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 SpmDepartment : SacsHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos,
			Id,
			Name,
			ApplicatonFrom,
			ApplicationTo,

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

		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			public Data()
			{
				//Status = DepartmentStatus;
			}
			public String Name { get; set; }
			public DateTime ApplicationFrom { get; set; }
			public DateTime ApplicationTo { get; set; }

			internal void PopulateFrom(Data data)
			{
				Name = data.Name;
				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 Name { 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();
		private long facilityTypes;
		private long allowAnyFacility;

		//-------------------------------------------------------------------
		// Construction.
		protected SpmDepartment(SysId id) : base(id)
		{
			Status = DefaultStatus;
			base.SetData(data);
		}

		//-------------------------------------------------------------------
		// Status.
		private static readonly List<SaStatus> departmentStatuses = new List<SaStatus>()
		{
			SaStatus.Current,
		};
		public static SaStatus DefaultStatus { get { return SaStatus.Current; } }
		public static List<SaStatus> DepartmentStatuses { get { return new List<SaStatus>(departmentStatuses); } }
		public static DataValue.TriStateType GetStatusTriState(SaStatus status)
		{
			departmentStatuses.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 String Name
		{
			get { return data.Name; }
			set { CheckChanged(data.Name, value); data.Name = value; }
		}
		public int GetFacilityTypeBit(Spm.FacilityType facilityType)
		{
			// Map facility types to their position in the bit mapped value:
			if (facilityType == Spm.FacilityType.Theatre) return 0;
			if (facilityType == Spm.FacilityType.Clinic) return 1;
			if (facilityType == Spm.FacilityType.Ward) return 2;
			if (facilityType == Spm.FacilityType.Apparatus) return 3;
			return -1;
		}
		public bool HasFacilityType(Spm.FacilityType facilityType)
		{
			int facilityTypeBit = GetFacilityTypeBit(facilityType);
			if (facilityTypeBit >= 0 && facilityTypeBit < 32)
				return ((facilityTypes & (((long)1) << facilityTypeBit)) > 0);
			return false;
		}

		public bool AllowAnyFacility(Spm.FacilityType facilityType)
		{
			int iFacilityTypeBit = GetFacilityTypeBit(facilityType);
			if (iFacilityTypeBit >= 0 && iFacilityTypeBit < 32)
				return ((allowAnyFacility & (((long)1) << iFacilityTypeBit)) > 0);
			return false;
		}
		public long GetFacilityTypes() { return facilityTypes; }
		public long GetAllowAnyFacilities() { return allowAnyFacility; }

		public ushort GetCancelReBookLimit(Spm.FacilityType facility)
		{
			if (facility == Spm.FacilityType.Theatre) return 28;
			return 0;
		}
		public DateTime ApplicationFrom
		{
			get { return data.ApplicationFrom; }
			set { CheckChanged(data.ApplicationFrom, value); data.ApplicationFrom = value; }dd
		}
		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 int GetFacilityCount(Spm.FacilityType type);
		public abstract bool HasFacilities(Spm.FacilityType type);
		public abstract bool HasProcedures();

		//-------------------------------------------------------------------
		//                            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>();

			// Department.
			public String Name { get; set; }
			public String NamePartial { get; set; }
			public DateTime ApplicationFrom { get; set; }
			public DateTime ApplicationTo { get; set; }
			public DateTime Application { get; set; }

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

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