OutputControls.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OSDP.Net.Messages;
using OSDP.Net.Messages.SecureChannel;
 
namespace OSDP.Net.Model.CommandData
{
    public class OutputControls : CommandData
    {
        public OutputControls(IEnumerable<OutputControl> controls)
        {
            if (controls == null) throw new ArgumentNullException(nameof(controls));
            
            Controls = controls.ToArray();
            
            if (!Controls.Any())
            {
                throw new Exception("Requires at least one output control");
            }
        }

        public IEnumerable<OutputControl> Controls { get; }
        
        public override CommandType CommandType => CommandType.OutputControl;

        public override ReadOnlySpan<byte> SecurityControlBlock() => SecurityBlock.CommandMessageWithDataSecurity;

        public override byte Code => (byte)CommandType;

        public override byte[] BuildData()
        {
            var data = new List<byte>();
            foreach (var outputControl in Controls)
            {
                data.AddRange(outputControl.BuildData());
            }
 
            return data.ToArray();
        }

        public static OutputControls ParseData(ReadOnlySpan<byte> payloadData)
        {
            return new OutputControls(SplitData(4, data => OutputControl.ParseData(data), payloadData));
        }

        public override string ToString()
        {
            var sb = new StringBuilder();
            sb.AppendLine($"Output Count: {Controls.Count()}");
            foreach (var control in Controls)
            {
                sb.AppendLine($" Output #: {control.OutputNumber}");
                sb.AppendLine($"     Code: {control.OutputControlCode}");
                sb.AppendLine($"     Time: {control.Timer} (100ms units)");
            }
            return sb.ToString();
        }
    }
}