using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using GoogleMobileAds.Api;
using System.Threading.Tasks;
using System;
using UnityEngine.Events;
using UnityEngine.SceneManagement;

public class AdsManager : MonoBehaviour
{
    private static AdsManager _instance;
    public static AdsManager instance => _instance;

    private BannerView bannerView;
    private InterstitialAd interstitial;
    private RewardedAd rewardedAd;



    [Header("Ids")]
    [SerializeField]private string bannerId;
    [SerializeField]private string interstitialId;
    [SerializeField]private string rewardedId;

    public UnityEvent onAwardEarned = new UnityEvent();


    public bool dontDestroyOnLoad=true;
    void Start()
    {
        _instance =this;
        if(dontDestroyOnLoad){DontDestroyOnLoad(gameObject);}

        MobileAds.Initialize(OnInit);        
    }
    float t =0;
    void Update(){
        if(t>0){
            if(t< 30){
                t += Time.deltaTime;
            }else{
                SceneManager.LoadScene("Login");
                t=-10;
            }
        }
    }

    void OnInit(InitializationStatus initStatus){
        // MessageDialog.instance.ShowMessage("Debug","Ads inited");
        SceneManager.LoadScene("Login");
        Debug.Log("Google ads init,"+initStatus);
        Debug.Log("Loading ads now");
        rewardedAd = new RewardedAd(rewardedId);
        rewardedAd.OnUserEarnedReward += OnRewardedComplete;
        rewardedAd.OnAdFailedToLoad += OnRewardedFailed;
        rewardedAd.OnAdFailedToShow += OnRewardedFailed;
        // RequestBanner();
        LoadInterestitial();
        LoadRewarded();
    }


    void RequestBanner(){
        bannerView = new BannerView(bannerId, AdSize.Banner, AdPosition.BottomLeft);
        AdRequest request = new AdRequest.Builder().Build();
        this.bannerView.LoadAd(request);
    }

    void LoadInterestitial(){
        interstitial = new InterstitialAd(interstitialId);
        // Create an empty ad request.
        AdRequest request = new AdRequest.Builder().Build();
        // Load the interstitial with the request.
        interstitial.LoadAd(request);
    }

    void LoadRewarded(){
        AdRequest request = new AdRequest.Builder().Build();
        this.rewardedAd.LoadAd(request);
    }

    public async void ShowInterestitial(){
        interstitial.Show();
        await Task.Delay(10000);
        LoadInterestitial();
    }

    public async void ShowRewarded(UnityAction OnAwardEarned){
        // MessageDialog.instance.ShowMessage("Debug","Showing rewarded, is rewareded null? : " + (rewardedAd == null).ToString());

        onAwardEarned.RemoveAllListeners();
        onAwardEarned.AddListener(OnAwardEarned);
        Debug.Log("Show Reward : is ad null? : " + (rewardedAd == null).ToString());
        
        if(!rewardedAd.IsLoaded()){
            Debug.Log("Ad not loaded, Loading now");
            LoadRewarded();
        }else{

        }
        while(!rewardedAd.IsLoaded()){
            await Task.Delay(500);
        }
        Debug.Log("Ad ready, showing now");

        this.rewardedAd.Show();
        Debug.Log("Ad shown");

    }

    void OnRewardedComplete(object sender, EventArgs args){
        onAwardEarned.Invoke();
        LoadRewarded();
    }

    void OnRewardedFailed(object sender, EventArgs args){
        MessageDialog.instance.ShowMessage("Sorry", "We couldn't Load the Ad right now. Please try again later.");
        LoadRewarded();

    }

    void OnRewardCanceled(object sender, EventArgs args){
        MessageDialog.instance.ShowMessage("Failed", "You closed the Ad. Please watch the full ad to receive the gift");
        LoadRewarded();
    }
    
}