using System.Collections.Generic;
using InABox.Core;

namespace Comal.Classes
{
    public static class DeliveryItemExtensions
    {
        public static DeliveryItem CreateDeliveryItem(this PurchaseOrderItem item)
        {
            var result = new DeliveryItem();

            result.OrderItem.ID = item.ID;

            result.JobLink.ID = item.Job.ID;
            result.JobLink.Synchronise(item.Job);

            result.DueDate = item.ReceivedDate;

            result.Description = string.Format("{0} x {1}", item.Qty, item.Description);
            result.Title = result.Description;

            result.Piece = result.Description;

            result.Cost = item.Cost;

            return result;
        }

        public static DeliveryItem CreateDeliveryItem(this RequisitionItem item, Requisition requisition)
        {
            var result = new DeliveryItem();

            result.RequisitionLink.ID = requisition.ID;

            result.JobLink.ID = requisition.JobLink.ID;
            result.JobLink.Synchronise(requisition.JobLink);

            result.Delivery.ID = requisition.Delivery.ID;
            result.Delivery.Synchronise(requisition.Delivery);

            result.DueDate = requisition.Due;

            result.Description = string.Format("{0} ({1} off)", item.Description, item.Quantity);
            result.Title = item.Code;

            result.Piece = item.Code;

            return result;
        }

        public static IEnumerable<DeliveryItem> CreateDeliveryItems(this ManufacturingPacket entity, int From)
        {
            var result = new List<DeliveryItem>();

            // If the (new system) barcode qty is set, always use that - otherwise use the old system (Grouped/individual/none)
            var iCount = entity.BarcodeQty > 0 ? entity.BarcodeQty :
                entity.BarcodeType == BarcodeType.None ? 0 :
                entity.BarcodeType == BarcodeType.Grouped ? 1 : entity.Quantity;
            for (var iSeq = 1; iSeq <= iCount; iSeq++)
            {
                var item = new DeliveryItem();

                item.ManufacturingPacketLink.ID = entity.ID;


                //item.CustomAttributes = entity.CustomAttributes;

                //if (item.CustomAttributes != null)
                //{
                //    StringBuilder sb = new StringBuilder();
                //    if (item.CustomAttributes != null)
                //    {
                //        foreach (var attribute in item.CustomAttributes)
                //            sb.AppendLine(String.Format("{0}={1}", attribute.Name, attribute.Value));
                //    }
                //    item.Attributes = sb.ToString();
                //}


                item.SetoutLink.ID = entity.SetoutLink.ID;
                item.SetoutLink.Synchronise(entity.SetoutLink);

                item.JobLink.ID = entity.SetoutLink.JobLink.ID;
                item.JobLink.Synchronise(entity.SetoutLink.JobLink);

                item.DueDate = entity.DueDate;

                if (iCount > 1)
                {
                    item.Piece = string.Format("{0}{1:D2}", entity.ManufacturingTemplateLink.Code, iSeq);
                    item.Title = string.Format("{0} ({1}/{2})", CoreUtils.StripHTML(entity.SetoutLink.Description), iSeq, iCount);
                    item.Description = string.Format("{0} ({1}/{2})", entity.Title, iSeq, iCount);
                }
                else
                {
                    item.Piece = entity.ManufacturingTemplateLink.Code;
                    item.Title = string.Format("{0} ({1} unit{2})", entity.SetoutLink.Description, entity.Quantity, entity.Quantity > 1 ? "s" : "");
                    item.Description = string.Format("{0} ({1} unit{2})", entity.Title, entity.Quantity, entity.Quantity > 1 ? "s" : "");
                }

                item.Sequence = From + iSeq;


                item.Height = entity.Height;
                item.Width = entity.Width;
                item.Length = entity.Length;

                var props = entity.UserProperties.AsDictionary;
                foreach (var key in props.Keys)
                    if (item.UserProperties.ContainsKey(key))
                        item.UserProperties[key] = props[key];

                result.Add(item);
            }

            return result;
        }
    }
}