using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Saxonite.Net.Core.Web.Online.Models;
using Saxonite.Net.Core.Web.Base.App;
using Saxonite.Net.Core.Web.Base.Controllers;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Saxonite.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.App;
using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Utils;
using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Dbas;
using Saxonite.Net.Standard.Base.App;
using MailKit;
using Org.BouncyCastle.Asn1.Mozilla;
using Microsoft.Extensions.Primitives;
using Saxonite.Net.Standard.Base.Data;

namespace Saxonite.Net.Core.Web.Online.Controllers
{
	//=======================================================================
	// Online Ajax Controller - User Config.
	//=======================================================================
	partial class AccountController
	{
		//-------------------------------------------------------------------
		// Data definitions.

		//-------------------------------------------------------------------
		// Update User Config.
		//-------------------------------------------------------------------
		private class AjaxResponse_UserConfigData : AjaxResponse_Data
		{
			// Construction.
			public AjaxResponse_UserConfigData(SaxModel_Online model) : base(model) { }
		}
		// Ajax request.
		[HttpPost]
		[Route("UserConfig/Ajax/Update")]
		public IActionResult UpdateUserConfig(SaxModel_Online model)
		{
			String fn = GetType().Name + ".UpdateUserConfig";
			AjaxResponse_UserConfigData responseData = new AjaxResponse_UserConfigData(model);
			String messageTitle = Localiser["caption.user.config"];

			// Validate session and referrer.
			if (!ValidReferer) return Forbid();
			if (!ValidUserSession) return GetAjaxResult_InvalidSession(responseData);
			RefreshModel(model);

			// Record disposable items as they are created so all can be disposed when needed.
			using (DisposableCollection<SacsHierarchyItem> disposableItems = new DisposableCollection<SacsHierarchyItem>())
			{
				// Retrieve User Config.
				Dictionary<Sax.UserConfigType, SaxUserConfig> userConfigs = new Dictionary<Sax.UserConfigType, SaxUserConfig>();

				// Update user's configuration.
				foreach (String key in Request.Form.Keys)
				{
					StringValues formValue = "";
					Request.Form.TryGetValue(key, out formValue);
					SaLogger.Debug(fn + " Form data. Key: " + key + ". Value: " + formValue);
					if (key.EqualsCI("HideProfileEligibilityInfo"))
					{
						SaxUserConfig userConfig = RefreshUserConfig(Sax.UserConfigType.Online_Profile, userConfigs);
						if (userConfig != null)
						{
							disposableItems.Add(userConfig);
							SessionData_Online.UserConfig.Profile.Eligibility.HideInfo = StringUtil.ToBool(formValue);
							userConfig.ConfigData = SaxConfigData.ProfileData.ToXml(SessionData_Online.UserConfig.Profile);
						}
					}
				}

				// Store configuration.
				foreach (SaxUserConfig userConfig in userConfigs.Values)
				{
					if (!SysId.IsValid(userConfig.Id))
					{
						// Add new configuration.
						if (!AccountMgr.InsertUserConfig(userConfig, DbUpdateInfo))
							SaLogger.Warn(fn + " Failed to insert User Config: " + AccountMgr.ErrorStateMessage);
					}
					else
					{
						// Update existing configuration.
						if (!AccountMgr.UpdateUserConfig(userConfig, DbUpdateInfo))
							SaLogger.Warn(fn + " Failed to update User Config: " + AccountMgr.ErrorStateMessage);
					}
				}
			}

			// Complete response.
			responseData.Success = true;
			return Json(responseData);
		}

		//-------------------------------------------------------------------
		/// <summary>
		/// Retrieve the corresponding User Config if previously stored, otherwise create.
		/// </summary>
		private SaxUserConfig RefreshUserConfig(Sax.UserConfigType configType, Dictionary<Sax.UserConfigType, SaxUserConfig> userConfigs)
		{
			// Check if Config is already in cache.
			if (userConfigs.ContainsKey(configType)) return userConfigs.GetValueOrDefault(configType, null);
			// Retrieve user config.
			SaxUserConfig userConfig = AccountMgr.GetUserConfig(SessionUserAccountId, configType);
			if (userConfig == null)
			{
				// Configuration doesn't currently exist.
				userConfig = AccountMgr.CreateUserConfig(SessionUserAccountId, configType);
			}
			else
			{
				// User Configuration already exists.
				// Refresh configuration in case updated elsewhere.
				switch (configType)
				{
					case Sax.UserConfigType.Online_Profile:
						SessionData_Online.UserConfig.Profile = SaxConfigData.ProfileData.FromXml(userConfig.ConfigData);
						break;
				}
			}
			userConfigs.Add(userConfig.ConfigType, userConfig);
			return userConfig;
		}

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