using IM.Commons;
using IM.DomainCommons;
using Microsoft.AspNetCore.Http;

namespace IM.ASPNETCore
{
    public class ExceptionMiddleware
    {
        private readonly RequestDelegate _next;
        public ExceptionMiddleware(RequestDelegate next)
        {
            _next = next;
        }

        public async Task InvokeAsync(HttpContext context)
        {
            try
            {
                await _next(context);
            }
            catch (DomainException ex)
            {
                await DomainExceptionHandlerAsync(context, ex);
            }
        }

        public Task DomainExceptionHandlerAsync(HttpContext context, DomainException ex)
        {
            context.Response.ContentType = "application/json";
            var result = Result<object>.Fail(ResultCode.PARAMETER_ERROR, ex.Message); // 包装成你的 Result
            return context.Response.WriteAsJsonAsync(result);
        }
    }
}