using Microsoft.AspNetCore.Components;
using MP.Core.DTO;

namespace MP.IOC.Components.Compo
{
    public partial class ParetoDetail
    {
        #region Public Properties

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

        [Parameter]
        public List<StatDataDTO> ParetoList { get; set; } = null!;

        [Parameter]
        public string Title { get; set; } = "";

        #endregion Public Properties

        #region Protected Methods

        protected override void OnParametersSet()
        {
            //base.OnParametersSet();
            totalCount = ParetoList.Count();
            grandTotal = ParetoList.Sum(x => x.Value);
            if (grandTotal == 0)
            {
                grandTotal = 1;
            }
            if (_title != Title)
            {
                _title = Title;
                currSelect = "";
            }
            UpdateTable();
        }

        protected double valPerc(double valore)
        {
            return valore / grandTotal;
        }

        #endregion Protected Methods

        #region Private Fields

        private string currSelect = "";
        private double grandTotal = 1;
        private List<StatDataDTO> ListPaged = new();
        private int numRecPage = 10;
        private int pageNum = 1;
        private int totalCount = 0;

        #endregion Private Fields

        #region Private Properties

        private string _title { get; set; } = null!;

        #endregion Private Properties

        #region Private Methods

        private string CheckSelect(string curKey)
        {
            return !string.IsNullOrEmpty(currSelect) && currSelect == curKey ? "bg-dark text-light bg-gradient" : "";
        }

        private async Task DoReset()
        {
            currSelect = "";
            await EC_Selected.InvokeAsync("");
        }

        private async Task DoSelect(string reqKey)
        {
            if (ParetoList.Any(x => x.Label == reqKey))
            {
                currSelect = reqKey;
                await EC_Selected.InvokeAsync(reqKey);
            }
        }

        private void SaveNumRec(int newNum)
        {
            numRecPage = newNum;
            UpdateTable();
        }

        private void SavePage(int newNum)
        {
            pageNum = newNum;
            UpdateTable();
        }

        private void UpdateTable()
        {
            // esegue paginazione
            if (totalCount > numRecPage)
            {
                ListPaged = ParetoList.Skip((pageNum - 1) * numRecPage).Take(numRecPage).ToList();
            }
            else
            {
                ListPaged = ParetoList;
            }
        }

        #endregion Private Methods
    }
}