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

namespace Saxonite.Net.Standard.Base.Mgr
{
	//=======================================================================
	partial class SaxActivityMgr
	{
		//*******************************************************************
		// Activity Mgr - Article
		//*******************************************************************
		// Utilities.

		//-------------------------------------------------------------------
		// Create item.
		public abstract SaxArticle CreateArticle(SysId userAccountIdAuthor, SysId organisationId);

		//-------------------------------------------------------------------
		// Item exists.
		public bool ArticleExistsById(SysId id)
		{
			ClearErrorState();
			if (!SysId.IsValid(id)) return false;
			SaxArticle.Params prmArticle = new SaxArticle.Params();
			prmArticle.IdsIncluded.Add(id);
			prmArticle.StatusCat = SaxArticle.StatusCat.Any;
			return GetArticleCount(prmArticle) == 1;
		}

		//-------------------------------------------------------------------
		// Retrieve individual items.
		public abstract SaxArticle GetArticle(SaxArticle.Params prmArticle);
		public SaxArticle GetArticleById(SysId id)
		{
			ClearErrorState();
			if (!SysId.IsValid(id)) return null;
			SaxArticle.Params prmArticle = new SaxArticle.Params();
			prmArticle.IdsIncluded.Add(id);
			prmArticle.StatusCat = SaxArticle.StatusCat.Any;
			return GetArticle(prmArticle);
		}

		//-------------------------------------------------------------------
		// Validate item data.
		public bool IsValidArticle(SaxArticle article)
		{
			ClearErrorState();
			if (article == null) return SetErrorState(ErrorMessage.ItemNotSpecified);
			return IsValidArticleData(article.GetData(), new SaxArticle.ErrField());
		}
		public virtual bool IsValidArticleData(SaxArticle.Data data, SaxArticle.ErrField errField)
		{
			ClearErrorState();

			// User Account - Author.
			if (errField.UserAccountIdAuthor != SacsHierarchyItem.ValidValue.Ignore && !SysId.IsValid(data.UserAccountIdAuthor))
			{
				errField.UserAccountIdAuthor = SacsHierarchyItem.ValidValue.Invalid;
				return SetErrorState("Author must be specified");
			}
			// Primary Sport.
			if (errField.SportIdPrimary != SacsHierarchyItem.ValidValue.Ignore && !SysId.IsValid(data.SportIdPrimary))
			{
				errField.SportIdPrimary = SacsHierarchyItem.ValidValue.Invalid;
				return SetErrorState("Sport must be specified");
			}
			// Primary Region.
			if (errField.RegionIdPrimary != SacsHierarchyItem.ValidValue.Ignore && !SysId.IsValid(data.RegionIdPrimary))
			{
				errField.RegionIdPrimary = SacsHierarchyItem.ValidValue.Invalid;
				return SetErrorState("Region must be specified");
			}

			// Headline.
			if (errField.Headline != SacsHierarchyItem.ValidValue.Ignore && !IsValidValue(data.Headline, "headline", (long)SaxDbDfn_Core.GetColTextLen(SaxDbDfn_Core.ColumnIdx.Article_Headline), true))
			{
				errField.Headline = SacsHierarchyItem.ValidValue.Invalid;
				return false;
			}
			// Summary.
			if (errField.Summary != SacsHierarchyItem.ValidValue.Ignore && !IsValidValue(data.Summary, "summary", (long)SaxDbDfn_Core.GetColTextLen(SaxDbDfn_Core.ColumnIdx.Article_Summary), true))
			{
				errField.Summary = SacsHierarchyItem.ValidValue.Invalid;
				return false;
			}

			// Common properties.
			if (errField.Notes != SacsHierarchyItem.ValidValue.Ignore && !IsValidValue(data.Notes, "notes", (long)SaxDbDfn_Core.GetColTextLen(SaxDbDfn_Core.ColumnIdx.Article_Notes)))
			{
				errField.Notes = SacsHierarchyItem.ValidValue.Invalid;
				return false;
			}
			if (errField.Status != SacsHierarchyItem.ValidValue.Ignore)
			{
				if (!IsValidValue(data.StatusCode, "status", (long)SaxDbDfn_Core.GetColTextLen(SaxDbDfn_Core.ColumnIdx.Article_Status), true, true))
				{
					errField.Status = SacsHierarchyItem.ValidValue.Invalid;
					return false;
				}
				if (!SaxArticle.ValidStatuses.Contains(data.Status))
				{
					errField.Status = SacsHierarchyItem.ValidValue.Invalid;
					return SetErrorState(ErrorMessage.InvalidStatus);
				}
			}

			//---------------------------------------------------------------
			// Associated data - ignore for deleted items.
			if (!data.IsStatusDeleted)
			{

				// User Account - Author.
				if (errField.UserAccountIdAuthor != SacsHierarchyItem.ValidValue.Ignore && SysId.IsValid(data.UserAccountIdAuthor))
				{
					if (SysId.IsValid(data.OrganisationId))
					{
						// Validate user.
						if (!AccountMgr.UserAccountExistsById(data.UserAccountIdAuthor))
						{
							errField.UserAccountIdAuthor = SacsHierarchyItem.ValidValue.Invalid;
							return SetErrorState("Invalid Author specified");
						}
					}
					else
					{
						// Organisation not specified - user must be a journalist.
						SaxUserAccount.Params prmUserAccount = new SaxUserAccount.Params();
						prmUserAccount.IdsIncluded.Add(data.UserAccountIdAuthor);
						prmUserAccount.ActiveRoles.Add(App.Sax.UserRole.Journalist);
						prmUserAccount.StatusCat = SaxUserAccount.StatusCat.NotDeleted;
						if (AccountMgr.GetUserAccountCount(prmUserAccount) < 1)
						{
							errField.UserAccountIdAuthor = SacsHierarchyItem.ValidValue.Invalid;
							return SetErrorState("User must be active Journalist");
						}
					}
				}

