/* File: Team.java - March 2011 */
package l08;

/**
* A container class for a team's record: wins, losses, draws and
* goal difference. Intended as an illustration of the Comparable interface.
*
* @author Michael Albert
*
*/

public class Team implements Comparable<Team>{

  public static final int WIN_POINTS = 3;
  public static final int DRAW_POINTS = 1;

  private String name;
  private int wins = 0;
  private int draws = 0;
  private int losses = 0;
  private int goalDifference = 0;

  public Team(String name) {
    this.name = name;
  }

  public void addResult(int goalsFor, int goalsAgainst) {
    if (goalsFor > goalsAgainst) {
      wins++;
    } else if (goalsFor < goalsAgainst) {
      losses++;
    } else {
      draws++;
    }

    goalDifference += goalsFor - goalsAgainst;
  }


  public int getPoints() {
    return wins*WIN_POINTS + draws*DRAW_POINTS;
  }

  public int compareTo(Team other) {

    // First compare based on total points
    int pointsDifference = this.getPoints() - other.getPoints();
    if (pointsDifference != 0) {
      return pointsDifference;
    }

    // If that doesn't work, try goal difference
    int gd = this.goalDifference - other.goalDifference;
    if (gd != 0) {
      return gd;
    }

    // As a last resort compare alphabetically
    return this.name.compareTo(other.name);

  }

  public String getName() {
    return name;
  }

  public String toString() {
    return name + " " + getPoints() + " points " + 
      "(W: " + wins + 
      ", L: "  + losses + 
      ", D: " + draws + 
      ", GD: " + goalDifference +")";
  }
}