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 SpmEmployeeRole : SacsHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos,
			Id,
			DepartmentId,
			EmployeeId,
			Role,
			ApplicationFrom,
			ApplicationTo,

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

		//-------------------------------------------------------------------
		/// <summary>Properties other than common.</summary>
		public class DataProperties
		{
			public SysId DepartmentId { get; set; }
			public SysId EmployeeId { get; set; }
			public Spm.EmployeeRole EmployeeRole { get; set; }
			public DateTime ApplicationFrom { get; set; }
			public DateTime ApplicationTo { get; set; }
		}

		//-------------------------------------------------------------------
		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			// Data members.
			private readonly DataProperties data = new DataProperties();
			// Construction.
			public Data ()
			{
				Status = DefaultStatus;
			}
			// Properties.
			public SysId DepartmentId
			{
				get { return data.DepartmentId; }
				set { CheckChanged(data.DepartmentId, value); data.DepartmentId = value; }
			}
			public SysId EmployeeId
			{
				get { return data.EmployeeId; }
				set { CheckChanged(data.EmployeeId, value); data.EmployeeId = value; }
			}
			public Spm.EmployeeRole EmployeeRole
			{
				get { return data.EmployeeRole; }
				set { CheckChanged((int)data.EmployeeRole, (int)value); data.EmployeeRole = 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; }
			}
			// Population.
			internal void PopulateFrom (Data data)
			{
				DepartmentId = data.DepartmentId;
				EmployeeId = data.EmployeeId;
				EmployeeRole = data.EmployeeRole;
				ApplicationFrom = data.ApplicationFrom;
				ApplicationTo = data.ApplicationTo;
				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
		{
			public ValidValue DepartmentId { get; set; } = ValidValue.Valid;
			public ValidValue EmployeeId { get; set; } = ValidValue.Valid;
			public ValidValue EmployeeRole { 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 SpmEmployeeRole (SysId departmentId, SysId employeeId, Spm.EmployeeRole employeeRole) : base()
		{
			departmentId = DepartmentId;
			employeeId = EmployeeId;
			employeeRole = EmployeeRole;
			Status = DefaultStatus;
			base.SetData(data);
		}

		//-------------------------------------------------------------------
		// Status.
		private static readonly List<SaStatus> employeeRoleStatuses = new List<SaStatus>()
		{
			SaStatus.Current,
		};
		public static SaStatus DefaultStatus { get { return SaStatus.Current; } }
		public static List<SaStatus> EmployeeRoleStatuses { get { return new List<SaStatus>(employeeRoleStatuses); } }
		public static DataValue.TriStateType GetStatusTriState (SaStatus status)
		{
			employeeRoleStatuses.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 DepartmentId
		{
			get { return data.DepartmentId; }
			set { data.DepartmentId = value; }
		}
		public SysId EmployeeId
		{
			get { return data.EmployeeId; }
			set { data.EmployeeId = value; }
		}
		public Spm.EmployeeRole EmployeeRole
		{
			get { return data.EmployeeRole; }
			set { data.EmployeeRole = value; }
		}
		public DateTime ApplicationFrom
		{
			get { return data.ApplicationFrom; }
			set { data.ApplicationFrom = value; }
		}
		public DateTime ApplicationTo
		{
			get { return data.ApplicationTo; }
			set { 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 HasAdmissionRoles ();

		//-------------------------------------------------------------------
		//                            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>();
			// EmployeeRole.
			public SysId DepartmentId { get; set; }
			public SysId EmployeeId { get; set; }
			public Spm.EmployeeRole EmployeeRole { get; set; }
			public String Surname { get; set; }
			public String Initials { get; set; }
			public DateTime ApplicationFrom { get; set; }
			public DateTime ApplicationTo { get; set; }
			public DateTime Application { get; set; }

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

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