package de.fd.fh;

import de.fd.fh.server.access.AccessContextEventListener;
import de.fd.fh.server.access.AccessRepository;
import de.fd.fh.server.access.AccessService;
import de.fd.fh.server.access.web.AccessController;
import de.fd.fh.server.game.GameRepository;
import de.fd.fh.server.game.GameService;
import de.fd.fh.server.game.web.GameController;
import de.fd.fh.server.user.UserContextEventListener;
import de.fd.fh.server.user.web.UserController;
import de.fd.fh.server.user.UserRepository;
import de.fd.fh.server.user.UserService;


import java.util.HashSet;
import java.util.Observable;
import java.util.Observer;
import java.util.Set;

import static spark.Spark.*;

public class ServerApp
{
    private static AccessRepository accessRepository;
    private static UserRepository userRepository;
    private static GameRepository gameRepository;

    private static AccessController accessController;
    private static UserController userController;
    private static GameController gameController;

    private static final Set<Observer> listeners = new HashSet<>();

    public static void main(String[] args)
    {
        initListeners();

        if (accessController == null && userController == null)
        {
            initRepositories();
            accessController = new AccessController((AccessService)
                    addListeners(new AccessService(accessRepository)));
            userController = new UserController((UserService)
                    addListeners(new UserService(userRepository)));
            gameController = new GameController(new GameService(gameRepository));
        }

        before("/*", (req, res) -> accessController.before(req));
        post("/accounts/registrate", accessController::registrate);
        post("/accounts/login", accessController::login);
        post("/accounts/logout", accessController::logout);
        delete("/accounts/:player_id", accessController::deletePlayer);

        post("/users", userController::updateUser);
        get("/users", userController::getCompleteUser);
        get("/users/:user_id", userController::getUser);

        post("/games", gameController::createGame);
        get("/games/:game_id", gameController::findGameById);
        get("/games/findByUser/:user_id", gameController::findRunningGamesOfUser);

        get("/hello", (req, res) -> "Hello World");

    }

    public static void initController(
            final AccessController accessController,
            final UserController userController,
            final GameController gameController
    )
    {
        ServerApp.userController = userController;
        ServerApp.accessController = accessController;
        ServerApp.gameController = gameController;
    }

    private static Object addListeners(Observable service)
    {
        listeners.forEach(service::addObserver);

        return service;
    }

    private static void initListeners()
    {
        listeners.add(new AccessContextEventListener(accessRepository));
        listeners.add(new UserContextEventListener(userRepository));
    }

    private static void initRepositories()
    {
        accessRepository = new AccessRepository();
        userRepository = new UserRepository();
        gameRepository = new GameRepository();
    }
}