using System;
using System.Collections;
using System.Collections.Generic;
using Cysharp.Threading.Tasks;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.ResourceManagement.AsyncOperations;

public class TestLevel : MonoBehaviour
{
    [SerializeField] private AssetReference papers;
    [SerializeField] private FoldLinesGeneratorNew foldLinesGenerator;
    private Paper currentPaper;
    public delegate void OnPaperInstantiated(Paper paper);

    public static OnPaperInstantiated onPaperInstantiated;
    async void  Start()
    {
        onPaperInstantiated += foldLinesGenerator.DrawFoldingLines;
       await this.SpawnLevel();
    }

    // Update is called once per frame
    public async UniTask SpawnLevel()
    {
        Paper levelPrefab = await LoadPaperLevel(0);
        currentPaper = Instantiate(levelPrefab, transform);
        onPaperInstantiated?.Invoke(currentPaper);
        currentPaper.setPaperCallBack(this.levelComplete);
    }

    private async UniTask<Paper> LoadPaperLevel(int level)
    {
        GameObject paperGameObject = null;
        if (papers.Asset is GameObject)
            paperGameObject = papers.Asset as GameObject;

        if (paperGameObject == null)
        {
            AsyncOperationHandle<GameObject> paperHandler = papers.LoadAssetAsync<GameObject>();
            paperGameObject = await paperHandler.Task;
        }
        return paperGameObject.GetComponent<Paper>();
    }

    private void levelComplete()
    {
        Debug.Log("Level Complete");
    }
}