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

namespace Sarand.BusinessMgr.Net.Standard.Base.Mgr
{
	//=======================================================================
	partial class SbmPriceMgr
	{
		//*******************************************************************
		//                            P r i c e s
		//*******************************************************************
		// Utilities.

		//-------------------------------------------------------------------
		// Create price.
		public abstract SbmPrice CreatePrice(SysId priceSetId, SysId commodityId, Sbm.PriceType priceType);

		//-------------------------------------------------------------------
		// Item exists.
		public bool PriceExistsByPriceSetCommodity(SysId priceSetId, SysId commodityId)
		{
			ClearErrorState();
			if (!SysId.IsValid(priceSetId) || !SysId.IsValid(commodityId)) return false;
			SbmPrice.Params prmPrice = new SbmPrice.Params();
			prmPrice.PriceSetId = priceSetId;
			prmPrice.CommodityId = commodityId;
			prmPrice.StatusCat = SbmPrice.StatusCat.Any;
			return GetPriceCount(prmPrice) == 1;
		}

		//-------------------------------------------------------------------
		// Get item.
		public abstract SbmPrice GetPrice(SbmPrice.Params prm);
		public SbmPrice GetPriceByPriceSetCommodity(SysId priceSetId, SysId commodityId)
		{
			ClearErrorState();
			if (!SysId.IsValid(priceSetId) || !SysId.IsValid(commodityId)) return null;
			SbmPrice.Params prmPrice = new SbmPrice.Params();
			prmPrice.PriceSetId = priceSetId;
			prmPrice.CommodityId = commodityId;
			prmPrice.StatusCat = SbmPrice.StatusCat.Any;
			return GetPrice(prmPrice);
		}

		//-------------------------------------------------------------------
		// Validate price data.
		public bool IsValidPrice(SbmPrice price)
		{
			ClearErrorState();
			if (price == null) return SetErrorState(ErrorMessage.ItemNotSpecified);
			return IsValidPriceData(price.GetData(), new SbmPrice.ErrField());
		}
		public virtual bool IsValidPriceData(SbmPrice.Data data, SbmPrice.ErrField errField)
		{
			// Price properties.
			ClearErrorState();
			if (data == null) return SetErrorState("item not specified");
			// Price set.
			if (errField.PriceSetId != SacsHierarchyItem.ValidValue.Ignore && !SysId.IsValid(data.PriceSetId))
			{
				errField.Type = SacsHierarchyItem.ValidValue.Invalid;
				return SetErrorState("Price set must be specified");
			}
			// Validate the type.
			if (errField.Type != SacsHierarchyItem.ValidValue.Ignore)
			{
				if ((int)data.PriceType < 1)
				{
					errField.Type = SacsHierarchyItem.ValidValue.Invalid;
					return SetErrorState("Price type must be supplied");
				}
			}
			// Common properties.
			if (!IsValidValue(data.Notes, "notes", (long)SbmDbDfn.GetColTextLen(SbmDbDfn.ColumnIdx.SaPrice_Notes)))
			{
				errField.Notes = SacsHierarchyItem.ValidValue.Invalid;
				return false;
			}
			if (errField.Status != SacsHierarchyItem.ValidValue.Ignore)
			{
				if (!IsValidValue(data.StatusCode, "status", (long)SbmDbDfn.GetColTextLen(SbmDbDfn.ColumnIdx.SaPrice_Status), true, true))
				{
					errField.Status = SacsHierarchyItem.ValidValue.Invalid;
					return false;
				}
				if (!SbmPrice.ValidStatuses.Contains(data.Status))
				{
					errField.Status = SacsHierarchyItem.ValidValue.Invalid;
					return SetErrorState(ErrorMessage.InvalidStatus);
				}
			}

			// Validate associated data.
			if (errField.PriceSetId != SacsHierarchyItem.ValidValue.Ignore && SysId.IsValid(data.PriceSetId))
			{
				/* ToDo Validate Price Set
				errField.PriceIdParent = SacsHierarchyItem.ValidValue.Invalid;
				return false;
				*/
			}

			return true;
		}

		//-------------------------------------------------------------------
		// Price database interface.
		public abstract bool InsertPrice(SbmPrice price, DbUpdateInfo dbUpdateInfo);
		public abstract bool UpdatePrice(SbmPrice price, DbUpdateInfo dbUpdateInfo);
		public virtual bool PriceCanBeDeleted(SbmPrice price)
		{
			ClearErrorState();
			if (price == null) return SetErrorState("item not specified");
			return true;
		}
		public abstract bool DeletePrice(SbmPrice price, DbUpdateInfo dbUpdateInfo);

		//-------------------------------------------------------------------
		// Price list.
		public abstract ColumnDfn GetPriceColumnDfn(SbmPrice.Column columnId, String caption = "", int width = 0);
		public abstract List<String> GetPriceQueryFilter(SbmPrice.Params prm);
		public abstract long GetPriceCount(SbmPrice.Params prm);
		public abstract List<SbmPrice> GetPriceList(SbmPrice.Params prm);
		public abstract DbResultSet ExecutePriceQuery(List<ColumnDfn> columns, SbmPrice.Params prm);

