using System.Collections;
using UnityEngine;

/// <summary>
/// Class to display feedback during a course
/// </summary>
public abstract class AbstractFeedback : MonoBehaviour, Listener
{
    /// <summary>
    /// Reference to the sign predictor
    /// </summary>
    public SignPredictor signPredictor;

    /// <summary>
    /// The function that is called by the publisher on all its listeners
    /// </summary>
    /// <returns></returns>
    public IEnumerator ProcessIncomingCall()
    {
        yield return StartCoroutine(UpdateFeedback());
    }

    /// <summary>
    /// A function to add yourself as listener to the signPredictor you are holding
    /// </summary>
    public void AddSelfAsListener()
    {
        signPredictor.listeners.Add(this);
    }

    /// <summary>
    /// The function that holds the logic to process the new probabilities of the signPredictor
    /// </summary>
    /// <returns></returns>
    protected abstract IEnumerator UpdateFeedback();
}