using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Collections.Concurrent;

namespace Bwp.ABCClient2.Core
{
	public class ABCClientConfig
	{
		static Func<string, RSACryptoServiceProvider> mGetMerchantPrivateKeyFunc;

		ConcurrentDictionary<string, RSACryptoServiceProvider> mMerchantPrivateKeys = new ConcurrentDictionary<string, RSACryptoServiceProvider>();

		public static void Init(Func<string, RSACryptoServiceProvider> getMerchantPrivateKey, Func<X509Certificate> getPublicKeyFunc, string logPath)
		{
			mGetMerchantPrivateKeyFunc = getMerchantPrivateKey;
			mGetABCPublicKeyFunc = getPublicKeyFunc;
			mLogPath = logPath;
		}

		static string mLogPath;

		internal static string mMerchantID;

		/// <summary>
		/// 开启日志
		/// </summary>
		public bool EnableLog
		{
			get
			{
				return !string.IsNullOrEmpty(mLogPath);
			}
		}

		/// <summary>
		/// 日志目录
		/// </summary>
		public string LogPath
		{
			get
			{
				return mLogPath;
			}
		}

		/// <summary>
		/// 商户编号
		/// </summary>
		public string MerchanID
		{
			get
			{
				return mMerchantID;
			}
		}

		/// <summary>
		/// 商户私钥
		/// </summary>
		public RSACryptoServiceProvider MerchanPrivateKey
		{
			get
			{
				if (string.IsNullOrEmpty(MerchanID))
				{
					throw new Exception("没有配置当前的商户");
				}

				RSACryptoServiceProvider key;
				if (mMerchantPrivateKeys.TryGetValue(MerchanID, out key))
				{
					return key;
				}
				else
				{
					key = mGetMerchantPrivateKeyFunc(MerchanID);
					if (key == null)
					{
						throw new Exception(string.Format("系统中没有配置商户{0}的私钥", MerchanID));
					}
					mMerchantPrivateKeys.TryAdd(MerchanID, key);
					return key;
				}
			}
		}

		static Func<X509Certificate> mGetABCPublicKeyFunc;

		public X509Certificate ABCPublicKey
		{
			get
			{
				var mABCPublicKey = mGetABCPublicKeyFunc();

				if (mABCPublicKey == null)
				{
					throw new Exception("系统中没有配置农业银行的公钥");
				}

				return mABCPublicKey;
			}
		}


		internal static string mTrustPayConnectMethod = "https";
		public string TrustPayConnectMethod
		{
			get
			{
				return mTrustPayConnectMethod;
			}
		}

		internal static string mTrustPayServerName = "www.95599.cn";
		public string TrustPayServerName
		{
			get
			{
				return mTrustPayServerName;
			}
		}

		internal static int mTrustPayServerPort = 443;
		public int TrustPayServerPort
		{
			get
			{
				return mTrustPayServerPort;
			}
		}

		internal static string mTrustPayTrxURL;

		public string TrustPayTrxURL
		{
			get
			{
				return mTrustPayTrxURL;
			}
		}
	}
}