using Firebase.Auth;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Firebase;
using Firebase.Unity.Editor;
using Firebase.Database;
using System.Threading.Tasks;

public class User
{
    public string uid;
    public int searching = 0;

    public User()
    {
    }

    public User(string uid, int searching)
    {
        this.uid = uid;
        this.searching = searching;
    }

    public Dictionary<string, object> ToDictionary()
    {
        Dictionary<string, object> result = new Dictionary<string, object>();
        result["uid"] = uid;
        result["points"] = searching;

        return result;
    }
}

public class Registration : MonoBehaviour {

    private FirebaseAuth auth;

    void Start ()
    {
        auth = FirebaseAuth.DefaultInstance;
    }

    public void HandleRegistering()
    {
        string email = transform.parent.GetChild(2).gameObject.GetComponent<InputField>().text;
        string password = transform.parent.GetChild(3).gameObject.GetComponent<InputField>().text;
        string repeatedPassword = transform.parent.GetChild(4).gameObject.GetComponent<InputField>().text;
        Register(email, password, repeatedPassword);
    }

    private void Register(string email, string password, string repeatedPassword)
    {
        if (!string.Equals(password, repeatedPassword))
        {
            Debug.Log("Niezgodnosc hasla i powtorzonego hasla");
            return;
        }
        if (string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password))
        {
            //Error handling
            return;
        }

        auth.CreateUserWithEmailAndPasswordAsync(email, password).ContinueWith(task =>
        {
            if (task.IsCanceled)
            {
                Debug.LogError("CreateUserWithEmailAndPasswordAsync was canceled.");
                return;
            }
            if (task.IsFaulted)
            {
                Debug.LogError("CreateUserWithEmailAndPasswordAsync error: " + task.Exception);
                if (task.Exception.InnerExceptions.Count > 0)
                    UpdateErrorMessage(task.Exception.InnerExceptions[0].Message);
                return;
            }

            FirebaseUser newUser = task.Result; // Firebase user has been created.
            Debug.LogFormat("Firebase user created successfully: {0} ({1})",
                newUser.DisplayName, newUser.UserId);
            UpdateErrorMessage("Signup Success");

            PushUser();
            StateManager.SetState(StateManager.MenuState.MAIN_MENU);

        });
    }

    public void PushUser()
    {
        FirebaseApp.DefaultInstance.SetEditorDatabaseUrl("https://dice-x-game.firebaseio.com/");
        DatabaseReference reference = FirebaseDatabase.DefaultInstance.RootReference;
        string key = reference.Child("users").Push().Key;

        Dictionary<string, object> childUpdates = new Dictionary<string, object>();

        User u = new User(Firebase.Auth.FirebaseAuth.DefaultInstance.CurrentUser.UserId, 10);
        childUpdates["/users/" + Firebase.Auth.FirebaseAuth.DefaultInstance.CurrentUser.UserId] = u.ToDictionary();

        reference.UpdateChildrenAsync(childUpdates);

    }

    private void UpdateErrorMessage(string message)
    {
        Debug.Log("Update error");
    }

    private void ClearErrorMessage()
    {
        Debug.Log("Update error");
    }

}