using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using UnityEngine.UI;

public class LoginScene : BaseSceneLogic {
    private GameObject LoginScreen;
    private Text Status;
    private GameObject LoginForm;
    private Text ErrorMessage;
    private InputField Username;
    private InputField Password;
    private Button LoginButton;
    private Button QuitButton;

    void Start()
    {
        InitUI();
    }

    public override void InitUI()
    {
        LoginScreen = GameObject.Find("/UIOverlay/LoginScreen");
        Status = LoginScreen.transform.FindChild("Status").GetComponent<Text>();
        Status.text = "Loading...";
        LoginForm = LoginScreen.transform.FindChild("LoginForm").gameObject;
        LoginForm.SetActive(false);
        ErrorMessage = LoginForm.transform.FindChild("ErrorMessage").GetComponent<Text>();
        Username = LoginForm.transform.FindChild("UsernameField").GetComponent<InputField>();
        Password = LoginForm.transform.FindChild("PasswordField").GetComponent<InputField>();
        LoginButton = LoginForm.transform.FindChild("LoginButton").GetComponent<Button>();
        LoginButton.onClick.AddListener(LoginButton_Click);
        QuitButton = LoginForm.transform.FindChild("QuitButton").GetComponent<Button>();
        QuitButton.onClick.AddListener(QuitButton_Click);
    }

    private void LoginButton_Click()
    {
        ErrorMessage.text = "";
        string username = Username.text;
        if (username.Length == 0)
        {
            ErrorMessage.text = "Please enter a username/email";
            return;
        }
        string password = Password.text;
        if (password.Length == 0)
        {
            ErrorMessage.text = "Please enter a password";
            return;
        }
        NetworkManager.Instance.TryLogin(username, password);
    }

    private void QuitButton_Click()
    {
        GameManager.Instance.QuitGame();
    }
}