using EgwMultiEngineManager.Data;

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

        [Parameter]
        public List<BomItemDTO> BomList { get; set; } = null!;

        [Parameter]
        public OfferRowModel CurrRowRec { get; set; } = null!;

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

        #endregion Public Properties

        #region Protected Methods

        /// <summary>
        /// Conversione oggetti x editing
        /// </summary>
        protected override void OnParametersSet()
        {
            if (BomList != null && BomList.Count > 0)
            {
                int idx = 1;
                // Convert List to Dictionary with index as key
                bomDict = BomList
                    .Select(x => new BomDtoSel()
                    {
                        isSelected = false,
                        numRow = idx++,
                        ClassCode = x.ClassCode,
                        DescriptionCode = x.DescriptionCode,
                        ItemCode = x.ItemCode,
                        ItemID = x.ItemID,
                        ItemQty = x.ItemQty,
                        Price = x.Price,
                        PriceEff = x.PriceEff,
                        Qty = x.Qty,
                        Volume = x.Volume
                    })
                    .ToList();
                totalCount = BomList.Count();
                UpdateTable();
                isLoading = false;
            }
            else
            {
                isLoading = true;
            }
        }

        #endregion Protected Methods

        #region Protected Classes

        protected class BomDtoSel : BomItemDTO
        {
            #region Public Properties

            public bool isSelected { get; set; } = false;
            public int numRow { get; set; } = 1;

            #endregion Public Properties
        }

        #endregion Protected Classes

        #region Private Fields

        /// <summary>
        /// Dizionario interno oggetti x editare con indice
        /// </summary>
        private List<BomDtoSel> bomDict = new List<BomDtoSel>();

        private List<BomDtoSel> bomPaged = new List<BomDtoSel>();

        private int currPage = 1;

        private bool massEdit = false;

        private decimal defMargin = 0.2M;

        private double defQtyMax = 999;

        private int defRound = 5;

        private string defUM = "m";

        private BomDtoSel? EditRecord = null;

        private bool isLoading = false;

        private List<ItemModel> ListItemAlt = new List<ItemModel>();

        private int numRecord = 10;

        private bool selAll = false;

        private int totalCount = 0;

        private double totCost = 100;

        #endregion Private Fields

        #region Private Properties

        private double ImportoTotale
        {
            get
            {
                double valTot = 0;
                if (bomDict != null)
                {
                    valTot = bomDict.Sum(x => x.TotalCost);
                }
                return valTot;
            }
        }

        [Inject]
        private IItemService IService { get; set; } = null!;

        private double QtyTotale
        {
            get
            {
                double valTot = 0;
                if (bomDict != null)
                {
                    valTot = bomDict.Sum(x => x.Qty);
                }
                return valTot;
            }
        }

        private bool SelAll
        {
            get => selAll;
            set
            {
                if (selAll != value)
                {
                    selAll = value;
                    foreach (var item in bomDict)
                    {
                        item.isSelected = selAll;
                    }
                }
            }
        }

        private bool showMassEditSave
        {
            get => bomDict != null && bomDict.Any(x => x.isSelected);
        }

        private void ButtonMassEdit()
        {
            massEdit = !massEdit; 
        }

        private bool ShowVolume
        {
            get => CurrRowRec.Envir == Constants.EXECENVIRONMENTS.BEAM || CurrRowRec.Envir == Constants.EXECENVIRONMENTS.WALL;
        }

        private int TotItemQty
        {
            get
            {
                int numTot = 0;
                if (bomDict != null)
                {
                    numTot = bomDict.Sum(x => x.ItemQty);
                }
                return numTot;
            }
        }

        private double VolTotale
        {
            get
            {
                double valTot = 0;
                if (bomDict != null)
                {
                    valTot = bomDict.Sum(x => x.Volume);
                }
                return valTot;
            }
        }

        #endregion Private Properties

        #region Private Methods

        private void DoCancel()
        {
            EditRecord = null;
            isLoading = false;
        }

        private async Task DoEdit(BomDtoSel editRec)
        {
            if (editRec.ItemID > 0)
            {
                // carico elenco alternative...
                ListItemAlt = await IService.GetAltAsync(editRec.ItemID);
                // riordino...
                ListItemAlt = ListItemAlt
                                .OrderBy(x => x.ItemIDParent)
                                .ThenBy(x => x.Description)
                                .ToList();
            }
            else
            {
                ListItemAlt = new List<ItemModel>();
            }
            EditRecord = editRec;
        }

        /// <summary>
        /// Salvataggio con conversion a list + ritorno a parent
        /// </summary>
        private Task DoSave()
        {
            isLoading = true;
            // aggiorno l'oggetto nel mio dizionario
            if (EditRecord != null)
            {
                // modifico il valore ID con quello selezionato nel selettore x l'oggetto
                UpdateItem(EditRecord);
            }
            // deseleziono...
            DoCancel();
            // ...e passo al controller parent LINQ projection to base type
            List<BomItemDTO> baseList = bomDict.Cast<BomItemDTO>().ToList();
            return EC_Updated.InvokeAsync(baseList);
        }

        private async Task ForceItemPrice()
        {
            isLoading = true;
            // chiamo metodo update x i soli valori selezionati...
            var list2upd = bomDict.Where(x => x.isSelected).Cast<BomItemDTO>().ToList();
            await IService.MassUpdateAsync(list2upd, totCost, (double)defMargin, defQtyMax, defUM, defRound);
            // ...e passo al controller parent LINQ projection to base type
            List<BomItemDTO> baseList = bomDict.Cast<BomItemDTO>().ToList();
            await EC_Updated.InvokeAsync(baseList);
            SelAll = false;
        }

        private void SaveNumRec(int newNum)
        {
            numRecord = newNum;
            currPage = 1;
            UpdateTable();
        }

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

        /// <summary>
        /// Update item nel dictionary
        /// </summary>
        /// <param name="key"></param>
        /// <param name="updatedItem"></param>
        private void UpdateItem(BomDtoSel updatedItem)
        {
            int index = bomDict.FindIndex(x => x.numRow == updatedItem.numRow);
            if (index >= 0)
            {
                bomDict[index] = updatedItem;
            }
        }

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

        #endregion Private Methods
    }
}