using System;
using System.Text;
using DS.WMS.PrintApi.Model;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
using NLog;

namespace DS.WMS.PrintApi
{
    /// <summary>
    /// 全局异常错误日志
    /// </summary>
    public class GlobalExceptionsFilter : IExceptionFilter
    {
        private readonly IHostingEnvironment _env;
        private static readonly Logger Logger = LogManager.GetCurrentClassLogger();

        public GlobalExceptionsFilter(IHostingEnvironment env)
        {
            _env = env;
        }

        public void OnException(ExceptionContext context)
        {
            var json = new JsonErrorResponse();

            json.Message = context.Exception.Message; //错误信息
            if (_env.IsDevelopment())
            {
                json.DevelopmentMessage = context.Exception.StackTrace; //堆栈信息
            }

            var result = PrintDataResult.Failed(json.Message);

            var objectResult = new BadRequestObjectResult(result);
            objectResult.StatusCode = (int?)StatusCodes.Status200OK;
            context.Result = objectResult;
            // context.Result = new InternalServerErrorObjectResult(json);

            //MiniProfiler.Current.CustomTiming("Errors：", json.Message);
            //记录异常到日志
            StringBuilder exMsg = new StringBuilder();
            exMsg.AppendLine($"【异常方法:】{context.HttpContext.Request.Path}");
            exMsg.AppendLine($"【请求类型:】{context.HttpContext.Request.Method}");
            exMsg.AppendLine($"【异常错误:】{context.Exception.Message}");
            exMsg.AppendLine($"【堆栈跟踪:】{context.Exception.StackTrace}");
            // logger.LogError(exMsg.ToString());
            Logger.Log(NLog.LogLevel.Error, exMsg.ToString());
            // Logger.Log(NLog.LogLevel.Info, "异常信息：" + JsonConvert.SerializeObject(context.Exception));
            //采用log4net 进行错误日志记录
            //_loggerHelper.Error(json.Message, WriteLog(json.Message, context.Exception));

            //_hubContext.Clients.All.SendAsync("ReceiveUpdate", LogLock.GetLogData()).Wait();
        }

        /// <summary>
        /// 自定义返回格式
        /// </summary>
        /// <param name="throwMsg"></param>
        /// <param name="ex"></param>
        /// <returns></returns>
        public string WriteLog(string throwMsg, Exception ex)
        {
            return string.Format("【自定义错误】：{0} \r\n【异常类型】：{1} \r\n【异常信息】：{2} \r\n【堆栈调用】：{3}", new object[]
            {
                throwMsg,
                ex.GetType().Name, ex.Message, ex.StackTrace
            });
        }
    }

    /// <summary>
    ///
    /// </summary>
    public class InternalServerErrorObjectResult : ObjectResult
    {
        public InternalServerErrorObjectResult(object value) : base(value)
        {
            StatusCode = StatusCodes.Status500InternalServerError;
        }
    }

    /// <summary>
    /// 返回错误信息
    /// </summary>
    public class JsonErrorResponse
    {
        /// <summary>
        /// 生产环境的消息
        /// </summary>
        public string Message { get; set; }

        /// <summary>
        /// 开发环境的消息
        /// </summary>
        public string DevelopmentMessage { get; set; }
    }
}