using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
using Newtonsoft.Json;
using Znyc.CloudCar.Model.ViewModels.Basics;
using Znyc.CloudCar.Model.ViewModels.ReportsCallBack;

namespace Znyc.CloudCar.Filter
{
    /// <summary>
    /// 请求验证错误处理
    /// </summary>
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true)]
    public class RequiredError : ResultFilterAttribute
    {
        public override void OnResultExecuting(ResultExecutingContext context)
        {
            var modelState = context.ModelState;
            List<ErrorView> errors = new List<ErrorView>();
            if (!modelState.IsValid)
            {
                var baseResult = new ResponseOutput()
                {
                    Successed = false,
                    Msg = "请提交必要的参数",
                };
                foreach (var key in modelState.Keys)
                {
                    var state = modelState[key];
                    if (state.Errors.Any())
                    {
                        ErrorView errorView = new ErrorView();
                        errorView.ErrorName = key;
                        errorView.Error = state.Errors.First().ErrorMessage;
                        errors.Add(errorView);
                    }
                }
                ResponseOutput response = new ResponseOutput();
                response.Data = errors;
                response.Successed = false;
                context.Result = new ContentResult()
                {
                    Content = JsonConvert.SerializeObject(response),
                    ContentType = "application/json"
                };
            }
        }
    }
}