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

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

    [Parameter(
        Mandatory = false,
        ValueFromPipeline = true,
        ValueFromPipelineByPropertyName = true,
        Position = 0,
        ParameterSetName = "ByAddressObject")]
    [ValidateNotNullOrEmpty]
    public Address? AddressObject { get; set; }

    [Parameter(
        Mandatory = false,
        ValueFromPipeline = true,
        ValueFromPipelineByPropertyName = true,
        Position = 0,
        ParameterSetName = "BySubnetObject")]
    [ValidateNotNullOrEmpty]
    public Subnetwork? SubnetObject { get; set; }

    protected override void ProcessRecord()
    {
        try
        {
            var identifiers = new List<string> { "tags" };

            switch (ParameterSetName)
            {
                case "ByID":
                    if (Id.HasValue)
                    {
                        identifiers.Add(Id.Value.ToString());
                    }
                    break;
                case "ByAddressObject":
                    if (AddressObject?.TagId > 0)
                    {
                        identifiers.Add(AddressObject.TagId.ToString());
                    }
                    else
                    {
                        return;
                    }
                    break;
                case "BySubnetObject":
                    if (SubnetObject?.TagId > 0)
                    {
                        identifiers.Add(SubnetObject.TagId.ToString());
                    }
                    else
                    {
                        return;
                    }
                    break;
            }

            var result = RequestHelper.InvokeRequest("GET", controllers.addresses, types.Tag, null, null, identifiers.ToArray())
                .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, "GetTagError", ErrorCategory.InvalidOperation, null));
        }
    }
}