using System.Threading.Tasks;
using AutoMapper;
using gehGassi.Core.Interfaces;
using gehGassi.Core.Services;
using gehGassi.Permissions;
using gehGassi.Web.Auth;
using gehGassi.Web.Auth.Attributes;
using gehGassi.Web.Helper;
using gehGassi.Web.Models;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Localization;

namespace gehGassi.Web.Controllers
{
    /// <summary>
    /// Controller für die Verwaltung der Shop-Einstellungen
    /// </summary>
    public class ShopSettingsController : BaseController
    {
        private readonly IMapper _mapper;
        private readonly IStringLocalizer<ShopSettingsController> _localizer;
        private readonly IShopSettingsService _shopSettingsService;

        /// <summary>
        /// Erstellt eine Instanz
        /// </summary>
        /// <param name="mapper">Instanz eines IMapper</param>
        /// <param name="localizer">Instanz eines IStringLocalizer</param>
        /// <param name="shopSettingsService">Instanz eines IShipmentCostService</param>
        public ShopSettingsController(IMapper mapper, IStringLocalizer<ShopSettingsController> localizer, IShopSettingsService shopSettingsService)
        {
            _mapper = mapper;
            _localizer = localizer;
            _shopSettingsService = shopSettingsService;
        }


        /// <summary>
        /// Gibt einen View für die Verwaltung von Shopeinstellungen zurück
        /// </summary>
        /// <returns>View</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsShop)]
        public IActionResult Index()
        {
            return View();
        }

        /// <summary>
        /// Bearbeiten der Shop-Einstellungen
        /// </summary>
        /// <returns>PartialView</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsShop)]
        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public async Task<IActionResult> Edit()
        {
            var item = await _shopSettingsService.GetAsync();
            if (item != null)
            {
                var model = _mapper.Map<ShopSettingsVm>(item);

                return PartialView("_Edit", model);
            }
            return PartialView("_Error");
        }

        /// <summary>
        /// Bearbeiten der Shop-Einstellungen
        /// </summary>
        /// <param name="model">Model</param>
        /// <returns>Json</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.CustomersManage, Permission.SettingsShop)]
        [ValidateAntiForgeryToken]
        [HttpPost]
        public async Task<IActionResult> Edit(ShopSettingsVm model)
        {
            var result = new ResponseVm { Success = false };

            if (ModelState.IsValid)
            {
                var item = await _shopSettingsService.GetAsync();
                if (item != null)
                {
                    _mapper.Map(model, item);

                    await _shopSettingsService.CommitAsync(User.Identity.Name);

                    result.Data = item.ToCamelCaseJson();
                    result.Success = true;
                    result.Html = string.Empty;
                    return Json(new { result.Success, result.Html, result.Data });
                }
            }

            result.Html = await PartialView("_Edit", model).ToStringAsync(ControllerContext);
            return Json(result);
        }
    }
}