using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.ServiceModel;
using QMFrameWork.Common.Serialization;
using QMFrameWork.ServiceInterface;
using QMFrameWork.ServiceLibrary;
using QM.Exchange.Core.Services;
using QM.Exchange.Interface;

namespace QM.Exchange.Core
{
    /// <summary>
    /// 通用服务
    /// </summary>
    public class GeneralMessageService : IGeneralMessageService
    {
        /// <summary>
        /// 消息接收
        /// </summary>
        /// <param name="message">消息</param>
        public void RequestServer(CommonMessage message)
        {
            try
            {
                MessageQueueService.Enqueue(message);
            }
            catch (Exception e)
            {
                throw new FaultException(e.Message);
            }
        }

        /// <summary>
        /// 接收服务请求
        /// </summary>
        /// <param name="request">请求(不支持复杂类型)</param>
        /// <returns>返回结果(不支持复杂类型)</returns>
        public string RecevieRequest(string request)
        {

            ServiceRequest r = JsonConvertHelper.GetDeserialize<ServiceRequest>(request);
            object result = null;
            try
            {
                if (r.FunctionName == "ServiceInit")
                    return "success";

                if (string.IsNullOrEmpty(request) == true)
                    throw new FaultException("请求头不能为空。");

                //登录验证
                new AuthorizationManager().IsAuthorization(r);

                Stopwatch sw = new Stopwatch();
                sw.Start();

                result = new ServiceFactory().InvokeService(r);

                sw.Stop();

                //记录执行日志
                this.RecordServiceLog(r, sw.ElapsedMilliseconds);

                return JsonConvertHelper.GetSerializes(result);
            }
            catch (Exception ex)
            {
                this.RecordServiceLog(r, ex);
                throw new FaultException(ex.Message);
            }
        }

        #region 记录服务执行日志

        /// <summary>
        /// 记录服务执行日志
        /// </summary>
        /// <param name="request">请求</param>
        /// <param name="time">执行时间</param>
        private void RecordServiceLog(ServiceRequest request, long time)
        {
            //记录执行日志
            string clientIP = "";
            if (request != null && request.UserCredential != null && request.UserCredential.ClientIP != null)
            {
                clientIP = request.UserCredential.ClientIP;
            }
            string info = "执行服务" + request.FunctionName + ",完成时间为：" + time + "毫秒";

            string userName = "";
            if (request != null && request.UserCredential != null)
            {
                userName = request.UserCredential.UserName;
            }

            QMFrameWork.Log.LogManager.LogHelper.Info(
                new QMFrameWork.Log.LogInfo { ClientIP = clientIP, UserName = userName, Info = info });
        }

        #endregion

        #region 记录服务异常日志

        private void RecordServiceLog(ServiceRequest r, Exception ex)
        {
            string info = "执行服务";
            if (r != null)
                info += r.FunctionName;

            string clientIP = "";
            if (r != null && r.UserCredential != null && r.UserCredential.ClientIP != null)
            {
                clientIP = r.UserCredential.ClientIP;
            }

            string userName = "";
            if (r != null && r.UserCredential != null)
            {
                userName = r.UserCredential.UserName;
            }

            QMFrameWork.Log.LogManager.LogHelper.Error(
                    new QMFrameWork.Log.LogInfo { ClientIP = clientIP, UserName = userName, Info = info, ErrorInfo = ex });
        }

        #endregion

    }
}