Complete this stage

package stage2;

import stage1.*;

import java.text.DecimalFormat;

import doNotModify.*;

public class TeamPerformance {
public String name;
public int gamesPlayed, gamesWon, gamesDrawn;
public int goalsScored, goalsConceded;

/**

* DO NOT MODIFY

* assumption: gamesPlayed, gamesWon AND gamesDrawn set correctly.

* @return number of games lost

*/

public int getGamesLost() {

return gamesPlayed - gamesWon - gamesDrawn;

}

/**

* DO NOT MODIFY

*/

public String toString() {

DecimalFormat formatter = new DecimalFormat("###");

return PrettyPrinterService.padRight(name, 15)+"Games played: "+formatter.format(gamesPlayed)+". Games won: "+formatter.format(gamesWon)+". Games drawn: "+formatter.format(gamesDrawn)+". Games lost: "+formatter.format(getGamesLost())+". Points: "+formatter.format(3*gamesWon + gamesDrawn)+". Goal difference: "+formatter.format(goalsScored - goalsConceded);

}

/**

* DO NOT MODIFY

* @return points based on the formula that every win gets you

* 3 points which every draw gets you 1 point

*/

public int getPoints() {

return 3*gamesWon + gamesDrawn;

}

/**

* DO NOT MODIFY

* @return the goal difference (goals scored minus goals conceded)

*/

public int getGoalDifference() {

return this.goalsScored - this.goalsConceded;

}

/**

* Some validation must be done.

*

* Games won cannot be more than games played.

* Once games won has been set, games drawn cannot be more than games played less games won.

*

* @param name: name of team

* @param played: number of games played

* @param won: number of games won

* @param drawn: number of games drawn

* @param gScored: goals scored

* @param gConceded: goals conceded

*

* Note: we are NOT handling some boundary scenarios here

* (for example, if goals scored = 0, games won cannot be more than 0,

* of if goals conceded = 0, games won + games drawn should be equal to games played)

*

*/

public TeamPerformance(String name, int played, int won, int drawn, int gScored, int gConceded) {

//to be completed

}

/**

* When the first match is added for a team, we don't need to pass

* 1 for gamesPlayed and a value for gamesWon. We can calculate that

* using goalsScored and goalsConceded.

*

* populate TeamPerformance using parameters passed.

* set gamesWon and gamesDrawn based on goals scored and goals conceded.

* Think about how that will be done

*

* @param name: name of team

* @param gScored: goals scored

* @param gConceded: goals conceded

*/

public TeamPerformance(String name, int gScored, int gConceded) {

//to be completed

}

/**

* return 1 if calling object has more points than that of parameter object

* return -1 if calling object has less points than that of parameter object

* in case the two have the same number of points -

* return 1 if calling object has a higher goal difference than that of parameter object

* return -1 if calling object has a lower goal difference than that of parameter object

* return 0 if calling object has the same goal difference as that of parameter object

*/

public int compareTo(TeamPerformance other) {

return 0; //to be completed

}

/**

* add the match passed to the teams record.

* note that the team corresponding to the calling object

* might be the home team or the away team (or neither!) in the game passed.

*

* based on different scenarios, the several attributes of the calling object

* need to be updated.

*

* for example,

* if calling object represents Chelsea's team performance and the

* match passed was between Arsenal and Liverpool, nothing changes for the calling object.

*

* if calling object represents Chelsea's team performance and the

* match passed was between Arsenal (Home) and Chelsea (Away),

* Chelsea's gamesPlayed increases by 1, and then based on who won,

* gamesWon or gamesDrawn will be updated. If Chelsea lost, neither gets changed,

* and getGamesLost() will return the correct value (as gamesPlayed HAS increased by 1).

* Away goals for Chelsea need to be updated too.

*

* Similar scenarios when Chelsea draws or wins away.

*

* Similar scenarios when Chelsea wins, draws or loses at home.

*

* Also, if the calling object doesn't match either the home team or the away team for the match,

* nothing should change.

* @param m: Match whose data should be added to teams performance

*/

public void addMatchRecord(Match m) {

//to be completed

}

}