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

namespace Sarand.Net.Standard.Base.Interfaces
{
	//=======================================================================
	public class SaInterfaceProcess : SacsHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos = 0,
			Id,
			// Interface.
			InterfaceId,
			Interface_Context,
			Interface_Category,
			Interface_Category_Desc,
			Interface_Type,
			Interface_Type_Desc,
			Interface_Code,
			Interface_Caption,
			// Interface process.
			ProcessDirection,
			ProcessDirection_Desc,
			ProcessReference,
			ProcessSequence,
			ProcessAt,
			ProcessAt_Date,
			ProcessAt_Time,
			BatchAt,
			BatchAt_Date,
			BatchAt_Time,
			Elapsed_Secs,
			Elapsed_Fmt,
			// Derived properties.
			Message_Count,
			Message_Status_Desc,
			Message_Status_Ind,
			DataItem_Count,
			// Common properties.
			Notes,
			Status,
			Status_Desc,
			Status_Ind,
			CreateOn_Date,
			UpdateOn_Date,
			UpdateHost,
		}

		//-------------------------------------------------------------------
		/// <summary>Properties other than common.</summary>
		public class DataProperties
		{
			public SysId InterfaceId { get; set; } = null;
			public SaInterfaceProcessDirection Direction { get; set; } = SaInterfaceProcessDirection.Unknown;
			public String Reference { get; set; } = String.Empty;
			public int Sequence { get; set; } = 0;
			public DateTime? ProcessAt { get; set; } = DateTime.MinValue;
			public DateTime? BatchAt { get; set; } = DateTime.MinValue;
			public int ElapseSecs { get; set; } = 0;
		}

		//-------------------------------------------------------------------
		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			// Data members.
			private readonly DataProperties data = new DataProperties();
			// Construction.
			public Data()
			{
				Status = DefaultStatus;
			}
			// Properties.
			public SysId InterfaceId
			{
				get { return data.InterfaceId; }
				set { CheckChanged(data.InterfaceId, value); data.InterfaceId = value; }
			}
			public SaInterfaceProcessDirection Direction
			{
				get { return data.Direction; }
				set { CheckChanged((int)data.Direction, (int)value); data.Direction = value; }
			}
			public String Reference
			{
				get { return data.Reference; }
				set { CheckChanged(data.Reference, value); data.Reference = value; }
			}
			public int Sequence
			{
				get { return data.Sequence; }
				set { CheckChanged(data.Sequence, value); data.Sequence = value; }
			}
			public DateTime? ProcessAt
			{
				get { return data.ProcessAt; }
				set { CheckChangedNullable(data.ProcessAt, value); data.ProcessAt = value; }
			}
			public DateTime? BatchAt
			{
				get { return data.BatchAt; }
				set { CheckChangedNullable(data.BatchAt, value); data.BatchAt = value; }
			}
			public int ElapseSecs
			{
				get { return data.ElapseSecs; }
				set { CheckChanged(data.ElapseSecs, value); data.ElapseSecs = value; }
			}
			// Population.
			internal void PopulateFrom(Data data)
			{
				InterfaceId = data.InterfaceId;
				Direction = data.Direction;
				Reference = data.Reference;
				Sequence = data.Sequence;
				ProcessAt = data.ProcessAt;
				BatchAt = data.BatchAt;
				ElapseSecs = data.ElapseSecs;
				base.PopulateFrom(data);
			}
			public Data Clone()
			{
				Data data = new Data();
				data.PopulateFrom(this);
				return data;
			}
		}

		//-------------------------------------------------------------------
		// Error field - identify properties with validation error.
		public new class ErrField : SacsHierarchyItem.ErrField
		{
			// Identifies the field that has invalid data.
			public ValidValue InterfaceId { get; set; } = ValidValue.Valid;
			public ValidValue Direction { get; set; } = ValidValue.Valid;
			public ValidValue Reference { get; set; } = ValidValue.Valid;
			public ValidValue Sequence { get; set; } = ValidValue.Valid;
			public ValidValue ProcessedAt { get; set; } = ValidValue.Valid;
			public ValidValue BatchAt { get; set; } = ValidValue.Valid;
			public ValidValue ElapseSecs { get; set; } = ValidValue.Valid;
		}

		//-------------------------------------------------------------------
		// Data members.
		private readonly Data data = new Data();
		// Flags.
		public static readonly Byte Flag_ = 0x01;

		//-------------------------------------------------------------------
		// Construction.
		public SaInterfaceProcess(SysId id, SysId interfaceId, SaInterfaceProcessDirection direction, String reference, int sequence) :
			base(id)
		{
			base.SetData(data);
			InterfaceId = interfaceId;
			Direction = direction;
			Reference = reference;
			Sequence = sequence;
			Status = DefaultStatus;
		}

