using GoogleMobileAds.Api;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data.SqlTypes;
using UnityEngine;

public class ADSManager : MonoBehaviour
{
    protected const int reloadInterval = 5;
    protected const int maxRetryCount = 20;

    // 이벤트 연결용
    public event Action<bool, string> OnCompletedRewardedAd;
    public event Action<bool> OnCompletedInterstitialAd;
    public event Action<bool> OnDestroyBannerAd;

    private bool isInitialize = false;

    private Dictionary<string, Ad> adDictionary = new Dictionary<string, Ad>(5);

    private WaitForSecondsRealtime waitForSeconds = new WaitForSecondsRealtime(reloadInterval);

    private void Awake()
    {
        if (GameManager.Network != null)
        {
            GameManager.Network.OnNetworkOnline += OnNetworkOnline;
        }
    }

    private void OnDestroy()
    {
        StopAllCoroutines();
    }

    private void OnNetworkOnline(bool isOnline)
    {
        if (isOnline && isInitialize == false)
        {
            InitADSManager();
        }
    }

    public void InitADSManager()
    {
        // Initialize the Google Mobile Ads SDK.
        MobileAds.Initialize((InitializationStatus initStatus) =>
        {
            // This callback is called once the MobileAds SDK is initialized.

            adDictionary.Clear();

            // 라이브
            if (GameManager.DB.IsRemoveADS == false)
            {
                adDictionary.Add("Game_Interstitial", new InterstitialAd("ca-app-pub-6390804219581974/4957790852", "Game_Interstitial"));
                adDictionary.Add("Top_Banner", new BannerAd("ca-app-pub-6390804219581974/6518284533", "Top_Banner"));
            }

            adDictionary.Add("Result_Reward", new RewardAd("ca-app-pub-6390804219581974/3644709187", "Result_Reward"));
            adDictionary.Add("Heart_Reward", new RewardAd("ca-app-pub-6390804219581974/3947961516", "Heart_Reward"));
            adDictionary.Add("Gold_Reward", new RewardAd("ca-app-pub-6390804219581974/2331627517", "Gold_Reward"));

            //// 게등위 테스트용
            //if (GameManager.DB.IsRemoveADS == false)
            //{
            //    adDictionary.Add("Game_Interstitial", new InterstitialAd("ca-app-pub-3940256099942544/1033173712", "Game_Interstitial"));
            //    adDictionary.Add("Top_Banner", new BannerAd("ca-app-pub-3940256099942544/9214589741", "Top_Banner"));
            //}

            //adDictionary.Add("Result_Reward", new RewardAd("ca-app-pub-3940256099942544/5224354917", "Result_Reward"));
            //adDictionary.Add("Heart_Reward", new RewardAd("ca-app-pub-3940256099942544/5224354917", "Heart_Reward"));
            //adDictionary.Add("Gold_Reward", new RewardAd("ca-app-pub-3940256099942544/5224354917", "Gold_Reward"));


            foreach (var ad in adDictionary.Values)
            {
                ad.OnFailLoadAD += OnFailLoadAD;
                ad.LoadAd();
            }

            isInitialize = true;
        });
    }

    private void OnFailLoadAD(string id)
    {
        StartCoroutine(ReloadAd(id));
    }

    private IEnumerator ReloadAd(string id)
    {
        yield return waitForSeconds;

        if(adDictionary.Count > 0)
        {
            adDictionary[id].LoadAd();
        }
    }

    #region Rewarded

    public void ShowResultRewardedAd(string name)
    {
        if (GameManager.Network.IsOnline == false)
        {
            //GameManager.UI.ShowNStackPopup<FailNetworkPopup>(EPopupType.FailNetworkPopup).SetData("Heart_Reward", ownerName);
            GameManager.UI.ShowNStackPopup(EPopupType.NotOnline_ClosePopup);
        }
        else
        {
            adDictionary["Result_Reward"].ShowAd(name);
        }
    }

    public void HideResultRewardedAd()
    {
        adDictionary["Result_Reward"].HideAd();
    }

    public void ShowHeartRewardedAd(string name)
    {
        if (GameManager.Network.IsOnline == false)
        {
            //GameManager.UI.ShowNStackPopup<FailNetworkPopup>(EPopupType.FailNetworkPopup).SetData("Heart_Reward", ownerName);
            GameManager.UI.ShowNStackPopup(EPopupType.NotOnline_ClosePopup);
        }
        else
        {
            adDictionary["Heart_Reward"].ShowAd(name);
        }
    }

    public void HideHeartRewardedAd()
    {
        adDictionary["Heart_Reward"].HideAd();
    }

    public void ShowGoldRewardedAd(string name)
    {
        if (GameManager.Network.IsOnline == false)
        {
            //GameManager.UI.ShowNStackPopup<FailNetworkPopup>(EPopupType.FailNetworkPopup).SetData("Heart_Reward", ownerName);
            GameManager.UI.ShowNStackPopup(EPopupType.NotOnline_ClosePopup);
        }
        else
        {
            adDictionary["Gold_Reward"].ShowAd(name);
        }
    }

    public void HideGoldRewardedAd()
    {
        adDictionary["Gold_Reward"].HideAd();
    }
    #endregion

