using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
using MudBlazor;
using System.Reflection;

namespace HotelPms.Client.Blazor.Util
{
    public static class MudBlazorExpandEx
    {
        internal static ElementReference GetRef<T>(this MudTextField<T> source)
        {
            Type type = source.GetType();
            BindingFlags flag = BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public;
            FieldInfo ff = type.GetField("_elementReference", flag);
            object mudInput = ff.GetValue(source);
            type = mudInput.GetType();
            ff = type.GetField("_elementReference", flag);
            object _elementReference = ff.GetValue(mudInput);  //input or textarea
            return (ElementReference)_elementReference;
        }

        public static ValueTask<string> GetInputValue<T>(this MudTextField<T> source, IJSRuntime JSRuntime)
        {
            try
            {
                ElementReference e = source.InputReference.ElementReference;
                return JSRuntime.InvokeAsync<string>("NetCallJs.getInputValue", e);
            }
            catch
            {
                return ValueTask.FromResult(string.Empty);
            }
        }

        public static ValueTask SetInputValue<T>(this MudTextField<T> source, IJSRuntime JSRuntime, string value)
        {
            try
            {
                ElementReference e = source.InputReference.ElementReference;
                return JSRuntime.InvokeVoidAsync("NetCallJs.setInputValue", e, value);
            }
            catch
            {
                return ValueTask.CompletedTask;
            }
        }
    }
}