package soccerteam;

public class SoccerTeam {
private String name;
private SoccerPlayer[] groep;


 public SoccerTeam(String name) {
        this.name = name;
        this.groep = new SoccerPlayer[11];
    }

    public SoccerTeam(String name, SoccerPlayer[] groep) {
        this.name = name;
        this.groep = groep;
    }


public boolean addPlayer(SoccerPlayer player){
    // eerst kijken of de speler al bestaat
    for (int i = 0; i < this.groep.length; i++) {
        if (this.groep[i]!= null){
            if (this.groep[i].equals(player)){
                return false;
            }
        }
    }
    // kijken of er al een keeper in de ploeg zit.
    if (player.getPosition().equals(SoccerPlayer.Position.GK)) {
        for (int i = 0; i < this.groep.length; i++) {
            if (this.groep[i]!=null){
                if(this.groep[i].getPosition().equals(SoccerPlayer.Position.GK)){
                    return false;
                }
            }
        }

    }
    for (int i = 0; i < this.groep.length; i++) {
        if (this.groep[i] == null){
               this.groep[i]= player;
               return true;
        }
    }
        return false;
}


public double getAverageAge(){
    double somLeeftijd = 0 ;
    int aantal = 0;
    for (int i = 0; i < this.groep.length; i++) {
        if(this.groep[i]!=null){
            somLeeftijd = somLeeftijd + this.groep[i].getAge();
            aantal++;
        }
    }
    if (aantal == 0){
        return 0.0;
    }else {
        return somLeeftijd/aantal;
    }


}
public String getFormation(){
    int iVerdedigers = 0;
    int iMiddenvelders = 0;
    int iAanvallers = 0;
    for (int i = 0; i < 11; i++) {

        if (this.groep[i]!= null){
            switch (this.groep[i].getPosition()) {
                case GK: /* Goalkeeper */
                    break;
                case DF: /* Defender */
                    iVerdedigers++;
                    break;
                case MF: /* Midfield */
                    iMiddenvelders++;
                    break;
                case FW:
                    iAanvallers++;
                    break;
                default:
                    throw new AssertionError();
            }
        }
    }
    return iVerdedigers + "-" + iMiddenvelders + "-" + iAanvallers;
}

    public String getName() {
        return this.name;
    }

   public SoccerPlayer[] getPlayers(){
        return this.groep.clone();
   }

public SoccerPlayer[] getPlayersAt(SoccerPlayer.Position position){
SoccerPlayer[] playersAt = new SoccerPlayer[11];
playersAt = this.groep.clone();
    for (int i = 0; i < playersAt.length; i++) {
        if (playersAt[i].getPosition()!= position) {
            playersAt[i] = null;
        }
    }
return playersAt;
}

public boolean isPlayerAlreadyInTeam(SoccerPlayer player){
    for (int i = 0; i < this.groep.length; i++) {
        if (this.groep[i]!= null){
            if (this.groep[i].equals(player)){
                return true;
            }
        }
    }
return false;
}


public boolean substitute(SoccerPlayer out, SoccerPlayer in){
    if (this.isPlayerAlreadyInTeam(in)){
        return false;
    }
    if (!this.isPlayerAlreadyInTeam(out)){
        return false;
    }

        if (((!out.getPosition().equals(SoccerPlayer.Position.GK)) && (!in.getPosition().equals(SoccerPlayer.Position.GK))) || ((out.getPosition().equals(SoccerPlayer.Position.GK)) && (in.getPosition().equals(SoccerPlayer.Position.GK)))){
        for (int i = 0; i < this.groep.length; i++) {
            if (this.groep[i].equals(out)) {
                this.groep[i] = in;
                return true;
            }
        }
    }
    return false;

}


    public static void main(String[] args) {
       SoccerTeam team = new SoccerTeam("Rode Duivels");
        SoccerPlayer sp1 = new SoccerPlayer("Speler1Fn","Speler1LN",21,SoccerPlayer.Position.GK);
        SoccerPlayer sp2 = new SoccerPlayer("Speler2Fn","Speler2LN",22,SoccerPlayer.Position.FW);
        SoccerPlayer sp3 = new SoccerPlayer("Speler3Fn","Speler3LN",23,SoccerPlayer.Position.MF);
        SoccerPlayer sp4 = new SoccerPlayer("Speler4Fn","Speler4LN",24,SoccerPlayer.Position.MF);
        SoccerPlayer sp5 = new SoccerPlayer("Speler5Fn","Speler5LN",25,SoccerPlayer.Position.DF);
        SoccerPlayer sp6 = new SoccerPlayer("Speler6Fn","Speler6LN",25,SoccerPlayer.Position.DF);
        SoccerPlayer sp7 = new SoccerPlayer("Speler7Fn","Speler7LN",25,SoccerPlayer.Position.DF);
        SoccerPlayer sp8 = new SoccerPlayer("Speler8Fn","Speler8LN",25,SoccerPlayer.Position.DF);
        SoccerPlayer sp9 = new SoccerPlayer("Speler9Fn","Speler9LN",25,SoccerPlayer.Position.DF);
        SoccerPlayer sp10 = new SoccerPlayer("Speler10Fn","Speler10LN",25,SoccerPlayer.Position.DF);
        SoccerPlayer sp11 = new SoccerPlayer("Speler11Fn","Speler11LN",25,SoccerPlayer.Position.DF);
        SoccerPlayer sp12 = new SoccerPlayer("Speler12Fn","Speler12LN",25,SoccerPlayer.Position.DF);
        SoccerPlayer sp13 = new SoccerPlayer("Speler13Fn","Speler13LN",25,SoccerPlayer.Position.DF);
        SoccerPlayer sp14 = new SoccerPlayer("Speler14Fn","Speler14LN",25,SoccerPlayer.Position.GK);

//        System.out.println(sp1.getAge());
        team.addPlayer(sp1);
        team.addPlayer(sp2);
        team.addPlayer(sp3);
        team.addPlayer(sp4);
        team.addPlayer(sp5);
        team.addPlayer(sp6);
        team.addPlayer(sp7);
        team.addPlayer(sp8);
        team.addPlayer(sp9);
        team.addPlayer(sp10);
        team.addPlayer(sp11);
        team.addPlayer(sp12);
        team.addPlayer(sp13);
//        System.out.println(team.getFormation());
//        System.out.println(team.getAverageAge()); // output: 0.0
        System.out.println(team.substitute(sp1, sp14));

    }

}