using Sarand.Core.Base;
using Sarand.Core.Data;
using System;
using System.Collections.Generic;
using System.Text;

namespace Sarand.PatientMgr.Core.Data
{
	//=======================================================================
	public static class SpmWindowsServiceCrypter
	{
		//-------------------------------------------------------------------
		// Data members.
		/// <summary>
		/// Encryption is shared between Windows Service app and mobile
		/// </summary>
		private static readonly String requestDataKey = "<Sarand>~{PatientMgr}#[WindowsService]&/DataCryption/*|RequestData|";
		private static readonly String responseDataKey = "{Sarand}+(PatientMgr)%\\WindowsService/=<DataCryption>@:Response:";

		//-------------------------------------------------------------------
		//                      R e q u e s t   D a t a
		//-------------------------------------------------------------------
		/// <summary>Encrypt request data</summary>
		public static String EncryptRequestData (String value)
		{
			try
			{
				return SacsAesIvCrypter.Encrypt(value, requestDataKey);
			}
			catch (Exception exc) { Logger.Debug("EncryptRequestData " + exc.GetType().Name + ": " + exc.Message); }
			return value;
		}
		/// <summary>Decrypt request data</summary>
		public static String DecryptRequestData (String value)
		{
			try
			{
				return SacsAesIvCrypter.Decrypt(value, requestDataKey);
			}
			catch (Exception exc) { Logger.Debug("DecryptRequestData " + exc.GetType().Name + ": " + exc.Message); }
			return value;
		}

		//-------------------------------------------------------------------
		//                     R e s p o n s e   D a t a
		//-------------------------------------------------------------------
		/// <summary>Encrypt response data</summary>
		public static String EncryptResponseData (String value)
		{
			try
			{
				return SacsAesIvCrypter.Encrypt(value, responseDataKey);
			}
			catch (Exception exc) { Logger.Debug("EncryptResponseData " + exc.GetType().Name + ": " + exc.Message); }
			return value;
		}
		/// <summary>Decrypt response data</summary>
		public static String DecryptResponseData (String value)
		{
			try
			{
				return SacsAesIvCrypter.Decrypt(value, responseDataKey);
			}
			catch (Exception exc) { Logger.Debug("DecryptResponseData " + exc.GetType().Name + ": " + exc.Message); }
			return value;
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}