package design.controller.userinput.menus;

import design.controller.userinput.Action;
import design.controller.userinput.Menu;
import design.controller.userinput.MenuOption;
import design.model.Golfer;
import design.runtime.Session;
import design.persistence.PersonalDatabase;
import design.model.undo.UndoManager;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class SelectUser extends Menu {
    private final PersonalDatabase personalDB = PersonalDatabase.instance();
    private final Action doAfter;
    private final Scanner scanner = new Scanner(System.in);

    public SelectUser(Action doAfter) {
        this.doAfter = doAfter;
    }

    @Override
    public String getTitle() {
        return "select user";
    }

    @Override
    public List<MenuOption> getMenuOptions() {
        var opts = new ArrayList<MenuOption>();

        for (Golfer i : personalDB.getGolfers()) {
            opts.add(new MenuOption(i.toString(), () -> login(i)));
        }

        opts.add(new MenuOption("<create>", () -> {
            System.out.print("Enter username: ");
            var username = scanner.nextLine();

            System.out.print("Enter full name: ");
            var fullName = scanner.nextLine();

            System.out.print("Enter password: ");
            var password = scanner.nextLine();

            try {
                personalDB.addGolfer(new Golfer(fullName, username, password));
            } catch (IOException ex) {
                throw new RuntimeException(ex);
            }
            this.present();
        }));

        return opts;
    }

    private void login(Golfer g) {
        System.out.print("Enter password: ");
        var password = scanner.nextLine();
        if (g.checkPassword(password)) {
            // Sets user in Session too
            Session.setCurrentGolfer(g);
            UndoManager.instance().purge();
            System.out.printf("Loaded user: %s%n", g);
            doAfter.onAction();
        } else {
            System.out.println("Incorrect password. ");
            this.present();
        }
    }
}