using Sarand.BusinessMgr.Net.Standard.Base.App;
using Sarand.BusinessMgr.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Core;
using System;
using System.Collections.Generic;

namespace Sarand.BusinessMgr.Net.Standard.Base.Bus
{
	//=======================================================================
	public abstract class SbmContainerItem : SbmHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Hidden,
			Pos,
			Id,

			// ContainerItem.
			ItemSeq, ItemType, ItemId,
			SourceItemType, SourceItemId, SourceItem,
			Quantity,

			// Container details.
			Container_OwnerName, Container_CategoryDesc, Container_TypeDesc,
			Container_Reference, Container_DescBrief, Container_TagId,
			Container_AssIdSupplier, Container_SupplierName,
			Container_AssIdCustomer, Container_CustomerName,
			Container_Expected, Container_Notes,
			Container_StatusDesc, Container_StatusInd, Container_CreateOn,
			Container_UpdateOn,
			Container_ItemCount, Container_MovementCount,

			// Commodity details.
			Commodity_Id, Commodity_Code, Commodity_DescBrief,
			Commodity_Dimensions,
			Commodity_ICNTariffCode,
			Commodity_CostPrice_Unit, Commodity_CostPrice_Unit_Fmt, Commodity_CostPrice_Total, Commodity_CostPrice_Total_Fmt,
			Commodity_MaterialCurrencyId,
			Commodity_MaterialCost_Unit, Commodity_MaterialCost_Unit_Fmt, Commodity_MaterialCost_Total, Commodity_MaterialCost_Total_Fmt,
			Commodity_SalesPrice_Unit, Commodity_SalesPrice_Unit_Fmt, Commodity_SalesPrice_Total, Commodity_SalesPrice_Total_Fmt,
			Commodity_RetailPrice_Unit, Commodity_RetailPrice_Unit_Fmt, Commodity_RetailPrice_Total, Commodity_RetailPrice_Total_Fmt,
			Commodity_RRP,
			Commodity_Image,   // Only for export.
			Commodity_Notes,
			// Common properties.
			Notes,
			Status,
			Status_Ind,
			Status_Desc,
			CreateOn_Date,
			UpdateOn_Date,
		}

		//-------------------------------------------------------------------
		/// <summary>Properties other than common.</summary>
		public class DataProperties
		{
			public SysId ContainerItemId { get; set; } = new SysId();
			public SysId ContainerId { get; set; } = new SysId();
			public Sbm.ItemType ItemType { get; set; } = Sbm.ItemType.Unknown;
			public SysId ItemId { get; set; } = new SysId();
			public short ItemSeq { get; set; } = 0;
			public Sbm.ItemType ItemTypeSource { get; set; } = Sbm.ItemType.Unknown;
			public SysId ItemIdSource { get; set; } = new SysId();
			public decimal Quantity { get; set; } = 0.0m;
		}

		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			// Data members.
			private readonly DataProperties data = new DataProperties();
			// Construction.
			public Data()
			{
				Status = DefaultStatus;
			}
			public SysId ContainerItemId
			{
				get { return data.ContainerItemId; }
				set { CheckChanged(data.ContainerItemId, value); data.ContainerItemId = value; }
			}
			public SysId ContainerId
			{
				get { return data.ContainerId; }
				set { CheckChanged(data.ContainerId, value); data.ContainerId = value; }
			}
			public Sbm.ItemType ItemType
			{
				get { return data.ItemType; }
				set { CheckChanged((int)data.ItemType, (int)value); data.ItemType = value; }
			}
			public SysId ItemId
			{
				get { return data.ItemId; }
				set { CheckChanged(data.ItemId, value); data.ItemId = value; }
			}
			public short ItemSeq
			{
				get { return data.ItemSeq; }
				set { CheckChanged(data.ItemSeq, value); data.ItemSeq = value; }
			}
			public Sbm.ItemType ItemTypeSource
			{
				get { return data.ItemTypeSource; }
				set { CheckChanged((int)data.ItemTypeSource, (int)value); data.ItemTypeSource = value; }
			}
			public SysId ItemIdSource
			{
				get { return data.ItemIdSource; }
				set { CheckChanged(data.ItemIdSource, value); data.ItemIdSource = value; }
			}
			public decimal Quantity
			{
				get { return data.Quantity; }
				set { CheckChanged(data.Quantity, value); data.Quantity = value; }
			}

