using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
//using System.Threading.Tasks;

namespace WPFSerialAssistant
{
    public static class Utilities
    {
		public static  double m_Resolution = 0.0001; //分辨率设置 0.1um
		public static string BytesToText(List<byte> bytesBuffer, ReceiveMode mode, Encoding encoding)
		{
			string result = "";
			
			{
				switch (mode)
				{
					case ReceiveMode.Character: //
						return encoding.GetString(bytesBuffer.ToArray<byte>());

					case ReceiveMode.Hex: //十六进制
						int totalBytes = bytesBuffer.ToArray<byte>().Length;
						byte[] pointByteArray = bytesBuffer.ToArray<byte>();

						result += "\n当前字节数: " + totalBytes.ToString() + ", 取整后点数: " + Math.Floor((double)totalBytes / 12) + "\n";

						if (bytesBuffer.Count() == 2)
						{
							return "\n" +encoding.GetString(bytesBuffer.ToArray<byte>()) + "\n";
						}
						else if (bytesBuffer.Count() % 12 != 0)
						{
							foreach (var item in bytesBuffer)
							{
								result += Convert.ToString(item, 16).ToUpper() + " "; //普通显示
							}
						}
						else //当返回字节数为 12倍数，认为XYZ坐标点
						{

							for (int i=0; i< Math.Floor((double)totalBytes/12); i++) //获得总点数
							{
								//每12个点一解析，循环					
								int tempX2 = pointByteArray[12 * i + 0] | pointByteArray[12 * i + 1] << 8 | pointByteArray[12 * i + 2] << 16 | pointByteArray[12 * i + 3] << 24;
								int tempY2 = pointByteArray[12 * i + 4] | pointByteArray[12 * i + 5] << 8 | pointByteArray[12 * i + 6] << 16 | pointByteArray[12 * i + 7] << 24;
								int tempZ2 = pointByteArray[12 * i + 8] | pointByteArray[12 * i + 9] << 8 | pointByteArray[12 * i + 10] << 16 | pointByteArray[12 * i + 11] << 24;
								result += "Point: " + (i + 1).ToString()+"\t X: " + (tempX2 * m_Resolution).ToString() + "\t Y1: " + (tempY2 * m_Resolution).ToString() + "\t Y2: " + (tempZ2 * m_Resolution).ToString() + "\n";
							}
						}
						
						break;
					case ReceiveMode.Decimal: //十进制
						foreach (var item in bytesBuffer)
						{
							result += Convert.ToString(item, 10) + " ";
						}						
						break;
					case ReceiveMode.Octal: //八进制
						foreach (var item in bytesBuffer)
						{
							result += Convert.ToString(item, 8) + " ";
						}							
						break;
					case ReceiveMode.Binary: //二进制

						foreach (var item in bytesBuffer)
						{
							result += Convert.ToString(item, 2) + " ";
						}							
						break;
					default:
						break;
				}
			}

			return result;
			
		}

        public static string ToSpecifiedText(string text, SendMode mode, Encoding encoding)
        {
            string result = "";
            switch (mode)
            {
                case SendMode.Character:
                    text = text.Trim();

                    // 转换成字节
                    List<byte> src = new List<byte>();

                    string[] grp = text.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);

                    foreach (var item in grp)
                    {
                        src.Add(Convert.ToByte(item, 16));
                    }

                    // 转换成字符串
                    result = encoding.GetString(src.ToArray<byte>());
                    break;
                    
                case SendMode.Hex:
                    
                    byte[] byteStr = encoding.GetBytes(text.ToCharArray());

                    foreach (var item in byteStr)
                    {
                        result += Convert.ToString(item, 16).ToUpper() + " ";
                    }
                    break;
                default:
                    break;
            }

            return result.Trim();
        }

    }
}