using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Sarand.BusinessMgr.Net.Core.Web.App;
using Sarand.BusinessMgr.Net.Core.Web.Portal.Models;
using Sarand.BusinessMgr.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.App;
using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Security;
using Sarand.Net.Standard.Base.Utils;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;

namespace Sarand.BusinessMgr.Net.Core.Web.Portal.Controllers
{
	//=======================================================================
	public class HomeController : SbmController_Portal
	{
		//-------------------------------------------------------------------
		// Data members.

		//-------------------------------------------------------------------
		// Construction.
		public HomeController(SbmLocaliser localiser, ILogger<HomeController> logger) :
			base(localiser, logger)
		{
		}

		//-------------------------------------------------------------------
		[HttpGet]
		public IActionResult Index()
		{
			String fn = GetType().Name + ".Index";

			// Check for 'Keep Logged In' cookie.
			// NB Only allowed if there isn't a current user session.
			if (!ValidUserSession && SessionConfig.Security.SignIn.KeepLoggedIn.Allowed)
			{
				String encryptedParams = GetRequestCookie(CookieName_KeepLoggedIn);
				KeepLoggedInParams keepLoggedInParams = ExtractKeepLoggedInParams(encryptedParams);
				String logSuffix = keepLoggedInParams.GetValidParams().Concat("", " ", ".");

				if (SysId.IsValid(keepLoggedInParams.SecurityItemId) && SysId.IsValid(keepLoggedInParams.AffiliateId))
				{
					SaSecurityItem securityItemUser = SecurityConsole.GetSecurityItemById(SaSecurity.ItemType.User, keepLoggedInParams.SecurityItemId);
					if (securityItemUser != null)
					{
						SbmAffiliate userAccount = AccountMgr.GetAffiliateById(keepLoggedInParams.AffiliateId);
						if (userAccount != null)
						{
							if (userAccount.IsStatusActive)
							{
								String errorMessage = "";
								if (SignUserIn(securityItemUser, userAccount, true, ref errorMessage))
									SaLogger.Info(fn + " Keep Logged In cookie found." + logSuffix);
								else SaLogger.Warn(fn + " Keep Logged In cookie found but failed to sign user in: " + errorMessage + "." + logSuffix);
							}
							else SaLogger.Warn(fn + " Keep Logged In cookie found but Affiliate is not active." + logSuffix);
						}
						else SaLogger.Warn(fn + " Keep Logged In cookie found but Affiliate not found." + logSuffix);
					}
					else SaLogger.Warn(fn + " Keep Logged In cookie found but Security Item not found." + logSuffix);
				}
				else SaLogger.Warn(fn + " Keep Logged In cookie found but Security Item or Affiliate Ids missing." + logSuffix);
			}

			// Redirect to sign-in if not signed-in.
			if (!ValidUserSession)
			{
				ClearKeepLoggedInCookie();
				return RedirectToAction("", "Security");
			}

			// Home page.
			Model_Home model = new Model_Home(Localiser);
			model.ProhibitCache = false;
			return View(model);
		}

		//-------------------------------------------------------------------
		[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
		public IActionResult Error()
		{
			return View(new ErrorViewModel(Localiser) { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
		}

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