package Application;

import Game.Game;
import Game.Tictactoe;
import Game.Chess;

import java.util.ArrayList;
import java.util.Scanner;

public class App {

    private boolean isRunning = false;
    private Cli cli;

    private boolean inMenu = true;
    private MenuManager menuManager;

    private Game currentGame;

    public App(Cli cli) {
        this.cli = cli;
        init();
    }

    private void init() {
        menuManager = initMenuManager();

        goToMenu();
    }

    public void start() {
        isRunning = true;
        while (isRunning) {
            String input = cli.getScanner().nextLine();
            if (input.equals("exit")) {
                stop();
                return;
            } else {
                if (inMenu) {
                    cli.clearConsole();
                    selectMenuItem(input);
                } else {
                    if (input.equals("q")) {
                        goToMenu();
                        continue;
                    }
                    cli.clearConsole();
                    currentGame.update(input);
                    currentGame.print(cli);
                }
            }
        }
    }

    public void stop() {
        isRunning = false;
        cli.getPrintStream().println("Stopping application...");
    }

    public boolean isRunning() {
        return isRunning;
    }

    public Game getCurrentGame() {
        return this.currentGame;
    }

    private MenuManager initMenuManager() {
        MenuManager mm = new MenuManager();
        ArrayList<Menu> gameList = new ArrayList<>();

        gameList.add(new Menu("Tic Tac Toe"));
        gameList.add(new Menu("Chess"));

        Menu gameMenu = new Menu("Games");

        gameMenu.addMenu(new Menu("Back"));
        for (Menu game : gameList) {
            game.addMenu(new Menu("Back"));
            gameMenu.addMenu(game);
        }
        mm.addMenu(gameMenu);

        return mm;
    }

    protected void selectMenuItem(String input) {
        Scanner scanner = new Scanner(input);

        if (input.equals("q") && !menuManager.inRootMenu()) {
            goToMenu();
        }

        if (scanner.hasNextInt()) {
            int index = scanner.nextInt() - 1;
            menuManager.select(index);
            if (menuManager.getCurrentMenu() != null) {
                switch (menuManager.getCurrentMenu().getName()) {
                    case "Back":
                        try {
                            menuManager.back();
                            menuManager.back();
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                        break;
                    case "Tic Tac Toe":
                        setCurrentGame(new Tictactoe());
                        return;
                    case "Chess":
                        setCurrentGame(new Chess());
                        return;
                    default:
                        break;
                }
            }
        }
        printMenu();
    }

    private void setCurrentGame(Game game) {
        inMenu = false;
        currentGame = game;
        cli.clearConsole();
        currentGame.print(cli);
    }

    private void goToMenu() {
        inMenu = true;
        currentGame = null;
        while (!menuManager.inRootMenu()) {
            try {
                menuManager.back();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        printMenu();
    }

    private void printMenu() {
        cli.clearConsole();
        cli.getPrintStream().println("Welcome to the Cli Arcade Service!");
        cli.getPrintStream().println("Type 'exit' at any time to stop the application");
        cli.getPrintStream().println("Select a item by typing the number next to it");

        cli.getPrintStream().print(menuManager.getFormattedMenuList());
    }
}