using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Sarand.Core.Base;
using Sarand.Core.Bus;
using Sarand.PatientMgr.Core.App;

namespace Sarand.PatientMgr.Core.Bus
{
	//=======================================================================
	public abstract class SpmAdmissionData : SacsHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos,
			Id,
			AdmissionId,
			Type,
			Type_Desc,
			AdmissionData,

			// Common properties.
			Notes,
			Flag,
			Status,
			Status_Ind,
			Status_Desc,
			CreateOn_Date,
			UpdateOn_Date,
		}

		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			public Data()
			{
				//Status = AdmissionDataStatus;
			}
			public SysId AdmissionId { get; set; }
			public Spm.AdmissionDataType AdmissionDataType { get; set; }
			public String AdmissionData { get; set; }

			internal void PopulateFrom(Data data)
			{
				AdmissionId = data.AdmissionId;
				AdmissionDataType = data.AdmissionDataType;
				AdmissionData = data.AdmissionData;
				base.PopulateFrom(data);
			}
			public Data Clone()
			{
				Data data = new Data();
				data.PopulateFrom(this);
				return data;
			}
		}

		// ErrField.
		public new class ErrField : SacsHierarchyItem.ErrField
		{
			public ValidValue AdmissionId { get; set; } = ValidValue.Valid;
			public ValidValue AdmissionDataType { get; set; } = ValidValue.Valid;
			public ValidValue AdmissionData { get; set; } = ValidValue.Valid;
		}

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

		//-------------------------------------------------------------------
		// Construction.
		protected SpmAdmissionData(SysId admissionId, Spm.AdmissionDataType admissionDataType) : base()
		{
			admissionId = AdmissionId;
			admissionDataType = AdmissionDataType;
			Status = DefaultStatus;
			base.SetData(data);
		}

		//-------------------------------------------------------------------
		// Status.
		private static readonly List<SaStatus> admissionDataStatuses = new List<SaStatus>()
		{
			SaStatus.Current,
		};
		public static SaStatus DefaultStatus { get { return SaStatus.Current; } }
		public static List<SaStatus> AdmissionDataStatuses { get { return new List<SaStatus>(admissionDataStatuses); } }
		public static DataValue.TriStateType GetStatusTriState(SaStatus status)
		{
			admissionDataStatuses.Add(SaStatus.Current);

			switch (status)
			{
				case SaStatus.Current:
					return DataValue.TriStateType.Green;
			}
			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");
			this.data.PopulateFrom(data);
		}

		//-------------------------------------------------------------------
		// Attributes.
		public SysId AdmissionId
		{
			get { return data.AdmissionId; }
			set { CheckChanged(data.AdmissionId, value); data.AdmissionId = value; }
		}
		public Spm.AdmissionDataType AdmissionDataType
		{
			get { return data.AdmissionDataType; }
			set { CheckChanged((int)data.AdmissionDataType, (int)value); data.AdmissionDataType = value; }
		}
		public String AdmissionData
		{
			get { return data.AdmissionData; }
			set { CheckChanged(data.AdmissionData, value); data.AdmissionData = value; }
		}

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


		//-------------------------------------------------------------------
		//          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>Parameters - used to define the filters that should be applied to a List of Addresses</summary>
		// List parameters.
		public enum StatusCat
		{
			Any,
		}
		/// <summary> Item list parameters. </summary>
		public new class Params : SacsHierarchyItem.Params
		{
			// List filtering.
			public List<SysId> IncludedIds { get; } = new List<SysId>();
			public List<SysId> ExcludedIds { get; } = new List<SysId>();
			// Admission Data.
			public SysId AdmissionId { get; set; }
			public Spm.AdmissionDataType AdmissionDataType { get; set; }
			public String AdmissionData { get; set; }

			public StatusCat StatusCat { get; set; } = StatusCat.Any;
		}
		//-------------------------------------------------------------------
	}
	//=======================================================================
	//                 AdmissionData   D a t a   L i s t
	//=======================================================================
	public static class SpmAdmissionDataList
	{
		/// <summary>Check whether admission data exists/locate in list with specified Id.</summary>
		public static bool SetIdentity(this List<SpmAdmissionData> values, SpmAdmission admission)
		{
			foreach (SpmAdmissionData admissionData in values)
				admissionData.AdmissionId = admission.Id;
			return true;
		}
		public static bool Find(this List<SpmAdmissionData> values, SpmAdmissionData admissionData)
		{
			if (admissionData == null) return false;
			return (values.Find(item => item == admissionData) != null);
		}
		public static bool FindByType(this List<SpmAdmissionData> values, String admissionDataType)
		{
			if (StringUtil.IsEmpty(admissionDataType)) return false;
			return values.Exists(item => item.AdmissionDataType.ToString().EqualsCI(admissionDataType));
		}
	}


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