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 SpmFacilityTemplate : SacsHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos,
			Id,
			Category,
			Type,
			Sort,
			Group,
			Name,
			Desc,
			CapacityType,
			WeekOfMonth,
			DayOfWeek,
			Consultant,
			Speciality,
			UnitsExp,
			DurationInterval,
			DurationMin,
			DurationMax,
			DurationBreaks,
			SlotsMin,
			SlotsInt,
			SlotsMaj,
			Start,
			Finish,
			Notes,
			ApplicFrom,
			ApplicTo,

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

		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			public Data()
			{
				//Status = FacilityTemplateStatus;
			}
			public SysId FacilityId { get; set; }
			public Spm.ResourceCategory ResourceCategory { get; set; }
			public Spm.TemplateType TemplateType { get; set; }
			public String Name { get; set; }
			public String SortCode { get; set; }
			public String Desc { get; set; }
			public String SessionCode { get; set; }
			public String Group { get; set; }
			// Ward resources & Clinic sessions.
			public Spm.ResourceCapacityType ResourceCapacityType { get; set; }
			public ushort CapacityMin { get; set; }
			public ushort CapacityMax { get; set; }
			public decimal UnitsExp { get; set; }
			public ushort DurationInterval { get; set; }
			public ushort DurationMin { get; set; }
			public ushort DurationMax { get; set; }
			public ushort DurationBreaks { get; set; }
			// Theatre & Clinic sessions.
			public ushort WeekOfMonth { get; set; }
			public ushort DayOfWeek { get; set; }
			public SysId ConsultantId { get; set; }   // Employee role.
			public String ConsultantCode { get; set; }
			public String SpecialityCode { get; set; }
			public DateTime StartTime { get; set; }
			public DateTime FinishTime { get; set; }
			public DateTime ApplicationFrom { get; set; }
			public DateTime ApplicationTo { get; set; }

			internal void PopulateFrom(Data data)
			{
				FacilityId = data.FacilityId;
				ResourceCategory = data.ResourceCategory;
				TemplateType = data.TemplateType;
				Name = data.Name;
				SortCode = data.SortCode;
				Desc = data.Desc;
				SessionCode = data.SessionCode;
				Group = data.Group;
				ResourceCapacityType = data.ResourceCapacityType;
				CapacityMin = data.CapacityMin;
				CapacityMax = data.CapacityMax;
				UnitsExp = data.UnitsExp;
				DurationInterval = data.DurationInterval;
				DurationMin = data.DurationMin;
				DurationMax = data.DurationMax;
				DurationBreaks = data.DurationBreaks;
				WeekOfMonth = data.WeekOfMonth;
				DayOfWeek = data.DayOfWeek;
				ConsultantId = data.ConsultantId;
				ConsultantCode = data.ConsultantCode;
				SpecialityCode = data.SpecialityCode;
				StartTime = data.StartTime;
				FinishTime = data.FinishTime;
				ApplicationFrom = data.ApplicationFrom;
				ApplicationTo = data.ApplicationTo;
				base.PopulateFrom(data);
			}
			public Data Clone()
			{
				Data data = new Data();
				data.PopulateFrom(this);
				return data;
			}
		}