    #region Interstitial
    public void ShowInterstitialAd(Action success = null)
    {
        if (GameManager.DB.IsRemoveADS)
        {
            OnCompletedInterstitialAd?.Invoke(false);
        }
        else
        {
            if (GameManager.Network.IsOnline == false)
            {
                //GameManager.UI.ShowNStackPopup<FailNetworkPopup>(EPopupType.FailNetworkPopup).SetData("Game_Interstitial");
                GameManager.UI.ShowNStackPopup(EPopupType.NotOnline_ClosePopup);
            }
            else
            {
                adDictionary["Game_Interstitial"].ShowAd();
                success?.Invoke();
            }
        }
    }

    public void HideInterstitialAd()
    {
        adDictionary["Game_Interstitial"].HideAd();
    }

    #endregion

    #region Banner
    public void ShowBanner()
    {
        if (isInitialize && GameManager.DB.IsRemoveADS == false)
        {
            adDictionary["Top_Banner"].ShowAd();
        }

        OnDestroyBannerAd?.Invoke(GameManager.DB.IsRemoveADS);
    }

    public void HideBanner()
    {
        if (adDictionary.ContainsKey("Top_Banner"))
            adDictionary["Top_Banner"].HideAd();

        OnDestroyBannerAd?.Invoke(true);
    }
    #endregion

    public class Ad : MonoBehaviour
    {
        public Action<string> OnFailLoadAD;

        protected string id;
        protected string adUnitId;
        protected bool adAvailable = false;

        protected bool isTest = false;

        public int retryLoadCount = 0;

        public bool AdAvailable
        {
            get { return adAvailable; }
        }

        public Ad(string adUnitId, string id)
        {
            this.adUnitId = adUnitId;
            this.id = id;
        }

        public virtual void LoadAd()
        {
        }

        public virtual void ShowAd()
        {
        }

        public virtual void ShowAd(string ownerName)
        {
        }

        public virtual void HideAd()
        {

        }

        public void ResetRetryLoadCount()
        {
            retryLoadCount = 0;
        }

    }

    public class RewardAd : Ad
    {
        protected string owner = String.Empty;
        public string Owner { get { return owner; } }

        private GoogleMobileAds.Api.RewardedAd ad;

        private WaitForSecondsRealtime waitForSeconds = new WaitForSecondsRealtime(reloadInterval);

        public RewardAd(string adUnitId, string id) : base(adUnitId, id)
        {

        }

        public override void LoadAd()
        {
#if UNITY_EDITOR || UNITY_ANDROID
            if (isTest)
            {
                adUnitId = "ca-app-pub-3940256099942544/5224354917";
            }
#elif UNITY_IPHONE
            adUnitId = "ca-app-pub-3940256099942544/4411468910";
#else
            adUnitId = "unused";
#endif

            // Clean up the old ad before loading a new one.
            if (this.ad != null)
            {
                this.ad.Destroy();
                this.ad = null;
            }

            Debug.Log("Loading the rewarded ad.");

            // create our request used to load the ad.
            var adRequest = new AdRequest();

            // send the request to load the ad.
            RewardedAd.Load(adUnitId, adRequest,
                async (RewardedAd ad, LoadAdError error) =>
                {
                    // if error is not null, the load request failed.
                    if (error != null || ad == null)
                    {
                        Debug.LogError("Rewarded ad failed to load an ad " +
                                       "with error : " + error);

                        adAvailable = false;
                        //GameManager.UI.ShowNStackPopup(EPopupType.FailLoadADSPopup);

                        retryLoadCount++;
                        if (retryLoadCount < maxRetryCount)
                        {
                            OnFailLoadAD?.Invoke(this.id);
                        }
                        return;
                    }

                    Debug.Log("Rewarded ad loaded with response : "
                              + ad.GetResponseInfo() + ad.GetAdUnitID().ToString());

                    this.ad = ad;
                    adAvailable = true;

