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 SpmFacilitySession : SacsHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos,
			// Facility columns.
			Facility_TypeDesc,
			Facility_Name,
			Facility_SortCode,
			Facility_Desc,
			Facility_TemplateMapTypeDesc,
			Facility_ApplicFrom,
			Facility_ApplicTo,
			Facility_Notes,
			// Template columns.
			Template_Id,
			Template_FacilityId,
			Template_WeekOfMonth,
			Template_DayOfWeek,
			Template_TypeDesc,
			Template_Name,
			Template_Desc,
			Template_ConsultantCode,
			Template_SpecialityCode,
			Template_ConsSpec,
			Template_StartTime,
			Template_FinishTime,
			Template_DurationTotal,
			Template_DurationInterval,
			Template_DurationMin,
			Template_DurationMax,
			Template_DurationBreaks,
			Template_UnitsExp,
			Template_ApplicFrom,
			Template_ApplicTo,
			Template_Notes,
			// Session columns.
			Session_Date,
			Session_Name,
			Session_Desc,
			Session_ConsultantCode,
			Session_SpecialityCode,
			Session_ConsSpec,
			Session_StartTime,
			Session_FinishTime,
			Session_DurationTotal,         // Total duration specifically for the session.
			Session_DurationInterval,
			Session_DurationMin,
			Session_DurationMax,
			Session_DurationBreaks,
			Session_UnitsExp,
			Session_Overrides,
			Session_Flags,
			Session_Unavailable,
			Session_Notes,
			// Derived session columns - template value if session not present.
			Session_Duration_Total,        // Total duration for template or session if specified.
			Session_Duration_Breaks,
			Session_Duration_Session,      // Total session time - breaks.
			Session_Admissions_Duration_Total,   // Booked mins - discharge time - admission time.
			Session_Admissions_Duration_BlankPatientNo,
			Session_Admissions_DurationExp,
			Session_Admissions_DurationAct,
			Session_Admissions_Duration_Util,
			Session_Admissions_UnitsExp_Total,
			Session_Admissions_UnitsExp_Util,
			Session_Available_Mins,
			Session_Admissions_LateCancelled,  // Includes bookings cancelled, deleted and moved sicne previous day.
			Session_Booked_Percent_Total,
			Session_Booked_Percent_Util,
			Session_Slots_Capacity_Min,
			Session_Slots_Capacity_Int,
			Session_Slots_Capacity_Maj,
			Session_Slots_Booked_Total,
			Session_Slots_Booked_Min,
			Session_Slots_Booked_Int,
			Session_Slots_Booked_Maj,
			Session_Slots_Booked_Other,
			Session_Slots_Booked_Percent,
			Session_Slots_Avail_Total,
			Session_Slots_Avail_Min,
			Session_Slots_Avail_Int,
			Session_Slots_Avail_Maj,

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

		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			public Data()
			{
				//Status = FacilitySessionStatus;
			}
			public SysId FacilityId{ get; set; }
			public SysId FacilityTemplateId{ get; set; }
			public DateTime SessionDate{ get; set; }
			public Spm.TemplateType TemplateType { get; set; }
			public String Name { get; set; }
			public String Desc { get; set; }
			public String SessionCode{ get; set; }
			public DateTime StartTime { get; set; }
			public DateTime FinishTime { get; set; }
			// Ward resources & Clinic sessions.
			public Spm.ResourceCapacityType ResourceCapacityType { get; set; }
			public short CapacityMin { get; set; }
			public short CapacityMax { get; set; }
			public decimal	UnitsExp { get; set; }
			public short DurationInterval { get; set; }
			public short DurationMin { get; set; }
			public short DurationMax { get; set; }
			public short DurationBreaks { get; set; }
			// Theatre & Clinic sessions.
			public SysId ConsultantId{ get; set; }
			public String ConsultantCode{ get; set; }
			public String SpecialityCode{ get; set; }

			internal void PopulateFrom(Data data)
			{
				FacilityId = data.FacilityId;
				FacilityTemplateId = data.FacilityTemplateId;
				SessionDate = data.SessionDate;
				TemplateType = data.TemplateType;
				Name = data.Name;
				Desc = data.Desc;
				SessionCode = data.SessionCode;
				StartTime = data.StartTime;
				FinishTime = data.FinishTime;
				ResourceCapacityType = data.ResourceCapacityType;
				CapacityMin = data.CapacityMin;
				CapacityMax = data.CapacityMax;
				UnitsExp = data.UnitsExp;
				DurationInterval = data.DurationInterval;
				DurationMin = data.DurationMin;
				DurationMax = data.DurationMax;
				DurationBreaks = data.DurationBreaks;
				ConsultantId = data.ConsultantId;
				ConsultantCode = data.ConsultantCode;
				SpecialityCode = data.SpecialityCode;
				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 FacilityTemplateId { get; set; } = ValidValue.Valid;
			public ValidValue SessionDate { get; set; } = ValidValue.Valid;
			public ValidValue TemplateType { get; set; } = ValidValue.Valid;
			public ValidValue Name { get; set; } = ValidValue.Valid;
			public ValidValue Desc { get; set; } = ValidValue.Valid;
			public ValidValue SessionCode { get; set; } = ValidValue.Valid;
			public ValidValue StartTime { get; set; } = ValidValue.Valid;
			public ValidValue FinishTime { 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 ConsultantId { get; set; } = ValidValue.Valid;
			public ValidValue ConsultantCode { get; set; } = ValidValue.Valid;
			public ValidValue SpecialityCode { get; set; } = ValidValue.Valid;
		}

