using DigitalRuby.Tween;
using Mediapipe.Unity.Tutorial;
using System;
using System.Collections;
using TMPro;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.UI;

/// <summary>
/// Class to display feedback during a course
/// </summary>
public abstract class AbstractFeedback : MonoBehaviour, Listener
{
    /// <summary>
    /// Reference to the feedback field
    /// </summary>
    public TMP_Text feedbackText;

    /// <summary>
    /// Reference to the progress bar
    /// </summary>
    public Slider feedbackProgress;

    /// <summary>
    /// Reference to the progress bar image, so we can add fancy colors
    /// </summary>
    public Image feedbackProgressImage;

    /// <summary>
    /// Reference to the sign predictor
    /// </summary>
    public SignPredictor signPredictor;

    /// <summary>
    /// Timer to keep track of how long a incorrect sign is performed
    /// </summary>
    protected DateTime timer;

    /// <summary>
    /// Current predicted sign
    /// </summary>
    protected string predictedSign = null;

    /// <summary>
    /// Previous incorrect sign, so we can keep track whether the user is wrong or the user is still changing signs
    /// </summary>
    protected string previousIncorrectSign = null;

    public IEnumerator ProcessIncomingCall()
    {
        //UpdateFeedback2();
        yield return StartCoroutine(UpdateFeedback());
    }

    public void AddSelfAsListener()
    {
        signPredictor.listeners.Add(this);
    }

    public void Empty() { }

    protected abstract IEnumerator UpdateFeedback();
}