ReaderTextOutput.cs

using System;
using System.Collections.Generic;
using System.Text;
using OSDP.Net.Messages;
using OSDP.Net.Messages.SecureChannel;
 
namespace OSDP.Net.Model.CommandData
{
    public class ReaderTextOutput : CommandData
    {
        public ReaderTextOutput(byte readerNumber, TextCommand textCommand, byte temporaryTextTime, byte row, byte column, string text)
        {
            ReaderNumber = readerNumber;
            TextCommand = textCommand;
            TemporaryTextTime = temporaryTextTime;
            Row = row;
            Column = column;
            Text = text;
        }

        public byte ReaderNumber { get; }

        public TextCommand TextCommand { get; }

        public byte TemporaryTextTime { get; }

        public byte Row { get; }

        public byte Column { get; }

        public string Text { get; }

        public static ReaderTextOutput ParseData(ReadOnlySpan<byte> data)
        {
            string text = Encoding.ASCII.GetString(data.Slice(6).ToArray());
            return new ReaderTextOutput(data[0], (TextCommand)data[1], data[2], data[3], data[4], text);
        }

        public override CommandType CommandType => CommandType.TextOutput;

        public override byte Code => (byte)CommandType;
        
        public override ReadOnlySpan<byte> SecurityControlBlock()
        {
            return SecurityBlock.CommandMessageWithDataSecurity;
        }

        public override byte[] BuildData()
        {
            var data = new List<byte>
                {ReaderNumber, (byte) TextCommand, TemporaryTextTime, Row, Column, (byte) Text.Length};
            data.AddRange(Encoding.ASCII.GetBytes(Text.Substring(0, Math.Min(Text.Length, byte.MaxValue))));
            return data.ToArray();
        }

        public override string ToString()
        {
            var sb = new StringBuilder();
            sb.AppendLine($" Reader Number: {ReaderNumber}");
            sb.AppendLine($"  Text Command: {TextCommand}");
            sb.AppendLine($"Temp Text Time: {TemporaryTextTime}");
            sb.AppendLine($"   Row, Column: {Row}, {Column}");
            sb.AppendLine($"  Display Text: {Text}");
            return sb.ToString();
        }
    }

    public enum TextCommand
    {
        PermanentTextNoWrap = 0x01,

        PermanentTextWithWrap = 0x02,

        TemporaryTextNoWrap = 0x03,

        TemporaryTextWithWrap = 0x04
    }
}