using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Utils;
using Saxonite.Net.Standard.Base.App;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Saxonite.Net.Standard.Base.Bus
{
	//=======================================================================
	// Organisation.
	//=======================================================================
	public abstract class SaxOrganisation : SaxDisposableHierarchyItem
	{
		//-------------------------------------------------------------------
		// Columns.
		public enum Column
		{
			Pos,
			Id,
			Name,
			OrganisationType,
			OrganisationType_Desc,
			OrganisationCategory,
			OrganisationCategory_Desc,
			// Sport.
			SportId,
			Sport_Name,
			// Region.
			RegionId,
			Region_Name,
			// Associated data.
			/// <summary>Number of users with an active interest in the organisation.</summary>
			User_Count,
			/// <summary>Number of users who are 'members' of the organisation.</summary>
			Member_Count,
			/// <summary>Number of active logo images.</summary>
			LogoImage_Count,
			// Common.
			Notes,
			Flags,
			Status,
			Status_Desc,
			Status_Ind,
			CreateOn_Date,
			UpdateOn_Date,
		}

		//-------------------------------------------------------------------
		/// <summary>Properties other than common.</summary>
		public class DataProperties
		{
			public String Name { get; set; } = String.Empty;
			public Sax.OrganisationType OrganisationType { get; set; }
			public Sax.OrganisationCategory OrganisationCategory { get; set; }
			public SysId SportIdPrimary { get; set; }
			public SysId RegionIdPrimary { get; set; }
			public String About { get; set; } = String.Empty;
			public String Facilities { get; set; } = String.Empty;
			public String ContactData { get; set; } = String.Empty;
		}

		//-------------------------------------------------------------------
		// Data.
		public new class Data : SacsHierarchyItem.Data
		{
			// Data members.
			private readonly DataProperties data = new DataProperties();
			// Construction.
			public Data()
			{
				Status = DefaultStatus;
			}
			// Properties.
			public String Name
			{
				get { return data.Name; }
				set { CheckChanged(data.Name, value); data.Name = value; }
			}
			public Sax.OrganisationType OrganisationType
			{
				get { return data.OrganisationType; }
				set { CheckChangedEnum(data.OrganisationType, value); data.OrganisationType = value; }
			}
			public Sax.OrganisationCategory OrganisationCategory
			{
				get { return data.OrganisationCategory; }
				set { CheckChangedEnum(data.OrganisationCategory, value); data.OrganisationCategory = value; }
			}
			public SysId SportIdPrimary
			{
				get { return data.SportIdPrimary; }
				set { CheckChanged(data.SportIdPrimary, value); data.SportIdPrimary = value; }
			}
			public SysId RegionIdPrimary
			{
				get { return data.RegionIdPrimary; }
				set { CheckChanged(data.RegionIdPrimary, value); data.RegionIdPrimary = value; }
			}
			public String About
			{
				get { return data.About; }
				set { CheckChanged(data.About, value); data.About = value; }
			}
			public String Facilities
			{
				get { return data.Facilities; }
				set { CheckChanged(data.Facilities, value); data.Facilities = value; }
			}
			public String ContactData
			{
				get { return data.ContactData; }
				set { CheckChanged(data.ContactData, value); data.ContactData = value; }
			}
			// Population.
			internal void PopulateFrom(Data data)
			{
				Name = data.Name;
				OrganisationType = data.OrganisationType;
				OrganisationCategory = data.OrganisationCategory;
				SportIdPrimary = data.SportIdPrimary;
				RegionIdPrimary = data.RegionIdPrimary;
				About = data.About;
				Facilities = data.Facilities;
				ContactData = data.ContactData;
				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
		{
			// Identifies the field that has invalid data.
			public ValidValue Name { get; set; } = ValidValue.Valid;
			public ValidValue OrganisationType { get; set; } = ValidValue.Valid;
			public ValidValue OrganisationCategory { get; set; } = ValidValue.Valid;
			public ValidValue SportIdPrimary { get; set; } = ValidValue.Valid;
			public ValidValue RegionIdPrimary { get; set; } = ValidValue.Valid;
			public ValidValue About { get; set; } = ValidValue.Valid;
			public ValidValue Facilities { get; set; } = ValidValue.Valid;
			public ValidValue ContactData { get; set; } = ValidValue.Valid;
		}

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

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

		//-------------------------------------------------------------------
		// Status.
		private static readonly List<SaStatus> validStatuses = new List<SaStatus>()
		{
			SaStatus.Awaiting,
			SaStatus.Active,
			SaStatus.OnHold,
			SaStatus.Inactive,
			SaStatus.Deleted,
		};
		public static SaStatus DefaultStatus { get { return SaStatus.Active; } }
		public static List<SaStatus> ValidStatuses { get { return new List<SaStatus>(validStatuses); } }
		public static DataValue.TriStateType GetStatusTriState(SaStatus status)
		{
			if (status == SaStatus.Active) return DataValue.TriStateType.Green;
			if (status == SaStatus.OnHold) return DataValue.TriStateType.Amber;
			if (status == SaStatus.Inactive) return DataValue.TriStateType.Red;
			if (status == SaStatus.Deleted) return DataValue.TriStateType.Purple;
			return DataValue.TriStateType.Unknown;
		}

