using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CAPI.Custom.Entities
{
    public static class QuoteBuyoutSupplierExtensions
    {
        public static bool IsQuoteReceived(this QuoteBuyoutSupplier entity)
        {
            return BuyoutStatus.QuoteReceived == entity.Status;
        }
    }

    public static class QuoteItemsExtensions
    {
        public static QuoteItem FillFrom(this QuoteItem quoteItem, InventoryItemResult inventoryItem)
        {
            //quoteItem.ParentSurfaceItemId = quoteId;
            quoteItem.UniqueNumber = inventoryItem.UniqueNumber;
            quoteItem.MasterPartNumber = inventoryItem.MasterNumber;
            quoteItem.BinLocation = inventoryItem.BinLocation;
            quoteItem.Brand = inventoryItem.Brand;
            quoteItem.Category = inventoryItem.Category;
            quoteItem.Condition = inventoryItem.Condition;
            quoteItem.CostPrice = inventoryItem.AverageCost;
            quoteItem.Description = inventoryItem.Description;
            quoteItem.LeadTime = "STOCK";
            //quoteItem.QuoteItems_QuoteItems_QuoteItemsMargin = margin;
            quoteItem.MinorCode = inventoryItem.MinorCode;
            quoteItem.PartNumber = inventoryItem.PartNumber;
            quoteItem.QuantityAvailable = inventoryItem.Available;
            quoteItem.QuantitySelected = 0;
            //quoteItem.QuoteItems_QuoteItems_QuoteItemsSellingPrice = sellingPrice;
            quoteItem.Sequence = 0;
            quoteItem.Subcategory = inventoryItem.SubCategory;
            quoteItem.Supplier = "INVENTORY";
            quoteItem.SupplierCurrency = "ZAR";
            quoteItem.SupplierSequence = 0;
            quoteItem.WarehouseLocation = inventoryItem.WarehouseLocation;
            quoteItem.WeightKG = inventoryItem.WeightKG;
            return quoteItem;
        }
    }

    public static class QuoteItemsFinalExtensions
    {
        /// <summary>
        /// Map RequestItem properties to FinalItem
        /// </summary>
        /// <param name="finalItem"></param>
        /// <param name="requestItem"></param>
        /// <returns></returns>
        public static QuoteItemsFinal FillFrom(this QuoteItemsFinal finalItem, QuoteRequestItem requestItem)
        {
            finalItem.AdditionalDescription = requestItem.AdditionalDescription;
            // TODO: we using this field?
            finalItem.DimensionalDescription = string.Empty;
            finalItem.Sequence = requestItem.Sequence.GetValueOrDefault();

            return finalItem;
        }

        /// <summary>
        /// Map QuoteItem properties to FinalItem
        /// </summary>
        /// <param name="finalItem"></param>
        /// <param name="quoteItem"></param>
        /// <returns></returns>
        public static QuoteItemsFinal FillFrom(this QuoteItemsFinal finalItem, QuoteItem quoteItem)
        {
            decimal totalPrizeZAR = quoteItem.SellingPrice.GetValueOrDefault()
                * quoteItem.QuantitySelected.GetValueOrDefault();

            finalItem.Brand = quoteItem.Brand;
            finalItem.Category = quoteItem.Category;
            finalItem.Condition = quoteItem.Condition;
            finalItem.Description = quoteItem.Description;
            finalItem.DimensionalDescription = string.Empty;    //TODO
            finalItem.LeadTime = quoteItem.LeadTime;
            finalItem.MasterPartNumber = quoteItem.MasterPartNumber;
            finalItem.MinorCode = quoteItem.MinorCode;
            finalItem.PartNumber = quoteItem.PartNumber;
            finalItem.QuantityAvailable = quoteItem.QuantityAvailable.GetValueOrDefault();
            finalItem.QuantityRequired = quoteItem.QuantitySelected.GetValueOrDefault();
            finalItem.SubCategory = quoteItem.Subcategory;
            finalItem.TotalPriceZAR = totalPrizeZAR;
            finalItem.UniqueNumber = quoteItem.UniqueNumber;
            finalItem.UnitPriceZAR = quoteItem.SellingPrice.GetValueOrDefault();
            finalItem.WeightKG = quoteItem.WeightKG.GetValueOrDefault();
            finalItem.QuoteItemsLink = quoteItem.itemID;
            finalItem.Supplier = quoteItem.Supplier;
            finalItem.Location = quoteItem.BinLocation;
            finalItem.WarehouseLocation = quoteItem.WarehouseLocation;

            return finalItem;
        }
    }

    public static class QuoteRequestItemsExtensions
    {
        public static QuoteRequestItem GetMatchingRequestItem(this QuoteItem quoteItem, IEnumerable<QuoteRequestItem> requestItems)
        {
            return requestItems.Where(p =>
                            p.isActive.Value
                            && (quoteItem.MasterPartNumber ==
                            p.MasterNumber
                            || quoteItem.PartNumber ==
                            p.PartNumber)
                        ).OrderByDescending(p => p.recId)
                        .FirstOrDefault();
        }

        public static bool MasterOrPartNumbersMatch(this QuoteRequestItem requestItem, QuoteItem quoteItem)
        {
            bool masterMatches = requestItem.MasterNumber == quoteItem.MasterPartNumber;
            bool partMatches = requestItem.PartNumber == quoteItem.PartNumber;
            return masterMatches || partMatches;
        }
    }

    public static class SurfaceModulePickListExtensions
    {
        
    }
}