using Newtonsoft.Json.Linq;
using S7.Net.Types;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BPASmartClient.S7Net
{
    public static class Conversion
    {
        /// <summary>
        /// 将二进制字符串转换为 Int32 值
        /// </summary>
        /// <param name="txt"></param>
        /// <returns></returns>
        public static int BinStringToInt32(this string txt)
        {
            int num = 0;
            for (int i = 0; i < txt.Length; i++)
            {
                num = (num << 1) | ((txt[i] == '1') ? 1 : 0);
            }
            return num;
        }

        /// <summary>
        /// 将二进制字符串转换为字节。 可以返回空值。
        /// </summary>
        /// <param name="txt"></param>
        /// <returns></returns>
        public static byte? BinStringToByte(this string txt)
        {
            if (txt.Length == 8)
            {
                return (byte)txt.BinStringToInt32();
            }

            return null;
        }

        /// <summary>
        /// 将值转换为二进制字符串
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static string ValToBinString(this object value)
        {
            int num = 0;
            int num2 = 0;
            int num3 = 0;
            string text = "";
            long num4 = 0L;
            try
            {
                if (value.GetType().Name.IndexOf("[]") < 0)
                {
                    switch (value.GetType().Name)
                    {
                        case "Byte":
                            num3 = 7;
                            num4 = (byte)value;
                            break;
                        case "Int16":
                            num3 = 15;
                            num4 = (short)value;
                            break;
                        case "Int32":
                            num3 = 31;
                            num4 = (int)value;
                            break;
                        case "Int64":
                            num3 = 63;
                            num4 = (long)value;
                            break;
                        default:
                            throw new Exception();
                    }

                    for (num = num3; num >= 0; num += -1)
                    {
                        text = (((num4 & (long)Math.Pow(2.0, num)) <= 0) ? (text + "0") : (text + "1"));
                    }
                }
                else
                {
                    switch (value.GetType().Name)
                    {
                        case "Byte[]":
                            {
                                num3 = 7;
                                byte[] array4 = (byte[])value;
                                for (num2 = 0; num2 <= array4.Length - 1; num2++)
                                {
                                    for (num = num3; num >= 0; num += -1)
                                    {
                                        text = (((array4[num2] & (byte)Math.Pow(2.0, num)) <= 0) ? (text + "0") : (text + "1"));
                                    }
                                }

                                break;
                            }
                        case "Int16[]":
                            {
                                num3 = 15;
                                short[] array2 = (short[])value;
                                for (num2 = 0; num2 <= array2.Length - 1; num2++)
                                {
                                    for (num = num3; num >= 0; num += -1)
                                    {
                                        text = (((array2[num2] & (byte)Math.Pow(2.0, num)) <= 0) ? (text + "0") : (text + "1"));
                                    }
                                }

                                break;
                            }
                        case "Int32[]":
                            {
                                num3 = 31;
                                int[] array3 = (int[])value;
                                for (num2 = 0; num2 <= array3.Length - 1; num2++)
                                {
                                    for (num = num3; num >= 0; num += -1)
                                    {
                                        text = (((array3[num2] & (byte)Math.Pow(2.0, num)) <= 0) ? (text + "0") : (text + "1"));
                                    }
                                }

                                break;
                            }
                        case "Int64[]":
                            {
                                num3 = 63;
                                byte[] array = (byte[])value;
                                for (num2 = 0; num2 <= array.Length - 1; num2++)
                                {
                                    for (num = num3; num >= 0; num += -1)
                                    {
                                        text = (((array[num2] & (byte)Math.Pow(2.0, num)) <= 0) ? (text + "0") : (text + "1"));
                                    }
                                }

                                break;
                            }
                        default:
                            throw new Exception();
                    }
                }

                return text;
            }
            catch
            {
                return "";
            }
        }

        /// <summary>
        /// 获取字节指定位的值
        /// </summary>
        /// <param name="data"></param>
        /// <param name="bitPosition"></param>
        /// <returns></returns>
        public static bool SelectBit(this byte data, int bitPosition)
        {
            int num = 1 << bitPosition;
            return (data & num) != 0;
        }

        public static short ConvertToShort(this ushort input)
        {
            return short.Parse(input.ToString("X"), NumberStyles.HexNumber);
        }

        public static ushort ConvertToUshort(this short input)
        {
            return ushort.Parse(input.ToString("X"), NumberStyles.HexNumber);
        }


        public static int ConvertToInt(this uint input)
        {
            return int.Parse(input.ToString("X"), NumberStyles.HexNumber);
        }

        public static uint ConvertToUInt(this int input)
        {
            return uint.Parse(input.ToString("X"), NumberStyles.HexNumber);
        }

        public static uint ConvertToUInt(this float input)
        {
            return DWord.FromByteArray(Real.ToByteArray(input));
        }

        public static float ConvertToFloat(this uint input)
        {
            return Real.FromByteArray(DWord.ToByteArray(input));
        }


    }
}