		// ErrField.
		public new class ErrField : SacsHierarchyItem.ErrField
		{
			public ValidValue FacilityId { get; set; } = ValidValue.Valid;
			public ValidValue ResourceCategory { get; set; } = ValidValue.Valid;
			public ValidValue TemplateType { get; set; } = ValidValue.Valid;
			public ValidValue Name { get; set; } = ValidValue.Valid;
			public ValidValue SortCode { get; set; } = ValidValue.Valid;
			public ValidValue Desc { get; set; } = ValidValue.Valid;
			public ValidValue SessionCode { get; set; } = ValidValue.Valid;
			public ValidValue Group { get; set; } = ValidValue.Valid;
			public ValidValue ResourceCapacityType { get; set; } = ValidValue.Valid;
			public ValidValue CapacityMin { get; set; } = ValidValue.Valid;
			public ValidValue CapacityMax { get; set; } = ValidValue.Valid;
			public ValidValue UnitsExp { get; set; } = ValidValue.Valid;
			public ValidValue DurationInterval { get; set; } = ValidValue.Valid;
			public ValidValue DurationMin { get; set; } = ValidValue.Valid;
			public ValidValue DurationMax { get; set; } = ValidValue.Valid;
			public ValidValue DurationBreaks { get; set; } = ValidValue.Valid;
			public ValidValue WeekOfMonth { get; set; } = ValidValue.Valid;
			public ValidValue DayOfWeek { get; set; } = ValidValue.Valid;
			public ValidValue ConsultantId { get; set; } = ValidValue.Valid;
			public ValidValue ConsultantCode { get; set; } = ValidValue.Valid;
			public ValidValue SpecialityCode { get; set; } = ValidValue.Valid;
			public ValidValue StartTime { get; set; } = ValidValue.Valid;
			public ValidValue FinishTime { get; set; } = ValidValue.Valid;
			public ValidValue ApplicationFrom { get; set; } = ValidValue.Valid;
			public ValidValue ApplicationTo { get; set; } = ValidValue.Valid;
		}

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

		//-------------------------------------------------------------------
		// Construction.
		protected SpmFacilityTemplate(SysId facilityId, Spm.ResourceCategory resourceCategory) : base()
		{
			facilityId = FacilityId;
			resourceCategory = ResourceCategory;
			Status = DefaultStatus;
			base.SetData(data);
		}

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

			switch (status)
			{
				case SaStatus.Current:
					return DataValue.TriStateType.Green;
			}
			return DataValue.TriStateType.Unknown;
		}

		//-------------------------------------------------------------------
		// Status.

		//-------------------------------------------------------------------
		// 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 FacilityId
		{
			get { return data.FacilityId; }
			set { CheckChanged(data.FacilityId, value); data.FacilityId = value; }
		}
		public Spm.ResourceCategory ResourceCategory
		{
			get { return data.ResourceCategory; }
			set { CheckChanged((int)data.ResourceCategory, (int)value); data.ResourceCategory = value; }
		}
		public Spm.TemplateType TemplateType
		{
			get { return data.TemplateType; }
			set { CheckChanged((int)data.TemplateType, (int)value); data.TemplateType = value; }
		}
		public String Name
		{
			get { return data.Name; }
			set { CheckChanged(data.Name, value); data.Name = value; }
		}
		public String SortCode
		{
			get { return data.SortCode; }
			set { CheckChanged(data.SortCode, value); data.SortCode = value; }
		}
		public String Desc
		{
			get { return data.Desc; }
			set { CheckChanged(data.Desc, value); data.Desc = value; }
		}
		public String SessionCode
		{
			get { return data.SessionCode; }
			set { CheckChanged(data.SessionCode, value); data.SessionCode = value; }
		}
		public String Group
		{
			get { return data.Group; }
			set { CheckChanged(data.Group, value); data.Group = value; }
		}
		// Ward resources & Clinic sessions.
		public Spm.ResourceCapacityType ResourceCapacityType
		{
			get { return data.ResourceCapacityType; }
			set { CheckChanged((int)data.ResourceCapacityType, (int)value); data.ResourceCapacityType = value; }
		}
		public ushort CapacityMin
		{
			get { return data.CapacityMin; }
			set { CheckChanged(data.CapacityMin, value); data.CapacityMin = value; }
		}
		public ushort CapacityMax
		{
			get { return data.CapacityMax; }
			set { CheckChanged(data.CapacityMax, value); data.CapacityMax = value; }
		}
		public decimal UnitsExp
		{
			get { return data.UnitsExp; }
			set { CheckChanged(data.UnitsExp, value); data.UnitsExp = value; }
		}
		public static ushort GetDurationIntervalDefault()
		{
			return 15;
		}
		public ushort DurationInterval
		{
			get { return data.DurationInterval; }
			set { CheckChanged(data.DurationInterval, value); data.DurationInterval = value; }
		}
		public ushort DurationMin
		{
			get { return data.DurationMin; }
			set { CheckChanged(data.DurationMin, value); data.DurationMin = value; }
		}
		public ushort DurationMax
		{
			get { return data.DurationMax; }
			set { CheckChanged(data.DurationMax, value); data.DurationMax = value; }
		}
		public ushort DurationBreaks
		{
			get { return data.DurationBreaks; }
			set { CheckChanged(data.DurationBreaks, value); data.DurationBreaks = value; }
		}
		// Theatre & Clinic sessions.
		public ushort WeekOfMonth
		{
			get { return data.WeekOfMonth; }
			set { CheckChanged(data.WeekOfMonth, value); data.WeekOfMonth = value; }
		}
		public ushort DayOfWeek
		{
			get { return data.DayOfWeek; }
			set { CheckChanged(data.DayOfWeek, value); data.DayOfWeek = value; }
		}
		public SysId ConsultantId
		{
			get { return data.ConsultantId; }
			set { CheckChanged(data.ConsultantId, value); data.ConsultantId = value; }
		}
		public String ConsultantCode
		{
			get { return data.ConsultantCode; }
			set { CheckChanged(data.ConsultantCode, value); data.ConsultantCode = value; }
		}
		public String SpecialityCode
		{
			get { return data.SpecialityCode; }
			set { CheckChanged(data.SpecialityCode, value); data.SpecialityCode = value; }
		}
		public DateTime StartTime
		{
			get { return data.StartTime; }
			set { CheckChanged(data.StartTime, value); data.StartTime = value; }
		}
		public DateTime FinishTime
		{
			get { return data.FinishTime; }
			set { CheckChanged(data.FinishTime, value); data.FinishTime = value; }
		}
		public DateTime ApplicationFrom
		{
			get { return data.ApplicationFrom; }
			set { CheckChanged(data.ApplicationFrom, value); data.ApplicationFrom = value; }
		}
		public DateTime ApplicationTo
		{
			get { return data.ApplicationTo; }
			set { CheckChanged(data.ApplicationTo, value); data.ApplicationTo = value; }
		}

