using System;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc.Formatters;

namespace PodNoms.Api.Services.Push.Formatters {
    internal class TextPlainInputFormatter : TextInputFormatter {
        public TextPlainInputFormatter() {
            SupportedMediaTypes.Add("text/plain");
            SupportedEncodings.Add(UTF8EncodingWithoutBOM);
            SupportedEncodings.Add(UTF16EncodingLittleEndian);
        }

        protected override bool CanReadType(Type type) {
            return type == typeof(string);
        }

        public override async Task<InputFormatterResult> ReadRequestBodyAsync(InputFormatterContext context, Encoding encoding) {
            string data = null;
            using (var streamReader = context.ReaderFactory(context.HttpContext.Request.Body, encoding)) {
                data = await streamReader.ReadToEndAsync();
            }
            return InputFormatterResult.Success(data);
        }
    }
}