namespace Sick.SafetyScanners.Cola2.Commands;

/// <summary>
/// Command to close a COLA2 session
/// </summary>
public sealed class CloseSessionCommand : CommandBase
{
    public CloseSessionCommand() 
        : base(0x43, 0x58) // 'C' and 'X' in ASCII
    {
    }
    
    public override bool CanBeExecutedWithoutSessionId => false;
    
    protected override ReadOnlyMemory<byte> AddTelegramData()
    {
        // Close session command has no additional data
        return ReadOnlyMemory<byte>.Empty;
    }
    
    protected override bool ProcessReplyInternal(ReadOnlyMemory<byte> replyData, 
        byte replyCommandType, byte replyCommandMode)
    {
        // Reply should be 'C' (0x43) and 'A' (0x41) for Acknowledge
        if ((replyCommandType == 0x43 && replyCommandMode == 0x41) ||
            (replyCommandType == 'C' && replyCommandMode == 'A'))
        {
            return true;
        }
        
        return false;
    }
}