using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using NaughtyAttributes;
public class VerticalButtonNavigation : MonoBehaviour
{
    [SerializeField] private bool isCharacterSelectionButton = false;
    [SerializeField, ShowIf(nameof(isCharacterSelectionButton))] private Selectable playButton;

    private Selectable selectable;
    private Navigation selectableNav;

    private void Awake()
    {
        selectable = GetComponent<Selectable>();
        selectableNav = selectable.navigation;

        SetNavigation();
    }

    private void SetNavigation()
    {
        selectableNav.mode = Navigation.Mode.Explicit;

        int index = transform.GetSiblingIndex();
        int lastIndex = transform.parent.childCount - 1;

        if (index != 0)
        {
            selectableNav.selectOnUp = transform.parent.GetChild(index - 1).GetComponent<Selectable>();
        }
        if(index != lastIndex)
        {
            selectableNav.selectOnDown = transform.parent.GetChild(index + 1).GetComponent<Selectable>();
        }

        selectableNav.selectOnLeft = null;
        selectableNav.selectOnRight = isCharacterSelectionButton ? playButton : null;

        selectable.navigation = selectableNav;

    }
}