using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class UISwitch : MonoBehaviour
{
    protected GameObject nextPage;
    protected GameObject backPage;
    protected Button nextBtn;
    protected Button backBtn;

    public string triggerName;

    public bool hideSelf = true;

    // Start is called before the first frame update
    public void OnEnable()
    {
        nextBtn = transform.Find("nextBtn")?.GetComponent<Button>();
        backBtn = transform.Find("backBtn")?.GetComponent<Button>();

        int index = this.transform.GetSiblingIndex();
        if (index < this.transform.parent.childCount - 1)
            nextPage = this.transform.parent.GetChild(index + 1).gameObject;
        if (index > 0)
            backPage = this.transform.parent.GetChild(index - 1).gameObject;

        if (nextBtn != null)
            nextBtn.onClick.AddListener(() => { 
                if (hideSelf) this.gameObject.SetActive(false); 
                if (nextPage != null)nextPage.SetActive(true);
                StepManager.Instance.FinishStep(triggerName);
            });

        if (backBtn != null)
            backBtn.onClick.AddListener(() =>{
                if (hideSelf) this.gameObject.SetActive(false);
                if (backPage != null) backPage.SetActive(true);
            });
    }

    // Update is called once per frame
    void Update()
    {
        
    }
}