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

public class PanelGuide : BasePanel
{
    public Action<int> DelStepDone;
    public Action DelGuideFinish;

    [SerializeField] Transform mCtnGuide;

    private int mGuideIndex;
    private int mCurStepIndex = -1;
    private List<GuideStep> mSteps;

    public void InitGuide(int pGuideIndex)
    {
        mGuideIndex = pGuideIndex;

        for (int i = 0; i < mCtnGuide.childCount; i++)
        {
            mCtnGuide.GetChild(i).gameObject.SetActive(i == pGuideIndex);
        }

        mSteps = Utils.GetChildListFirstLayer<GuideStep>(mCtnGuide.GetChild(pGuideIndex));
        for (int i = 0; i < mSteps.Count; i++)
        {
            mSteps[i].DelStepDone = OnStepDone;
            mSteps[i].InitStep(i);
        }

        mCurStepIndex = -1;
    }

    public void NextStep(Vector3 pScreenPos = default)
    {
        mCurStepIndex++;
        if (mCurStepIndex < mSteps.Count)
        {
            mSteps[mCurStepIndex].StartStep(pScreenPos);
        }
        else
        {
            DelGuideFinish?.Invoke();
        }
    }

    public void FinishCurrentStep()
    {
        if (mCurStepIndex >= 0 && mCurStepIndex < mSteps.Count)
        {
            mSteps[mCurStepIndex].FinishStep();
        }
    }

    private void OnStepDone(int pIndex, bool pAutoNext)
    {
        DelStepDone?.Invoke(pIndex);

        if (pAutoNext)
        {
            NextStep();
        }
    }
}