using System.Collections.Generic;
using GoogleMobileAds.Api;
using System;
using Script.Utils;
using SDKManager.AdsSDKManager.Constant;
using Script.SDKManager.AdsSDKManager.AdmobAdsManager.Utils;

namespace Script.SDKManager.AdsSDKManager.AdmobAdsManager
{
    public class AdmobBannerAdManager
    {
        private Dictionary<string, BannerView> _bannerAds = new Dictionary<string, BannerView>();
        private Dictionary<string, int> _retryCounters = new Dictionary<string, int>();
        private Dictionary<string, Action> _loadCallbacks = new Dictionary<string, Action>();
        private Dictionary<string, double> _adRevenueCache = new Dictionary<string, double>();

        public void InitializeAdUnits(BannerAliignType type, List<string> adUnitIds,
            Action<string> onAdLoaded = null,
            Action<string,int, string> onAdLoadFailed = null,
            Action<AdValue> OnAdPaid = null,
            Action onAdClicked = null)
        {
            foreach (var adUnitId in adUnitIds)
            {
                CreateRewardedAd(type, adUnitId, onAdLoaded, onAdLoadFailed,OnAdPaid, onAdClicked);
            }
        }
        
        private void CreateRewardedAd(BannerAliignType type,string adUnitId, Action<string> onAdLoaded, 
            Action<string,int, string> onAdLoadFailed,
            Action<AdValue> OnAdPaid,
            Action onAdClicked)
        {
            if (_bannerAds.ContainsKey(adUnitId))
            {
                LoggerUtils.Debug($"Bigo banner Ad unit {adUnitId} already exists");
                return;
            }
            
            var bannerAds = new BannerView(adUnitId, AdSize.Banner, type == BannerAliignType.BannerCenterBottomAlign ? AdPosition.Bottom : AdPosition.Top);
            _bannerAds[adUnitId] = bannerAds;
            _retryCounters[adUnitId] = 0;
            _adRevenueCache[adUnitId] = 0;

            bannerAds.OnBannerAdLoaded += () =>
            {
                _retryCounters[adUnitId] = 0;
                _adRevenueCache[adUnitId] = AdmobUtils.GetBannerEcpm(bannerAds);
                LoggerUtils.Debug($"[Admob] banner -[Load]: {adUnitId} successfully");
                onAdLoaded?.Invoke(adUnitId);
            };
            
            bannerAds.OnBannerAdLoadFailed += ((msg) =>
            {
                _retryCounters[adUnitId]++;
                double retryDelay = Math.Pow(2, Math.Min(6, _retryCounters[adUnitId]));
                LoggerUtils.Debug($"[Admob] banner -[Load]: {adUnitId} failed, error message = {msg}");
                
                // 延迟重试加载
                _loadCallbacks[adUnitId] = () => LoadAd(adUnitId);
                TimerUtils.DelayExecute((float)retryDelay, () => _loadCallbacks[adUnitId]?.Invoke());
                onAdLoadFailed?.Invoke(adUnitId, msg.GetCode(), msg.GetMessage());
            });
            
            bannerAds.OnAdPaid += ((adValue) =>
            {
                LoggerUtils.Debug($"[Admob] banner -[interaction]: {adUnitId} show");
                OnAdPaid?.Invoke(adValue);
            });
                    
            bannerAds.OnAdClicked += () =>
            {
                onAdClicked?.Invoke();
            };
            LoadAd(adUnitId);
        }

        public void LoadAd(string adUnitId)
        {
            if (_bannerAds.TryGetValue(adUnitId, out var ad))
            {
                ad.LoadAd(new AdRequest());
            }
        }
        
        // 显示价格最高的广告
        public void ShowHighestPayingAd()
        {
            var highestPayingAdUnit = GetHighestPayingAdUnit();
            if (!string.IsNullOrEmpty(highestPayingAdUnit))
            {
                ShowAd(highestPayingAdUnit);
            }
        }

        public void HideBanner()
        {   

            var highestPayingAdUnit = GetHighestPayingAdUnit();
            if (!string.IsNullOrEmpty(highestPayingAdUnit))
            {
                if (_bannerAds.TryGetValue(highestPayingAdUnit, out var ad))
                {
                    ad.Hide();
                }
            }
        }
        // 显示特定广告位的广告
        private void ShowAd(string adUnitId)
        {
            if (_bannerAds.TryGetValue(adUnitId, out var ad))
            {
                ad.Show();
            }
        }
        
        // 获取所有可用的广告位
        public List<string> GetAvailableAdUnits()
        {
            var available = new List<string>();
            foreach (var kvp in _bannerAds)
            {
                available.Add(kvp.Key);
            }
            return available;
        }
                
        // 获取特定广告位的收益信息
        public double GetAdRevenue(string adUnitId)
        {
            if (_adRevenueCache.TryGetValue(adUnitId, out var revenue))
            {
                return revenue;
            }
            return 0;
        }

        // 获取价格最高的广告位ID
        public string GetHighestPayingAdUnit()
        {
            string highestPayingAdUnit = null;
            double highestRevenue = 0;

            foreach (var kvp in _adRevenueCache)
            {
                var adUnitId = kvp.Key;
                var revenue = kvp.Value;

                // 确保广告确实已加载并且价格更高
                if (revenue > highestRevenue)
                {
                    highestRevenue = revenue;
                    highestPayingAdUnit = adUnitId;
                }
            }

            return highestPayingAdUnit;
        }
        
        // 获取价格最高的广告收益信息
        public double GetHighestPayingAdRevenue()
        {
            var highestPayingAdUnit = GetHighestPayingAdUnit();
            if (!string.IsNullOrEmpty(highestPayingAdUnit) && 
                _adRevenueCache.TryGetValue(highestPayingAdUnit, out var revenue))
            {
                return revenue;
            }
            return 0;
        }

        // 清理资源
        public void Destroy()
        {
            foreach (var ad in _bannerAds.Values)
            {
                ad.Destroy();
            }
            _bannerAds.Clear();
            _retryCounters.Clear();
            _loadCallbacks.Clear();
            _adRevenueCache.Clear();
        }
    }
}