namespace Lux.UI.Components.Compo.WorkLoad
{
    public partial class JobQueueDisplay
    {
        #region Public Properties

        [Parameter]
        public EventCallback<string> EC_ReRunJob { get; set; }

        [Parameter]
        public EventCallback<string> EC_ResetQueue { get; set; }

        [Parameter]
        public List<string> QueueWait { get; set; } = new List<string>();

        [Parameter]
        public List<string> QueueRun { get; set; } = new List<string>();

        [Parameter]
        public List<string> QueueDone { get; set; } = new List<string>();

        #endregion Public Properties

        #region Protected Methods

        protected override void OnParametersSet()
        {
            UpdateTable();
        }

        protected Task ReRunJob(string? JobCode)
        {
            return EC_ReRunJob.InvokeAsync(JobCode);
        }

        protected Task ResetRunQueue()
        {
            return EC_ResetQueue.InvokeAsync("Run");
        }

        protected Task ResetWaitQueue()
        {
            return EC_ResetQueue.InvokeAsync("Wait");
        }

        protected void SaveNumRec(int newNum)
        {
            numRecord = newNum;
            UpdateTable();
        }

        protected void SavePage(int newNum)
        {
            currPage = newNum;
            UpdateTable();
        }

        #endregion Protected Methods

        #region Private Fields

        /// <summary>
        /// pagina attuale
        /// </summary>
        private int currPage = 1;

        /// <summary>
        /// elementi per pagina
        /// </summary>
        private int numRecord = 10;

        /// <summary>
        /// Numero tot records
        /// </summary>
        private int totalCount = 0;

        #endregion Private Fields

        #region Private Properties

        private IEnumerable<string>? QueueDonePaged { get; set; } = null;

        #endregion Private Properties

        #region Private Methods

        /// <summary>
        /// Filtro e paginazione
        /// </summary>
        private void UpdateTable()
        {
            // fix paginazione
            QueueDonePaged = QueueDone
                            .Skip(numRecord * (currPage - 1))
                            .Take(numRecord);
            totalCount = QueueDone.Count();
        }

        #endregion Private Methods

        /// <summary>
        /// Esegue reset secondo tipo richiesta e coda
        /// </summary>
        /// <param name="qType"></param>
        /// <returns></returns>
        private async Task ResetQueue(string qType)
        {
            // reset secondo richiesta...
            switch (qType)
            {
                case "Waiting":
                    await ResetWaitQueue();
                    break;
                case "Running":
                    await ResetRunQueue();
                    break;
                default:
                    break;
            }
        }
    }
}