using GreenTree.Nachtragsmanagement.Core.Authentication;
using GreenTree.Nachtragsmanagement.Services.User;
using GreenTree.Nachtragsmanagement.Web.Models.Global;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace GreenTree.Nachtragsmanagement.Web.Controllers
{
    public class GlobalController : Controller
    {
        private readonly IUserHelper _userHelper;
        private readonly IUserService _userService;

        public GlobalController(
            IUserHelper userHelper,
            IUserService userService)
        {
            _userHelper = userHelper;
            _userService = userService;
        }

        /// <summary>
        /// Represents the global Footer
        /// </summary>
        public ActionResult Footer()
        {
            var cookieUser = _userHelper.FromCookies();

            if (cookieUser == null)
                return View("~/Views/Shared/_Footer.cshtml", null);

            var dbUser = _userService.GetUserById(cookieUser.Id);

            if (dbUser == null)
                return View("~/Views/Shared/_Footer.cshtml", null);

            var footerModel = new FooterModel
            {
                CustomNumber = dbUser.CustomNumber,
                Forename = dbUser.Forename,
                Lastname = dbUser.Lastname,
                RoleDescription = dbUser.CurrentRole.Description
            };

            ViewData["Roles"] =
                dbUser.Roles
                    .Select(r => new
                    {
                        r.Id,
                        r.Description
                    });

            return View("~/Views/Shared/_Footer.cshtml", footerModel);
        }

        /// <summary>
        /// Sets the current role of the logged in user and redirects to the home page
        /// </summary>
        /// <param name="roleId">The id of the new role.</param>
        public ActionResult SetRole(int roleId)
        {
            var user = _userHelper.FromCookies();
            var role = _userService.GetRoleById(roleId);

            user.CurrentRole = role;

            _userHelper.ToCookies(user);

            return RedirectToAction("Index", "Home");
        }

        /// <summary>
        /// Shows an unauthorized message
        /// </summary>
        public ActionResult NotAuthorized()
        {
            return View("~/Views/Global/NotAuthorized.cshtml");
        }
    }
}