using EgwCoreLib.Lux.Data.DbModel.Utils;
using EgwCoreLib.Lux.Data.Services;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.JSInterop;
using NLog.LayoutRenderers;
using System.Threading.Tasks;

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

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

        [Parameter]
        public EventCallback<bool> EC_Updated { get; set; }

        [Parameter]
        public List<GenClassModel> ListGenClass { get; set; } = null!;

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

        #endregion Public Properties

        #region Protected Fields

        protected List<GenClassModel> AllRecords = new List<GenClassModel>();
        protected List<GenClassModel> ListRecords = new List<GenClassModel>();

        #endregion Protected Fields

        #region Protected Properties

        [Inject]
        protected DataLayerServices DLService { get; set; } = null!;

        [Inject]
        protected IJSRuntime JSRuntime { get; set; } = null!;

        #endregion Protected Properties

        #region Protected Methods

        /// <summary>
        /// Genera nuovo record e lo salva
        /// </summary>
        /// <exception cref="NotImplementedException"></exception>
        protected async Task DoAdd()
        {
            if (NewRecord != null)
            {
                // verifico non sia duplicato...
                var recExist = AllRecords.Count(x => x.ClassCod == NewRecord.ClassCod);
                if (recExist > 0)
                {
                    ErrorMsg = $"Errore: record già esistente con codice {NewRecord.ClassCod}";
                }
                else
                {
                    ErrorMsg = "";
                    // faccio upsert record...
                    await DLService.GenClassUpsertAsync(NewRecord);
                    // segnalo update x reload
                    await EC_Updated.InvokeAsync(true);
                    NewRecord = null;
                }
            }
        }

        protected void DoCancel()
        {
            ResetEdit();
            UpdateTable();
        }

        /// <summary>
        /// Clona record
        /// </summary>
        /// <param name="curRec"></param>
        protected void DoClone(GenClassModel curRec)
        {
        }

        /// <summary>
        /// Eliminazione record
        /// </summary>
        /// <param name="selRec"></param>
        protected async Task DoDelete(GenClassModel selRec)
        {
            // controlo che NON abbia child obj... altrimenti esco
            if (selRec.NumChild > 0)
                return;

            if (!await JSRuntime.InvokeAsync<bool>("confirm", $"Sicuro di voler eliminare il record? Dettagli: {selRec.ClassCod} | {selRec.Description}"))
                return;

            // esegue eliminazione del record...
            await DLService.GenClassDeleteAsync(selRec);

            // segnalo update x reload
            await EC_Updated.InvokeAsync(true);
        }

        /// <summary>
        /// Edit articolo selezionato
        /// </summary>
        /// <param name="curRec"></param>
        protected async void DoEdit(GenClassModel curRec)
        {
            EditRecord = curRec;
            SelRecord = curRec;
            await EC_Selected.InvokeAsync(curRec.ClassCod);
        }

        /// <summary>
        /// Reset selezione
        /// </summary>
        protected async void DoReset()
        {
            EditRecord = null;
            SelRecord = null;
            await EC_Selected.InvokeAsync("");
        }

        protected async Task DoSave(GenClassModel currRec)
        {
            // faccio upsert record...
            await DLService.GenClassUpsertAsync(currRec);
            // segnalo update x reload
            await EC_Updated.InvokeAsync(true);
        }

        /// <summary>
        /// Selezione articolo x display info
        /// </summary>
        /// <param name="curRec"></param>
        protected async void DoSelect(GenClassModel curRec)
        {
            SelRecord = curRec;
            await EC_Selected.InvokeAsync(curRec.ClassCod);
        }

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

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

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

        protected void ToggleAdd()
        {
            AddVisible = !AddVisible;
            NewRecord = new GenClassModel()
            {
                ClassCod = "NewClass",
                Description = $"Descrizione-{DateTime.Now:yyyy.MM.dd-HH.mm.ss}"
            };
        }

        #endregion Protected Methods

        #region Private Fields

        private bool AddVisible = false;
        private int currPage = 1;
        private GenClassModel? EditRecord = null;
        private string ErrorMsg = "";
        private bool isLoading = false;
        private GenClassModel? NewRecord = null;
        private int numRecord = 10;

        private GenClassModel? SelRecord = null;

        private int totalCount = 0;

        #endregion Private Fields

        #region Private Methods

        private string checkSel(GenClassModel curRec)
        {
            string answ = "";
            if (SelRecord != null)
            {
                answ = curRec.ClassCod == SelRecord.ClassCod ? "table-info" : "";
            }
            return answ;
        }

        private void ReloadData()
        {
            isLoading = true;
            AllRecords = ListGenClass;
            // se ho ricerca testuale faccio filtro ulteriore...
            if (!string.IsNullOrEmpty(SearchVal))
            {
                AllRecords = AllRecords
                                .Where(x =>
                                    x.ClassCod.Contains(SearchVal, StringComparison.InvariantCultureIgnoreCase) ||
                                    x.Description.Contains(SearchVal, StringComparison.InvariantCultureIgnoreCase))
                                .ToList();
            }
            totalCount = AllRecords.Count;
        }

        private void ResetEdit()
        {
            // reset edit
            EditRecord = null;
            ReloadData();
        }

        /// <summary>
        /// Filtro e paginazione
        /// </summary>
        private void UpdateTable()
        {
            // fix paginazione
            ListRecords = AllRecords
                            .OrderBy(x => x.ClassCod)
                            .Skip(numRecord * (currPage - 1))
                            .Take(numRecord)
                            .ToList();
            isLoading = false;
        }

        #endregion Private Methods
    }
}