using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
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.Net.Core.Web.Admin.Models;
using Saxonite.Net.Core.Web.Base.App;
using Saxonite.Net.Core.Web.Base.Controllers;
using Saxonite.Net.Standard.Base.Bus;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;

namespace Saxonite.Net.Core.Web.Admin.Controllers
{
	//=======================================================================
	public partial class HomeController : SaxController_Admin
	{
		//-------------------------------------------------------------------
		// Construction.
		public HomeController(SaxLocaliser localiser, ILogger<HomeController> logger) :
			base(localiser, logger)
		{
		}

		//-------------------------------------------------------------------
		/// <summary>
		/// 
		/// </summary>
		/// <returns></returns>
		[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 && AppConfig.Security.SignIn.KeepLoggedIn.Allowed)
			{
				String encryptedParams = GetRequestCookie(KeepLoggedIn.CookieName);
				KeepLoggedInParams keepLoggedInParams = ExtractKeepLoggedInParams(encryptedParams);
				String logSuffix = keepLoggedInParams.GetValidParams().Concat("", " ", ".");
				if (SysId.IsValid(keepLoggedInParams.UserAccountId))
				{
					SaxUserAccount userAccount = AccountMgr.GetUserAccountById(keepLoggedInParams.UserAccountId);
					if (userAccount != null)
					{
						if (userAccount.IsStatusActive)
						{
							String errorMessage = "";
							if (SignUserIn(userAccount, AccountMgr.GetRolesForUser(userAccount.Id), 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 UserAccount is not active." + logSuffix);
					}
					else SaLogger.Warn(fn + " Keep Logged In cookie found but UserAccount not found." + 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 });
		}

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