		//-------------------------------------------------------------------
		// Statuses.
		private static readonly List<SaStatus> validStatuses = new List<SaStatus>()
		{
			SaStatus.Awaiting,
			SaStatus.InProgress,
			SaStatus.Completed,
			SaStatus.Cancelled
		};
		public static SaStatus DefaultStatus { get { return AwaitingStatus; } }
		public static SaStatus AwaitingStatus { get { return SaStatus.Awaiting; } }
		public static SaStatus InProgressStatus { get { return SaStatus.InProgress; } }
		public static SaStatus CompletedStatus { get { return SaStatus.Completed; } }
		public static SaStatus CancelledStatus { get { return SaStatus.Cancelled; } }
		public static List<SaStatus> ValidStatuses { get { return new List<SaStatus>(validStatuses); } }
		public static DataValue.TriStateType GetStatusTriState(SaStatus status)
		{
			switch (status)
			{
				case SaStatus.Awaiting:
					return Core.DataValue.TriStateType.Amber;
				case SaStatus.InProgress:
					return Core.DataValue.TriStateType.Blue;
				case SaStatus.Completed:
					return Core.DataValue.TriStateType.Green;
				case SaStatus.Cancelled:
					return Core.DataValue.TriStateType.Red;
				case SaStatus.Deleted:
					return Core.DataValue.TriStateType.Purple;
			}
			return Core.DataValue.TriStateType.Unknown;
		}

		//-------------------------------------------------------------------
		// Properties.
		public Data GetData() { return data.Clone(); }
		public void SetData(Data data)
		{
			// Properties that cannot be changed if previously specified.
			if (SysId.IsValid(Id) && SysId.ToInt(Id) != SysId.ToInt(data.Id))
				throw new NotSupportedException($"{SysUtil.Fn} Id cannot be changed");
			if (SysId.IsValid(InterfaceId) && SysId.ToInt(InterfaceId) != SysId.ToInt(data.InterfaceId))
				throw new NotSupportedException($"{SysUtil.Fn} Interface cannot be changed");
			if ((int)Direction > 0 && (int)Direction != (int)data.Direction)
				throw new NotSupportedException($"{SysUtil.Fn} Direction cannot be changed");
			if (!StringUtil.IsEmpty(Reference) && !Reference.Equals(data.Reference))
				throw new NotSupportedException($"{SysUtil.Fn} Reference cannot be changed");
			if (Sequence > 0 && Sequence != data.Sequence)
				throw new NotSupportedException($"{SysUtil.Fn} Sequence cannot be changed");
			// Populate individual properties to ensure that 'Changed' indicator is kept up to date.
			this.data.PopulateFrom(data);
		}
		public SysId InterfaceId
		{
			get { return data.InterfaceId; }
			protected set { data.InterfaceId = value; }
		}
		public SaInterfaceProcessDirection Direction
		{
			get { return data.Direction; }
			protected set { data.Direction = value; }
		}
		public String Reference
		{
			get { return data.Reference; }
			protected set { data.Reference = value; }
		}
		public int Sequence
		{
			get { return data.Sequence; }
			protected set { data.Sequence = value; }
		}
		public DateTime? ProcessAt
		{
			get { return data.ProcessAt; }
			set { data.ProcessAt = value; }
		}
		public DateTime? BatchAt
		{
			get { return data.BatchAt; }
			set { data.BatchAt = value; }
		}
		public int ElapseSecs
		{
			get { return data.ElapseSecs; }
			set { data.ElapseSecs = value; }
		}

		//-------------------------------------------------------------------
		// Flags.

		//-------------------------------------------------------------------
		// List parameters.
		public enum StatusCat
		{
			Any,
			AwaitingOnly,
			InProgressOnly,
			CompletedOnly,
		}
		/// <summary>
		/// Item list parameters.
		/// </summary>
		public new class Params : SacsHierarchyItem.Params
		{
			public HashSet<SysId> IdsIncluded { get; } = new HashSet<SysId>();
			public HashSet<SysId> IdsExcluded { get; } = new HashSet<SysId>();
			public SysId InterfaceId { get; set; }
			public SaInterfaceProcessDirection Direction { get; set; } = SaInterfaceProcessDirection.Unknown;
			public String Reference { get; set; }
			public String ReferencePartial { get; set; }
			public DateTime ProcessedOn { get; set; } = DateTime.MinValue;
			public DateTime ProcessedFrom { get; set; } = DateTime.MinValue;
			public DateTime ProcessedTo { get; set; } = DateTime.MinValue;
			public String MessageText { get; set; }
			public String MessageTextPartial { get; set; }
			public StatusCat StatusCat { get; set; } = StatusCat.Any;
		}

		//-------------------------------------------------------------------
		//                              L i s t
		//-------------------------------------------------------------------
		public class List : List<SaInterfaceProcess>
		{
		}

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