		//-------------------------------------------------------------------
		// Utilities.
		public ItemId GetItemId()
		{
			return new ItemId((short)Sax.DataItemType.Organisation, Id);
		}
		// Sport is mandatory for certain organisation categories.
		public static bool IsSportMandatory(Sax.OrganisationCategory organisationCategory)
		{
			if (organisationCategory == Sax.OrganisationCategory.Club) return true;
			if (organisationCategory == Sax.OrganisationCategory.Association) return true;
			if (organisationCategory == Sax.OrganisationCategory.SportDepartment) return true;
			return false;
		}
		private static List<Sax.ContactMethod> validContactMethods = new List<Sax.ContactMethod>
		{
			Sax.ContactMethod.PhoneMain,
			Sax.ContactMethod.PhoneOffice,
			// Online.
			Sax.ContactMethod.Email,
			Sax.ContactMethod.Website,
			Sax.ContactMethod.Wikipedia,
			// Social media.
			Sax.ContactMethod.LinkedIn,
			Sax.ContactMethod.Twitter,
			Sax.ContactMethod.Facebook,
			Sax.ContactMethod.Instagram,
			Sax.ContactMethod.YouTube,
			Sax.ContactMethod.Twitch,
		};
		public static List<Sax.ContactMethod> ValidContactMethods { get { return new List<Sax.ContactMethod>(validContactMethods); } }

		//-------------------------------------------------------------------
		// Properties.
		public Data GetData() { return data.Clone(); }
		public void SetData(Data data)
		{
			// Properties that cannot be changed if previously specified.
			if (SysId.IsValid(Id) && SysId.ToInt(Id) != SysId.ToInt(data.Id))
				throw new NotSupportedException($"{SysUtil.Fn} Id cannot be changed");
			this.data.PopulateFrom(data);
		}
		public String Name
		{
			get { return data.Name; }
			set { data.Name = value; }
		}
		public Sax.OrganisationType OrganisationType
		{
			get { return data.OrganisationType; }
			set { data.OrganisationType = value; }
		}
		public Sax.OrganisationCategory OrganisationCategory
		{
			get { return data.OrganisationCategory; }
			set { data.OrganisationCategory = value; }
		}
		public SysId SportIdPrimary
		{
			get { return data.SportIdPrimary; }
			set { data.SportIdPrimary = value; }
		}
		public SysId RegionIdPrimary
		{
			get { return data.RegionIdPrimary; }
			set { data.RegionIdPrimary = value; }
		}
		public String About
		{
			get { return data.About; }
			set { data.About = value; }
		}
		public String Facilities
		{
			get { return data.Facilities; }
			set { data.Facilities = value; }
		}
		public String ContactData
		{
			get { return data.ContactData; }
			set { data.ContactData = value; }
		}

		//-------------------------------------------------------------------
		// Flags - positions 1-16 available.

		//-------------------------------------------------------------------
		//                   A s s o c i a t e d   D a t a
		//-------------------------------------------------------------------

		//-------------------------------------------------------------------
		//                            P a r a m s
		//-------------------------------------------------------------------
		// List parameters.
		public enum StatusCat
		{
			Any,
			AwaitingOnly,
			ActiveOnly,
			InactiveOnly,
			NotDeleted,
			DeletedOnly,
		}
		/// <summary>
		/// Item list parameters.
		/// </summary>
		public new class Params : SacsHierarchyItem.Params
		{
			// List filtering.
			public HashSet<SysId> IdsIncluded { get; } = new HashSet<SysId>();
			public HashSet<SysId> IdsExcluded { get; } = new HashSet<SysId>();
			public String NameFull { get; set; }
			public String NamePartial { get; set; }
			public Sax.OrganisationCategory OrganisationCategory { get; set; } = Sax.OrganisationCategory.Unknown;
			public HashSet<Sax.OrganisationCategory> OrganisationCategoriesExcluded { get; } = new HashSet<Sax.OrganisationCategory>();
			public Sax.OrganisationType OrganisationType { get; set; } = Sax.OrganisationType.Unknown;
			/// <summary>Partial match on a number of fields, including name, sport, address, etc.</summary>
			public String OrganisationFilter { get; set; }
			public HashSet<SysId> SportIdsIncluded { get; } = new HashSet<SysId>();
			public HashSet<SysId> RegionIdsIncluded { get; } = new HashSet<SysId>();
			// Common properties.
			public String NotesPartial { get; set; }
			public StatusCat StatusCat { get; set; } = StatusCat.ActiveOnly;
			// Table aliases - blank if not linked.
			public String Alias_Sport_Primary { get; set; }
			public String Alias_Region_Primary { get; set; }
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
	// Item list extension methods.
	public static class SaxOrganisationList
	{
		//-------------------------------------------------------------------
		/// <summary>
		/// Extract the Organisation Ids.
		/// </summary>
		public static List<SysId> GetIds(this List<SaxOrganisation> values)
		{
			return values.Select(item => item.Id).ToList();
		}

		//-------------------------------------------------------------------
		/// <summary>
		/// Extract the first Organisation in list with the specified Id.
		/// </summary>
		public static SaxOrganisation GetOrganisationById(this List<SaxOrganisation> values, SysId organisationId)
		{
			return values.Find(item => item.Id.Equals(organisationId));
		}

		//-------------------------------------------------------------------
		/// <summary>
		/// Get the name of the first Organisation in list with the specified Id.
		/// </summary>
		public static String GetOrganisationName(this List<SaxOrganisation> values, SysId organisationId)
		{
			return values.Find(item => item.Id.Equals(organisationId))?.Name ?? "";
		}

		//-------------------------------------------------------------------
	}

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