using Microsoft.AspNetCore.Http;
using Sarand.Net.Standard.Base.App;
using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Utils;
using Saxonite.Base.App;
using Saxonite.Net.Core.Web.Base.App;
using Saxonite.Net.Core.Web.Base.Controllers;
using Saxonite.Net.Standard.Base.App;
using Saxonite.Net.Standard.Base.Bus;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Saxonite.Net.Core.Web.Online.Models
{
	//=======================================================================
	public class Model_Article : SaxModel_Online
	{
		//-------------------------------------------------------------------
		// Construction.
		public Model_Article(SaxLocaliser localiser) :
			base(localiser)
		{
			AdditionalFiles_CSS.Add("css/sax-art.css");
			AdditionalFiles_JS.Add("js/sax-art.js");
		}

		//-------------------------------------------------------------------
		// List configuration.
		public class FilterData
		{
			public String OrganisationId { get; set; }
			public String OrganisationCaption { get; set; }
			public String Article { get; set; }
		}
		public FilterData Filter { get; } = new FilterData();
		/// <summary>
		/// User has rights to author articles for at least one organisation.
		/// <para>- Output only - not returned with form data.</para>
		/// <para>- Only populated for initial page construction.</para>
		/// </summary>
		public bool UserCanAuthorOrganisationArticles { get; set; }
		/// <summary>
		/// User has rights to author articles as a journalist.
		/// <para>- Output only - not returned with form data.</para>
		/// <para>- Only populated for initial page construction.</para>
		/// </summary>
		public bool UserCanAuthorJournalistArticles { get; set; }

		//-------------------------------------------------------------------
		// Article properties.
		public String ArticleId { get; set; }
		public String ArticleExists { get; set; }
		// Organisation.
		public String ArticleOrganisationId { get; set; }
		// Sport.
		public String ArticleSportId { get; set; }
		public String ArticleSportCaption { get; set; }
		// Region.
		public String ArticleRegionId { get; set; }
		public String ArticleRegionCaption { get; }
		// Article Content.
		public String ArticleHeadline { get; set; }
		public String ArticleSummary { get; set; }
		public String ArticleStatusCode { get; set; }
		public SaStatus ArticleStatus { get { return SacsSystem.GetStatusForCode(ArticleStatusCode); } }
		// Article content.
		public List<String> ArticleContentSegmentBodies { get; set; }
		public List<String> ArticleContentSegmentItemImageIds { get; set; }
		public List<String> ArticleContentSegmentImageIdxs { get; set; }
		// Article images.
		public List<IFormFile> ArticleImage { get; set; }
		// Article publication.
		public String ArticlePublished { get; set; }
		public bool ArticlePublish { get; set; }
		public String ArticlePublishOn { get; set; }
		public DateTime GetArticlePublishOn()
		{
			return ParseDateFromForm(ArticlePublishOn);
		}
		public String ArticleExpiresAfterDays { get; set; }

		//-------------------------------------------------------------------
		// Validation.
		//-------------------------------------------------------------------
		// Article.
		public bool ValidateArticleData(SaxController_Base.AjaxResponse_Data responseData)
		{
			// Article headline.
			if (ArticleHeadline != null)
			{
				responseData.SetControlValue(nameof(ArticleHeadline), ArticleHeadline);
				if (StringUtil.IsEmpty(ArticleHeadline))
					responseData.SetControlError(nameof(ArticleHeadline), Localiser["msg.validation.mandatory.value"]);
				else if (StringUtil.GetLength(ArticleHeadline) > GetControlMaxLength(SaxDbDfn_Core.ColumnIdx.Article_Headline))
					responseData.SetControlError(nameof(ArticleHeadline), Localiser["msg.validation.maximum.length", GetControlMaxLength(SaxDbDfn_Core.ColumnIdx.Article_Headline)]);
			}

			// Article summary.
			if (ArticleSummary != null)
			{
				responseData.SetControlValue(nameof(ArticleSummary), ArticleSummary);
				if (StringUtil.IsEmpty(ArticleSummary))
					responseData.SetControlError(nameof(ArticleSummary), Localiser["msg.validation.mandatory.value"]);
				else if (StringUtil.GetLength(ArticleSummary) > GetControlMaxLength(SaxDbDfn_Core.ColumnIdx.Article_Summary))
					responseData.SetControlError(nameof(ArticleSummary), Localiser["msg.validation.maximum.length", GetControlMaxLength(SaxDbDfn_Core.ColumnIdx.Article_Summary)]);
			}

			// Article sport.
			if (ArticleSportId != null)
			{
				SysId articleSportId = ExtractSysId(ArticleSportId);
				if (!SysId.IsValid(articleSportId))
					responseData.SetControlError(nameof(ArticleSportId), Localiser["msg.validation.mandatory.value"]);
			}

			// Article region.
			if (ArticleRegionId != null)
			{
				SysId articleRegionId = ExtractSysId(ArticleRegionId);
				if (!SysId.IsValid(articleRegionId))
					responseData.SetControlError(nameof(ArticleRegionId), Localiser["msg.validation.mandatory.value"]);
			}

			// Article publication.
			// Only relevant when the article hasn't yet been published and user has selected 'Publish'.
			if (!ArticlePublished.ToBool() && ArticlePublish)
			{
				String controlName = "ArticlePublication";
				DateTime publishedOn = GetArticlePublishOn();
				if (StringUtil.IsEmpty(ArticlePublishOn))
					responseData.SetControlError(controlName, Localiser["msg.validation.mandatory.value"]);
				else if (!DateUtil.IsValid(publishedOn))
					responseData.SetControlError(controlName, Localiser["msg.validation.invalid.value"]);
				else if (publishedOn.CompareTo(DateUtil.IncrementDate(DateTime.Today, Sax.Config.Articles.PublishMaxDaysAhead)) > 0)
					responseData.SetControlError(controlName, Localiser["msg.validation.invalid.value"]);
			}

			// Article status.
			if (ArticleStatusCode != null)
			{
				if (StringUtil.IsEmpty(ArticleStatusCode))
					responseData.SetControlError(nameof(ArticleStatusCode), Localiser["msg.validation.mandatory.value"]);
				else if (!SaxArticle.ValidStatuses.Contains(ArticleStatus))
					responseData.SetControlError(nameof(ArticleStatusCode), Localiser["msg.validation.invalid.value"]);
			}

			return !responseData.HasControlErrors();
		}

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