using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Yarn.Unity;

public class ActorManager : MonoBehaviour
{
    [Header("Actors")]
    public List<SpriteRenderer> actors;

    [YarnCommand("fade_in_actor")]
    public IEnumerator FadeInActorByName(string actorName, float duration)
    {
        var actor = actors.Find(a => a.name == actorName);
        if (actor != null)
        {
            yield return StartCoroutine(FadeActor(actor, 0f, 1f, duration));
        }
        else
        {
            Debug.LogError($"Actor with name {actorName} not found.");
        }
    }

    [YarnCommand("fade_out_actor")]
    public IEnumerator FadeOutActorByName(string actorName, float duration)
    {
        var actor = actors.Find(a => a.name == actorName);
        if (actor != null)
        {
            yield return StartCoroutine(FadeActor(actor, 1f, 0f, duration));
        }
        else
        {
            Debug.LogError($"Actor with name {actorName} not found.");
        }
    }

    public void FadeInActor(SpriteRenderer actor, float duration)
    {
        StartCoroutine(FadeActor(actor, 0f, 1f, duration));
    }

    public void FadeOutActor(SpriteRenderer actor, float duration)
    {
        StartCoroutine(FadeActor(actor, 1f, 0f, duration));
    }

    private IEnumerator FadeActor(SpriteRenderer actor, float startAlpha, float endAlpha, float duration)
    {
        float elapsedTime = 0f;
        Color color = actor.color;

        while (elapsedTime < duration)
        {
            elapsedTime += Time.deltaTime;
            float alpha = Mathf.Lerp(startAlpha, endAlpha, elapsedTime / duration);
            actor.color = new Color(color.r, color.g, color.b, alpha);
            yield return null;
        }

        actor.color = new Color(color.r, color.g, color.b, endAlpha);
    }

    private void Start()
    {
        HideAllActors();
    }

    private void HideAllActors()
    {
        foreach (var actor in actors)
        {
            actor.color = new Color(actor.color.r, actor.color.g, actor.color.b, 0f);
        }
    }
}