namespace PS.IPAM.Cmdlets;
using System;
using System.Collections.Generic;
using System.Management.Automation;
using PS.IPAM;
using PS.IPAM.Helpers;

[Cmdlet(VerbsCommon.Get, "Nameserver", DefaultParameterSetName = "NoParams")]
[OutputType(typeof(Nameserver))]
public class GetNameserverCmdlet : PSCmdlet
{
    [Parameter(
        Mandatory = true,
        ValueFromPipeline = true,
        ValueFromPipelineByPropertyName = true,
        Position = 0,
        ParameterSetName = "ByID")]
    [ValidateNotNullOrEmpty]
    public int? Id { get; set; }

    protected override void ProcessRecord()
    {
        try
        {
            var identifiers = new List<string>();
            if (Id.HasValue)
            {
                identifiers.Add(Id.Value.ToString());
            }

            var result = RequestHelper.InvokeRequest("GET", controllers.tools, types.Nameserver, subcontrollers.nameservers, null, identifiers.Count > 0 ? identifiers.ToArray() : null)
                .GetAwaiter().GetResult();

            if (result != null)
            {
                if (result is System.Collections.IEnumerable enumerable && !(result is string))
                {
                    foreach (var item in enumerable)
                    {
                        WriteObject(item);
                    }
                }
                else
                {
                    WriteObject(result);
                }
            }
        }
        catch (Exception ex)
        {
            WriteError(new ErrorRecord(ex, "GetNameserverError", ErrorCategory.InvalidOperation, null));
        }
    }
}