                    RegisterEventHandlers(this.ad);
                });
        }

        public override void ShowAd(string ownerName)
        {
            if (adAvailable == true && ad != null && ad.CanShowAd())
            {
                const string rewardMsg =
                "Rewarded ad rewarded the user. Type: {0}, amount: {1}.";

                ad.Show((Reward reward) =>
                {
                    // TODO: Reward the user.
                    Debug.Log(String.Format(rewardMsg, reward.Type, reward.Amount));
                });

                owner = ownerName;
            }
            else
            {
                GameManager.UI.ShowNStackPopup(EPopupType.FailLoadADSPopup);

                owner = String.Empty;
                GameManager.ADS.OnCompletedRewardedAd?.Invoke(false, owner);
            }
        }

        public override void HideAd()
        {
            if (ad != null)
            {
                ad.Destroy();
                ad = null;
            }
        }

        private void RegisterEventHandlers(GoogleMobileAds.Api.RewardedAd ad)
        {
            // Raised when the ad is estimated to have earned money.
            ad.OnAdPaid += (AdValue adValue) =>
            {
                Debug.Log(String.Format("Rewarded ad paid {0} {1}.",
                    adValue.Value,
                    adValue.CurrencyCode));
            };
            // Raised when an impression is recorded for an ad.
            ad.OnAdImpressionRecorded += () =>
            {
                Debug.Log("Rewarded ad recorded an impression.");
            };
            // Raised when a click is recorded for an ad.
            ad.OnAdClicked += () =>
            {
                Debug.Log("Rewarded ad was clicked.");
            };
            // Raised when an ad opened full screen content.
            ad.OnAdFullScreenContentOpened += () =>
            {
                Debug.Log("Rewarded ad full screen content opened.");
            };
            // Raised when the ad closed full screen content.
            ad.OnAdFullScreenContentClosed += () =>
            {
                Debug.Log("Rewarded Ad full screen content closed.");

                GameManager.ADS.OnCompletedRewardedAd?.Invoke(true, owner);
                owner = String.Empty;

                // Reload the ad so that we can show another as soon as possible.
                LoadAd();
            };
            // Raised when the ad failed to open full screen content.
            ad.OnAdFullScreenContentFailed += (AdError error) =>
            {
                Debug.LogError("Rewarded ad failed to open full screen content " +
                               "with error : " + error);

                GameManager.UI.ShowNStackPopup(EPopupType.FailLoadADSPopup);

                GameManager.ADS.OnCompletedRewardedAd?.Invoke(false, owner);
                owner = String.Empty;

                // Reload the ad so that we can show another as soon as possible.
                LoadAd();
            };
        }
    }

    public class InterstitialAd : Ad
    {
        private GoogleMobileAds.Api.InterstitialAd ad;

        public InterstitialAd(string adUnitId, string id) : base(adUnitId, id)
        {

        }

        public override void LoadAd()
        {
#if UNITY_EDITOR || UNITY_ANDROID
            if (isTest)
            {
                adUnitId = "ca-app-pub-3940256099942544/1033173712";
            }
#elif UNITY_IPHONE
            //adUnitId = "ca-app-pub-3940256099942544/4411468910";
#else
            adUnitId = "unused";
#endif

            // Clean up the old ad before loading a new one.
            if (ad != null)
            {
                ad.Destroy();
                ad = null;
            }

            Debug.Log("Loading the interstitial ad.");

            // create our request used to load the ad.
            var adRequest = new AdRequest();

            // send the request to load the ad.
            GoogleMobileAds.Api.InterstitialAd.Load(adUnitId, adRequest,
                (GoogleMobileAds.Api.InterstitialAd ad, LoadAdError error) =>
                {
                    // if error is not null, the load request failed.
                    if (error != null || ad == null)
                    {
                        Debug.LogError("interstitial ad failed to load an ad " +
                                       "with error : " + error);

                        adAvailable = false;

                        retryLoadCount++;
                        if (retryLoadCount < maxRetryCount)
                        {
                            OnFailLoadAD?.Invoke(this.id);
                        }
                        return;
                    }

                    Debug.Log("Interstitial ad loaded with response : "
                              + ad.GetResponseInfo());

                    this.ad = ad;
                    adAvailable = true;
                    RegisterReloadHandler(ad);
                });

        }

        public override void ShowAd()
        {
            if (adAvailable == true && ad != null && ad.CanShowAd())
            {
                Debug.Log("Showing interstitial ad.");
                ad.Show();
            }
            else
            {
                GameManager.UI.ShowNStackPopup(EPopupType.FailLoadADSPopup);

