using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core.Attributes;

namespace WIDESEA_Core.Utilities
{
    public static class ParamsValidator
    {
        public static void ActionParamsValidator(this ActionExecutingContext context)
        {
            List<object> obj = context.ActionDescriptor.EndpointMetadata.ToList();

            if (obj.Any(x => x is MethodParamsValidateAttribute))
            {
                foreach (var param in context.ActionDescriptor.Parameters)
                {
                    ModelValidateAttribute? modelValidate = param.ParameterType.GetCustomAttribute<ModelValidateAttribute>();
                    if (modelValidate != null && context.ActionArguments.TryGetValue(param.Name, out object? value))
                    {
                        if (value != null)
                        {
                            (bool, string, object?) result = ModelValidate.ValidateModelData(value, param.ParameterType);
                            if (!result.Item1)
                            {
                                context.Result = new JsonResult(new WebResponseContent()
                                {
                                    Status = false,
                                    Data = result.Item3,
                                    Message = result.Item2
                                });
                            }
                        }
                    }
                }
            }
        }
    }
}