		//-------------------------------------------------------------------
		//                       D a t a   V a l u e s
		//-------------------------------------------------------------------
		/// <summary>
		/// Extract and format result set data value where specific handling is required.
		/// <para>Where response is an invalid data value, format value using column.FormatValue(values).</para>
		/// </summary>
		public DataValue GetPriceDataValue(ColumnDfn column, NamedValue.Map values)
		{
			DataValue value = new DataValue();
			switch ((SbmPrice.Column)column.Id)
			{
				// Price type.
				case SbmPrice.Column.PriceType_Desc:
					{
						Sbm.PriceType priceType = (Sbm.PriceType)values.GetValue(column.DataName).AsLong();
						value = new DataValue(PriceTypes.GetDescForType(priceType, priceType > 0 ? priceType.ToString() : ""));
						break;
					}
				// Calculation method.
				case SbmPrice.Column.CalculationMethod_Desc:
					{
						Sbm.PriceCalcMethod calculationMethod = (Sbm.PriceCalcMethod)values.GetValue(column.DataName).AsLong();
						value = new DataValue(PriceCalculationMethods.GetDescForType(calculationMethod, calculationMethod > 0 ? calculationMethod.ToString() : ""));
						break;
					}
				// Rounder method.
				case SbmPrice.Column.RounderMethod_Desc:
					{
						Sbm.PriceRounderMethod rounderMethod = (Sbm.PriceRounderMethod)values.GetValue(column.DataName).AsLong();
						value = new DataValue(PriceRounderMethods.GetDescForType(rounderMethod, rounderMethod > 0 ? rounderMethod.ToString() : ""));
						break;
					}
				// Rounder direction.
				case SbmPrice.Column.RounderDirection_Desc:
					{
						Sbm.PriceRounderDirection rounderDirection = (Sbm.PriceRounderDirection)values.GetValue(column.DataName).AsLong();
						value = new DataValue(PriceRounderDirections.GetDescForType(rounderDirection, rounderDirection > 0 ? rounderDirection.ToString() : ""));
						break;
					}
				// Sales dicount.
				case SbmPrice.Column.SalesDiscountPercent:
					{
						Sbm.PriceCalcMethod calculationMethod = (Sbm.PriceCalcMethod)values.GetValue(GetPriceColumnDfn(SbmPrice.Column.CalculationMethod).DataName).AsLong();
						decimal calculationValue = values.GetValue(GetPriceColumnDfn(SbmPrice.Column.CalculationValue).DataName).AsDecimal();
						decimal salesPrice = values.GetValue(GetPriceColumnDfn(SbmPrice.Column.Commodity_SalesPrice).DataName).AsDecimal();
						decimal salesDiscountPercent = 0.0m;
						if ((Math.Abs(calculationValue) > 0.001m && Math.Abs(salesPrice) > 0.001m) || column.ShowZeroValues)
						{
							if (Math.Abs(calculationValue) > 0.001m && Math.Abs(salesPrice) > 0.001m)
							{
								if (calculationMethod == Sbm.PriceCalcMethod.Fixed)
									salesDiscountPercent = ((salesPrice - calculationValue) / salesPrice) * 100.0m;
								else if (calculationMethod == Sbm.PriceCalcMethod.DecreasePercent)
									salesDiscountPercent = calculationValue;
								else if (calculationMethod == Sbm.PriceCalcMethod.DecreaseValue)
									salesDiscountPercent = (calculationValue / salesPrice) * 100.0m;
								//else if (calculationMethod == Sbm.PriceCalcMethod.MarkupCost)
								//	salesDiscountPercent = calculationValue * -1.0m;
								//else if (calculationMethod == Sbm.PriceCalcMethod.MarkupValue)
								//	salesDiscountPercent = (calculationValue / salesPrice) * -100.0m;
								else if (calculationMethod == Sbm.PriceCalcMethod.MarkupSales)
									salesDiscountPercent = calculationValue * -1.0m;
							}
						}
						value = new DataValue(salesDiscountPercent);
						break;
					}
				// Notes.
				case SbmPrice.Column.Notes:
					{
						value = new DataValue(SacsHierarchyItem.FormatForDisplay(values.GetValue(column.DataName).ToString(), 200));
						break;
					}
				// Status.
				case SbmPrice.Column.Status_Desc:
				case SbmPrice.Column.Status_Ind:
					{
						String statusCode = values.GetValue(column.DataName).ToString();
						SaStatus status = SacsSystem.GetStatusForCode(statusCode);
						if (column.Id == (int)SbmPrice.Column.Status_Desc)
							value = new DataValue(SacsSystem.GetStatusDescForCode(statusCode));
						else if (column.Id == (int)SbmPrice.Column.Status_Ind)
							value = new DataValue(SbmPrice.GetStatusTriState(status));
						break;
					}
			}
			return value;
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}