				// Organisation.
				if (errField.OrganisationId != SacsHierarchyItem.ValidValue.Ignore && SysId.IsValid(data.OrganisationId))
				{
					// Validate organisation.
					if (!AccountMgr.OrganisationExistsById(data.OrganisationId))
					{
						errField.OrganisationId = SacsHierarchyItem.ValidValue.Invalid;
						return SetErrorState("Invalid Organisation specified");
					}
				}

				// Primary Sport.
				if (errField.SportIdPrimary != SacsHierarchyItem.ValidValue.Ignore && SysId.IsValid(data.SportIdPrimary))
				{
					SaxSport.Params prmSport = new SaxSport.Params();
					prmSport.IdsIncluded.Add(data.SportIdPrimary);
					prmSport.StatusCat = SaxSport.StatusCat.NotDeleted;
					if (ReferenceMgr.GetSportCount(prmSport) < 1)
					{
						errField.SportIdPrimary = SacsHierarchyItem.ValidValue.Invalid;
						return SetErrorState("Invalid sport specified");
					}
				}

				// Primary Region.
				if (errField.RegionIdPrimary != SacsHierarchyItem.ValidValue.Ignore && SysId.IsValid(data.RegionIdPrimary))
				{
					SaxRegion.Params prmRegion = new SaxRegion.Params();
					prmRegion.IdsIncluded.Add(data.RegionIdPrimary);
					prmRegion.StatusCat = SaxRegion.StatusCat.NotDeleted;
					if (ReferenceMgr.GetRegionCount(prmRegion) < 1)
					{
						errField.RegionIdPrimary = SacsHierarchyItem.ValidValue.Invalid;
						return SetErrorState("Invalid region specified");
					}
				}
			}

			//---------------------------------------------------------------
			return true;
		}

		//-------------------------------------------------------------------
		// Article database interface.
		public abstract bool InsertArticle(SaxArticle article, DbUpdateInfo dbUpdateInfo);
		public abstract bool UpdateArticle(SaxArticle article, DbUpdateInfo dbUpdateInfo);
		public virtual bool ArticleCanBeDeleted(SaxArticle article)
		{
			ClearErrorState();
			return true;
		}
		public abstract bool DeleteArticle(SaxArticle article, DbUpdateInfo dbUpdateInfo);

		//-------------------------------------------------------------------
		// Article list:
		public abstract ColumnDfn GetArticleColumnDfn(SaxArticle.Column columnId, String caption = "", int width = 0);
		public abstract List<String> GetArticleQueryFilter(SaxArticle.Params prmArticle);
		public abstract long GetArticleCount(SaxArticle.Params prmArticle);
		public abstract List<SaxArticle> GetArticleList(SaxArticle.Params prmArticle);
		public abstract DbResultSet ExecuteArticleQuery(List<ColumnDfn> columns, SaxArticle.Params prmArticle);

		//-------------------------------------------------------------------
		/// <summary>
		/// Extract and format result set data value where specific handling is required.
		/// <para>Where response is an invalid data value, format value using column.FormatValue(values).</para>
		/// </summary>
		public virtual DataValue GetArticleDataValue(ColumnDfn column, NamedValue.Map values)
		{
			DataValue value = new DataValue();
			switch ((SaxArticle.Column)column.Id)
			{
				//-----------------------------------------------------------
				// Author display name.
				case SaxArticle.Column.Author_DisplayName:
					{
						String userTitle = values.GetValue(GetArticleColumnDfn(SaxArticle.Column.Author_Title).DataName).ToString();
						String userFirstName = values.GetValue(GetArticleColumnDfn(SaxArticle.Column.Author_FirstName).DataName).ToString();
						String userLastName = values.GetValue(GetArticleColumnDfn(SaxArticle.Column.Author_LastName).DataName).ToString();
						value = new DataValue(SaxUserAccount.GetDisplayName(userTitle, userFirstName, userLastName));
					}
					break;

				//-----------------------------------------------------------
				// Summary - limit to 200 chars.
				case SaxArticle.Column.Summary:
					{
						value = new DataValue(SacsHierarchyItem.FormatForDisplay(values.GetValue(column.DataName).ToString(), 200));
					}
					break;

				//-----------------------------------------------------------
				// Notes - limit to 200 chars.
				case SaxArticle.Column.Notes:
					{
						value = new DataValue(SacsHierarchyItem.FormatForDisplay(values.GetValue(column.DataName).ToString(), 200));
					}
					break;

				//-----------------------------------------------------------
				// Status.
				case SaxArticle.Column.Status_Desc:
				case SaxArticle.Column.Status_Ind:
					{
						String statusCode = values.GetValue(column.DataName).ToString();
						SaStatus status = SacsSystem.GetStatusForCode(statusCode);
						if (column.Id == (int)SaxArticle.Column.Status_Desc)
							value = new DataValue(SacsSystem.GetStatusDesc(status));
						else if (column.Id == (int)SaxArticle.Column.Status_Ind)
							value = new DataValue(SaxArticle.GetStatusTriState(status));
					}
					break;

				//-----------------------------------------------------------
				default:
					value = values.GetValue(column.DataName);
					break;

			}
			return value;
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}