			internal void PopulateFrom(Data data)
			{
				ContainerItemId = data.ContainerItemId;
				ContainerId = data.ContainerId;
				ItemType = data.ItemType;
				ItemId = data.ItemId;
				ItemSeq = data.ItemSeq;
				ItemTypeSource = data.ItemTypeSource;
				ItemIdSource = data.ItemIdSource;
				Quantity = data.Quantity;
				base.PopulateFrom(data);
			}
			public Data Clone()
			{
				Data data = new Data();
				data.PopulateFrom(this);
				return data;
			}
		}

		public new class ErrField : SacsHierarchyItem.ErrField
		{
			// Identifies the field that has invalid data.
			public ValidValue ContainerItemId { get; set; } = ValidValue.Valid;
			public ValidValue ContainerId { get; set; } = ValidValue.Valid;
			public ValidValue ItemType { get; set; } = ValidValue.Valid;
			public ValidValue ItemId { get; set; } = ValidValue.Valid;
			public ValidValue ItemSeq { get; set; } = ValidValue.Valid;
			public ValidValue ItemTypeSource { get; set; } = ValidValue.Valid;
			public ValidValue ItemIdSource { get; set; } = ValidValue.Valid;
			public ValidValue Quantity { get; set; } = ValidValue.Valid;
		}

		//-------------------------------------------------------------------
		// Data members.
		private readonly Data data = new Data();

		//-------------------------------------------------------------------
		// Construction.
		protected SbmContainerItem(ISbmUserContext userContext, SysId containerId, Sbm.ItemType itemType, SysId itemId) : base(userContext)
		{
			base.SetData(data);
			ContainerId = containerId;
			ItemType = itemType;
			ItemId = itemId;
			ItemSeq = 0;
			ItemTypeSource = Sbm.ItemType.Unknown;
			Quantity = 0.0m;
			Status = DefaultStatus;
		}

		//-------------------------------------------------------------------
		// ContainerItem status.
		private static readonly List<SaStatus> containerItemStatuses = new List<SaStatus>()
		{
			SaStatus.Active,
			SaStatus.Disabled,
		};
		public static SaStatus DefaultStatus { get { return SaStatus.Current; } }
		public static List<SaStatus> ContainerItemStatuses { get { return new List<SaStatus>(containerItemStatuses); } }
		public static DataValue.TriStateType GetStatusTriState(SaStatus status)
		{
			switch (status)
			{
				case SaStatus.Active:
					return DataValue.TriStateType.Green;
				case SaStatus.OnHold:
					return DataValue.TriStateType.Amber;
				case SaStatus.Disabled:
					return DataValue.TriStateType.Red;
				case SaStatus.Deleted:
					return DataValue.TriStateType.Purple;
			}
			return DataValue.TriStateType.Unknown;
		}

		//-------------------------------------------------------------------
		// Utilities.

		//-------------------------------------------------------------------
		// Properties.
		public Data GetData() { return data.Clone(); }
		public void SetData(Data data)
		{
			String fn = GetType().Name + ".SetData";
			// Properties that cannot be changed if previously specified.
			if (SysId.IsValid(Id) && SysId.ToInt(Id) != SysId.ToInt(data.Id))
				throw new NotSupportedException(fn + " Id cannot be changed");
			// Populate individual properties to ensure that 'Changed' indicator is kept up to date.
			this.data.PopulateFrom(data);
		}

		//-------------------------------------------------------------------
		// Attributes.
		public SysId ContainerItemId
		{
			get { return data.ContainerItemId; }
			set { data.ContainerItemId = value; }
		}
		public SysId ContainerId
		{
			get { return data.ContainerId; }
			set { data.ContainerId = value; }
		}
		public Sbm.ItemType ItemType
		{
			get { return data.ItemType; }
			set { data.ItemType = value; }
		}
		public SysId ItemId
		{
			get { return data.ItemId; }
			set { data.ItemId = value; }
		}
		public short ItemSeq
		{
			get { return data.ItemSeq; }
			set { data.ItemSeq = value; }
		}
		public Sbm.ItemType ItemTypeSource
		{
			get { return data.ItemTypeSource; }
			set { data.ItemTypeSource = value; }
		}
		public SysId ItemIdSource
		{
			get { return data.ItemIdSource; }
			set { data.ItemIdSource = value; }
		}
		public decimal Quantity
		{
			get { return data.Quantity; }
			set { data.Quantity = value; }
		}

