using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Threading;
using AsbCloudApp.Data;
using AsbCloudApp.Services;

namespace AsbCloudInfrastructure.Services;

public class NotificationSendingQueueService : INotificationSendingQueueService
{
	private readonly ManualResetEventSlim manualResetEventSlim = new();
	private readonly ConcurrentQueue<NotificationDto> notificationsQueue = new();

	public bool IsEmpty => notificationsQueue.IsEmpty;

	public void Enqueue(NotificationDto notification)
	{
		notificationsQueue.Enqueue(notification);
		manualResetEventSlim.Set();
	}

	public void EnqueueRange(IEnumerable<NotificationDto> notifications)
	{
		foreach (var notification in notifications)
		{
			notificationsQueue.Enqueue(notification);
		}
		
		manualResetEventSlim.Set();
	}

	public bool TryDequeue(out NotificationDto notification)
	{
		return notificationsQueue.TryDequeue(out notification!);
	}

	public void Wait(CancellationToken cancellationToken)
	{
		manualResetEventSlim.Wait(cancellationToken);
		manualResetEventSlim.Reset();
	}
}