/**
  * Random draw teams for the event based on the players
  *
  * @return redirect
  **/
 public function drawTeams(Event $event, $createMatch = false)
 {
     // remove event teams first
     $event->teams()->delete();
     $playersPerTeam = $event->type == 'doubles' ? 2 : 1;
     $chunkedPlayers = $event->players->shuffle()->chunk($playersPerTeam);
     $teamNames = [];
     foreach ($chunkedPlayers as $chunk) {
         $team = new Team();
         do {
             $name = $team->getRandomTeamName();
         } while (in_array($name, $teamNames));
         $team->name = $name;
         $team->save();
         $team->players()->saveMany($chunk);
         $event->teams()->save($team);
         $teamNames[] = $team->name;
     }
     // should this redirect to create a match?
     if ($createMatch) {
         return redirect()->route('dashboard.events.addMatch', $event)->with('app-success', 'Teams have been generated randomly.');
     }
     return redirect()->route('dashboard.events.single', $event)->with('app-success', 'Teams have been generated randomly.');
 }