using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Mvc;
using FluentValidation.Results;

namespace Pcb.Common.Extension
{
    public static class ValidationResultExtensition
    {
        /// <summary>
        /// 添加错误信息到ModelState的Error集合。
        /// </summary>
        /// <param name="source">ValidationResult</param>
        /// <param name="modelState">System.Web.Mvc.ModelStateDictionary</param>
        /// <param name="isExposeProperty">True:使用属性名，False：不用属性名</param>
        public static void AppendToModelStateError(this ValidationResult source, ModelStateDictionary modelState, bool isExposeProperty = false)
        {
            source.Errors.ToList()
                .ForEach(
                    error =>
                    {
                        modelState.AddModelError(isExposeProperty ? error.PropertyName : "", error.ErrorMessage);
                    });
        }

        public static object ToErrorMsgList(this IList<ValidationFailure> erroes, ModelStateDictionary modelState)
        {
            var list = erroes.Select(d => new { PropertyName = d.PropertyName, ErrorMessage = d.ErrorMessage }).ToList();
            var list2 = modelState.Where(x => x.Value.Errors.Count > 0).Select(x => new { PropertyName = x.Key, ErrorMessage = x.Value.Errors[0].ErrorMessage }).ToList();
            list.AddRange(list2);
            return list;
        }

        public static object ToErrorMsgList(this ModelStateDictionary modelState)
        {
            var list = modelState.Where(x => x.Value.Errors.Count > 0).Select(x => new { PropertyName = x.Key, ErrorMessage = x.Value.Errors[0].ErrorMessage }).ToList();
            return list;
        }
    }
}