker.getLongitude(), endMarker.getLatitude());
        return calc.getOrthodromicDistance() / Constants.NMToMetersConversion;

    }

}