[app-wiring-refactor]: Remove static initialisation

- Remove all enum static managers
- Introduce interfaces for the managers
- Define new application wiring class (`ManagerFactory`)
- Externalise the configuration

Mage.Server/src/main/java/mage/server/MainManagerFactory.java

@@ -0,0 +1,118 @@
+package mage.server;
+
+import mage.server.draft.DraftManager;
+import mage.server.game.GameManager;
+import mage.server.game.GamesRoomManager;
+import mage.server.game.ReplayManager;
+import mage.server.managers.*;
+import mage.server.tournament.TournamentManager;
+import mage.server.util.ThreadExecutor;
+
+public class MainManagerFactory implements ManagerFactory {
+
+    private final IConfigSettings configSettings;
+    private final IThreadExecutor threadExecutor;
+    private final IChatManager chatManager;
+    private final IDraftManager draftManager;
+    private final IGameManager gameManager;
+    private final IGamesRoomManager gamesRoomManager;
+    private final IMailClient mailClient;
+    private final IMailClient mailgunClient;
+    private final IReplayManager replayManager;
+    private final ISessionManager sessionManager;
+    private final ITableManager tableManager;
+    private final IUserManager userManager;
+    private final ITournamentManager tournamentManager;
+
+
+    public MainManagerFactory(IConfigSettings configSettings) {
+        this.configSettings = configSettings;
+        this.threadExecutor = new ThreadExecutor(configSettings);
+        this.mailClient = new MailClient(configSettings);
+        this.mailgunClient = new MailgunClient(configSettings);
+        this.chatManager = new ChatManager(this);
+        this.draftManager = new DraftManager(this);
+        this.gameManager = new GameManager(this);
+        this.replayManager = new ReplayManager(this);
+        this.sessionManager = new SessionManager(this);
+        this.tournamentManager = new TournamentManager(this);
+        final GamesRoomManager gamesRoomManager = new GamesRoomManager(this);
+        final TableManager tableManager = new TableManager(this);
+        final UserManager userManager = new UserManager(this);
+        this.gamesRoomManager = gamesRoomManager;
+        this.tableManager = tableManager;
+        this.userManager = userManager;
+        startThreads(gamesRoomManager, tableManager, userManager);
+    }
+
+    private void startThreads(GamesRoomManager gamesRoomManager, TableManager tableManager, UserManager userManager) {
+        userManager.init();
+        tableManager.init();
+        gamesRoomManager.init();
+    }
+
+    @Override
+    public IChatManager chatManager() {
+        return chatManager;
+    }
+
+    @Override
+    public IDraftManager draftManager() {
+        return draftManager;
+    }
+
+    @Override
+    public IGameManager gameManager() {
+        return gameManager;
+    }
+
+    @Override
+    public IGamesRoomManager gamesRoomManager() {
+        return gamesRoomManager;
+    }
+
+    @Override
+    public IMailClient mailClient() {
+        return mailClient;
+    }
+
+    @Override
+    public IMailClient mailgunClient() {
+        return mailgunClient;
+    }
+
+    @Override
+    public IReplayManager replayManager() {
+        return replayManager;
+    }
+
+    @Override
+    public ISessionManager sessionManager() {
+        return sessionManager;
+    }
+
+    @Override
+    public ITableManager tableManager() {
+        return tableManager;
+    }
+
+    @Override
+    public IUserManager userManager() {
+        return userManager;
+    }
+
+    @Override
+    public IConfigSettings configSettings() {
+        return configSettings;
+    }
+
+    @Override
+    public IThreadExecutor threadExecutor() {
+        return threadExecutor;
+    }
+
+    @Override
+    public ITournamentManager tournamentManager() {
+        return tournamentManager;
+    }
+}