using Learun.Application.Base.SystemModule;
using Learun.Loger;
using Learun.Util;
using Learun.Util.Operat;
using Nancy;
using Nancy.ModelBinding;
using System;

namespace Learun.Application.WorkFlowServer
{
    /// <summary>
    /// 版 本 Learun-ADMS-Ultimate V7.0.0 数字化智慧校园 
    /// Copyright (c) 2013-2018 北京泉江科技有限公司 
    /// 创建人：陈彬彬
    /// 日 期：2017.05.12
    /// 描 述：Nancy-Api基础模块
    /// </summary>
    public class BaseApi : NancyModule
    {
        #region  构造函数
        public BaseApi()
            : base()
        {
            Before += BeforeRequest;
            OnError += OnErroe;
        }
        public BaseApi(string baseUrl)
            : base(baseUrl)
        {
            Before += BeforeRequest;
            OnError += OnErroe;
        }
        #endregion

        #region  获取请求数据
        /// <summary>
        /// 获取请求数据
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        public T GetReqData<T>() where T : class
        {
            try
            {
                ReqParameter<string> req = this.Bind<ReqParameter<string>>();
                return req.data.ToObject<T>();
            }
            catch (Exception)
            {

                throw;
            }

        }
        /// <summary>
        /// 获取请求数据
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        public T GetReq<T>() where T : class
        {
            try
            {
                T req = this.Bind<T>();
                return req;
            }
            catch (Exception)
            {

                throw;
            }
        }
        #endregion

        #region  响应接口
        /// <summary>
        /// 成功响应数据
        /// </summary>
        /// <param name="msg"></param>
        /// <returns></returns>
        public Response Success(string info)
        {
            ResParameter res = new ResParameter { code = ResponseCode.success, info = info, data = new object { } };
            return Response.AsText(res.ToJson()).WithContentType("application/json").WithStatusCode(HttpStatusCode.OK);
        }
        /// <summary>
        /// 成功响应数据
        /// </summary>
        /// <param name="res"></param>
        /// <returns></returns>
        public Response Success(object data)
        {
            ResParameter res = new ResParameter { code = ResponseCode.success, info = "响应成功", data = data };
            return Response.AsText(res.ToJson()).WithContentType("application/json").WithStatusCode(HttpStatusCode.OK);
        }
        /// <summary>
        /// 成功响应数据
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="res"></param>
        /// <returns></returns>
        public Response Success<T>(T data) where T : class
        {
            ResParameter res = new ResParameter { code = ResponseCode.success, info = "响应成功", data = data };
            return Response.AsText(res.ToJson()).WithContentType("application/json").WithStatusCode(HttpStatusCode.OK);
        }
        /// <summary>
        /// 接口响应失败
        /// </summary>
        /// <param name="msg"></param>
        /// <returns></returns>
        public Response Fail(string info)
        {
            ResParameter res = new ResParameter { code = ResponseCode.fail, info = info, data = new object { } };
            return Response.AsText(res.ToJson()).WithContentType("application/json").WithStatusCode(HttpStatusCode.OK);
        }
        #endregion

        #region  权限验证
        public UserInfo userInfo;
        /// <summary>
        /// 验证登录票据
        /// </summary>
        /// <param name="ctx">上下文数据</param>
        /// <returns></returns>
        private Response BeforeRequest(NancyContext ctx)
        {
            //验证登录状态
            ReqParameter req = this.Bind<ReqParameter>();
            OperatorResult res = OperatorHelper.Instance.IsOnLine(req.token, req.loginMark);
            if (res.stateCode == -1)
            {
                return this.Fail("未找到登录信息");
            }
            if (res.stateCode == 0)
            {
                return this.Fail("登录信息已过期");
            }
            else
            {
                // 获取登录者信息
                userInfo = res.userInfo;
            }
            return null;
        }
        #endregion

        #region  异常抓取
        /// <summary>
        /// 日志对象实体
        /// </summary>
        private Log _logger;
        /// <summary>
        /// 日志操作
        /// </summary>
        public Log Logger
        {
            get { return _logger ?? (_logger = LogFactory.GetLogger(this.GetType().ToString())); }
        }
        /// <summary>
        /// 监听接口异常
        /// </summary>
        /// <param name="ctx">连接上下信息</param>
        /// <param name="ex">异常信息</param>
        /// <returns></returns>
        private Response OnErroe(NancyContext ctx, Exception ex)
        {
            try
            {
                this.WriteLog(ctx, ex);
            }
            catch (Exception)
            {
            }
            string msg = "智慧校园提醒您：" + ex.Message;
            return Response.AsText(new ResParameter { code = ResponseCode.exception, info = msg }.ToJson()).WithContentType("application/json").WithStatusCode(HttpStatusCode.OK);
        }
        /// <summary>
        /// 写入日志（log4net）
        /// </summary>
        /// <param name="context">提供使用</param>
        private void WriteLog(NancyContext context, Exception ex)
        {
            if (context == null)
                return;
            string path = context.ResolvedRoute.Description.Path;
            var userInfo = LoginUserInfo.Get();
            var log = LogFactory.GetLogger("workflowapi");
            Exception Error = ex;
            LogMessage logMessage = new LogMessage();
            logMessage.OperationTime = DateTime.Now;
            logMessage.Url = path;
            logMessage.Class = "workflowapi";
            logMessage.Ip = Net.Ip;
            logMessage.Host = Net.Host;
            logMessage.Browser = Net.Browser;
            if (userInfo != null)
            {
                logMessage.UserName = userInfo.account + "（" + userInfo.realName + "）";
            }

            if (Error.InnerException == null)
            {
                logMessage.ExceptionInfo = Error.Message;
            }
            else
            {
                logMessage.ExceptionInfo = Error.InnerException.Message;
            }
            logMessage.ExceptionSource = Error.Source;
            logMessage.ExceptionRemark = Error.StackTrace;
            string strMessage = new LogFormat().ExceptionFormat(logMessage);
            log.Error(strMessage);

            LogEntity logEntity = new LogEntity();
            logEntity.F_CategoryId = 4;
            logEntity.F_OperateTypeId = ((int)OperationType.Exception).ToString();
            logEntity.F_OperateType = EnumAttribute.GetDescription(OperationType.Exception);
            logEntity.F_OperateAccount = logMessage.UserName;
            if (userInfo != null)
            {
                logEntity.F_OperateUserId = userInfo.userId;
            }
            logEntity.F_ExecuteResult = -1;
            logEntity.F_ExecuteResultJson = strMessage;
            logEntity.F_Description = "PC端";
            logEntity.WriteLog();
            SendMail(strMessage);

        }
        /// <summary>
        /// 发送邮件
        /// </summary>
        /// <param name="body">消息</param>
        private void SendMail(string body)
        {
            bool ErrorToMail = Config.GetValue("ErrorToMail").ToBool();
            if (ErrorToMail == true)
            {
                string SystemName = Config.GetValue("SystemName");//系统名称
                string recMail = Config.GetValue("RereceiveErrorMail");//接收错误信息邮箱
                MailHelper.Send("receivebug@learun.cn", SystemName + " - 发生异常", body.Replace("-", ""));
            }
        }
        #endregion
    }
}