using DTO;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace zhengcaioa.Model
{
    public class HttpGlobalExceptionFilter : ExceptionFilterAttribute
    {
        private readonly ILogger<HttpGlobalExceptionFilter> _logger;
        public HttpGlobalExceptionFilter(ILogger<HttpGlobalExceptionFilter> logger)
        {
            _logger = logger;
        }

        public override void OnException(ExceptionContext context)
        {

            var actionName = context.HttpContext.Request.RouteValues["controller"] + "/" + context.HttpContext.Request.RouteValues["action"];
            _logger.LogError($"--------{actionName} Error Begin--------");
            _logger.LogError($"  Error Detail:" + context.Exception.Message);
            //拦截处理
            if (!context.ExceptionHandled)
            {
                ContentResult Content = new ContentResult();
                Content.Content = GetRestContent(context.Exception.Message);
                Content.ContentType = "text/html";

                context.Result = Content;
                context.ExceptionHandled = true;
            }
            _logger.LogError($"--------{actionName} Error End--------");
        }


        public static string GetRestContent(string msg)
        {
            StringBuilder jsContent = new StringBuilder();
            jsContent.AppendLine("<script type=\"text/javascript\">                                      ");
            jsContent.AppendLine("  alert(\"" + msg + "\");                  ");
            jsContent.AppendLine("</script>                                                              ");

            return jsContent.ToString();
        }
    }
}