using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Security.Authentication;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using Tango.BL;
using Tango.MachineService.Models;
using Tango.Web.ActiveDirectory;
using Tango.Web.Helpers;

namespace Tango.MachineService.Controllers
{
    public class AccountController : Controller
    {
        private ActiveDirectoryManager _ad_manager;

        public AccountController()
        {
            _ad_manager = new ActiveDirectoryManager();
        }

        public ActionResult Login()
        {
            if (HttpContext.User.Identity.IsAuthenticated)
            {
                return RedirectToAction("Index", "Downloads", null);
            }

            return View();
        }

        [HttpPost]
        public ActionResult Login(AccountLogin request)
        {
            var authResult = _ad_manager.ValidateUserCredentials(request.Email, request.Password);

            if (!_ad_manager.CanUserAccessCurrentEnvironment(request.Email))
            {
                throw new AuthenticationException($"You do not have permissions to access the {MachineServiceConfig.DEPLOYMENT_SLOT.ToDescription()} environment.");
            }


            FormsAuthentication.SetAuthCookie(request.Email, true);
            return new HttpStatusCodeResult(HttpStatusCode.OK);
        }

        [Authorize]
        public ActionResult Logout()
        {
            FormsAuthentication.SignOut();
            return Login();
        }
    }
}