using Ds.WMS.MogonDb.Commond;
using Ds.WMS.WebCore.exception;
using Microsoft.AspNetCore.Http;
using Newtonsoft.Json;
using System.Net;

namespace Ds.WMS.WebCore.applog
{
    public class GlobalExceptionHandler
    {
        private readonly RequestDelegate _next;

        public GlobalExceptionHandler(RequestDelegate next)
        {
            _next = next;
        }

        public async Task Invoke(HttpContext context)
        {
            try
            {
                await _next(context);
            }
            catch (Exception ex)
            {
                await HandleExceptionAsync(context, ex);
            }
        }

        private static Task HandleExceptionAsync(HttpContext context, Exception ex)
        {
            var code = HttpStatusCode.InternalServerError;
            var message = ex.Message;

            if (ex is UnauthorizedAccessException)
            {
                code = HttpStatusCode.Unauthorized;
                message = "没有权限";
            }
            else if (ex is NotFoundException)
            {
                code = HttpStatusCode.NotFound;
                message = "没有数据";
            }
            else if (ex is BadRequestException)
            {
                code = HttpStatusCode.BadRequest;
                message = "操作失败";
            }

            var result = JsonConvert.SerializeObject(new { error = message });
            context.Response.ContentType = "application/json";
            context.Response.StatusCode = (int)code;

            // 创建一个错误日志实体并保存到数据库
            var errorLog = new CostErrorLogCommand
            {
                StatusCode = context.Response.StatusCode,
                ErrorMessage = ex.Message,
                StackTrace = ex.StackTrace,
                // 设置其他属性...
                TimeStamp = DateTime.UtcNow
            };

            return context.Response.WriteAsync(result);
        }
    }
}