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

		//-------------------------------------------------------------------
		//          A s s o c i a t e d   D a t a   E l e m e n t s
		//-------------------------------------------------------------------
		public abstract bool HasDataItems();   // eg. Slots.
		public abstract bool HasSessions();
		public abstract bool HasSessionsBefore(DateTime target, ref DateTime? earliest, ref DateTime? latest);
		public abstract bool HasSessionsAfter(DateTime target, ref DateTime? earliest, ref DateTime? latest);
		public abstract bool HasSessions(DateTime before, DateTime after, ref DateTime? earliest, ref DateTime? latest);
		public abstract bool HasAdmissions(Spm.AdmissionCancelType admissionCancelType);
		public abstract bool HasAdmissionsBefore(DateTime target, Spm.AdmissionCancelType admissionCancelType, ref DateTime? earliest, ref DateTime? latest);
		public abstract bool HasAdmissionsAfter(DateTime target, Spm.AdmissionCancelType admissionCancelType, ref DateTime? earliest, ref DateTime? latest);
		public abstract bool HasAdmissions(DateTime before, DateTime after, Spm.AdmissionCancelType admissionCancelType, ref DateTime? earliest, ref DateTime? latest);
		public abstract long GetSessionComplexityCount(DateTime admission, String complexity,SysId admissionExcludeId);

		//-------------------------------------------------------------------
		//                            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>();
			//FacilityTemplate.
			public DateTime ApplicationFrom { get; set; }
			public DateTime ApplicationTo { get; set; }
			public DateTime Application { get; set; }

			public StatusCat StatusCat { get; set; } = StatusCat.Any;
		}
		//-------------------------------------------------------------------
	}
	//=======================================================================
	//                 FacilityTemplate   D a t a   L i s t
	//=======================================================================
	public static class SpmFacilityTemplateList
	{
	}

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