		//-------------------------------------------------------------------
		//          A s s o c i a t e d   D a t a   E l e m e n t s          
		//-------------------------------------------------------------------

		//-------------------------------------------------------------------
		//                            P a r a m s
		//-------------------------------------------------------------------
		/// <summary>Item Status categories.</summary>
		public enum StatusCat
		{
			Any,
			ActiveOnly
		}
		/// <summary>Item list parameters.</summary>
		public new class Params : SacsHierarchyItem.Params
		{
			// Item Ids.
			public List<SysId> IncludedIds { get; } = new List<SysId>();
			public List<SysId> ExcludedIds { get; } = new List<SysId>();
			// Item properties.
			public SysId ContainerId { get; set; }
			public short ItemSeq { get; set; }
			public Sbm.ItemType ItemType { get; set; }
			public List<SysId> ItemIds { get; } = new List<SysId>();
			public Sbm.ItemType ItemTypeSource { get; set; }
			public List<SysId> ItemIdsSource { get; } = new List<SysId>();
			public decimal Quantity { get; set; }
			// Container.
			public String TableAlias_Container { get; set; }
			public Sbm.ContainerCategory ContainerCategory { get; set; }
			public Sbm.ContainerType ContainerType { get; set; }
			public String ContainerReference { get; set; }
			public String ContainerTagId { get; set; }
			public String ContainerReferencePartial { get; set; }
			public String ContainerTagIdPartial { get; set; }
			public String ProductCode { get; set; }
			public String ProductCodePartial { get; set; }
			public DateTime ContainerExpectedFrom { get; set; }
			public DateTime ContainerExpectedTo { get; set; }
			public SaStatus ContainerStatus { get; set; }
			public bool ContainerHasItems { get; set; } = false;
			/// <summary>Container Item status.</summary>
			public StatusCat StatusCat { get; set; } = StatusCat.Any;
			// Utilities.
			public List<StringPair> GetDisplayValues()
			{
				List<StringPair> values = new List<StringPair>();
				return values;
			}
		}

		//-------------------------------------------------------------------
	}

	//=======================================================================
	//                 C o n t a i n e r   I t e m   L i s t
	//=======================================================================
	public static class SbmContainerItemList
	{
		/// <summary>Check whether currency exists/locate in list with specified Id.</summary>
		public static bool Find(this List<SbmContainerItem> values, SbmContainerItem containerItem)
		{
			if (containerItem == null) return false;
			return (values.Find(item => item == containerItem) != null);
		}
		public static bool FindByContainerId(this List<SbmContainerItem> values, SysId containerId)
		{
			if (!SysId.IsValid(containerId)) return false;
			return values.Exists(item => item.ContainerId.Equals(containerId));
		}
		public static bool FindByItemId(this List<SbmContainerItem> values, SysId itemId)
		{
			if (!SysId.IsValid(itemId)) return false;
			return values.Exists(item => item.ItemType.Equals(itemId));
		}

		//-------------------------------------------------------------------
		// Utilities.
		public static List<SysId> GetCommodityIds(this List<SbmContainerItem> values)
		{
			List<SysId> commodityIds = new List<SysId>();
			foreach (SbmContainerItem containerItem in values)
			{
				if (containerItem.ItemType == Sbm.ItemType.Commodity)
				{
					SysId commodityId = containerItem.ItemId;
					if (SysId.IsValid(commodityId) && !commodityIds.Contains(commodityId))
						commodityIds.Add(commodityId);
				}
			}
			return commodityIds;
		}

		public static decimal GetQuantityByCommodity(this List<SbmContainerItem> values, SysId commodityId)
		{
			decimal quantity = 0.0m;
			foreach (SbmContainerItem containerItem in values)
			{
				if (containerItem.ItemType == Sbm.ItemType.Commodity && containerItem.ItemId == commodityId)
					quantity += containerItem.Quantity;
			}
			return quantity;
		}

		// Comparison.

	}

	//=======================================================================
}