                GameManager.ADS.OnCompletedInterstitialAd?.Invoke(false);
                Debug.LogError("Interstitial ad is not ready yet.");
            }
        }

        public override void HideAd()
        {
            if (ad != null)
            {
                ad.Destroy();
                ad = null;
            }
        }

        private void RegisterReloadHandler(GoogleMobileAds.Api.InterstitialAd interstitialAd)
        {
            // Raised when the ad is estimated to have earned money.
            interstitialAd.OnAdPaid += (AdValue adValue) =>
            {
                Debug.Log(String.Format("Interstitial ad paid {0} {1}.",
                    adValue.Value,
                    adValue.CurrencyCode));
            };
            // Raised when an impression is recorded for an ad.
            interstitialAd.OnAdImpressionRecorded += () =>
            {
                Debug.Log("Interstitial ad recorded an impression.");
            };
            // Raised when a click is recorded for an ad.
            interstitialAd.OnAdClicked += () =>
            {
                Debug.Log("Interstitial ad was clicked.");
            };
            // Raised when an ad opened full screen content.
            interstitialAd.OnAdFullScreenContentOpened += () =>
            {
                Debug.Log("Interstitial ad full screen content opened.");
            };
            // Raised when the ad closed full screen content.
            interstitialAd.OnAdFullScreenContentClosed += () =>
            {
                Debug.Log("Interstitial Ad full screen content closed.");

                GameManager.ADS.OnCompletedInterstitialAd?.Invoke(true);

                // Reload the ad so that we can show another as soon as possible.
                LoadAd();
            };
            // Raised when the ad failed to open full screen content.
            interstitialAd.OnAdFullScreenContentFailed += (AdError error) =>
            {
                Debug.LogError("Interstitial ad failed to open full screen content " +
                               "with error : " + error);

                GameManager.UI.ShowNStackPopup(EPopupType.FailLoadADSPopup);

                GameManager.ADS.OnCompletedInterstitialAd?.Invoke(false);

                // Reload the ad so that we can show another as soon as possible.
                LoadAd();
            };
        }
    }

    public class BannerAd : Ad
    {
        private GoogleMobileAds.Api.BannerView ad;

        public BannerAd(string adUnitId, string id) : base(adUnitId, id)
        {

        }

        public override void LoadAd()
        {
#if UNITY_EDITOR || UNITY_ANDROID
            if (isTest)
            {
                adUnitId = "ca-app-pub-3940256099942544/9214589741";
            }
#elif UNITY_IPHONE
            //adUnitId = "ca-app-pub-3940256099942544/4411468910";
#else
            adUnitId = "unused";
#endif

            if (GameManager.DB.IsRemoveADS == true)
            {
                adAvailable = false;
                return;
            }

            // Clean up banner ad before creating a new one.
            if (ad != null)
            {
                ad.Destroy();
                ad = null;
            }

            AdSize adaptiveSize = AdSize.GetPortraitAnchoredAdaptiveBannerAdSizeWithWidth(AdSize.FullWidth);

            ad = new BannerView(adUnitId, adaptiveSize, GoogleMobileAds.Api.AdPosition.Top);
            
            // Register for ad events.
            ad.OnBannerAdLoaded += OnBannerAdLoaded;
            ad.OnBannerAdLoadFailed += OnBannerAdLoadFailed;

            AdRequest adRequest = new AdRequest();

            ad.LoadAd(adRequest);
        }

        public override void ShowAd()
        {
            if (GameManager.DB.IsRemoveADS == false && adAvailable == true && ad != null)
            {
                ad.Show();
            }
        }

        public override void HideAd()
        {
            if (ad != null)
            {
                ad.Hide();
                //ad.Destroy();
                //ad = null;
            }
        }

        public void DestroyBannerAd()
        {
            if (ad != null)
            {
                Debug.Log("Destroying banner view.");
                ad.Destroy();
                ad = null;

                GameManager.ADS.OnDestroyBannerAd?.Invoke(true);
            }
        }

        private void OnBannerAdLoaded()
        {
            Debug.Log("Banner view loaded an ad with response : " + ad.GetResponseInfo());
            adAvailable = true;

            // 실제 로드된 배너의 픽셀 크기
            float width = ad.GetWidthInPixels();
            float height = ad.GetHeightInPixels();

            Debug.Log($"Banner loaded: {width} x {height}");

            // Unity UI 좌표계로 변환 (CanvasScaler에 따라 다름)
            //float heightInUnits = (float)height / Screen.height * CanvasRectTransform.rect.height;

            // 예: 상단 UI 패널을 배너 높이만큼 내리기
            //topPanel.anchoredPosition = new Vector2(
            //    topPanel.anchoredPosition.x,
            //    topPanel.anchoredPosition.y - heightInUnits
            //);
        }

        private void OnBannerAdLoadFailed(LoadAdError error)
        {
            Debug.LogError("Banner view failed to load an ad with error : " + error);

            adAvailable = false;

            retryLoadCount++;
            if (retryLoadCount < maxRetryCount)
            {
                OnFailLoadAD?.Invoke(this.id);
            }
        }
    }

}