using System.Globalization;

using Abp;
using Abp.AspNetCore.Mvc.Controllers;
using Abp.AspNetCore.Mvc.Extensions;
using Abp.Extensions;
using Abp.Localization;
using Abp.Logging;
using Abp.Runtime.Session;
using Abp.Timing;
using Abp.Web.Models;

using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Localization;
using Microsoft.AspNetCore.Mvc;

using VberZero;

namespace VberAdmin.Controllers
{
    public class LocalizationController : AbpController
    {
        protected readonly Abp.Web.Http.IUrlHelper UrlHelper;

        public LocalizationController(Abp.Web.Http.IUrlHelper urlHelper)
        {
            UrlHelper = urlHelper;
        }

        public virtual ActionResult ChangeCulture(string cultureName, string returnUrl = "")
        {
            if (!IsValidCultureCode(cultureName))
                throw new AbpException("未知语言: " + cultureName + "。");
            string cookieValue = CookieRequestCultureProvider.MakeCookieValue(new RequestCulture(cultureName, cultureName));
            Response.Cookies.Append(VzConsts.LocalizationCookieName, cookieValue, new CookieOptions()
            {
                Expires = Clock.Now.AddYears(2),
                HttpOnly = true
            });
            //Response.Cookies.Append(CookieRequestCultureProvider.DefaultCookieName, cookieValue, new CookieOptions()
            //{
            //    Expires = Clock.Now.AddYears(2),
            //    HttpOnly = true
            //});
            if (AbpSession.UserId.HasValue)
                SettingManager.ChangeSettingForUser(AbpSession.ToUserIdentifier(), LocalizationSettingNames.DefaultLanguage, cultureName);
            if (Request.IsAjaxRequest())
                return Json(new AjaxResponse());
            if (!string.IsNullOrWhiteSpace(returnUrl))
            {
                string stringToUnEscape = UrlHelper.LocalPathAndQuery(Uri.EscapeDataString(returnUrl), Request.Host.Host,
                    Request.Host.Port);
                if (!string.IsNullOrWhiteSpace(stringToUnEscape))
                {
                    string str2 = Uri.UnescapeDataString(stringToUnEscape);
                    if (Url.IsLocalUrl(str2))
                        return LocalRedirect(str2);
                }
            }
            return LocalRedirect("/");
        }

        public bool IsValidCultureCode(string cultureCode)
        {
            if (cultureCode.IsNullOrWhiteSpace())
                return false;
            try
            {
                var cultureInfo = CultureInfo.GetCultureInfo(cultureCode);
                return cultureInfo != null;
            }
            catch (CultureNotFoundException ex)
            {
                LogHelper.LogException(ex);
                return false;
            }
        }
    }
}