using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
using MP.Data.DbModels;
using MP.Data.Services;
using MP.Stats.Data;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;

namespace MP.Stats.Pages
{
    public partial class Energy : ComponentBase, IDisposable
    {
        #region Public Methods

        public void Dispose()
        {
            MServ.EA_SearchUpdated -= OnSeachUpdated;
            ListRecords.Clear();
            SearchRecords.Clear();
        }

        public async void OnSeachUpdated()
        {
            await InvokeAsync(() =>
             {
                 Task task = UpdateData();
                 StateHasChanged();
             });
        }

        #endregion Public Methods

        #region Protected Fields

        protected string fileName = "ODL_Energy.csv";

        protected List<AutocompleteModel> ListMacchine = new List<AutocompleteModel>();
        protected int NumMacc = 0;
        protected int TotalCount = 0;

        #endregion Protected Fields

        #region Protected Properties

        [Inject]
        protected IJSRuntime JSRuntime { get; set; }

        /// <summary>
        /// Verifica validit� selezione macchine
        /// </summary>
        protected bool MaccSelValid
        {
            get => currFilter.MaccSelValid;
        }

        [Inject]
        protected Data.MessageService MServ { get; set; }

        [Inject]
        protected NavigationManager NavManager { get; set; }

        [Inject]
        protected MpStatsService StatService { get; set; }

        [Inject]
        protected TranslateSrv TradService { get; set; }

        #endregion Protected Properties

        #region Protected Methods

        /// <summary>
        /// Verifica: se � nullo il valore pz totali --> current --> indico non confermato
        /// </summary>
        /// <param name="testRec"></param>
        /// <returns></returns>
        protected string CheckCurrent(OdlEnergyModel testRec)
        {
            string answ = "";
            if (testRec != null)
            {
                try
                {
                    answ = (testRec.TotCount01 + testRec.TotCount02 + testRec.TotCount03) == 0 || testRec.DataFine == null ? "text-secondary" : "";
                    //answ = (testRec.TotCount01 + testRec.TotCount02 + testRec.TotCount03) == 0 || testRec.DataFine == null ? "table-info opacity-75" : "";
                }
                catch
                { }
            }
            return answ;
        }

        protected async Task DoFilter(SelectData newFilter)
        {
            clearFile();
            SearchRecords = null;
            ListRecords = null;
            currFilter = newFilter;
            await ReloadData();
        }

        /// <summary>
        /// recupero UM del flusso indicato
        /// </summary>
        /// <param name="CodFlux"></param>
        /// <returns></returns>
        protected string GetUM(string CodFlux)
        {
            return StatService.FluxGetUM(CodFlux);
        }

        protected override async Task OnInitializedAsync()
        {
            isLoading = true;
            clearFile();
            MServ.ShowSearch = false;
            MServ.PageName = "ENERGY";
            MServ.PageIcon = "fa fa-chart-column";
            MServ.EA_SearchUpdated += OnSeachUpdated;
            await LoadConfData();
            await ReloadData();
            isLoading = false;
        }

        protected void ResetData()
        {
            clearFile();
            StatService.rollBackEdit(currRecord);
            currRecord = null;
        }

        protected async Task ResetFilter(SelectData newFilter)
        {
            clearFile();
            currRecord = null;
            SearchRecords = null;
            ListRecords = null;
            currFilter = SelectData.Init(5, 7);
            await ReloadData();
        }

        protected decimal righDiv(decimal num, decimal den)
        {
            if (den == 0)
            {
                den = 1;
            }
            decimal answ = num / den;
            return answ;
        }

        protected void SetNumRec(int newNum)
        {
            numRecord = newNum;
            DisplayData();
        }

        protected void SetPage(int newNum)
        {
            currPage = newNum;
            DisplayData();
        }


        /// <summary>
        /// Traduzione lemma richeisto (lingua default="IT")
        /// </summary>
        /// <param name="Lemma"></param>
        /// <returns></returns>
        protected string Traduci(string Lemma)
        {
            return TradService.Traduci(Lemma);
        }

        protected async Task UpdateData()
        {
            currRecord = null;
            await ReloadData();
        }