		//-------------------------------------------------------------------
		// Data members.
		private readonly Data data = new Data();
		public static readonly ushort Flag_NotAvailable = 0x01;
		public static readonly ushort Flag_HideTemplateNotes = 0x02;
		public static readonly ushort Flag_HighlightSessionNotes = 0x03;
		public static readonly ushort Flag_Finalised = 0x04;

		//-------------------------------------------------------------------
		// Construction.
		protected SpmFacilitySession(SysId facilityId, SysId facilityTemplateId, DateTime sessionDate) : base()
		{
			facilityId = FacilityId;
			facilityTemplateId = FacilityTemplateId;
			sessionDate = SessionDate;
			Status = DefaultStatus;
			base.SetData(data);
		}

		//-------------------------------------------------------------------
		// Status.
		private static readonly List<SaStatus> facilitySessionStatuses = new List<SaStatus>()
		{
			SaStatus.Current,
		};
		public static SaStatus DefaultStatus { get { return SaStatus.Current; } }
		public static List<SaStatus> FacilitySessionStatuses { get { return new List<SaStatus>(facilitySessionStatuses); } }
		public static DataValue.TriStateType GetStatusTriState(SaStatus status)
		{
			facilitySessionStatuses.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 FacilityId
		{
			get { return data.FacilityId; }
			set { CheckChanged(data.FacilityId, value); data.FacilityId = value; }
		}
		public SysId FacilityTemplateId
		{
			get { return data.FacilityTemplateId; }
			set { CheckChanged(data.FacilityTemplateId, value); data.FacilityTemplateId = value; }
		}
		public DateTime SessionDate
		{
			get { return data.SessionDate; }
			set { CheckChanged(data.SessionDate, value); data.SessionDate = 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 Description
		{
			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 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 Spm.ResourceCapacityType ResourceCapacityType
		{
			get { return data.ResourceCapacityType; }
			set { CheckChanged((int)data.ResourceCapacityType, (int)value); data.ResourceCapacityType = value; }
		}
		public short CapacityMin
		{
			get { return data.CapacityMin; }
			set { CheckChanged(data.CapacityMin, value); data.CapacityMin = value; }
		}
		public short 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 short DurationInterval
		{
			get { return data.DurationInterval; }
			set { CheckChanged(data.DurationInterval, value); data.DurationInterval = value; }
		}
		public short DurationMin
		{
			get { return data.DurationMin; }
			set { CheckChanged(data.DurationMin, value); data.DurationMin = value; }
		}
		public short DurationMax
		{
			get { return data.DurationMax; }
			set { CheckChanged(data.DurationMax, value); data.DurationMax = value; }
		}
		public short DurationBreaks
		{
			get { return data.DurationBreaks; }
			set { CheckChanged(data.DurationBreaks, value); data.DurationBreaks = 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; }
		}

		//-------------------------------------------------------------------
		// Flags.
		public bool NotAvailable
		{
			get { return GetFlag(Flag_NotAvailable); }
			set { SetFlag(Flag_NotAvailable, value); }
		}
		public bool HideTemplateNotes
		{
			get { return GetFlag(Flag_HideTemplateNotes); }
			set { SetFlag(Flag_HideTemplateNotes, value); }
		}
		public bool HighlightSessionNotes
		{
			get { return GetFlag(Flag_HighlightSessionNotes); }
			set { SetFlag(Flag_HighlightSessionNotes, value); }
		}
		public bool Finalised
		{
			get { return GetFlag(Flag_Finalised); }
			set { SetFlag(Flag_Finalised, 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>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>();
			// FacilitySession.
			public SysId FacilityId { get; set; }
			public SysId FacilityTemplateId { get; set; }
			public DateTime SessionFrom { get; set; }
			public DateTime SessionTo { get; set; }

			public DateTime Admission { get; set; }
			/*public DateTime AdmissionFrom { get; set; }
			public DateTime AdmissionTo { get; set; }
			public SysId DepartmentId { get; set; }
			public SysId FacilityId { get; set; }
			public SysId FacilityTemplate { get; set; }
			public Spm.FacilityType FacilityType { get; set; }
			int iMaxSeq, iMinSeq{ get; set; }
			eSwmAdmissionCancelType eCancelType{ get; set; }
			String sPatientNoFull, sPatientNoPartial, sPatientSurname{ get; set; }*/

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

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