using EgwCoreLib.Lux.Data.DbModel.Cost;
using EgwCoreLib.Lux.Data.DbModel.Task;
using EgwCoreLib.Lux.Data.DbModel.Utils;
using EgwCoreLib.Lux.Data.Services;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.WebUtilities;
using Microsoft.JSInterop;

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

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

        [Parameter]
        public List<JobTaskModel> CurrRecords { get; set; } = null!;

        [Parameter]
        public string CurrSearch { get; set; } = string.Empty;

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

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

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

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

        #endregion Public Properties

        #region Protected Fields

        protected List<JobTaskModel> FiltRecords = new List<JobTaskModel>();
        protected List<JobTaskModel> ListRecords = new List<JobTaskModel>();

        #endregion Protected Fields

        #region Protected Properties

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

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

        protected List<string> ListCostDrivers
        {
            get => CostDriverLists
                                    .Select(x => x.Name)
                                    .Distinct()
                                    .ToList();
        }

        #endregion Protected Properties

        #region Protected Methods

        /// <summary>
        /// Genera nuovo record e lo salva
        /// </summary>
        protected async Task DoAdd()
        {
            if (newRecord != null)
            {
                // verifico non sia duplicato...
                var recExist = CurrRecords.Count(x => x.Description == newRecord.Description);
                if (recExist > 0)
                {
                    errorMsg = $"Errore: record già esistente | {newRecord.Description}";
                }
                else
                {
                    errorMsg = "";
                    // faccio upsert record...
                    await DLService.JobTaskUpsertAsync(newRecord);
                    // segnalo update x reload
                    await EC_Updated.InvokeAsync(true);
                    newRecord = null;
                    addVisible = false;
                    // rileggo
                    ReloadData();
                }
            }
        }

        /// <summary>
        /// Eliminazione record
        /// </summary>
        /// <param name="rec2del"></param>
        protected async Task DoDelete(JobTaskModel rec2del)
        {
            // controlo che NON abbia child obj... altrimenti esco
            if (rec2del.NumChild > 0)
                return;

            if (!await JSRuntime.InvokeAsync<bool>("confirm", $"Sicuro di voler eliminare il record? {rec2del.Description} ({rec2del.JobID})"))
                return;

            // esegue eliminazione del record...
            await DLService.JobTaskDeleteAsync(rec2del);

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

        /// <summary>
        /// Edit articolo selezionato
        /// </summary>
        /// <param name="curRec"></param>
        protected async void DoEdit(JobTaskModel curRec)
        {
            editRecord = curRec;
            selRecord = curRec;
#if false
            await EC_Selected.InvokeAsync(curRec);
#endif
            await Task.Delay(1);
        }

        /// <summary>
        /// Reset selezione
        /// </summary>
        protected async void DoReset()
        {
            editRecord = null;
            selRecord = null;
            await EC_Selected.InvokeAsync(null);
            await EC_Updated.InvokeAsync(true);
        }

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

        /// <summary>
        /// Restituice elenco CostDrivers per il record (con cache...)
        /// </summary>
        /// <param name="curRec"></param>
        /// <returns></returns>
        protected List<string> ListDriversName(JobTaskModel curRec)
        {
            List<string> result = new List<string>();
            if (CostDriverLists != null && ResourceLists != null)
            {
                // faccio distinct delle risorse...
                List<ResourceModel> distResource = ResourceLists
                                                    .Where(x => curRec.ResourcesList.Contains(x.ResourceID))
                                                    .Distinct()
                                                    .ToList();
                var listCostId = distResource
                                    .Select(x => x.CostDriverID)
                                    .Distinct()
                                    .ToList();
                // ora recupero elenco cost drivers...
                var distCostDrv = CostDriverLists
                                    .Where(x => listCostId.Contains(x.CostDriverID))
                                    .Distinct()
                                    .ToList();
                // proiezione!
                result = distCostDrv.Select(x => x.Name).ToList();
                // salvo in dizionario
            }
            return result;
        }

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

        protected void ToggleAdd()
        {
            addVisible = !addVisible;
            if (addVisible)
            {
                newRecord = new JobTaskModel()
                {
                    Description = $"Nuovo Ciclo-{DateTime.Now:yyyy.MM.dd-HH.mm.ss}",
                    Index = totalCount + 1
                };
            }
        }

        #endregion Protected Methods

        #region Private Fields

        private bool addVisible = false;

        private int currPage = 1;

        private JobTaskModel? editRecord = null;

        private string errorMsg = "";

        private bool isLoading = false;

        private JobTaskModel? newRecord = null;

        private int numRecord = 10;

        private JobTaskModel? selRecord = null;

        private int totalCount = 0;

        #endregion Private Fields

        #region Private Methods

        /// <summary>
        /// Check selezione riga item
        /// </summary>
        /// <param name="curRec"></param>
        /// <returns></returns>
        private string checkSel(JobTaskModel curRec)
        {
            string answ = "";
            if (selRecord != null)
            {
                answ = curRec.JobID == selRecord.JobID ? "table-info" : "";
            }
            return answ;
        }

        /// <summary>
        /// Update record x elenco tags
        /// </summary>
        /// <param name="args"></param>
        /// <returns></returns>
        private async Task DoSaveTags(TagDisplay.SavePayload args)
        {
            // chiamo update
            await DLService.JobTask2TagsUpsertAsync(args.Id, args.Tags);
            await EC_Updated.InvokeAsync(true);
            //// refresh!
            //ResetEdit();
        }

        /// <summary>
        /// Esegue spostamento
        /// </summary>
        /// <param name="curRec"></param>
        /// <param name="moveUp"></param>
        /// <returns></returns>
        private async Task MoveRec(JobTaskModel curRec, bool moveUp)
        {
            await DLService.JobTaskMoveAsync(curRec, moveUp);
            await EC_Updated.InvokeAsync(true);
        }

        private void ReloadData()
        {
            isLoading = true;
            // se ho ricerca testuale faccio filtro ulteriore...
            if (!string.IsNullOrEmpty(CurrSearch))
            {
                FiltRecords = CurrRecords
                                .Where(x => x.Description.Contains(CurrSearch, StringComparison.InvariantCultureIgnoreCase))
                                .ToList();
            }
            else
            {
                FiltRecords = CurrRecords;
            }
            totalCount = FiltRecords.Count;
            // fix paginazione
            ListRecords = CurrRecords
                            .OrderBy(x => x.Index)
                            .Skip(numRecord * (currPage - 1))
                            .Take(numRecord)
                            .ToList();
            isLoading = false;
        }

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

        #endregion Private Methods
    }
}