        #endregion Protected Methods

        #region Private Fields

        private List<ConfigModel> ConfigList;
        private OdlEnergyModel currRecord = null;

        private bool DynMode = true;
        private List<OdlEnergyModel> ListRecords;
        private int MaxDisplay = 20;
        private int numCount = 1;
        private int numTotEn = 1;
        private List<OdlEnergyModel> SearchRecords;

        #endregion Private Fields

        #region Private Properties

        private SelectData currFilter
        {
            get
            {
                return MServ.EnergyOdl_Filter;
            }
            set
            {
                MServ.EnergyOdl_Filter = value;
            }
        }

        private int currPage { get; set; } = 1;

        private string fullPath
        {
            get => $"{Directory.GetCurrentDirectory()}\\temp\\{fileName}";
        }

        private bool isLoading { get; set; } = false;
        private int numRecord { get; set; } = 10;

        #endregion Private Properties

        #region Private Methods

        private async void clearFile()
        {
            await Task.Run(() => File.Delete(fullPath));
        }

        private string confVal(string chiave)
        {
            string answ = "";
            if (ConfigList != null && ConfigList.Count > 0)
            {
                var searchRec = ConfigList.First(x => x.Chiave == chiave);
                if (searchRec != null)
                {
                    answ = searchRec.Valore;
                }
            }
            return answ;
        }

        private void DisplayData()
        {
            ListRecords = SearchRecords
                            .OrderByDescending(x => x.DataInizio)
                            .ThenBy(x => x.IdxMacchina)
                            .Skip(numRecord * (currPage - 1))
                            .Take(numRecord)
                            .ToList();
        }

        private async Task ExportCsv()
        {
            isLoading = true;
            // salvo davvero!
            await Egw.Core.Utils.SaveToCsv(SearchRecords, fullPath, ';');
            isLoading = false;
        }

        private async Task LoadConfData()
        {
            isLoading = true;
            ConfigList = await StatService.ConfigGetAll();
            ListMacchine = await StatService.MachineList(true);
            NumMacc = ListMacchine.Count();
            DynMode = confVal("STATS_EnergyMode") == "Dynamic";
            int.TryParse(confVal("STATS_EnergyNumCount"), out numCount);
            int.TryParse(confVal("STATS_EnergyNumTotEn"), out numTotEn);
            int.TryParse(confVal("STATS_EnergyMaxSelect"), out MaxDisplay);
        }

        private async Task ReloadData()
        {
            isLoading = true;
            if (SearchRecords != null)
            {
                SearchRecords.Clear();
            }
            else
            {
                SearchRecords = new List<OdlEnergyModel>();
            }
            // se seleziona tutte...
            if (currFilter.ListIdxMaccSel != null && currFilter.ListIdxMaccSel.Count > 0)
            {
                foreach (var idxMacc in currFilter.ListIdxMaccSel)
                {
                    currFilter.IdxMacchina = idxMacc;
                    var tempRec = await StatService.StatOdlEnergyGetAll(currFilter, MServ.SearchVal);
                    SearchRecords.AddRange(tempRec);
                    tempRec = null;
                }
            }
            TotalCount = SearchRecords.Count;
            DisplayData();
            isLoading = false;
        }

        /// <summary>
        /// Elimina da dict macchina indicata
        /// </summary>
        /// <param name="idxMacc"></param>
        private async Task RemoveMachine(string idxMacc)
        {
            // in primis se contiene spazio --> prendo prima aprte che � idxMacc...
            if (idxMacc.Contains(" "))
            {
                var sVals = idxMacc.Split(' ');
                idxMacc = sVals[0];
            }

            if (currFilter.ListIdxMaccSel.Contains(idxMacc))
            {
                currFilter.ListIdxMaccSel.Remove(idxMacc);
                GC.Collect();
                await ReloadData();
            }
        }

        #endregion Private Methods
    }
}