using Connected.Middleware.Annotations;
using Connected.Notifications;
using Connected.Notifications.Events;
using Connected.ServiceModel;
using Logistics.Documents.Receive;
using Microsoft.Extensions.Logging;

namespace Logistics.Documents.Listeners;
[Middleware<IReceiveDocumentService>(nameof(IReceiveDocumentService.ItemUpdated))]
internal sealed class ReceiveItemListener : EventListener<PrimaryKeyEventArgs<long>>
{
	public ReceiveItemListener(ILogger<ReceiveItemListener> logger, IReceiveDocumentService documents)
	{
		Logger = logger;
		Documents = documents;
	}

	private ILogger<ReceiveItemListener> Logger { get; }
	private IReceiveDocumentService Documents { get; }

	protected override async Task OnInvoke()
	{
		if (await Documents.SelectItem(Arguments.Id) is not IReceiveItem item)
		{
			Logger.LogWarning("The IReceiveItem not found ({id}}.", Arguments.Id);
			return;
		}

		var items = await Documents.QueryItems(item.Document);

		await Documents.Patch(new PatchArgs<int>
		{
			Id = item.Document,
			Properties = new Dictionary<string, object>
			{
				{nameof(IReceiveDocument.OpenItemCount), items.Count(f=>f.PostedQuantity<f.Quantity)}
			}
		});
	}
}