using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;

namespace Infrastructure.Extensions
{
    public static class ByteExtensions
    {
        public static string ToBitString(this byte @byte)
        {
            return Convert.ToString(@byte, 2).PadLeft(8, '0');
        }

        public static int ToInt(this IEnumerable<byte> bytes)
        {
            if (bytes is null)
            {
                throw new ArgumentNullException(nameof(bytes));
            }

            return BitConverter.ToInt16(bytes.ToArray());
        }

        public static int ReadInt(this Stream bytes)
        {
            if (bytes is null)
            {
                throw new ArgumentNullException(nameof(bytes));
            }

            var buffer = new byte[2];
            bytes.Read(buffer);
            return BitConverter.ToInt16(buffer);
        }

        public static string ReadIntString(this Stream bytes, int length)
        {
            if (bytes is null)
            {
                throw new ArgumentNullException(nameof(bytes));
            }

            var buffer = new byte[length];
            bytes.Read(buffer);
            return string.Concat(buffer.Select(o => o.ToString(CultureInfo.CurrentCulture)));
        }

        public static string ReadASIIString(this Stream bytes, int length)
        {
            if (bytes is null)
            {
                throw new ArgumentNullException(nameof(bytes));
            }

            var buffer = new byte[length];
            bytes.Read(buffer);
            return Encoding.ASCII.GetString(buffer).Trim('\0');
        }

        public static string ReadHexString(this Stream bytes, int length)
        {
            if (bytes is null)
            {
                throw new ArgumentNullException(nameof(bytes));
            }

            var buffer = new byte[length];
            bytes.Read(buffer);
            return BitConverter.ToString(buffer.Reverse().ToArray()).Replace("-", "");
        }

        public static string ReadHexStringDesc(this Stream bytes, int length)
        {
            if (bytes is null)
            {
                throw new ArgumentNullException(nameof(bytes));
            }

            var buffer = new byte[length];
            bytes.Read(buffer);
            return BitConverter.ToString(buffer.Reverse().ToArray()).Replace("-", "", StringComparison.CurrentCulture).ToLower(CultureInfo.CurrentCulture);
        }

        public static byte[] Read(this Stream bytes, int length)
        {
            if (bytes is null)
            {
                throw new ArgumentNullException(nameof(bytes));
            }

            var buffer = new byte[length];
            bytes.Read(buffer);
            return buffer;
        }
    }
}