using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Serialization;

public partial class PlayerMain
{
    [Header("Visual")]
    [SerializeField] private List<CharacterSO> characters;
    [SerializeField] private Transform visualTransform;

    private const float THRESHOLD = 0.01f;
    
    private float _facingDir = 1f;
    private int _characterIndex;
    
    private void Input_OnChangeCharacterTrigger(object sender, EventArgs e)
    {
        _characterIndex = (_characterIndex + 1) % characters.Count;
        UpdateCharacterVisual();
    }

    private void UpdateCharacterVisual()
    {
        if(visualTransform != null)
            Destroy(visualTransform.gameObject);

        visualTransform = Instantiate(characters[_characterIndex].Visual, transform);
        visualTransform.localPosition = Vector3.zero;
        Vector3 scale = visualTransform.localScale;
        scale.x *= _facingDir;
        visualTransform.localScale = scale;
    }
    
    private void FacingDir()
    {
        if (_facingDir * _input.MoveAxis > -THRESHOLD)
            return;

        Vector3 scale = visualTransform.localScale;
        _facingDir *= -1f;
        scale.x *= -1f;
        visualTransform.localScale = scale;
    }
}