using System;
using System.Collections;
using System.Threading.Tasks;
using TMPro;
using Unity.Services.Authentication;
using UnityEngine;

public class AuntMenu : Menu<AuntMenu>
{
    [SerializeField] private GameObject loadingScreen;

    [Header("Register")] 
    [SerializeField] private TMP_InputField usernameFieldRegister;
    [SerializeField] private TMP_InputField nameFieldRegister;
    [SerializeField] private TMP_InputField paswordFieldRegister;
    [SerializeField] private TMP_InputField EmailFieldRegister;
    [SerializeField] private TMP_Dropdown dateAgeRegister;
    [SerializeField] private TMP_Dropdown monthAgeRegister;
    [SerializeField] private TMP_Dropdown yearAgeRegister;

    private string usernameRegister;
    private string EmailRegister;
    private string paswordRegister;
    private int calculatedAge;

    [SerializeField] private GameObject RegisterObj;
    [SerializeField] private GameObject InvalidAge;

    [Header("Login")] 
    [SerializeField] private TMP_InputField usernameFieldLogin;
    [SerializeField] private TMP_InputField paswordFieldLogin;
    private string usernameLogin;
    private string passwordLogin;

    SaveData saveData;

    private void OnEnable()
    {
        AuthenticationService.Instance.SignedIn += NextToMenu;
    }

    private void Start()
    {
        StartCoroutine(LoadingScreen());
    }

    IEnumerator LoadingScreen()
    {
        loadingScreen.SetActive(true);
        yield return new WaitForSeconds(2);
        loadingScreen.SetActive(false);
    }

    private void OnDisable()
    {
        AuthenticationService.Instance.SignedIn -= NextToMenu;
    }

    private bool IsRegisterFieldInvalid()
    {
        if (string.IsNullOrEmpty(usernameFieldRegister.text) ||
            string.IsNullOrEmpty(paswordFieldRegister.text) ||
            string.IsNullOrEmpty(EmailFieldRegister.text))
        {
            Debug.LogWarning("Some required fields are empty!");
            return true;
        }
        return false;
    }

    public async void Login()
    {
        usernameLogin = usernameFieldLogin.text.Trim();
        passwordLogin = paswordFieldLogin.text.Trim();

        if (string.IsNullOrEmpty(usernameLogin) || string.IsNullOrEmpty(passwordLogin))
        {
            Debug.LogWarning("Username or password is empty!");
            return;
        }

        await AuthenticationManager.SigninUsernamePassword(usernameLogin, passwordLogin);

        usernameFieldLogin.text = "";
        paswordFieldLogin.text = "";
    }

    private void NextToMenu()
    {
        MainMenu.Open();
        Debug.Log("MainMenu Open");
    }

    public async void Register()
    {
        if (IsRegisterFieldInvalid()) return;

        usernameRegister = usernameFieldRegister.text;
        paswordRegister = paswordFieldRegister.text;
        EmailRegister = EmailFieldRegister.text;

        int day = dateAgeRegister.value + 1; 
        int month = monthAgeRegister.value + 1;
        int year = int.Parse(yearAgeRegister.options[yearAgeRegister.value].text);

        DateTime birthDate = new DateTime(year, month, day);
        calculatedAge = CalculateAge(birthDate);
        //
        // if (calculatedAge < 6 || calculatedAge > 12)
        // {
        //     Debug.LogWarning("Age must be between 6 and 12 years!");
        //     Debug.Log(calculatedAge);
        //     InvalidAge.SetActive(true);
        //     return;
        // }

        await AuthenticationManager.SignUpUsernamePassword(usernameRegister, paswordRegister, EmailRegister, calculatedAge.ToString());

        SaveData dataToSave = new SaveData();
        dataToSave.playerName = nameFieldRegister.text;
        dataToSave.agePlayer = calculatedAge.ToString();
        dataToSave.username = CryptoUtility.Encrypt(usernameRegister);
        dataToSave.password = CryptoUtility.Encrypt(paswordRegister);

        await Cloudsave.SaveData(dataToSave, "DataPlayer");
    }

    private int CalculateAge(DateTime birthDate)
    {
        DateTime today = DateTime.Today;
        int age = today.Year - birthDate.Year;
        if (birthDate.Date > today.AddYears(-age)) age--;
        return age;
    }
}