using System;

using System.Linq;

using System.Web.Mvc;

using Nop.Admin.Models.Forums;

using Nop.Services.Forums;

using Nop.Services.Helpers;

using Nop.Services.Localization;

using Nop.Web.Framework.Controllers;

using Nop.Services.Security;



namespace Nop.Admin.Controllers

{

    [AdminAuthorize]

    public class ForumController : BaseNopController

    {

        private readonly IForumService _forumService;

        private readonly IDateTimeHelper _dateTimeHelper;

        private readonly ILocalizationService _localizationService;

        private readonly IPermissionService _permissionService;



        public ForumController(IForumService forumService,

            IDateTimeHelper dateTimeHelper, ILocalizationService localizationService,

            IPermissionService permissionService)

        {

            this._forumService = forumService;

            this._dateTimeHelper = dateTimeHelper;

            this._localizationService = localizationService;

            this._permissionService = permissionService;

        }



        #region List



        public ActionResult Index()

        {

            return RedirectToAction("List");

        }



        public ActionResult List()

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            var forumGroupsModel = _forumService.GetAllForumGroups()

                .Select(fg =>

                {

                    var forumGroupModel = fg.ToModel();

                    forumGroupModel.CreatedOn = _dateTimeHelper.ConvertToUserTime(fg.CreatedOnUtc, DateTimeKind.Utc);

                    foreach (var f in fg.Forums.OrderBy(x=>x.DisplayOrder))

                    {

                        var forumModel = f.ToModel();

                        forumModel.CreatedOn = _dateTimeHelper.ConvertToUserTime(f.CreatedOnUtc, DateTimeKind.Utc);

                        forumGroupModel.ForumModels.Add(forumModel);

                    }

                    return forumGroupModel;

                })

                .ToList();

            return View(forumGroupsModel);

        }



        #endregion



        #region Create



        public ActionResult CreateForumGroup()

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            return View(new ForumGroupModel { DisplayOrder = 1 });

        }



        [HttpPost, FormValueExists("save", "save-continue", "continueEditing")]

        public ActionResult CreateForumGroup(ForumGroupModel model, bool continueEditing)

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            if (ModelState.IsValid)

            {

                var forumGroup = model.ToEntity();

                forumGroup.CreatedOnUtc = DateTime.UtcNow;

                forumGroup.UpdatedOnUtc = DateTime.UtcNow;

                _forumService.InsertForumGroup(forumGroup);



                SuccessNotification(_localizationService.GetResource("Admin.ContentManagement.Forums.ForumGroup.Added"));

                return continueEditing ? RedirectToAction("EditForumGroup", new { forumGroup.Id }) : RedirectToAction("List");

            }



            //If we got this far, something failed, redisplay form

            return View(model);

        }



        public ActionResult CreateForum()

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            var model = new ForumModel();

            model.ForumGroups = _forumService.GetAllForumGroups().ToList();

            model.DisplayOrder = 1;

            return View(model);

        }



        [HttpPost, FormValueExists("save", "save-continue", "continueEditing")]

        public ActionResult CreateForum(ForumModel model, bool continueEditing)

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            if (ModelState.IsValid)

            {

                var forum = model.ToEntity();

                forum.CreatedOnUtc = DateTime.UtcNow;

                forum.UpdatedOnUtc = DateTime.UtcNow;

                _forumService.InsertForum(forum);



                SuccessNotification(_localizationService.GetResource("Admin.ContentManagement.Forums.Forum.Added"));

                return continueEditing ? RedirectToAction("EditForum", new { forum.Id }) : RedirectToAction("List");

            }



            //If we got this far, something failed, redisplay form

            model.ForumGroups = _forumService.GetAllForumGroups().ToList();

            return View(model);

        }



        #endregion



        #region Edit



        public ActionResult EditForumGroup(int id)

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            var forumGroup = _forumService.GetForumGroupById(id);

            if (forumGroup == null) 

                throw new ArgumentException("No Forum Group found with the specified id", "id");

            var model = forumGroup.ToModel();

            return View(model);

        }



        [HttpPost, FormValueExists("save", "save-continue", "continueEditing")]

        public ActionResult EditForumGroup(ForumGroupModel model, bool continueEditing)

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            var forumGroup = _forumService.GetForumGroupById(model.Id);



            if (ModelState.IsValid)

            {

                forumGroup = model.ToEntity(forumGroup);

                forumGroup.UpdatedOnUtc = DateTime.UtcNow;

                _forumService.UpdateForumGroup(forumGroup);



                SuccessNotification(_localizationService.GetResource("Admin.ContentManagement.Forums.ForumGroup.Updated"));

                return continueEditing ? RedirectToAction("EditForumGroup", forumGroup.Id) : RedirectToAction("List");

            }



            //If we got this far, something failed, redisplay form

            return View(model);

        }



        public ActionResult EditForum(int id)

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            var forum = _forumService.GetForumById(id);

            if (forum == null) 

                throw new ArgumentException("No Forum found with the specified id", "id");

            var model = forum.ToModel();

            model.ForumGroups = _forumService.GetAllForumGroups().ToList();

            return View(model);

        }



        [HttpPost, FormValueExists("save", "save-continue", "continueEditing")]

        public ActionResult EditForum(ForumModel model, bool continueEditing)

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            var forum = _forumService.GetForumById(model.Id);

            if (ModelState.IsValid)

            {

                forum = model.ToEntity(forum);

                forum.UpdatedOnUtc = DateTime.UtcNow;

                _forumService.UpdateForum(forum);



                SuccessNotification(_localizationService.GetResource("Admin.ContentManagement.Forums.Forum.Updated"));

                return continueEditing ? RedirectToAction("EditForum", forum.Id) : RedirectToAction("List");

            }



            //If we got this far, something failed, redisplay form

            model.ForumGroups = _forumService.GetAllForumGroups().ToList();

            return View(model);

        }



        #endregion



        #region Delete



        [HttpPost]

        public ActionResult DeleteForumGroup(int id)

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            var forumGroup = _forumService.GetForumGroupById(id);

            _forumService.DeleteForumGroup(forumGroup);



            SuccessNotification(_localizationService.GetResource("Admin.ContentManagement.Forums.ForumGroup.Deleted"));

            return RedirectToAction("List");

        }



        [HttpPost]

        public ActionResult DeleteForum(int id)

        {

            if (!_permissionService.Authorize(StandardPermissionProvider.ManageForums))

                return AccessDeniedView();



            var forum = _forumService.GetForumById(id);

            _forumService.DeleteForum(forum);



            SuccessNotification(_localizationService.GetResource("Admin.ContentManagement.Forums.Forum.Deleted"));

            return RedirectToAction("List");

        }



        #endregion

    }

}