using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
using System.Reflection.Emit;

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> QueueRun { get; set; } = new List<string>();

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

        #endregion Public Properties

        #region Protected Methods

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

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

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

        #endregion Protected Methods

        #region Private Properties

        private int NumRun
        {
            get => QueueRun.Count();
        }

        /// <summary>
        /// elementi per pagina
        /// </summary>
        private int PageSize = 10;
        /// <summary>
        /// pagina attuale
        /// </summary>
        private int CurrentPage = 1;

        private IEnumerable<string> PagedQueueRun =>
            QueueRun
                .Skip((CurrentPage - 1) * PageSize)
                .Take(PageSize);

        private int TotalPages => (int)Math.Ceiling((double)QueueRun.Count / PageSize);

        private void GoToPage(int page)
        {
            if (page < 1) page = 1;
            if (page > TotalPages) page = TotalPages;
            CurrentPage = page;
        }


        #endregion Private Properties
    }
}