using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Quadarax.Foundation.Core.Business.Processor.Enums;
using Quadarax.Foundation.Core.Business.Processor.Providers;
using Quadarax.Foundation.Core.Business.Processor.Task;
using Quadarax.Foundation.Core.Logging;
using Quadarax.Foundation.Core.Object;

namespace Quadarax.Foundation.Core.Business.Processor.Queue
{
    public class ProcessQueue : DisposableObject
    {

        #region *** Properties ***
        public bool IsRunning { get; private set; }
        public string QueueIdentifier { get; private set; }
        #endregion

        #region *** Constructors ***
        public ProcessQueue(string processQueueIdentifierToken, IProcessorStorageProvider storage, ProcessQueueConfiguration configuration, CallbackDelegates delegates = null)
        {
            if (string.IsNullOrEmpty(processQueueIdentifierToken)) throw new ArgumentNullException(nameof(processQueueIdentifierToken));
            IdentifierToken = processQueueIdentifierToken;
            _delegates = delegates ?? new CallbackDelegates();

            _log = new QLogger().GetLogger(GetType());
            _configuration = configuration ?? throw new ArgumentNullException(nameof(configuration));
            _storageProvider = storage ?? throw new ArgumentNullException(nameof(storage));

            _configuration.Validate();		
            _processingItems = new ProcessQueueItem[_configuration.WorkersCount];
        }


        #endregion

        #region *** Public Operations ***
        public void Start()
        {
            throw new NotImplementedException();
        }

        public void Stop()
        {
            throw new NotImplementedException();
        }

        public ITaskIdentifier CreateTask()
        {

        }
        public ITaskItem GetTask(ITaskIdentifier id)
        {

        }
        public ITaskItem[] GetTask(ITaskIdentifier[] ids)
        {

        }

        public ITaskIdentifier[] QueryTasks(ProcessStatusEnum[] states, bool onlyValid = true, bool includeDeleted = false)
        {

        }

        #endregion

        #region *** Private Operations ***
        protected override void OnDisposing()
        {
            throw new NotImplementedException();
        }
        #endregion
    }
}