using Guru;
using UnityEngine.Purchasing;

namespace GuruService
{
    public partial class GuruSDKService
    {
        private static void AddIAPCallbackListener()
        {
            GuruSDK.Callbacks.IAP.OnIAPInitStart += OnIAPInitStart;
            GuruSDK.Callbacks.IAP.OnIAPInitComplete += OnIAPInitComplete;
            GuruSDK.Callbacks.IAP.OnPurchaseStart += OnPurchaseStart;
            GuruSDK.Callbacks.IAP.OnPurchaseEnd += OnPurchaseEnd;
            GuruSDK.Callbacks.IAP.OnPurchaseFailed += OnPurchaseFailed;
            GuruSDK.Callbacks.IAP.OnIAPRestored += OnIAPRestored;
        }

        #region callbacks

        private static void OnIAPInitStart()
        {
            Log.I($"[GuruCallback][OnIAPInitStart]");
            _serviceImp.OnIAPInitStart();
        }

        private static void OnIAPInitComplete(bool success)
        {
            Log.I($"[GuruCallback][OnIAPInitComplete] success:{success}");
            _serviceImp.OnIAPInitComplete(success);
        }

        private static void OnPurchaseStart(string productName)
        {
            Log.I($"[GuruCallback][OnPurchaseStart] productName:{productName}");
            ShowIAPLoadingView();
            _serviceImp.OnPurchaseStart(productName);
        }

        private static void OnPurchaseEnd(string productName, bool success)
        {
            Log.I($"[GuruCallback][OnPurchaseEnd] productName:{productName}, success:{success}");
            CloseIAPLoadingView();
            _serviceImp.OnPurchaseEnd(productName, success);
        }

        private static void OnPurchaseFailed(string productName, string reason)
        {
            Log.I($"[GuruCallback][OnPurchaseFailed] productName:{productName}, reason:{reason}");
            _serviceImp.OnPurchaseFailed(productName, reason);
        }

        private static void OnIAPRestored(bool success, string msg)
        {
            Log.I($"[GuruCallback][OnIAPRestored] success:{success}, msg:{msg}");
            _serviceImp.OnIAPRestored(success, msg);
        }

        #endregion

        #region 查询接口

        public static string GetProductCurrencyCode(string productName)
        {
            if (string.IsNullOrEmpty(productName))
                return Fallback();

            var productInfo = GuruSDK.GetProductInfo(productName);
            if (productInfo == null)
                return Fallback();

            return productInfo.CurrencyCode;

            string Fallback()
            {
                return "USD";
            }
        }

        public static string GetProductPriceString(string productName)
        {
            if (string.IsNullOrEmpty(productName))
                return Fallback();

            var productInfo = GuruSDK.GetProductInfo(productName);
            if (productInfo == null)
                return Fallback();

            return productInfo.LocalizedPriceString;

            string Fallback()
            {
                return "$0";
            }
        }

        public static double GetProductPrice(string productName)
        {
            if (string.IsNullOrEmpty(productName))
                return Fallback();

            var productInfo = GuruSDK.GetProductInfo(productName);
            if (productInfo == null)
                return Fallback();

            return productInfo.Price;

            double Fallback()
            {
                return 0.0;
            }
        }

        #endregion

        public static void ShowIAPLoadingView() => _serviceImp.ShowIAPBuyLoadingView();
        public static void CloseIAPLoadingView() => _serviceImp.CloseIAPLoadingView();
        public static void IAPBuySuccessTip() => _serviceImp.IAPBuySuccessTip();
        public static void IAPBuyFailTip() => _serviceImp.IAPBuyFailTip();
    }
}